CN110538899A - Multi-shaft driving bending machine and bending method thereof - Google Patents
Multi-shaft driving bending machine and bending method thereof Download PDFInfo
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- CN110538899A CN110538899A CN201811123882.5A CN201811123882A CN110538899A CN 110538899 A CN110538899 A CN 110538899A CN 201811123882 A CN201811123882 A CN 201811123882A CN 110538899 A CN110538899 A CN 110538899A
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- 238000005452 bending Methods 0.000 title claims abstract description 273
- 238000000034 method Methods 0.000 title claims description 15
- 238000007599 discharging Methods 0.000 claims abstract description 70
- 230000009471 action Effects 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 117
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 230000007723 transport mechanism Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/18—Advancing work in relation to the stroke of the die or tool by means in pneumatic or magnetic engagement with the work
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
-
- 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
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a multi-shaft driving bending machine which comprises a bending system and an integrated feeding and discharging system; the bending system comprises a horizontal bending driving device, and a horizontal bending shaft arranged in the horizontal direction is installed on the horizontal bending driving device; the horizontal bending shaft is provided with a linkage bracket; and the upper end of the linkage support is also provided with an up-and-down bending driving device, the up-and-down bending driving device is provided with an up-and-down bending shaft in the vertical direction, the shaft ends of the up-and-down bending shaft are provided with a bending knife support, and the upper end and the lower end of the bending knife support are respectively provided with an upper bending knife and a lower bending knife which correspond to each other in the up-and-down position. The invention relates to a multi-shaft driving bending machine, which can enable upper and lower bending knives to reach different positions through coordinated and matched adjustment of bending driving, and is matched with a downward pressing driving lifting device to control downward pressing fixing and releasing of an upper pressing knife and feeding and discharging actions of the upper and lower feeding and discharging driving, so that bending of bending pieces with any shapes, angles and flexible radians is completed.
Description
Technical Field
The invention relates to the field of bending equipment and bending devices, in particular to a multi-shaft driving bending machine and a bending method thereof.
Background
bending is accomplished through the linkage of upper and lower bending sword to the bender among the prior art, but current bender ubiquitous shortcoming that is showing relatively: the shape and the bending angle formed by bending of the bending machine are limited, are not easy to control, and can not reach any required shape and required bending angle; the bending machine mainly comprises two points, one is the problem of a driving mode, the existing bending machine cannot realize a multi-shaft simultaneous linkage mechanism, so that a bending tool bit reaches any position, and the bending shape and the bending angle of the bending tool bit are limited; the tool bit of the bending tool in the prior art is usually set to be a downward pressing type structure, and only bending corresponding to the tool bit in shape can be completed; and still need change different tool bits of bending often and just can accomplish corresponding bending when specifically bending, lead to work efficiency seriously to reduce.
in addition, feeding, discharging and positioning in the conventional bending machine are generally controlled manually, and the efficiency, the quality and the precision are influenced.
disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a multi-shaft driving bending machine, which has the technical scheme as follows:
A multi-shaft driving bending machine comprises a bending system and an integrated feeding and discharging system; the bending system comprises a horizontal bending driving device, and a horizontal bending shaft arranged in the horizontal direction is installed on the horizontal bending driving device; the horizontal bending shaft is provided with a linkage bracket; and the upper end of the linkage support is also provided with an up-and-down bending driving device, the up-and-down bending driving device is provided with an up-and-down bending shaft in the vertical direction, the shaft ends of the up-and-down bending shaft are provided with a bending knife support, and the upper end and the lower end of the bending knife support are respectively provided with an up-bending knife and a down-bending knife which correspond to each other in the up-and-down position.
the integrated feeding and discharging system comprises a feeding and discharging driving device, the driving direction of the feeding and discharging driving device corresponds to the positions of the upper bending knife and the lower bending knife, a lifting mechanism is further mounted on the feeding and discharging driving device, and a rotating mechanism is mounted on the lifting mechanism in a linkage manner; the shaft end of the rotating shaft of the rotating mechanism is provided with a locking mechanism, and the locking mechanism corresponds to the height positions of the upper bending knife and the lower bending knife.
Preferably, the bending system further comprises a downward pressing driving lifting device, the downward pressing driving lifting device is vertically arranged, a downward pressing shaft of the downward pressing driving lifting device extends downwards, and a pressing plate is mounted at the shaft end of the downward pressing driving lifting device; the press plate is provided with a detachable upper press knife, and a lower press knife which is fixedly arranged is arranged below the upper press knife; the upper bending knife and the lower bending knife correspond to the upper pressing knife and the lower pressing knife in position, and the locking mechanism corresponds to the upper pressing knife and the lower pressing knife in position.
Preferably, the upper pressing knife and the lower pressing knife are both provided with pressing heads extending out to one side; the upper bending knife and the lower bending knife are arranged on one side, extending out of the pressure head, of the upper pressing knife and the lower pressing knife, and the upper pressing knife and the lower pressing knife are arranged between the upper bending knife and the lower bending knife; the blade parts of the upper bending knife and the lower bending knife are provided with inclined planes matched with the pressure head; the end part of the inclined plane is provided with a calibration surface which is an upper and lower surface structure all the time, and the extending end part of the calibration surface is also provided with a corresponding bending surface.
Preferably, the cross section of the bending surface is correspondingly set to be a circular cross section, an arc cross section or an oval cross section.
preferably, the lower end part of the pressure plate is also provided with a pressure knife groove, and the pressure knife groove is also provided with a clamping groove which is sunken towards the inner side; a row of rotary ball shafts extending outwards are also arranged on the side wall of the pressing plate above the pressing cutter groove; a press block in a lever structure is arranged on each rotating spherical shaft, and the lower end of the press block corresponds to the position of the cutter pressing groove; the upper pressing knives are of a single pressing knife structure matched with the rotary spherical shaft and the pressing block, the upper end of each upper pressing knife is provided with a corresponding clamping block, the upper end of each upper pressing knife is installed in the pressing knife groove in a matched mode, the clamping blocks are correspondingly clamped in the clamping grooves, and the upper pressing knives are installed to form the integral upper pressing knife; and a jacking assembly is further arranged between the inner side of the upper end of the pressing block and the side wall of the pressing plate, and the lower end of the pressing plate is tightly pressed on the upper pressing knife under the principle action of the jacking assembly and the lever structure so as to detachably fix the upper pressing knife on the pressing plate.
Preferably, a driving platform is arranged on a driving rod of the feeding and discharging driving device; two sides of the driving platform are respectively provided with a lifting mechanism; a lifting platform is arranged on a lifting rod of the lifting mechanism; the lower end of the lifting platform is hung with a rotating mechanism; a rotating shaft of the rotating mechanism extends out of the lifting platform, and a rotating platform is arranged at the shaft end of the rotating shaft; and a locking mechanism is arranged on the rotary platform, the rotating angle of the locking mechanism on the rotary platform can be rotationally adjusted through the rotating mechanism, the height of the locking mechanism can be vertically adjusted through the lifting mechanism, and the front and rear positions of the locking mechanism can be adjusted through the feeding and discharging driving device.
Preferably, the lifting platform is also provided with an anti-backlash spring; one end of the anti-backlash spring is fixed on the rotating shaft of the rotating mechanism, and the other end of the anti-backlash spring is fixed on the lifting platform.
Preferably, the feeding and discharging driving device is a screw driving device, the driving rod is a driving screw, and driving guide rails are further arranged on two sides of the feeding and discharging driving device; the middle of the driving platform is arranged on the driving screw rod through a threaded hole, and the two sides of the driving platform are correspondingly arranged on the driving guide rail; and the lifting mechanism is set as a lifting cylinder, and the rotating mechanism is set as a rotating motor.
Preferably, the feeding and discharging driving device is a synchronous belt driving device; the locking mechanism is set as a sucker component or an electromagnet component; the sucking disc component is a sucking disc with an air suction device and capable of generating negative pressure suction, and the electromagnet component is a component capable of generating magnetic force.
Preferably, the device also comprises a feeding and discharging workbench; the feeding and discharging workbench corresponds to the height position of a fixedly arranged lower pressing knife, and the middle part of the feeding and discharging workbench is provided with a dual-purpose groove integrating a feeding groove and a discharging groove; the feeding driving device is arranged below the dual-purpose groove; and the rotating platform and the locking mechanism arranged on the platform can be adjusted up and down through the dual-purpose groove.
preferably, the rear end of the dual-purpose groove on the feeding and discharging platform is provided with a lifting rear positioning device, the lifting rear positioning device comprises a horizontal positioning guide rail arranged on the feeding and discharging working platform, an electric slider arranged on the horizontal positioning guide rail and a positioning lifting mechanism arranged on the electric slider, and a positioning clamping strip is arranged on a lifting rod of the positioning lifting mechanism; the loading and unloading platform is provided with a positioning groove corresponding to the positioning clamping strip, and the positioning clamping strip can move up and down and left and right in the positioning groove; and the combination of the electric slide block, the positioning lifting mechanism and the positioning clamping strip is at least provided with two sets of horizontal positioning guide rails.
one side of the dual-purpose groove is also provided with a guide rail type side positioning device; the guide rail type side positioning device comprises a positioning driving device, a positioning driving rod on the positioning driving device, a positioning driving track and a positioning platform arranged on the positioning driving rod and the positioning driving track; the positioning platform is provided with a positioning lifting mechanism, and the upper end of the positioning lifting mechanism is provided with a positioning block; the loading and unloading platform is also provided with a positioning groove corresponding to the positioning block; the positioning block can move back and forth in the positioning groove and can move up and down; the other table surfaces of the loading and unloading platform are embedded with loading and unloading auxiliary conveying mechanisms; the feeding and discharging auxiliary conveying mechanism can be arranged into a ball structure or a brush structure.
preferably, the device also comprises a bending fixed base; the horizontal bending driving device is at least provided with a set of corresponding horizontal installation on the bending fixed base; at least one set of upper and lower bending driving devices on the linkage support is arranged; the downward pressing driving lifting device is at least provided with one set and is correspondingly arranged above the bending fixed base; the lower pressing knife is fixedly arranged on the bending fixed base and is positioned on the same vertical plane corresponding to the upper bending knife above the lower pressing knife; the upper bending knife and the lower bending knife are vertically positioned on the same vertical plane or are arranged in a vertically staggered manner.
The invention also provides a bending method of the multi-axis driving bending machine, which comprises the following steps:
1) Firstly, adjusting the relative positions of an upper pressing knife and a lower pressing knife; adjusting the positions of the upper bending knife and the lower bending knife relative to the upper pressing knife and the lower pressing knife; adjusting the position of a feeding and discharging driving device; adjusting the height of the lifting platform and the position of the locking mechanism;
2) Placing the plate on a loading and unloading platform, firstly lifting a positioning clamping strip of a lifting rear positioning device, positioning the rear end of the plate through the positioning clamping strip, then adjusting the position of a positioning block on a guide rail type side positioning device, and positioning the lateral position of the plate through the positioning block;
3) the lifting platform is lifted to the position where the locking mechanism is contacted with the plate through the lifting mechanism on the feeding and discharging driving device, and the plate is locked and fixed by using the locking mechanism; the locking mechanism can be arranged as a sucker, and the sucker generates negative pressure to suck the plate by the negative pressure principle; the locking mechanism can also be arranged as an electromagnet, and the sheet is fixed by the suction force of the electromagnet;
4) The plate fixed on the adsorption mechanism is transferred to the position between the upper pressing knife and the lower pressing knife through the feeding and discharging driving device, and one end of the plate extends into the position between the upper pressing knife and the lower pressing knife;
5) the position of the upper pressing knife is adjusted by a downward pressing driving lifting device, so that the upper pressing knife is pressed on the plate material, and the plate material presses the lower pressing knife, so that the fed plate material is fixed between the upper pressing knife and the lower pressing knife;
6) after the upper and lower pressing knives compress the end part of the plate, the horizontal bending driving device, the upper and lower bending driving device are adjusted in a matching way, the pressing fixing and loosening of the upper pressing knife are controlled by the pressing lifting driving device, and the feeding and feeding actions of the feeding and discharging driving are controlled, so that the bending of the bending piece with any shape, any angle and flexible radian is completed.
Has the advantages that: the invention has the following beneficial effects:
(1) The invention relates to a multi-shaft driving bending machine which comprises a horizontal bending drive, an up-down bending drive, a feeding and discharging drive and a pressing and lifting drive, wherein the horizontal bending drive and the up-down bending drive are used for bending, the feeding and discharging drive is used for feeding and discharging, and the pressing and lifting drive is used for controlling a pressing cutter; the upper bending drive and the lower bending drive are provided with upper bending knives and lower bending knives, the upper bending drives and the lower bending drives are integrally arranged on the horizontal bending drive, the upper bending knives and the lower bending knives can reach different positions through the coordination and adjustment of the two bending drives, the press fixing and loosening of the upper pressing knives and the feeding and feeding actions of the feeding and discharging drives are controlled in a matched manner through the press lifting drive, the bending of bending pieces with any shapes, any angles and flexible radians are completed, the integral bending process is programmable, the upper bending knives and the lower bending knives do not need to be replaced, the integral structure is reasonable and reliable, the bending difficulty is effectively reduced, the bending shapes are increased, the bending angle is wide, and the working efficiency of the bending pieces is greatly;
(2) The specific bending work of the invention is mainly completed by the matching of an upper pressing knife, a lower pressing knife, an upper bending knife and a lower bending knife, the upper pressing knife and the lower pressing knife are provided with triangular convex pressing heads, the upper bending knife and the lower bending knife are provided with corresponding inclined planes which can be perfectly matched with the upper pressing knife and the lower pressing knife, the upper bending knife and the lower bending knife are also provided with vertical calibration surfaces and bending surfaces with circular cross sections, wherein the effective contact surfaces of the bending knives and the plate are the bending surfaces, and the cross section shape of the bending surfaces is macroscopically set to be a circular structure, so that the bending surfaces can be set to be circular-like elliptic and arc-shaped cross section structures; the bending knife is driven to move by the horizontal and upper and lower bending shafts, so that the bending face is contacted with the plate to be bent, the bending face is always tangent to the plate during bending, a contact point between the bending face and the plate always moves around a knife point coincidence point of the upper and lower pressing knives in the bending process, in addition, the upper and lower bending knives are respectively provided with a calibration face as a movable positioning face, the position of the plate can be more conveniently positioned under certain conditions, the flexible bending can be better completed, the bending work of the arc plate face can be better completed, and more accurate bending shapes with more angles can be obtained on the premise of not changing the shape of the bending knife; in addition, the upper pressing knife in the device is detachably mounted through a lever structure, so that the characteristic that the upper pressing knife on the single body is convenient to replace can be realized, and the upper pressing knife is convenient to detach, maintain and replace;
(3) the invention is also provided with a feeding and discharging integrated device which has the feeding work in the early stage, the feeding work in the middle bending stage and the discharging work after the later bending is finished, the feeding and discharging driving device drives the plate to move to the positions of the upper and lower pressing knives, the plate is fixed by a locking mechanism composed of a sucker, the height of the plate can be adjusted through the lifting mechanism and the lifting platform, which is very important in the processes of feeding, discharging and feeding, the height can be adjusted to be flush with the height position of the lower pressing knife during feeding, the plate can be placed on the lower pressing knife and fixed by the lower pressing knife, the bent part of the plate material can be bent downwards after being bent, so that blanking cannot be performed if the plate material and the lower bending knife are kept at the original feeding position, and the plate material can be safely and conveniently blanked after the height of the plate material is adjusted; in addition, the suction force is relieved during blanking through the feeding and blanking of the sucker, and the feeding and blanking are very convenient; in addition, the angle of the plate can be adjusted through the arranged rotating mechanism, the polygonal plate bending is very effective, and the angular back clearance of the motor during operation can be effectively eliminated through the arranged clearance eliminating spring in the rotating mechanism, so that the rotating angle of the rotating mechanism is more accurate.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall construction of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a view taken along line C of FIG. 2;
FIG. 5 is a structural diagram of an integrated loading and unloading system of the present invention;
FIG. 6 is a structural view of a loading/unloading driving device according to the present invention;
FIG. 7 is a structural diagram of a lifting rear positioning device according to the present invention;
FIG. 8 is a view showing the structure of the rail-type side positioning device according to the present invention;
FIG. 9 is an enlarged view taken at A in FIG. 2;
FIG. 10 is an enlarged view of FIG. 2 at B;
FIG. 11 is a view showing a structure of the cooperation between the upper and lower pressing blades and the upper and lower bending blades of the present invention;
FIG. 12 is a view showing a structure of a vertical bending blade according to the present invention;
Fig. 13 is a bent plate bent by the bending machine of the present invention;
FIG. 14 is a side view of the bent slab of FIG. 13;
FIG. 15 is a view of the bending process of FIG. 13 for bending one end of the sheet;
FIG. 16 is a view of the bending process of FIG. 13 for bending the other end of the slab.
Detailed Description
the present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
as shown in fig. 1 and 2, a multi-axis driving bending machine comprises a bending system and an integrated feeding and discharging system; the bending system comprises a horizontal bending driving device 1, and a horizontal bending shaft 2 arranged in the horizontal direction is installed on the horizontal bending driving device 1; the horizontal bending shaft 2 is provided with a linkage bracket 3; and the upper end of the linkage support 3 is also provided with an up-and-down bending driving device 4, the up-and-down bending driving device 4 is provided with an up-and-down bending shaft 5 in the vertical direction, the shaft end of the up-and-down bending shaft 5 is provided with a bending knife support 6, and the upper end and the lower end of the bending knife support 6 are respectively provided with an upper bending knife 7 and a lower bending knife 8 which correspond to each other in the up-and-down position.
As shown in fig. 4, the integrated feeding and discharging system includes a feeding and discharging driving device 9, a driving direction of the feeding and discharging driving device 9 corresponds to positions of the upper and lower bending knives, a lifting mechanism 10 is further installed on the feeding and discharging driving device 9, and a rotating mechanism 11 is installed on the lifting mechanism 10 in a linkage manner; the shaft end of the rotating shaft of the rotating mechanism 11 is provided with a locking mechanism 12, and the locking mechanism 12 corresponds to the height positions of the upper bending knife and the lower bending knife.
as shown in fig. 2, the bending system further includes a downward-pressing driving lifting device 13, the downward-pressing driving lifting device 13 is vertically arranged, a downward-pressing shaft 14 of the downward-pressing driving lifting device 13 extends downward, and a pressing plate 15 is mounted at the shaft end of the downward-pressing driving lifting device 13; the press plate 15 is provided with a detachable upper press knife 16, and a lower press knife 17 fixedly arranged below the upper press knife 16; the upper and lower bending blades correspond to the upper and lower pressing blades, and the locking mechanism 12 corresponds to the upper and lower pressing blades.
As shown in fig. 9, 11 and 12, the upper pressing blade 16 and the lower pressing blade 17 are provided with pressing heads 18 protruding to one side; the upper bending knife 7 and the lower bending knife 8 are arranged on one side of the upper pressing knife and the lower pressing knife, from which the pressing head 18 extends, and the upper pressing knife and the lower pressing knife are arranged between the upper bending knife and the lower bending knife; and the blade parts of the upper bending knife and the lower bending knife are provided with inclined planes 19 matched with the pressure head 18; the end part of the inclined plane 19 is provided with a calibration surface 20, the calibration surface 20 is a top and bottom surface structure all the time, and the extending end part of the calibration surface 20 is correspondingly provided with a bending surface 21; the cross section of the bending surface 21 is a circular cross section structure on the macroscopic level, and can also be set to be a corresponding similar circular structure, including an elliptical cross section or an arc cross section structure.
as shown in fig. 10, a knife pressing groove 22 is further provided at the lower end of the pressing plate 15, and a locking groove 23 recessed inward is further provided in the knife pressing groove 22; the side wall of the upper pressure plate 15 of the cutter pressing groove 22 is also provided with a row of rotary ball shafts 24 which extend outwards; a press block 25 in a lever structure is arranged on each rotating spherical shaft 24, and the lower end of the press block 25 corresponds to the position of the cutter pressing groove 22; the upper pressing knives 16 are arranged into a single pressing knife structure matched with the rotary spherical shaft 24 and the pressing block 25, the upper end of each upper pressing knife 16 is provided with a corresponding clamping block 26, the upper end of each upper pressing knife 16 is matched and installed in the pressing knife groove 22, the clamping blocks 26 are correspondingly clamped in the clamping grooves 23, and all the upper pressing knives 16 are installed to form the integral upper pressing knife; a jacking assembly 27 is further arranged between the inner side of the upper end of the pressing block 25 and the side wall of the pressing plate 15, and the lower end of the pressing plate 15 is tightly pressed on the upper pressing knife 16 under the principle of the jacking assembly 27 and a lever structure, so that the upper pressing knife 16 can be detachably fixed on the pressing plate 15; and the jacking component 27 is formed by installing a jacking spring and a locking bolt, and the lever jacking action of the pressing block 25 is realized under the action of the jacking spring and the locking bolt.
As shown in fig. 4, 5 and 6, a driving platform 92 is mounted on the driving rod 91 of the loading and unloading driving device 9; the two sides of the driving platform 92 are respectively provided with a lifting mechanism 10; the lifting rod of the lifting mechanism 10 is provided with a lifting platform 28; the lower end of the lifting platform 28 is hung with a rotating mechanism 11; the rotating shaft of the rotating mechanism 11 extends out of the lifting platform 28, and the shaft end of the rotating shaft is provided with a rotating platform 29; the rotating platform 29 is provided with a locking mechanism 12, the rotating angle of the locking mechanism 12 on the rotating platform 29 can be rotationally adjusted through a rotating mechanism 11, the height of the rotating platform can be vertically adjusted through a lifting mechanism 10, and the front and rear positions of the rotating platform can be adjusted through a loading and unloading driving device 9; and the lifting platform 28 is also provided with an anti-backlash spring 30; one end of the anti-backlash spring 30 is fixed to the rotating shaft of the rotating mechanism 11, and the other end is fixed to the lifting platform 28.
As shown in fig. 6, the feeding and discharging driving device 9 may be configured as a screw driving device, the driving rod 91 is configured as a driving screw, and driving guide rails 93 are further disposed on two sides of the feeding and discharging driving device 9; the middle of the driving platform 92 is arranged on the driving screw rod through a threaded hole, and the two sides of the driving platform are correspondingly arranged on the driving guide rail 93; the lifting mechanism 10 is set as a lifting cylinder, and the rotating mechanism 11 is set as a rotating motor; the feeding and discharging driving device 9 of the device can also be set as a synchronous belt driving device; the locking mechanism 12 can be a suction cup assembly with a negative pressure adsorption function or an electromagnet assembly which is adsorbed by magnetic force, and the locking and fixing functions of the plate can be conveniently realized.
As shown in fig. 5, the present invention further includes a loading and unloading table 31; the feeding and discharging workbench 31 corresponds to the height position of the fixedly arranged lower pressing knife 17, and the middle part of the feeding and discharging workbench 31 is provided with a dual-purpose groove 32 integrating a feeding groove and a discharging groove; the feeding driving device 9 is arranged below the dual-purpose groove 32; and the rotatable platform 29 and the locking mechanism 12 mounted thereon can be adjusted up and down through the dual-purpose slot 32.
As shown in fig. 7, a lifting rear positioning device 33 is disposed at the rear end of the dual-purpose groove 32 on the loading and unloading platform 31, the lifting rear positioning device 33 includes a horizontal positioning rail 331 installed on the loading and unloading work platform 31, an electric slider 332 installed on the horizontal positioning rail 331, and a positioning lifting mechanism 333 installed on the electric slider 332, and a positioning clamping strip 334 is installed on a lifting rod of the positioning lifting mechanism 333; the loading and unloading platform 31 is provided with a positioning groove 37 corresponding to the positioning clamping strip 334, and the positioning clamping strip 334 can move up and down and left and right in the positioning groove 37; and the combination of the electric slider 332, the positioning lifting mechanism 332 and the positioning clamping strip 334 is at least provided with two sets on the horizontal positioning guide rail 331; the rear end position of the sheet material can be effectively positioned through the lifting type rear positioning device, the position of the positioning lifting mechanism 333 can be effectively adjusted under the driving of the electric sliding block 332 according to the width of the sheet material, the position is adjusted to be suitable for the width, the positioning clamping strip 334 can be hidden in the positioning groove 37 through the positioning lifting mechanism 333, and the use is convenient.
As shown in fig. 8, one side of the dual-purpose groove 32 is further provided with a rail-type side positioning device 34; the rail-type side positioning device 34 comprises a positioning driving device 341, a positioning driving rod 342 on the positioning driving device 341, a positioning driving track 343, and a positioning platform 344 mounted on the positioning driving rod 342 and the positioning driving track 343; the positioning platform 344 is provided with a positioning lifting mechanism 331, and the upper end of the positioning lifting mechanism 331 is provided with a positioning block 345; the loading and unloading platform 31 is further provided with a positioning groove 37 corresponding to the positioning block 345; the positioning block 345 can move back and forth in the positioning slot 37 and can move up and down; the other table surfaces of the loading and unloading platform 31 are embedded with loading and unloading auxiliary transport mechanisms 35; the auxiliary feeding and discharging conveying mechanism 35 can be a ball structure or a brush structure, and can facilitate the auxiliary transportation of the plates.
As shown in fig. 2, further includes a bending fixing base 36; the horizontal bending driving device 1 is at least provided with a set of corresponding horizontal devices which are arranged on a bending fixed base 36; at least one set of upper and lower bending driving devices 1 on the linkage support 3 is arranged; the downward pressing driving lifting device 13 is at least provided with one set and correspondingly arranged above the bending fixed base 36; the lower pressing knife 17 is fixedly arranged on the bending fixed base 36 and is positioned on the same upper and lower surfaces corresponding to the upper bending knife 16 above; the upper bending knife 7 and the lower bending knife 8 are correspondingly arranged up and down, and the positions of the upper bending knife 7 and the lower bending knife 8 can be arranged on the same vertical plane or staggered up and down; this arrangement is set according to the specific bending requirements.
When the positioning device is used specifically, a sheet material is placed on the feeding and discharging platform, the positioning clamping strip of the lifting type rear positioning device is lifted to position the rear end of the sheet material, the position of the positioning block on the guide rail type side positioning device is adjusted, the positioning block extends out of the positioning groove through the positioning lifting mechanism, the position of the positioning block is adjusted through the positioning driving device, the side end position of the sheet material is positioned, and therefore the whole sheet material is positioned on the feeding and discharging platform.
Then, the lifting platform is lifted to a position where the locking mechanism is contacted with the plate by the lifting mechanism on the feeding and discharging driving device, and the locking mechanism and the rotating platform can be positioned at the position which is level with the feeding and discharging platform or positioned below the two through grooves; and controlling the locking mechanism to suck the lower end surface of the plate so as to position and fix the plate.
The feeding and discharging driving device is started to move forwards to send one end face of the plate material to the position between the upper pressing knife and the lower pressing knife, the sucking disc and the rotating platform move from the two-way groove in the process, other parts of the plate material move through the upper ball structure and the lower ball structure, and feeding and discharging movement is smooth.
Then, the upper pressing knife is adjusted to be pressed down on the plate by a pressing driving lifting device, so that the fed plate is fixed between the upper pressing knife and the lower pressing knife; the height position of the lower pressing knife corresponds to the position of the loading and unloading platform, and the height of the plate can be adjusted by the lifting mechanism even if the plate is deviated, so that the plate can be placed on the lower pressing knife in a matching manner; the upper pressing cutter is detachably mounted in a lever type structure through the rotating spherical shaft, the pressing block and the jacking assembly, when one upper pressing cutter needs to be replaced, the upper part of the pressing block is pressed to compress the jacking assembly, the pressing force of the lower end of the pressing block is eliminated, and the upper pressing cutter can be taken out and replaced or maintained and detached conveniently.
After the upper and lower pressing knives compress the end part of the plate, the bending of the bending piece with any shape, any angle and flexible radian can be completed by the coordination and adjustment of the two bending drives, the downward pressing and fixing and loosening of the upper pressing knife and the feeding and feeding actions of the upper and lower feeding drives under the control of the downward pressing and lifting drives.
As shown in fig. 13 and 14, the bending structure of the two ends of the plate is completed by bending through the bending machine of the present invention, and fig. 15 and 16 are the bending process of the plate; the method comprises the steps that firstly, the end part of a plate is sent to a section of set length by a feeding and discharging driving device, a lower bending knife moves upwards, the plate of the section of the plate is bent upwards to form a right angle, then the lower bending knife is adjusted downwards to a proper position, an upper pressing knife is loosened upwards, a locking mechanism at the moment is used for adsorbing and fixing the plate all the time, the plate is fed forwards by a section of set length, after the upper pressing knife presses down to fix the plate, the lower bending knife moves upwards to press the plate fed by the section to form a right angle, whether the plate is pressed to form the right angle or not is set according to the position of the upper and lower moving of the bending knife, the angles of the plate bent by the upper and lower bending knives on the upper and lower pressing knives can be finished by program control, and the plate; therefore, the plate can be bent into a required shape and angle by repeating the steps; when the flexible arc shape is bent, the driving devices in the vertical direction and the horizontal direction are required to be linked to enable the bending head to move in an arc contour, and then the flexible bending can be completed.
the feeding and discharging driving device not only can perfectly adapt to three bending stages, but also has a height up-down adjusting function and a rotation adjusting function, can finish bending of polygonal plates, and can be bent only by rotating to a specified angle through the rotating mechanism after each edge is bent and then feeding the polygonal plates into the bending mechanism; in the process of rotating the rotating mechanism, the device is additionally provided with an anti-backlash spring, and the anti-backlash spring is fixed with a shaft of a rotating platform which can rotate and a lifting platform which does not rotate, so that the back seam in the rotating mechanism is permanently kept on the same side through the rotating force of the spring, the angular back clearance of a rotating motor which is commonly used as the rotating mechanism is eliminated, and the rotating angle of the rotating mechanism is adjusted more accurately.
The above-described embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the scope of the invention, but rather as equivalent variations and modifications as possible within the scope of the invention as described in the claims of the present application.
Claims (13)
1. the utility model provides a multiaxis drive bender which characterized in that: the bending machine comprises a bending system and an integrated feeding and discharging system; the bending system comprises a horizontal bending driving device (1), and a horizontal bending shaft (2) arranged in the horizontal direction is installed on the horizontal bending driving device (1); the horizontal bending shaft (2) is provided with a linkage bracket (3); an upper bending driving device (4) and a lower bending driving device (4) are further arranged at the upper end of the linkage support (3), an upper bending shaft (5) and a lower bending shaft (5) in the vertical direction are mounted on the upper bending driving device and the lower bending driving device (4), a bending knife support (6) is mounted at the shaft end of the upper bending shaft (5) and the shaft end of the lower bending shaft (5), and an upper bending knife (7) and a lower bending knife (8) which correspond to each other in the upper position and the lower position are respectively mounted at the upper end and the lower end of the bending knife support;
the integrated feeding and discharging system comprises a feeding and discharging driving device (9), the driving direction of the feeding and discharging driving device (9) corresponds to the positions of the upper bending knife and the lower bending knife, a lifting mechanism (10) is further installed on the feeding and discharging driving device (9), and a rotating mechanism (11) is installed on the lifting mechanism (10) in a linkage mode; the shaft end of a rotating shaft of the rotating mechanism (11) is provided with a locking mechanism (12), and the locking mechanism (12) corresponds to the height positions of the upper bending knife and the lower bending knife.
2. Multi-axis drive bending machine according to claim 1, wherein: the bending system further comprises a downward pressing driving lifting device (13), the downward pressing driving lifting device (13) is vertically arranged, a downward pressing shaft (14) of the downward pressing driving lifting device (13) extends downwards, and a pressing plate (15) is mounted at the shaft end of the downward pressing driving lifting device; a detachable upper pressing knife (16) is arranged on the pressing plate (15), and a lower pressing knife (17) is arranged below the upper pressing knife (16); the positions of the upper bending knife and the lower bending knife correspond to the positions of the upper pressing knife and the lower pressing knife, and the positions of the locking mechanism (12) correspond to the positions of the upper pressing knife and the lower pressing knife.
3. multi-axis drive bending machine according to claim 2, wherein: the upper pressing knife (16) and the lower pressing knife (17) are both provided with pressing heads (18) extending towards one side; the upper bending knife (7) and the lower bending knife (8) are arranged on one side, extending out of the pressure head (18), of the upper pressing knife and the lower pressing knife, and the upper pressing knife and the lower pressing knife are arranged between the upper bending knife and the lower bending knife; inclined planes (19) matched with the pressure head (18) are arranged at the knife bodies of the upper bending knife and the lower bending knife; the end part of the inclined plane (19) is provided with a calibration surface (20), the calibration surface (20) is of an upper and lower surface structure all the time, and the extending end part of the calibration surface (20) is also provided with a corresponding bending surface (21).
4. Multi-axis drive bending machine according to claim 3, wherein: the section of the bending surface (21) is correspondingly set to be a circular section, an arc section or an oval section.
5. multi-axis drive bending machine according to claim 2, wherein: a pressure knife groove (22) is arranged at the lower end part of the pressure plate (15), and a clamping groove (23) which is concave inwards is arranged in the pressure knife groove (22); the side wall of the pressure plate (15) is provided with a row of rotary ball shafts (24) which extend outwards; each rotating ball shaft (24) is provided with a pressing block (25), and the lower end of each pressing block (25) corresponds to the position of the cutter pressing groove (22); the upper pressing knives (16) are arranged into a single pressing knife structure matched with the rotary spherical shaft (24) and the pressing block (25), the upper end of each upper pressing knife (16) is provided with a corresponding clamping block (26), the upper end of each upper pressing knife (16) is installed in the pressing knife groove (22) in a matched mode, the clamping blocks (26) are correspondingly clamped in the clamping grooves (23), and the upper pressing knives (16) are installed to form the integral upper pressing knife; a jacking assembly (27) is further arranged between the inner side of the upper end of the pressing block (25) and the side wall of the pressing plate (15), and the lower end of the pressing plate (15) is tightly pressed on the upper pressing knife (16) under the principle effect of the jacking assembly (27) and a lever structure, so that the upper pressing knife (16) can be detachably fixed on the pressing plate (15).
6. Multi-axis drive bending machine according to claim 1, wherein: a driving platform (92) is arranged on a driving rod (91) of the feeding and discharging driving device (9); two sides of the driving platform (92) are respectively provided with a lifting mechanism (10); a lifting platform (28) is arranged on a lifting rod of the lifting mechanism (10); the lower end of the lifting platform (28) is hung with a rotating mechanism (11); a rotating shaft of the rotating mechanism (11) extends out of the lifting platform (28), and a rotating platform (29) is arranged at the shaft end of the rotating shaft; the rotating platform (29) is provided with a locking mechanism (12), the rotating angle of the locking mechanism (12) on the rotating platform (29) can be rotationally adjusted through a rotating mechanism (11), the height of the locking mechanism can be vertically adjusted through a lifting mechanism (10), and the front and back positions of the locking mechanism can be adjusted through a loading and unloading driving device (9).
7. Multi-axis drive bending machine according to claim 6, wherein: the lifting platform (28) is also provided with an anti-backlash spring (30); one end of the anti-backlash spring (30) is fixed on a rotating shaft of the rotating mechanism (11), and the other end is fixed on the lifting platform (28).
8. multi-axis drive bending machine according to claim 6, wherein: the feeding and discharging driving device (9) is set to be a screw driving device or a synchronous belt driving device, the driving rod (91) is set to be a driving screw, and driving guide rails (93) are further arranged on two sides of the feeding and discharging driving device (9); the middle of the driving platform (92) is arranged on the driving screw rod through a threaded hole, and the two sides of the driving platform are correspondingly arranged on the driving guide rail (93); and the lifting mechanism (10) is set as a lifting cylinder, and the rotating mechanism (11) is set as a rotating motor.
9. Multi-axis drive bending machine according to claim 6, wherein: the feeding and discharging driving device (9) is a synchronous belt driving device; the locking mechanism (12) is set to be a sucker component with an air suction negative pressure function or an electromagnet component.
10. Multi-axis drive bending machine according to claim 6, wherein: also comprises a feeding and discharging workbench (31); the feeding and discharging workbench (31) corresponds to the height position of a fixedly arranged lower pressing knife (17), and the middle part of the feeding and discharging workbench (31) is provided with a dual-purpose groove (32) integrating a feeding groove and a discharging groove; the feeding driving device (9) is arranged below the dual-purpose groove (32); and the rotary platform (29) and the locking mechanism (12) arranged on the platform can be adjusted up and down through the dual-purpose groove (32).
11. Multi-axis drive bending machine according to claim 10, wherein: the rear end of the dual-purpose groove (32) on the loading and unloading platform (31) is provided with a lifting rear positioning device (33), the lifting rear positioning device (33) comprises a horizontal positioning guide rail (331) arranged on the loading and unloading working platform (31), an electric slide block (332) arranged on the horizontal positioning guide rail (331) and a positioning lifting mechanism (333) arranged on the electric slide block (332), and a positioning clamping strip (334) is arranged on a lifting rod of the positioning lifting mechanism (333); the loading and unloading platform (31) is provided with a positioning groove (37) corresponding to the positioning clamping strip (334), and the positioning clamping strip (334) can move up and down and left and right in the positioning groove (37); and the combination of the electric slide block (332), the positioning lifting mechanism (332) and the positioning clamping strip (334) is at least provided with two sets of horizontal positioning guide rails (331);
one side of the dual-purpose groove (32) is also provided with a guide rail type side positioning device (34); the rail-type side positioning device (34) comprises a positioning driving device (341), a positioning driving rod (342) on the positioning driving device (341), a positioning driving track (343) and a positioning platform (344) arranged on the positioning driving rod (342) and the positioning driving track (343); a positioning lifting mechanism (331) is arranged on the positioning platform (344), and a positioning block (345) is arranged at the upper end of the positioning lifting mechanism (331); the loading and unloading platform (31) is also provided with a positioning groove (37) corresponding to the positioning block (345); the positioning block (345) can move back and forth in the positioning groove (37) and can move up and down; and the rest table surfaces of the loading and unloading platform (31) are embedded with loading and unloading auxiliary transport mechanisms (35), and the loading and unloading auxiliary transport mechanisms (35) are of ball structures or brush structures.
12. multi-axis drive bending machine according to claim 2, wherein: the bending fixing base (36) is further included; the horizontal bending driving device (1) is at least provided with a set of corresponding horizontal driving devices which are horizontally arranged on a bending fixed base (36); at least one set of upper and lower bending driving devices (1) on the linkage support (3) is arranged; the downward pressing driving lifting device (13) is at least provided with one set and is correspondingly arranged above the bending fixed base (36); the lower pressing knife (17) is fixedly arranged on the bending fixed base (36) and is positioned on the same vertical plane corresponding to the position of the upper bending knife (16) above; the upper bending knife (7) and the lower bending knife (8) are vertically positioned on the same vertical plane or are arranged in a vertically staggered manner.
13. a bending method in a multi-axis driven bending machine according to claims 1-10, wherein: the method comprises the following steps:
1) Firstly, adjusting the relative positions of an upper pressing knife and a lower pressing knife; adjusting the positions of the upper bending knife and the lower bending knife relative to the upper pressing knife and the lower pressing knife; adjusting the position of a feeding and discharging driving device; adjusting the height of the lifting platform and the position of the locking mechanism;
2) Placing the plate on a loading and unloading platform, firstly lifting a positioning clamping strip of a lifting rear positioning device, positioning the rear end of the plate through the positioning clamping strip, then adjusting the position of a positioning block on a guide rail type side positioning device, and positioning the lateral position of the plate through the positioning block;
3) the lifting platform is lifted to the position where the locking mechanism is contacted with the plate through the lifting mechanism on the feeding and discharging driving device, and the plate is locked and fixed by using the locking mechanism; the locking mechanism can be arranged as a sucker, and the sucker generates negative pressure to suck the plate by the negative pressure principle; the locking mechanism can also be arranged as an electromagnet, and the sheet is fixed by the suction force of the electromagnet;
4) The plate fixed on the adsorption mechanism is transferred to the position between the upper pressing knife and the lower pressing knife through the feeding and discharging driving device, and one end of the plate extends into the position between the upper pressing knife and the lower pressing knife;
5) the position of the upper pressing knife is adjusted by a downward pressing driving lifting device, so that the upper pressing knife is pressed on the plate material, and the plate material presses the lower pressing knife, so that the fed plate material is fixed between the upper pressing knife and the lower pressing knife;
6) after the upper and lower pressing knives compress the end part of the plate, the horizontal bending driving device, the upper and lower bending driving device are adjusted in a matching way, the pressing fixing and loosening of the upper pressing knife are controlled by the pressing lifting driving device, and the feeding and feeding actions of the feeding and discharging driving are controlled, so that the bending of the bending piece with any shape, any angle and flexible radian is completed.
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| CN201811123882.5A CN110538899B (en) | 2018-09-26 | 2018-09-26 | Multi-shaft driving bending machine and bending method thereof |
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| CN201811123882.5A CN110538899B (en) | 2018-09-26 | 2018-09-26 | Multi-shaft driving bending machine and bending method thereof |
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| CN110538899A true CN110538899A (en) | 2019-12-06 |
| CN110538899B CN110538899B (en) | 2024-04-02 |
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| CN114160691B (en) * | 2022-02-11 | 2022-05-06 | 瑞铁机床（苏州）股份有限公司 | Bending center front feeding equipment |
| CN114345999B (en) * | 2022-03-18 | 2022-06-14 | 南通航力重工股份有限公司 | Numerical control bender based on intelligent sensor |
| CN114345999A (en) * | 2022-03-18 | 2022-04-15 | 南通航力重工股份有限公司 | Numerical control bender based on intelligent sensor |
| CN117655696A (en) * | 2024-01-31 | 2024-03-08 | 南通尧成机械设备制造有限公司 | Multi-type pressing block replacement device of profile bending machine and implementation method thereof |
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