CN110405007B - Flexible bending machine based on servo drive - Google Patents
Flexible bending machine based on servo drive Download PDFInfo
- Publication number
- CN110405007B CN110405007B CN201910782203.3A CN201910782203A CN110405007B CN 110405007 B CN110405007 B CN 110405007B CN 201910782203 A CN201910782203 A CN 201910782203A CN 110405007 B CN110405007 B CN 110405007B
- Authority
- CN
- China
- Prior art keywords
- upper beam
- block
- servo
- ball screw
- side support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005452 bending Methods 0.000 title claims abstract description 42
- 238000009434 installation Methods 0.000 claims abstract description 18
- 239000003638 chemical reducing agent Substances 0.000 claims description 35
- 230000033001 locomotion Effects 0.000 claims description 27
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 239000000725 suspension Substances 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a flexible bending machine based on servo drive, which comprises an upper beam total assembly structure (1), a lower beam total assembly structure (2), a frame total assembly structure (3), an external frame total assembly structure (4), an electric cabinet (5), a workbench (6), a clamping block (7) and a rear baffle material total assembly structure (8); the two ends of the upper beam (11) are symmetrically provided with a first flexible connecting component and a second flexible connecting component; the frame assembly structure (3) comprises a first side plate (31), a second side plate (335), a side support arm moving assembly, a lower beam installation moving assembly, an upper beam moving assembly and a servo driving assembly; according to the invention, the upper beam is driven to move up and down by the servo motor driving side support arm to realize folded plate operation, so that a throat is not required to be arranged, the problem of limited processing size is avoided, the processing precision is improved, and the power consumption and pollution are reduced.
Description
Technical Field
The invention relates to a bending machine, in particular to a flexible bending machine based on servo drive.
Background
The bending machine is a processing machine for bending metal plates. The traditional bending machine drives the upper beam to move up and down to fold plates through the hydraulic oil cylinder, and the frame structure of the traditional bending machine is approximately the same: basically consists of an upper beam, a lower beam, a left side plate and a right side plate which are directly connected with each other. The bending machine in the prior art has the following defects:
1. because the curb plate connection hydro-cylinder and underbeam of prior art's bender, it is unavoidable that traditional bender need design a throat on the curb plate, makes the panel of bending length stretch into the throat and just can bend, therefore, the panel size that can process is restricted to the degree of depth equidimension of throat.
2. Because the driving mode in the prior art is hydraulic cylinder driving, the machining precision is not high, and meanwhile, the hydraulic system needs frequent maintenance, and the problems of hydraulic oil pollution and the like can also exist; the hydraulic system is controlled by the alternating current motor and the valve group, and the alternating current motor must be kept in a starting-up running state all the time, so that the power consumption is high and the running cost is high.
3. Because the component connection mode in the prior art is rigid connection, adjustment cannot be performed, the requirement on the installation precision of the component is high, and when the moving components on the left side and the right side are asynchronous in operation, the frame and the processing materials are possibly damaged.
Disclosure of Invention
The invention aims to provide a flexible bending machine based on servo drive, which drives an upper beam to move up and down through a servo motor driving side support arm to realize folded plate operation, so that a throat is not required to be arranged, the problem of limited processing size is avoided, the processing precision is improved, and the power consumption and pollution are reduced.
The invention is realized in the following way:
A flexible bending machine based on servo drive comprises an upper beam total assembly structure, a lower beam total assembly structure, a frame total assembly structure, an external frame total assembly structure, an electric cabinet box, a workbench, a clamping block and a rear baffle material total assembly structure; the upper beam assembly structure and the lower beam assembly structure are both arranged on the frame assembly structure and move up and down, the frame assembly structure is arranged on the external frame assembly structure, the workbench is arranged on the lower beam of the lower beam assembly structure, the clamping blocks are arranged on the upper beam of the upper beam assembly structure, and the electric cabinet box and the rear baffle material assembly structure are both arranged on the frame assembly structure;
The two ends of the upper beam are symmetrically provided with a first flexible connecting component and a second flexible connecting component; the frame assembly structure comprises a first side plate, a second side plate, a side support arm moving assembly, a lower beam installation moving assembly, an upper beam moving assembly and a servo driving assembly; the first side plate and the second side plate are connected through a frame connecting square tube, the first side plate and the second side plate are respectively provided with a side support arm through a side support arm moving assembly, and the side support arms move up and down through the side support arm moving assembly; the lower beam is arranged between a pair of side support arms through a lower beam installation movement assembly and moves up and down; the upper beam is connected between the two side support arms through the first flexible connecting component and the second flexible connecting component, so that the upper beam can rotate relative to the side support arms through the first flexible connecting component and the second flexible connecting component; and the servo driving assembly drives the upper beam moving assembly to drive the side support arms and the upper beam to move up and down.
The servo driving assembly comprises a motor screw rod connecting base, a first tensioning sleeve, a synchronous belt, a brake, a reducer fixing plate reinforcing rib, a reducer fixing plate, a second tensioning sleeve, a driving wheel, a reducer and a servo motor; the speed reducer is arranged on the motor screw rod connecting base through a speed reducer fixing plate, the second tensioning sleeve is connected with the speed reducer and the driving wheel, the servo motor is arranged on the speed reducer, the synchronous belt is arranged in the motor screw rod connecting base, and the synchronous belt is connected with the driven wheel and the driving wheel; the first tensioning sleeve is connected with the ball screw and the driven wheel of the upper beam moving assembly; the brake is fixed on the reinforcing rib of the fixed plate of the speed reducer through the brake installation assembly and is coaxially connected with the ball screw of the upper beam movement assembly, and the reinforcing rib of the fixed plate of the speed reducer is connected with the motor screw to be connected with the base and the first side plate.
The brake mounting assembly comprises a brake sleeve, a second bearing and a brake fixing piece, wherein the brake is fixed on the brake fixing piece through the brake sleeve, and the brake fixing piece is fixed on the reinforcing rib of the speed reducer fixing plate; the second bearing is arranged on the brake sleeve and is coaxially connected with the ball screw of the upper beam moving assembly; an upper backing ring is arranged at the top of the brake, a lower backing ring is arranged at the bottom of the brake, and the lower backing ring is arranged on a ball screw of the upper beam moving assembly.
The motor screw rod is connected with the base, a bearing groove is formed in the motor screw rod, the motor screw rod is matched with the motor screw rod, a first bearing is arranged on the motor screw rod, a lower bearing clamping seat is arranged at the top of the first bearing, and a ball screw rod of the upper beam moving assembly is inserted into the motor screw rod connecting base through the first bearing.
The upper beam movement assembly comprises an upper bearing seat, a cylindrical roller bearing, a ball screw, a lock nut, a ball screw nut and a nut support arm connecting block; the cylindrical roller bearing is arranged in the upper bearing seat, the lock nut is arranged on the cylindrical roller bearing, the upper end of the ball screw is coaxially connected with the cylindrical roller bearing, and the lower end of the ball screw is inserted into the motor screw connecting base and is connected with the first tensioning sleeve, so that the first tensioning sleeve can drive the ball screw to rotate; the ball screw nut is coaxially screwed on the ball screw, and the ball screw nut is fixed on the side support arm through the nut support arm connecting block, so that the ball screw rotates to drive the ball screw nut to move up and down along the axial direction of the ball screw, and drive the side support arm to move up and down, and the up and down movement of the upper beam is realized.
The upper bearing seat is provided with an upper limiting block, the lower bearing clamping seat is provided with a lower limiting ring, and the ball screw nut moves up and down between the upper limiting block and the lower limiting ring.
The first flexible connecting assembly comprises an upper beam fixing pin and a first screw, the bottom of the upper beam is connected with the side support arm through the first screw by the upper beam fixing pin, the upper beam fixing pin is of a cylindrical structure, and the axial direction of the upper beam fixing pin is perpendicular to the plane of the upper beam, so that the upper beam can rotate through the upper beam fixing pin.
The second flexible connecting assembly comprises an upper beam balance base, a second screw, an upper beam balance suspension block, a spring gasket, a first upper beam balance moving block, a second upper beam balance fixed block and a cylindrical pin; the upper beam balance base is fixedly arranged on the upper beam through a second screw; the upper beam balance suspension block is arranged in the upper beam balance base and is tightly propped and fixed with the upper beam balance base, the lower end of the upper beam balance suspension block is inserted into the first upper beam balance moving block, and the spring gasket is arranged between the upper beam balance suspension block and the first upper beam balance moving block; the bottom surface of the first upper beam balance moving block and the top surface of the second upper beam balance fixed block are of matched spherical structures, so that the first upper beam balance moving block is in contact connection with the second upper beam balance fixed block through a spring gasket and rotates relatively; the cylindrical pin is arranged on the bottom surface of the second upper beam balance fixed block, and the second upper beam balance fixed block is connected with the side support arm through the cylindrical pin; and jackscrews are arranged in the top of the side support arms and are propped against the upper beam balance base.
The side support arm motion assembly comprises a support arm lower slide block base, a linear guide rail slide block and a second linear guide rail, wherein the linear guide rail slide block is arranged on the side support arm through the support arm lower slide block base, the second linear guide rail is longitudinally arranged on the first side plate, and the linear guide rail slide block is arranged on the second linear guide rail in a matching manner and moves along the second linear guide rail, so that the side support arm can move up and down along the second linear guide rail.
The lower beam installation movement assembly comprises a first linear guide rail, the lower beam is fixed on an upper bearing seat of the upper beam movement assembly through a lower beam up-down fixing pin and a lower beam left-right fixing pin, a linear guide rail sliding block is installed on the lower beam through a sliding block lower beam connecting block, and the linear guide rail sliding block is installed in a matched mode with the first linear guide rail, so that the lower beam can slide up and down along the first linear guide rail through the linear guide rail sliding block; the upper and lower fixed pins of the lower beam are perpendicular to the left and right fixed pins of the lower beam.
According to the invention, the synchronous wheel and the synchronous belt are driven by the servo motor, and the bending action is realized by matching with the mechanical transmission between the ball screws, so that the problems of hydraulic oil pollution, frequent maintenance and limited plate size in the traditional hydraulic driving mode are avoided, the bending action can be accurately controlled, the processing precision is improved, the servo motor is started only when the plate is folded, the energy consumption is low, and the device is energy-saving and environment-friendly; according to the invention, through flexible connection of the upper beam and the side plates, the requirement on the installation precision is reduced, and meanwhile, the damage to the frame caused by unsynchronized moving parts on two sides is avoided.
Drawings
Fig. 1 is a perspective view of a servo-driven based flexible bending machine of the present invention;
fig. 2 is a perspective view of the general assembly structure of the upper beam in the servo-driven flexible bending machine of the present invention;
fig. 3 is a cross-sectional view of a second flexible connection unit in a servo-driven based bending machine of the present invention;
Fig. 4 is a perspective view of the general assembly structure of the lower beam in the servo-driven flexible bending machine of the present invention;
Fig. 5 is a top perspective view of the overall assembly structure of the frame in the servo-driven based flexible bending machine of the present invention;
Fig. 6 is a bottom perspective view of the general assembly structure of the frame in the servo-driven flexible bending machine of the present invention;
FIG. 7 is a side view of a servo-driven based flexible bending machine center arm of the present invention;
Fig. 8 is a perspective view of the general assembly structure of the outer frame in the servo-driven based flexible bending machine of the present invention;
fig. 9 is a perspective view of a rear fender assembly structure in a servo-driven flexible bending machine according to the invention;
fig. 10 is a schematic view of the installation of a grating scale in a servo-driven based flexible bending machine of the present invention.
In the figure, 1 upper beam total assembly structure, 11 upper beam, 12 upper beam fixing pin, 13 first screw, 14 upper beam balancing base, 15 second screw, 16 upper beam balancing suspension block, 17 spring washer, 18 first upper beam balancing moving block, 19 second upper beam balancing fixing block, 110 cylindrical pin, 2 lower beam total assembly structure, 21 lower beam, 22 slider lower beam connecting block, 23 linear guide slider, 24 lower beam upper and lower fixing pin, 25 lower beam left and right fixing pin, 3 frame total assembly structure, 31 first side plate, 32 side support arm, 33 upper bearing seat, 34 first linear guide rail, 35 screw top, 36 cylindrical roller bearing, 37 ball screw, 38 locking nut, 39 ball screw nut, 310 nut support arm connecting block, 311 first bearing, the motor lead screw is connected with the base, 313 lower bearing clamping seat, 314 upper limiting block, 315 lower limiting ring, 316 first tensioning sleeve, 317 driven wheel, 318 synchronous belt, 319 brake sleeve, 320 second bearing, 321 brake, 322 upper backing ring, 323 lower backing ring, 324 speed reducer fixing plate reinforcing rib, 325 brake fixing piece, 326 speed reducer fixing plate, 327 second tensioning sleeve, 328 driving wheel, 329 speed reducer, 330 servo motor, 331 support arm lower sliding block base, 332 linear guide sliding block, 333 second linear guide, 334 frame connecting square tube, 335 second side plate, 336 grating ruler, 337 sheet metal connecting piece, 4 external frame total assembly structure, 5 electric cabinet box, 6 work bench, 7 clamping block, 8 back blocking material total assembly structure.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
Referring to fig. 1, 8 and 9, a flexible bending machine based on servo drive comprises an upper beam total assembly structure 1, a lower beam total assembly structure 2, a frame total assembly structure 3, an external frame total assembly structure 4, an electric cabinet 5, a workbench 6, a clamping block 7 and a back stop total assembly structure 8; the upper beam total assembly structure 1 and the lower beam total assembly structure 2 are both installed on the frame total assembly structure 3 and move up and down, the frame total assembly structure 3 is installed on the outer frame total assembly structure 4, the workbench 6 is installed on the lower beam 21 of the lower beam total assembly structure 2 through screws, the clamping block 7 is installed on the upper beam 11 of the upper beam total assembly structure 1, and the electric cabinet 5 and the back-baffle total assembly structure 8 are both installed on the frame total assembly structure 3.
Referring to fig. 2, the two ends of the upper beam 11 are symmetrically provided with a first flexible connection assembly and a second flexible connection assembly; referring to fig. 5 to 7, the frame assembly structure 3 includes a first side plate 31, a second side plate 335, a side arm moving assembly, a lower beam mounting moving assembly, an upper beam moving assembly, and a servo driving assembly; the first side plate 31 and the second side plate 335 are connected through a frame connecting square tube 334 through screws to form a U-shaped structure, the first side plate 31 and the second side plate 335 are provided with side support arms 32 through side support arm moving assemblies, and the side support arms 32 move up and down through the side support arm moving assemblies; the lower beam 21 is installed between the pair of side arms 32 by the lower beam installation movement assembly and moves up and down; the upper beam 11 is connected between the two side support arms 32 through a first flexible connecting component and a second flexible connecting component, so that the upper beam 11 can rotate relative to the side support arms 32 through the first flexible connecting component and the second flexible connecting component; the first side plate 31 and the second side plate 335 are respectively provided with a servo driving component, the two side support arms 32 are respectively provided with an upper beam moving component, and the servo driving components are correspondingly connected with the upper beam moving components in a transmission manner, so that the servo driving components drive the upper beam moving components to drive the side support arms 3 and the upper beam 11 to move up and down.
The first flexible connecting assembly comprises an upper beam fixing pin 12 and a first screw 13, the bottom of the upper beam 11 is connected with the side support arms 32 through the upper beam fixing pin 12 by the first screw 13, the upper beam fixing pin 12 is of a cylindrical structure, and the axial direction of the upper beam fixing pin 12 is perpendicular to the plane where the upper beam 11 is located, so that the upper beam 11 can rotate left and right by a certain small angle through the upper beam fixing pin 12, and damage to a frame caused by asynchronous movement of the left and right side support arms 32 due to a certain reason is avoided.
Referring to fig. 3, the second flexible connection unit includes an upper beam balance base 14, a second screw 15, an upper beam balance suspension 16, a spring washer 17, a first upper beam balance moving block 18, a second upper beam balance fixing block 19 and a cylindrical pin 110; the upper beam balance base 14 is fixedly arranged in the middle of the side wall of the upper beam 11 through a second screw 15, preferably, a cylindrical bulge can be arranged on the upper beam balance base 14, and a positioning hole matched with the cylindrical bulge is arranged on the side wall of the upper beam 11, so that the upper beam balance base 14 is stably inserted into the upper beam 11; the upper beam balance suspension block 16 with a T-shaped structure is arranged in a cavity in the upper beam balance base 14, the upper end of the upper beam balance suspension block 16 is tightly propped against and fixed with the upper beam balance base 14 through jackscrews, the lower end of the upper beam balance suspension block 16 is of a cylindrical structure and is inserted into a processing hole of the first upper beam balance moving block 18 in a matching way, the spring gasket 17 is arranged between the upper beam balance suspension block 16 and the first upper beam balance moving block 18, and the spring gasket 17 can provide a certain supporting force; the bottom surface of the first upper beam balance moving block 18 and the top surface of the second upper beam balance fixed block 19 are of matched spherical structures, so that the first upper beam balance moving block 18 is in contact connection with the second upper beam balance fixed block 19 under the action of the supporting force of the spring gasket 17 and rotates relatively; the cylindrical pin 110 is disposed on the bottom surface of the second upper beam balance fixing block 19, and the second upper beam balance fixing block 19 is connected with the side arm 32 through the cylindrical pin 110. The second flexible connection assembly can ensure that the left and right side support arms 32 are asynchronous due to certain reasons to damage the mechanical mechanism, and the upper beam 11 and the side support arms 32 are in flexible direct connection to allow the side support arms 32 to move in an asynchronous mode within a certain range.
The side arm moving assembly includes an arm lower slider base 331, a linear guide slider 332 and a second linear guide 333, the linear guide slider 332 is mounted at the bottom of the inner end surface of the side arm 32 through the arm lower slider base 331, the second linear guide 333 is longitudinally mounted on the outer end surface of the first side plate 31, and the linear guide slider 332 is disposed on the second linear guide 333 in a matching manner and moves along the second linear guide 333, so that the side arm 32 can move up and down along the second linear guide 333. The side arms 32 on the second side plate 335 and the side arms 32 on the first side plate 31 are installed in the same manner and are symmetrically arranged, which will not be described here.
The servo driving assembly comprises a motor screw rod connecting base 312, a first tensioning sleeve 316, a synchronous belt 318, a brake 321, a reducer fixing plate reinforcing rib 324, a reducer fixing plate 326, a second tensioning sleeve 327, a driving wheel 328, a reducer 329 and a servo motor 330; the speed reducer 329 is installed on the motor lead screw connection base 312 through a speed reducer fixing plate 326 by screws, the second tensioning sleeve 327 is connected with the speed reducer 329 and the driving wheel 328, the servo motor 330 is installed on the speed reducer 329, the synchronous belt 318 is arranged in the motor lead screw connection base 312, and the synchronous belt 318 is connected with the driven wheel 317 and the driving wheel 328; the first tensioning sleeve 316 connects the upper beam movement assembly and the driven wheel 317; the brake 321 is fixed on the reinforcing rib 324 of the fixing plate of the speed reducer through the brake installation assembly and is coaxially connected with the ball screw 37 of the upper beam movement assembly, and the reinforcing rib 324 of the fixing plate of the speed reducer is connected with the motor screw through screws and the processing surface to connect the base 312 and the first side plate 31. Preferably, a U-shaped groove and an adjusting device can be arranged in the motor screw rod connecting base 312 to adjust the position of the motor screw rod connecting base 312, so as to tension the synchronous belt 318; the whole power transmission process is as follows: the servo motor 330 drives the speed reducer 329 to rotate, and then drives the driving wheel 328 to rotate through the second tensioning sleeve 327, and then drives the driven wheel 317 to rotate through the synchronous belt 318, and then drives the ball screw 37 of the upper beam moving assembly to move through the first tensioning sleeve 316. The servo driving components on the second side plate 335 and the servo driving components on the first side plate 31 are installed in the same manner and are symmetrically arranged, and will not be described here again.
The brake mounting assembly comprises a brake sleeve 319, a second bearing 320 and a brake fixing piece 325, wherein the brake 321 is fixed on the brake fixing piece 325 through screws by the brake sleeve 319, preferably, a positioning cylinder is arranged at the bottom of the brake sleeve 319 so that the brake is matched and positioned with the brake fixing piece 325, the brake fixing piece 325 is fixed on a reinforcing rib 324 of a speed reducer fixing plate through screws, a bearing groove is processed on the brake sleeve 319, the second bearing 320 is matched and embedded in the bearing groove, the ball screw 37 is coaxially connected with the second bearing 320, and the top of the second bearing 320 is fixed through a cover plate. The function of the brake sleeve 319 is to locate the brake 321 and the second bearing 320 on the axis of the ball screw 37, so that the brake 321 is prevented from being eccentric due to installation errors, and the service life of the brake 321 is reduced and the brake is easy to damage.
The upper beam moving assembly comprises an upper bearing seat 33, a cylindrical roller bearing 36, a ball screw 37, a locking nut 38, a ball screw nut 39 and a nut support arm connecting block 310; the first bearing 311 is embedded in the motor screw rod connecting base 312, the cylindrical roller bearing 36 is arranged in the upper bearing seat 33 through a screw, the lock nut 38 is arranged on the cylindrical roller bearing 36, the upper end of the ball screw rod 37 is coaxially connected with the cylindrical roller bearing 36, the upper end of the ball screw rod 37 is fixed in position through the guiding action of the cylindrical roller bearing 36, and the lower end of the ball screw rod 37 is inserted into the motor screw rod connecting base 312 and connected with the first tensioning sleeve 316, so that the first tensioning sleeve 316 can drive the ball screw rod 37 to rotate; the ball screw nut 39 is coaxially screwed on the ball screw 37, and the ball screw nut 39 is screwed on the side support arm 32 through the nut support arm connecting block 310, so that the ball screw 37 rotates to drive the ball screw nut 39 to move up and down along the axial direction of the ball screw 37 and drive the side support arm 32 to move up and down, thereby realizing the up-and-down movement of the upper beam 11. The upper beam moving assemblies on the second side plate 335 and the upper beam moving assemblies on the first side plate 31 are arranged in the same installation mode and are symmetrical to each other, and details thereof are omitted.
The upper backing ring 322 is arranged at the top of the brake 321, the lower backing ring 323 is arranged at the bottom of the brake 321, and the lower backing ring 323 is arranged on the ball screw 37 of the upper beam moving assembly through screws, so that the accurate position of the middle part inside the brake 321 is ensured, the brake 321 can not fall out, and the brake 321 can work normally.
The motor lead screw connecting base 312 on processing bearing groove and the matching installation first bearing 311, the top of first bearing 311 sets up lower bearing cassette 313 for the position of restriction first bearing 311, ball screw 37 inserts in motor lead screw connecting base 312 through first bearing 311, first bearing 311 plays the supporting role to ball screw 37, has guaranteed the rigidity of ball screw 37.
The upper bearing seat 33 is provided with an upper limiting block 314, the lower bearing clamping seat 313 is provided with a lower limiting ring 315, and the ball screw nut 39 moves up and down between the upper limiting block 314 and the lower limiting ring 315 to limit the up and down movement forming position of the ball screw nut 39.
Referring to fig. 4, the lower beam installation moving assembly includes a first linear guide rail 34, a lower beam 21 is fixed on an upper bearing seat 33 of the upper beam moving assembly by screws through a lower beam up-down fixing pin 24 and a lower beam left-right fixing pin 25, a linear guide rail sliding block 23 is installed on the lower beam 21 by screws through a sliding block lower beam connecting block 22, and the linear guide rail sliding block 23 is installed in a matched manner with the first linear guide rail 34, so that the lower beam 21 can slide up and down along the first linear guide rail 34 through the linear guide rail sliding block 23; the lower beam up-down fixing pin 24 is arranged perpendicular to the lower beam left-right fixing pin 25. The side support arms 32 can only move up and down in the same direction under the guiding action of the first linear guide rail 34, and the side support arms 32 on both sides synchronously move through the lower beam mounting moving components symmetrically arranged left and right, which is not described herein.
The top of side support arm 32 set up the screw hole, the screw hole sets up jackscrew 35, jackscrew 35 withstands the upper beam balance base 14 of second flexible coupling assembly, can adjust the front and back angle of upper beam 11 to a certain extent.
Referring to fig. 10, a grating scale 336 is disposed on the first side plate 31, and the grating scale 336 is connected with the side support arm 32 through a sheet metal connecting member 337, so as to read the up-down movement position of the side support arm 32 in real time, thereby accurately feeding back the movement position of the upper beam 11, and feeding back the movement position to the servo motor 330, so as to facilitate the closed-loop control of the servo motor 330.
Referring to fig. 8, the outer frame assembly structure 4 is preferably formed by splicing a plurality of square tube welding pieces, and is used for supporting and protecting components such as a folding machine, a numerical control screen thereof and the like. Two electrical cabinets 5 are mounted on the first side plate 31 and the second side plate 335, respectively, for electrical connection and control.
The upper beam 11 is arranged on the side support arm 32 of the bending machine through the first flexible connecting component and the second flexible connecting component, so that the upper beam 11 can swing left and right to a certain extent, and the damage to the frame caused by the asynchronism of the support arms on the left side and the right side due to a certain reason is avoided. Meanwhile, the upper beam 11 can be matched with the jackscrews 35 to adjust a certain angle in the front-rear direction, so that the influence of processing errors and installation errors on the final bending effect is avoided.
The bending machine side arm 32 is connected to the lower beam 21 and the side plate 31 through the first linear guide 34 and the linear guide slider 23, and moves up and down by the up and down movement of the ball screw nut 39 to drive the side arm 32 and the upper beam 11 to perform the bending process. The ball screw 37 is fixed on the lower beam 21 through a first bearing 311, and drives the first tensioning sleeve 316 through a driving wheel 328 and a driven wheel 317 which are driven by a synchronous belt 318. The driven pulley 317 is driven by a timing belt 318 and a driving pulley 328. The driving wheel 328 is driven by a speed reducer 329 and a servo motor 330. A brake 321 is arranged below the ball screw 37, and can provide enough braking torque to brake the ball screw 37 under the condition that the servo motor 330 is powered off, so as to avoid the upper beam 11 from freely moving downwards.
The whole frame assembly structure cancels the hydraulic cylinder, the upper beam 11 is in driving connection through the side support arms 32, the first side plate 31 and the second side plate 335 can be lower than the lower beam 21, and the condition that the throat openings are required to be processed on the first side plate 31 and the second side plate 335 is avoided, so that the limitation of the maximum processing size of the bending workpiece caused by the throat opening of the traditional bending machine is broken through.
The foregoing description of the preferred embodiments of the invention is not intended to limit the scope of the invention, and therefore, any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A flexible bending machine based on servo drive comprises an upper beam total assembly structure (1), a lower beam total assembly structure (2), a frame total assembly structure (3), an external frame total assembly structure (4), an electric cabinet (5), a workbench (6), a clamping block (7) and a rear baffle total assembly structure (8); the upper beam total assembly structure (1) and the lower beam total assembly structure (2) are both arranged on the frame total assembly structure (3) and move up and down, the frame total assembly structure (3) is arranged on the external frame total assembly structure (4), the workbench (6) is arranged on the lower beam (21) of the lower beam total assembly structure (2), the clamping block (7) is arranged on the upper beam (11) of the upper beam total assembly structure (1), and the electric cabinet (5) and the rear baffle total assembly structure (8) are both arranged on the frame total assembly structure (3);
The method is characterized in that: the two ends of the upper beam (11) are symmetrically provided with a first flexible connecting component and a second flexible connecting component; the frame assembly structure (3) comprises a first side plate (31), a second side plate (335), a side support arm moving assembly, a lower beam installation moving assembly, an upper beam moving assembly and a servo driving assembly; the first side plate (31) is connected with the second side plate (335) through a frame connecting square tube (334), the first side plate (31) and the second side plate (335) are provided with side support arms (32) through side support arm movement assemblies, and the side support arms (32) move up and down through the side support arm movement assemblies; the lower beam (21) is arranged between a pair of side support arms (32) through a lower beam installation movement assembly and moves up and down; the upper beam (11) is connected between the two side support arms (32) through a first flexible connecting component and a second flexible connecting component, so that the upper beam (11) can rotate relative to the side support arms (32) through the first flexible connecting component and the second flexible connecting component; the servo drive components are arranged on the first side plate (31) and the second side plate (335), the upper beam moving components are arranged on the two side support arms (32), and the servo drive components are in corresponding transmission connection with the upper beam moving components, so that the servo drive components drive the upper beam moving components to drive the side support arms (32) and the upper beam (11) to move up and down.
2. The servo-driven based flexible bending machine according to claim 1, wherein: the servo driving assembly comprises a motor screw rod connecting base (312), a first tensioning sleeve (316), a synchronous belt (318), a brake (321), a reducer fixing plate reinforcing rib (324), a reducer fixing plate (326), a second tensioning sleeve (327), a driving wheel (328), a reducer (329) and a servo motor (330); the speed reducer (329) is arranged on the motor screw rod connecting base (312) through a speed reducer fixing plate (326), the second tensioning sleeve (327) is connected with the speed reducer (329) and the driving wheel (328), the servo motor (330) is arranged on the speed reducer (329), the synchronous belt (318) is arranged in the motor screw rod connecting base (312), and the synchronous belt (318) is connected with the driven wheel (317) and the driving wheel (328); the first tensioning sleeve (316) is connected with a ball screw (37) and a driven wheel (317) of the upper beam movement assembly; the brake (321) is fixed on the reinforcing rib (324) of the speed reducer fixing plate through the brake mounting assembly and is coaxially connected with the ball screw (37) of the upper beam moving assembly, and the reinforcing rib (324) of the speed reducer fixing plate is connected with the motor screw connecting base (312) and the first side plate (31).
3. The servo-driven based flexible bending machine according to claim 2, wherein: the brake mounting assembly comprises a brake sleeve (319), a second bearing (320) and a brake fixing piece (325), wherein a brake (321) is fixed on the brake fixing piece (325) through the brake sleeve (319), and the brake fixing piece (325) is fixed on the reducer fixing plate reinforcing rib (324); the second bearing (320) is arranged on the brake sleeve (319) and is coaxially connected with the ball screw (37) of the upper beam movement assembly; an upper backing ring (322) is arranged at the top of the brake (321), a lower backing ring (323) is arranged at the bottom of the brake (321), and the lower backing ring (323) is arranged on a ball screw (37) of the upper beam moving assembly.
4. The servo-driven based flexible bending machine according to claim 2, wherein: the motor screw rod connecting base (312) is provided with a bearing groove and is matched with a first bearing (311), the top of the first bearing (311) is provided with a lower bearing clamping seat (313), and a ball screw (37) of the upper beam moving assembly is inserted into the motor screw rod connecting base (312) through the first bearing (311).
5. The servo-driven based flexible bending machine according to claim 1, wherein: the upper beam movement assembly comprises an upper bearing seat (33), a cylindrical roller bearing (36), a ball screw (37), a lock nut (38), a ball screw nut (39) and a nut support arm connecting block (310); the cylindrical roller bearing (36) is arranged in the upper bearing seat (33), the lock nut (38) is arranged on the cylindrical roller bearing (36), the upper end of the ball screw (37) is coaxially connected with the cylindrical roller bearing (36), and the lower end of the ball screw (37) is inserted into the motor screw connecting base (312) and connected with the first tensioning sleeve (316), so that the first tensioning sleeve (316) can drive the ball screw (37) to rotate; the ball screw nut (39) is coaxially screwed on the ball screw (37), the ball screw nut (39) is fixed on the side support arm (32) through the nut support arm connecting block (310), so that the ball screw (37) rotates to drive the ball screw nut (39) to move up and down along the axial direction of the ball screw (37) and drive the side support arm (32) to move up and down, and the up and down movement of the upper beam (11) is realized.
6. The servo-driven based flexible bending machine according to claim 5, wherein: an upper limiting block (314) is arranged on the upper bearing seat (33), a lower limiting ring (315) is arranged on the lower bearing clamping seat (313), and the ball screw nut (39) moves up and down between the upper limiting block (314) and the lower limiting ring (315).
7. The servo-driven based flexible bending machine according to claim 1, wherein: the first flexible connecting assembly comprises an upper beam fixing pin (12) and a first screw (13), the bottom of the upper beam (11) is connected with the side support arm (32) through the upper beam fixing pin (12) through the first screw (13), the upper beam fixing pin (12) is of a cylindrical structure, and the axial direction of the upper beam fixing pin (12) is perpendicular to the plane where the upper beam (11) is located, so that the upper beam (11) can rotate through the upper beam fixing pin (12).
8. The servo-driven based flexible bending machine according to claim 1, wherein: the second flexible connecting assembly comprises an upper beam balance base (14), a second screw (15), an upper beam balance suspension block (16), a spring gasket (17), a first upper beam balance moving block (18), a second upper beam balance fixed block (19) and a cylindrical pin (110); the upper beam balance base (14) is fixedly arranged on the upper beam (11) through a second screw (15); the upper beam balance suspension block (16) is arranged in the upper beam balance base (14) and is tightly propped against the upper beam balance base (14), the lower end of the upper beam balance suspension block (16) is inserted into the first upper beam balance moving block (18), and the spring gasket (17) is arranged between the upper beam balance suspension block (16) and the first upper beam balance moving block (18); the bottom surface of the first upper beam balance moving block (18) and the top surface of the second upper beam balance fixed block (19) are of matched spherical structures, so that the first upper beam balance moving block (18) is in contact connection with the second upper beam balance fixed block (19) through a spring gasket (17) and rotates relatively; the cylindrical pin (110) is arranged on the bottom surface of the second upper beam balance fixed block (19), and the second upper beam balance fixed block (19) is connected with the side support arm (32) through the cylindrical pin (110); a jackscrew (35) is arranged in the top of the side support arm (32), and the jackscrew (35) props against the upper beam balance base (14).
9. The servo-driven based flexible bending machine according to claim 1, wherein: the side support arm motion assembly comprises a support arm lower slide block base (331), a first linear guide rail slide block (332) and a second linear guide rail (333), wherein the first linear guide rail slide block (332) is arranged on the side support arm (32) through the support arm lower slide block base (331), the second linear guide rail (333) is longitudinally arranged on the first side plate (31), and the first linear guide rail slide block (332) is arranged on the second linear guide rail (333) in a matching mode and moves along the second linear guide rail (333), so that the side support arm (32) can move up and down along the second linear guide rail (333).
10. The servo-driven based flexible bending machine according to claim 1, wherein: the lower beam installation movement assembly comprises a first linear guide rail (34), a lower beam (21) is fixed on an upper bearing seat (33) of the upper beam movement assembly through a lower beam up-down fixing pin (24) and a lower beam left-right fixing pin (25), a second linear guide rail sliding block (23) is installed on the lower beam (21) through a sliding block lower beam connecting block (22), and the second linear guide rail sliding block (23) is installed in a matched mode with the first linear guide rail (34), so that the lower beam (21) can slide up and down along the first linear guide rail (34) through the second linear guide rail sliding block (23); the lower beam up-down fixing pin (24) is perpendicular to the lower beam left-right fixing pin (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910782203.3A CN110405007B (en) | 2019-08-23 | 2019-08-23 | Flexible bending machine based on servo drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910782203.3A CN110405007B (en) | 2019-08-23 | 2019-08-23 | Flexible bending machine based on servo drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110405007A CN110405007A (en) | 2019-11-05 |
| CN110405007B true CN110405007B (en) | 2024-05-24 |
Family
ID=68368545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910782203.3A Active CN110405007B (en) | 2019-08-23 | 2019-08-23 | Flexible bending machine based on servo drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110405007B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7474643B2 (en) * | 2020-06-15 | 2024-04-25 | 株式会社アマダ | Press brake |
| EP4074432A1 (en) * | 2021-04-15 | 2022-10-19 | Bystronic Laser AG | Bending machine for bending workpieces, in particular bending press |
| CN113617893B (en) * | 2021-10-12 | 2021-12-03 | 江苏力威剪折机床有限公司 | Bending machine with magnetic grid ruler unbalance loading prevention structure and implementation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4577538A (en) * | 1984-04-09 | 1986-03-25 | Amada Company Limited | Backgauge device |
| WO2003035294A1 (en) * | 2001-10-23 | 2003-05-01 | Amada Co., Ltd. | Bending apparatus and sheet metal working system |
| CN201456407U (en) * | 2009-07-14 | 2010-05-12 | 十堰海岚机床有限公司 | Servo press machine |
| CN206028396U (en) * | 2016-08-30 | 2017-03-22 | 洛阳润信机械制造有限公司 | Full -automatic bender that panel beating was used |
| JP2018126793A (en) * | 2018-05-25 | 2018-08-16 | 株式会社アマダホールディングス | Plate bending system |
| CN210701817U (en) * | 2019-08-23 | 2020-06-09 | 江苏弘东工业自动化有限公司 | Flexible bending machine based on servo drive |
-
2019
- 2019-08-23 CN CN201910782203.3A patent/CN110405007B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4577538A (en) * | 1984-04-09 | 1986-03-25 | Amada Company Limited | Backgauge device |
| WO2003035294A1 (en) * | 2001-10-23 | 2003-05-01 | Amada Co., Ltd. | Bending apparatus and sheet metal working system |
| CN201456407U (en) * | 2009-07-14 | 2010-05-12 | 十堰海岚机床有限公司 | Servo press machine |
| CN206028396U (en) * | 2016-08-30 | 2017-03-22 | 洛阳润信机械制造有限公司 | Full -automatic bender that panel beating was used |
| JP2018126793A (en) * | 2018-05-25 | 2018-08-16 | 株式会社アマダホールディングス | Plate bending system |
| CN210701817U (en) * | 2019-08-23 | 2020-06-09 | 江苏弘东工业自动化有限公司 | Flexible bending machine based on servo drive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110405007A (en) | 2019-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110405007B (en) | Flexible bending machine based on servo drive | |
| US6544102B2 (en) | Device for centering clamping of workpieces, in particular optical lenses, for edge machining thereof | |
| CN207119660U (en) | A kind of bending machine and its clamping component | |
| CN210701817U (en) | Flexible bending machine based on servo drive | |
| KR101422245B1 (en) | Compensation apparatus for compensating for the drop of the ram in a machine tool | |
| CN109877163B (en) | Rolling mill roll test center adjusting device | |
| CN111590445B (en) | Sheet metal part polishing machine and polishing method | |
| CN205765175U (en) | Closed-loop vertical knee-type milling machine | |
| KR20130087087A (en) | A tool position determinating device for automatic tool changer of machine tool | |
| WO1998005442A1 (en) | Back gauge device | |
| CN216442325U (en) | C-shaped iron core fixture device | |
| CN212127146U (en) | Multi-axial adjustment rotary worktable | |
| CN111089551B (en) | Coordinate measuring machine | |
| CN212192251U (en) | Adjustable machining positioning device | |
| CN220210216U (en) | Tool for assembling stator and rotor of permanent magnet large-magnetic attraction motor | |
| CN111015252A (en) | Main shaft sliding table of movable beam type gantry numerical control engraving and milling machine | |
| CN218252306U (en) | High-precision three-dimensional servo hydraulic stretch bender | |
| CN219704807U (en) | Fixing device is used in apron processing | |
| CN220036931U (en) | Gear pump fixed mounting mechanism | |
| CN217912524U (en) | Be applied to location frock mechanism of bender | |
| CN218836360U (en) | Positioning device for machining threaded hole of mandrel | |
| CN219403099U (en) | High-precision guiding and positioning device for special machine for assembling of easy-to-draw bank | |
| CN215615206U (en) | Direct-drive drilling machine for producing and processing mechanical parts | |
| CN218487840U (en) | Large gantry ball screw supporting mechanism | |
| CN218946913U (en) | Direct-drive machine tool with stepped beam structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No.5 Zhenxing Road, industrial park, Touzao Town, Dongtai City, Yancheng City, Jiangsu Province Applicant after: Jiangsu Hongdong Industrial Automation Co.,Ltd. Address before: No. 90, xinlai Road, Chengdong Town, Hai'an County, Nantong City, Jiangsu Province Applicant before: Jiangsu Hongdong Industrial Automation Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |