CN114192613A

CN114192613A - Feeding and discharging device of bending machine

Info

Publication number: CN114192613A
Application number: CN202111450558.6A
Authority: CN
Inventors: 蔡青
Original assignee: Hunan Qinfeng Robot Co ltd
Current assignee: Hunan Qinfeng Robot Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-03-18
Anticipated expiration: 2041-12-01
Also published as: CN114192613B

Abstract

The invention provides a loading and unloading device of a bending machine, which comprises a rack, wherein a first end and a second end of the rack are respectively provided with a loading bin and a receiving bin of a plate, a bending positioning assembly is arranged between the loading bin and the receiving bin, a transverse moving material taking assembly is erected on the rack, the stroke of the transverse moving material taking assembly is connected with the loading bin, the bending positioning assembly and the receiving bin, the plate is transferred between the loading bin and the bending positioning assembly and between the bending positioning assembly and the receiving bin, a positioning mechanism of the bending positioning assembly positions the plate, a rotary correcting mechanism adjusts the position of the plate relative to the bending machine, a front telescopic mechanism and a rear telescopic mechanism adjust the distance between the plate and the bending machine, an inclination angle of the plate relative to the bending machine is adjusted by an inclination correcting mechanism, the plate can be bent for multiple times at different positions, the connection and the plate is compact in matching, and the automatic control is adopted, so that the adjustment is more convenient and more accurate compared with the adjustment of a conventional plate loading mechanism.

Description

Feeding and discharging device of bending machine

Technical Field

The invention relates to the technical field of bending processing, in particular to a feeding and discharging device of a bending machine.

Background

The bending machine is a machine capable of bending plates, the hydraulic bending machine comprises a support, a workbench and a clamping plate, the workbench is arranged on the support and comprises a base and a pressing plate, the base is connected with the clamping plate through a hinge, the base comprises a seat shell, a coil and a cover plate, the coil is arranged in a recess of the seat shell, and the cover plate covers the top of the recess. When the clamping device is used, the coil is electrified by the lead, and the attraction is generated on the pressing plate after the coil is electrified, so that the thin plate between the pressing plate and the base is clamped. The bending die of the bending machine can be replaced to meet the requirements of various workpieces.

Need be with panel material loading to corresponding position and location during the bender operation, still rely on conventional feed mechanism material loading among the prior art usually, efficiency is not high, is difficult to adapt to large-scale industrial automation processing. In addition, the plate is usually required to be bent at a plurality of bending positions, and after the plate is bent once, the plate needs to be turned over and the angle of the plate needs to be adjusted by means of an additionally arranged manipulator and the like, so that the control difficulty and the use cost are increased.

It should be noted that the above background description is only for the convenience of clear and complete description of the technical solutions of the present application and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present application.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a device which is specially matched with a bending machine and can automatically feed and discharge plates and adjust the bending position of the plates so as to improve the bending processing efficiency and quality.

In order to achieve the purpose, the invention provides a loading and unloading device for a bending machine, which comprises a rack for supporting and fixing, wherein a first end and a second end of the rack are respectively provided with an upper bin and a receiving bin of plates, a bending positioning assembly is arranged between the upper bin and the receiving bin, the rack is provided with a transverse moving material taking assembly, the stroke of the transverse moving material taking assembly is connected with the upper bin, the bending positioning assembly and the receiving bin, the plates are transferred between the upper bin and the bending positioning assembly and between the bending positioning assembly and the receiving bin, the bending positioning assembly comprises a positioning mechanism, a rotation correcting mechanism, a front and back telescopic mechanism and an inclination correcting mechanism, the positioning mechanism positions the plates, the rotation correcting mechanism adjusts the direction of the plates relative to the bending machine, the front and back telescopic mechanism adjusts the distance between the plates relative to the bending machine, the inclination correcting mechanism adjusts the inclination angle of the plate relative to the bending machine.

The feeding bin comprises a plurality of vertically arranged bin limiting arms and a jacking mechanism arranged between the bin limiting arms, the bin limiting arms are used for positioning the feeding position of the plates, and the jacking mechanism comprises a material carrying plate and a first lead screw driving part which is arranged at the bottom end of the material carrying plate and used for driving the material carrying plate to lift; the receiving bin and the feeding bin have the same structure.

Furthermore, the transverse moving material taking assembly comprises a transverse moving mechanism and an upper material taking mechanism and a lower material taking mechanism, the transverse moving mechanism comprises a transverse moving support and a transverse moving guide rail arranged on the transverse moving support, a transverse moving sliding plate is arranged on the transverse moving guide rail in a sliding mode, a transverse moving slider is arranged at the bottom end of the transverse moving sliding plate and is connected with the transverse moving guide rail in a sliding mode, a transverse moving driving motor is arranged on the transverse moving sliding plate, an output shaft of the transverse moving driving motor is connected with a first driving gear, the first driving gear is meshed with a first rack arranged on the transverse moving support, and the upper material taking mechanism and the lower material taking mechanism are arranged on the transverse moving sliding plate.

Furthermore, a lifting notch is formed in the transverse moving sliding plate, the upper material taking mechanism and the lower material taking mechanism comprise lifting installation cylinders and lifting stand columns movably arranged in the lifting installation cylinders, the bottom ends of the lifting installation cylinders are fixed to the edges of the lifting notch, the lifting stand columns are connected with second lead screw driving portions arranged on the lifting installation cylinders, material taking installation plates are arranged at the bottom ends of the lifting stand columns, a plurality of material taking suckers are arranged on the lower surfaces of the material taking installation plates, the material taking suckers adsorb the plates through vacuum action, a plurality of lifting guide rails are further arranged on the outer side walls of the lifting stand columns, a plurality of lifting slide blocks are correspondingly arranged on the inner side walls of the lifting installation cylinders, and the lifting slide blocks are connected with the lifting guide rails in a sliding mode.

Further, positioning mechanism is in including location mounting disc and setting the location sucking disc of location mounting disc upper surface, the location sucking disc passes through the vacuum action and adsorbs to panel, rotatory aligning gear includes rotatory speed reduction base, the transmission shaft of location mounting disc bottom pass through the bearing with rotatory speed reduction base rotates and connects, the transmission shaft cover of location mounting disc is equipped with preceding synchronizing wheel, preceding synchronizing wheel passes through belt transmission with the back synchronizing wheel and is connected, back synchronizing wheel is connected with rotary servo motor's output shaft.

Further, telescopic machanism includes telescopic mounting panel and sets up telescopic guide of telescopic mounting panel upper surface around, it is provided with the expansion plate to slide on the telescopic guide, the bottom of expansion plate is provided with the flexible link slider, flexible link slider with telescopic guide sliding connection, the expansion plate simultaneously with third lead screw drive portion on the telescopic mounting panel is connected, rotatory speed reduction base is fixed the fashioned mounting hole position of expansion plate, the back synchronizing wheel with the expansion plate rotates to be connected, rotatory servo motor with expansion plate fixed connection.

Further, the inclination correction mechanism comprises a first lifting transmission module and a second lifting transmission module, the first lifting transmission module is hinged to the lower surface of the telescopic mounting plate through a first hinge structure, the second lifting transmission module is hinged to the lower surface of the telescopic mounting plate through a second hinge structure, two hinge points of the telescopic mounting plate are located at different height positions to generate inclination, and the first lifting transmission module and the second lifting transmission module are both installed on the supporting plate.

Further, first lift transmission module includes first lifter plate, it is provided with first lift mounting panel to slide on the first lifter plate, be provided with fourth lead screw drive portion on the first lifter plate, fourth lead screw drive portion is connected with first lift mounting panel, first lift mounting panel with the layer board is fixed, fourth lead screw drive portion drive first lifter plate for the layer board goes up and down, first hinge structure sets up the top of first lifter plate.

Further, the second lifting transmission module comprises a second lifting plate, a second lifting mounting plate is arranged on the second lifting plate in a sliding mode, a second rack is arranged on the second lifting plate, a second gear corresponding to the second rack is arranged on the second lifting mounting plate, the second gear is in transmission connection with a lifting driving motor on the second lifting mounting plate, the second lifting mounting plate is fixed to the supporting plate, the lifting driving motor drives the second lifting plate to lift relative to the supporting plate, and a second hinge structure is arranged at the top end of the second lifting plate.

Furthermore, the first hinge structure comprises a first hinge seat, the first hinge seat is fixedly connected with the first lifting plate, the first hinge seat is provided with two first hinge arms which are distributed oppositely, the tail end of each first hinge arm is provided with a shaft hole and is provided with a first hinge pin shaft, and the first hinge pin shaft is rotatably connected with a first hinge block on the lower surface of the telescopic mounting plate; the second hinge structure includes the articulated seat of second, the articulated seat of second with second lifter plate fixed connection, the articulated seat of second is provided with the articulated arm of second of two relative branches, the articulated pin axle of shaft hole and installation second has been seted up to the end of the articulated arm of second, the articulated pin axle of second rotates with articulated slider to be connected, articulated slider with the articulated adjustment guide rail sliding connection of flexible mounting panel lower surface.

The scheme of the invention has the following beneficial effects:

according to the feeding and discharging device of the bending machine, plates stacked and fed to the upper storage bin are sequentially conveyed to the bending positioning assembly through the transverse moving material taking assembly erected on the rack, the plates bent by the bending positioning assembly are conveyed to the lower storage bin for blanking, the positioning mechanism of the bending positioning assembly positions the plates, the rotating correction mechanism adjusts the position of the plates relative to the bending machine, the front and rear telescopic mechanisms adjust the distance between the plates relative to the bending machine, the inclination angle of the plates relative to the bending machine is adjusted by the inclination correction mechanism, in addition, the plates can rotate for multiple times by the rotating correction mechanism, different bending lines move to the punching position of the bending machine by matching with the front and rear telescopic mechanisms and the like, the plates are bent for multiple times, the connection and the matching are compact, and the feeding device is controlled in an automatic mode, and compared with a conventional plate feeding mechanism, the adjustment is more convenient and accurate;

other advantages of the present invention will be described in detail in the detailed description that follows.

Drawings

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

FIG. 2 is a schematic view of the traversing mechanism of the present invention;

FIG. 3 is a schematic view of an upper and lower take-off mechanism of the present invention;

FIG. 4 is a schematic view of a bend positioning assembly of the present invention;

FIG. 5 is a schematic view of the positioning mechanism of the present invention;

FIG. 6 is a schematic view of a rotation correction mechanism according to the present invention;

FIG. 7 is a schematic view of the fore and aft telescoping mechanism of the present invention;

FIG. 8 is a schematic view of a tilt correction mechanism of the present invention;

fig. 9 is a schematic view of a first hinge structure of the present invention.

[ description of reference ]

100-a frame; 101-counterweight baseplate; 200-a plate; 300-feeding the material into a bin; 301-bin spacing arm; 302-material carrying plate; 303-a first lead screw drive; 400-a material receiving bin; 500-bending a positioning component; 510-a positioning mechanism; 511-positioning the mounting plate; 512-positioning the sucker; 520-a rotation correction mechanism; 521-a rotating reduction base; 522-front synchronizing wheel; 523-rear synchronizing wheel; 524-rotary servo motor; 530-front and back telescoping mechanism; 531-telescoping mounting plate; 532-telescopic guide rail; 533-expansion plate; 534-telescopic connecting slide block; 535-third lead screw drive; 540-tilt correction mechanism; 541-a first lifting transmission module; 5411-first lifter plate; 5412-first lifting mounting plate; 5413-fourth screw drive; 542-a second lifting transmission module; 5421-second lifter plate; 5422-second lifting mounting plate; 5423-second rack; 5424-second gear; 5425-lifting drive motor; 543-a first hinge structure; 5431-first articulated seat; 5432-first hinge pin; 5433-first hinge block; 544-a second hinge structure; 5441-second hinged seat; 5442-second hinge pin; 5443-hinged slider; 5444-hinged adjustment guide; 545-pallet; 600-traversing reclaiming assembly; 610-a traversing mechanism; 611-traversing the bracket; 612-a traverse guide; 613-a transverse moving sliding plate; 614-sideslip slider; 615-a traverse driving motor; 616-a first drive gear; 617-first rack; 618-lifting notch; 620-upper and lower material taking mechanisms; 621-lifting installation cylinder; 622-lifting upright post; 623-a second lead screw drive; 624-get material mounting plate; 625-a material taking sucker; 626-lifting guide rails; 627-lifting slide block; 700-bending machine.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The various features and embodiments described in the embodiments may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and in order to avoid unnecessary repetition, various possible combinations of features/embodiments in the present invention will not be described in detail.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed, installed, connected, or indirectly disposed and connected through intervening components and intervening structures. In addition, the directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like in the present invention are based on the directions or positional relationships shown in the drawings or the conventional placing states or using states, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the structures, features, devices or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus, cannot be construed as limiting the present invention.

As shown in fig. 1, an embodiment of the present invention provides a loading and unloading device for a bending machine, which includes a frame 100 for supporting and fixing. Wherein, the bottom of the frame 100 is provided with a counterweight bottom plate 101 for lowering the gravity center of the equipment and improving the stability during operation. The first end and the second end of frame 100 set up the last feed bin 300 and the receipts feed bin 400 of panel 200 respectively, go up feed bin 300 and have arranged between the receipts feed bin 400 and bend locating component 500, frame 100 erects sideslip material taking component 600, sideslip material taking component 600's stroke is connected and is gone up feed bin 300, locating component 500 and receipts feed bin 400 bend, shift panel 200 between last feed bin 300 and the locating component 500 that bends, and between locating component 500 that bends and receipts feed bin 400. Therefore, during continuous plate bending, the plates 200 are first stacked and fed into the upper bin 300, the transverse moving material taking assembly sequentially picks up and transfers the plates 200 in the upper bin 300 to the bending positioning assembly 500, the bending positioning assembly 500 feeds the plates 200 into the bending machine 700 to be processed and then returns, the transverse moving material taking assembly 600 transfers the processed plates 200 to the lower bin 400 to be received, and then returns to the upper bin 300 to pick up the next plate 200.

Bending positioning assembly 500 specifically includes positioning mechanism 510, rotation correction mechanism 520, front and back telescopic mechanism 530 and tilt correction mechanism 540, wherein, positioning mechanism 510 fixes a position panel 200, rotation correction mechanism 520 adjusts the position of panel 200 relative to bender 700, i.e. the alignment angle, front and back telescopic mechanism 530 adjusts the interval of panel 200 relative to bender 700, tilt correction mechanism 540 adjusts the inclination of panel 200 relative to bender 700, in addition, rotation correction mechanism 520 still can make panel 200 accomplish many times of rotations, cooperate with front and back telescopic mechanism 530 etc. to make different bending lines move to the punching position of bender 700, carry out bending many times of panel 200, it is more convenient, more accurate to compare in the adjustment of conventional panel feed mechanism.

In this embodiment, the upper silo 300 includes a plurality of vertically disposed silo stopper arms 301, and a jacking mechanism disposed between the silo stopper arms 301. The three bin limiting arms 301 are arranged, and the inner walls of the bin limiting arms enclose an area for limiting the plates 200 so as to position the feeding position of the plates 200. The jacking mechanism comprises a material carrying plate 302 and a first lead screw driving part 303 which is arranged at the bottom end of the material carrying plate 302 and drives the material carrying plate 302 to lift, so that the material carrying plate 302 synchronously rises when stacked plates 200 are sequentially taken away by the transverse moving material taking assembly 600, the uppermost plate 200 is ensured to be positioned at the same height position, the transverse moving material taking assembly 600 can take materials at the fixed position of the upper bin 300, and the material taking reliability is improved while the control is simplified. The receiving magazine 400 has the same structure as the upper magazine 300, and the loading plates are gradually lowered while collecting the slabs 200 and stacking them.

Also as shown in FIG. 2, the traverse take off assembly 600 includes a traverse mechanism 610 and upper and lower take off mechanisms 620. The traverse mechanism 610 includes a traverse bracket 611 and a traverse guide 612 disposed on the traverse bracket 611, and the traverse guide 612 is disposed in two parallel with a certain distance therebetween. A traverse sliding plate 613 is slidably arranged on the traverse guide 612, traverse sliding blocks 614 are arranged at the bottom ends of the two sides of the traverse sliding plate 613, and the traverse sliding blocks 614 are slidably connected with the traverse guide 612. The traverse sliding plate 613 is provided with a traverse driving motor 615, an output shaft of the traverse driving motor 615 is connected with a first driving gear 616, the first driving gear 616 is meshed with a first rack 617 arranged on the traverse bracket 611, and the first rack 617 is arranged in parallel with the traverse guide rail 612. The upper and lower material taking mechanisms 620 are disposed on the traverse slide 613 and can move up and down through the gap between the two traverse rails 612.

The transverse moving sliding plate 613 is provided with a lifting notch 618, and as shown in fig. 3, the upper and lower material taking mechanism 620 includes a lifting installation cylinder 621 and a lifting upright post 622 movably arranged in the lifting installation cylinder 621, the bottom end of the lifting installation cylinder 621 is fixed to the edge of the lifting notch 618, the lifting upright post 622 is connected to a second screw driving part 623 arranged on the lifting installation cylinder 621, and the lifting upright post 622 is driven by the second screw driving part 623 to move relative to the lifting installation cylinder 621, so as to complete actions of lifting material taking, material placing and the like. The bottom of lift stand 622 is provided with gets material mounting panel 624, and the lower surface of getting material mounting panel 624 is provided with a plurality of material sucking discs 625 of getting, gets material sucking discs 625 and relies on the vacuum effect that vacuum tube and vacuum generating device etc. produced to adsorb fixedly to panel 200 to pick up or the blowing panel 200. As a further improvement, the outer side wall of the lifting column 622 is further provided with a plurality of lifting guide rails 626, the inner side wall of the lifting installation cylinder 621 is correspondingly provided with a plurality of lifting sliders 627, and the lifting sliders 627 are slidably connected with the lifting guide rails 626 to guide the displacement of the lifting column 622, so that the lifting column 622 with a large weight after picking up the plate 200 can be accurately and stably displaced.

As shown in fig. 4 and 5, the positioning mechanism 510 includes a positioning mounting plate 511 and a positioning suction cup 512 disposed on the upper surface of the positioning mounting plate 511, and the positioning suction cup 512 is also used for sucking the plate 200 by vacuum action generated by the vacuum tube and the vacuum generating device. The rotation correcting mechanism 520 comprises a rotation speed reducing base 521, a transmission shaft at the bottom end of the positioning installation disc 511 is rotatably connected with the rotation speed reducing base 521 through a bearing, a front synchronizing wheel 522 is sleeved on the transmission shaft of the positioning installation disc 511, the front synchronizing wheel 522 is in transmission connection with a rear synchronizing wheel 523 through a belt, and the rear synchronizing wheel 523 is connected with an output shaft of a rotation servo motor 524. Therefore, the positioning and mounting plate 511 can complete 360-degree rotation under the driving of the rotary servo motor 524, so that the butt joint orientation between the plate 200 sucked and positioned and the bending machine 700 can be flexibly adjusted.

Meanwhile, as shown in fig. 6, the front-rear telescopic mechanism 530 includes a telescopic mounting plate 531 and a telescopic guide rail 532 disposed on an upper surface of the telescopic mounting plate 531, and the telescopic guide rail 532 is also disposed in two parallel and spaced apart from each other. The telescopic guide rail 532 is provided with a telescopic plate 533 in a sliding manner, the bottom ends of the two sides of the telescopic plate 533 are provided with telescopic connection sliders 534, and the telescopic connection sliders 534 are slidably connected with the telescopic guide rail 532. The retractable plate 533 is also connected to the third screw driving unit 535 of the retractable mounting plate 531, and the third screw driving unit 535 drives the retractable plate 533 to displace along the retractable rail 532. The rotary decelerating base 521 is fixed at the position of the mounting hole formed by the telescopic plate 533, the rear synchronizing wheel 523 is rotatably connected with the telescopic plate 533, and the rotary servo motor 524 is fixedly connected with the telescopic plate 533, so that the displacement of the telescopic plate 533 can drive the positioning mounting disc 511 to synchronously displace, and the feeding and discharging actions of the plate 200 to the bending machine 700 are completed.

Referring to fig. 4 again, the tilt calibrating mechanism 540 includes a first lifting transmission module 541 and a second lifting transmission module 542, the first lifting transmission module 541 is hinged to the lower surface of the telescopic mounting plate 531 via a first hinge structure 543, and the second lifting transmission module 542 is hinged to the lower surface of the telescopic mounting plate 531 via a second hinge structure 544. The first lifting transmission module 541 and the second lifting transmission module 542 can independently complete lifting, so that two hinge points of the telescopic mounting plate 531 are located at different height positions, thereby generating a preset angle of inclination and adjusting the inclination angle of the plate 200 relative to the bending machine 700. The first elevation transmission module 541 and the second elevation transmission module 542 are both installed on the fixed supporting plate 545.

Meanwhile, as shown in fig. 7, the first elevation transmission module 541 specifically includes a first elevation plate 5411, a first elevation mounting plate 5412 is slidably disposed on the first elevation plate 5411, a fourth lead screw driving portion 5413 is disposed on the first elevation plate 5411, and the fourth lead screw driving portion 5413 is connected to the first elevation mounting plate 5412. The first lifting mounting plate 5412 is fixed to the supporting plate 545, so that the fourth screw driving part 5413 can drive the first lifting plate 5411 to lift relative to the supporting plate 545, and the first hinge structure 543 is disposed at a top end of the first lifting plate 5411.

Meanwhile, as shown in fig. 8, the second lifting transmission module 542 includes a second lifting plate 5421, a second lifting mounting plate 5422 is slidably disposed on the second lifting plate 5421, a second rack 5423 is disposed on the second lifting plate 5421, a second gear 5424 corresponding to the second rack 5423 is disposed on the second lifting mounting plate 5422, and the second gear 5424 is in transmission connection with a lifting driving motor 5425 on the second lifting mounting plate 5422. The second lifting mounting plate 5422 is fixed to the supporting plate 545, the lifting driving motor 5425 drives the second lifting plate 5421 to lift relative to the supporting plate 545, and the second hinge structure 544 is disposed at a top end of the second lifting plate 5421.

Meanwhile, as shown in fig. 9, the first hinge structure 543 includes a first hinge seat 5431, the first hinge seat 5431 is fixedly connected to the first lifting plate 5411, the first hinge seat 5431 is provided with two first hinge arms which are distributed oppositely, the end of the first hinge arm is provided with a shaft hole and is provided with a first hinge pin 5432, the first hinge pin 5412 is rotatably connected to a first hinge block 5433 on the lower surface of the telescopic mounting plate 531, and the telescopic mounting plate 531 and the first lifting plate 5411 are hinged to each other.

Referring to fig. 8 again, the second hinge structure 544 includes a second hinge base 5441, the second hinge base 5441 is fixedly connected to the second lifting plate 5421, the second hinge base 5441 is provided with two second hinge arms which are distributed oppositely, the end of the second hinge arm is provided with a shaft hole and is provided with a second hinge pin 5442, the second hinge pin 5442 is rotatably connected to a hinge slider 5443, and the hinge slider 5443 is slidably connected to a hinge adjustment guide rail 5444 on the lower surface of the telescopic mounting plate 531. Since the first hinge structure 543 is hinged to the end of the telescopic mounting plate 531, the second hinge structure 544 is hinged to the middle of the telescopic mounting plate 531, and both the first lifting transmission module 541 and the second lifting transmission module 542 can only vertically displace, when the telescopic mounting plate 531 inclines, the position of the second hinge seat 5441 relative to the telescopic mounting plate 531 changes, and the second hinge seat 5441 can slide along the hinge adjustment guide rail 5444 to adjust the position.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a unloader on bender, its characterized in that, including being used for supporting fixed frame (100), the first end and the second end of frame (100) set up last feed bin (300) and receipts feed bin (400) of panel (200) respectively, go up feed bin (300) with it bends locating component (500) to have arranged between receipts feed bin (400), frame (100) have erect the sideslip and have got material subassembly (600), the sideslip is got the stroke of material subassembly (600) and is connected go up feed bin (300), bend locating component (500) and receive feed bin (400), with panel (200) go up feed bin (300) with bend between locating component (500) and bend locating component (500) with shift between receipts feed bin (400), bend locating component (500) including positioning mechanism (510), rotation correction mechanism (520), The plate bending machine comprises a front-back telescopic mechanism (530) and an inclination correcting mechanism (540), wherein the plate (200) is positioned by the positioning mechanism (510), the direction of the plate (200) relative to the bending machine (700) is adjusted by the rotation correcting mechanism (520), the distance between the plate (200) and the bending machine (700) is adjusted by the front-back telescopic mechanism (530), and the inclination angle of the plate (200) relative to the bending machine (700) is adjusted by the inclination correcting mechanism (540).

2. The loading and unloading device for the bending machine according to claim 1, wherein the upper bin (300) comprises a plurality of vertically arranged bin limiting arms (301) and a jacking mechanism arranged between the bin limiting arms (301), the bin limiting arms (301) are used for positioning the feeding position of a plate material (200), and the jacking mechanism comprises a material carrying plate (302) and a first lead screw driving part (303) which is arranged at the bottom end of the material carrying plate (302) and used for driving the material carrying plate (302) to ascend and descend; the receiving bin (400) and the upper bin (300) have the same structure.

3. The loading and unloading device for the bending machine as claimed in claim 1, wherein the traverse taking assembly (600) comprises a traverse mechanism (610) and an upper and lower taking mechanism (620), the traverse mechanism (610) comprises a traverse bracket (611) and a traverse guide rail (612) arranged on the traverse bracket (611), a traverse sliding plate (613) is slidably arranged on the traverse guide rail (612), a traverse sliding block (614) is arranged at the bottom end of the traverse sliding plate (613), the traverse sliding block (614) is slidably connected with the traverse guide rail (613), a traverse driving motor (615) is arranged on the traverse sliding plate (613), a first driving gear (616) is connected to an output shaft of the traverse driving motor (615), and the first driving gear (616) is meshed with a first rack (617) arranged on the traverse bracket (611), the upper and lower material taking mechanisms (620) are arranged on the transverse moving sliding plate (613).

4. The loading and unloading device for the bending machine as claimed in claim 3, wherein the traverse sliding plate (613) is provided with a lifting notch (618), the upper and lower material taking mechanism (620) comprises a lifting mounting cylinder (621) and a lifting upright post (622) movably arranged in the lifting mounting cylinder (621), the bottom end of the lifting mounting cylinder (621) is fixed with the edge of the lifting notch (618), the lifting upright post (622) is connected with a second lead screw driving part (623) arranged on the lifting mounting cylinder (621), the bottom end of the lifting upright post (622) is provided with a material taking mounting plate (624), the lower surface of the material taking mounting plate (624) is provided with a plurality of material taking suckers (625), the material taking suckers (625) are used for adsorbing the sheet material (200) through vacuum action, and the outer side wall of the lifting upright post (622) is further provided with a plurality of lifting guide rails (626), the inside wall of lift installation section of thick bamboo (621) corresponds and is provided with a plurality of lifting slide blocks (627), lifting slide block (627) with lift guide rail (626) sliding connection.

5. The loading and unloading device for the bending machine as claimed in claim 1, wherein the positioning mechanism (510) comprises a positioning installation disc (511) and a positioning suction cup (512) arranged on the upper surface of the positioning installation disc (511), the positioning suction cup (512) adsorbs a plate (200) through vacuum action, the rotation correction mechanism (520) comprises a rotation speed reduction base (521), a transmission shaft at the bottom end of the positioning installation disc (511) is rotatably connected with the rotation speed reduction base (521) through a bearing, a transmission shaft sleeve of the positioning installation disc (511) is provided with a front synchronizing wheel (522), the front synchronizing wheel (522) is in transmission connection with a rear synchronizing wheel (523) through a belt, and the rear synchronizing wheel (523) is connected with an output shaft of a rotation servo motor (524).

6. Unloader according to claim 5, wherein the front and rear telescopic mechanism (530) comprises a telescopic mounting plate (531) and a telescopic guide rail (532) provided on the upper surface of the telescopic mounting plate (531), the telescopic guide rail (532) is provided with a telescopic plate (533) in a sliding way, the bottom end of the telescopic plate (533) is provided with a telescopic connecting slide block (534), the telescopic connecting sliding block (534) is connected with the telescopic guide rail (532) in a sliding way, the telescopic plate (533) is simultaneously connected with a third screw driving part (535) on the telescopic mounting plate (531), the rotary speed reduction base (521) is fixed at the position of a mounting hole formed by the telescopic plate (533), the rear synchronizing wheel (523) is rotatably connected with the telescopic plate (533), and the rotary servo motor (524) is fixedly connected with the telescopic plate (533).

7. The loading and unloading device for bending machines according to claim 6, wherein said inclination correction mechanism (540) comprises a first elevation transmission module (541) and a second elevation transmission module (542), said first elevation transmission module (541) is hinged to the lower surface of said telescopic mounting plate (531) through a first hinge structure (543), said second elevation transmission module (542) is hinged to the lower surface of said telescopic mounting plate (531) through a second hinge structure (544), so that two hinge points of said telescopic mounting plate (531) are located at different height positions to generate inclination, and said first elevation transmission module (541) and said second elevation transmission module (542) are both mounted on a supporting plate (545).

8. The loading and unloading device for the bending machine, as recited in claim 7, wherein the first lifting transmission module (541) comprises a first lifting plate (5411), a first lifting mounting plate (5412) is slidably disposed on the first lifting plate (5411), a fourth lead screw driving portion (5413) is disposed on the first lifting plate (5411), the fourth lead screw driving portion (5413) is connected with the first lifting mounting plate (5412), the first lifting mounting plate (5412) is fixed to the supporting plate (545), the fourth lead screw driving portion (5413) drives the first lifting plate (5411) to lift relative to the supporting plate (545), and the first hinge structure (543) is disposed at a top end of the first lifting plate (5411).

9. The loading and unloading device for bending machines according to claim 8, wherein said second lifting transmission module (542) comprises a second lifting plate (5421), a second lifting mounting plate (5422) is arranged on the second lifting plate (5421) in a sliding manner, a second rack (5423) is arranged on the second lifting plate (5421), a second gear (5424) corresponding to the second rack (5423) is arranged on the second lifting mounting plate (5422), the second gear (5424) is in transmission connection with a lifting drive motor (5425) on the second lifting mounting plate (5422), the second lifting mounting plate (5422) is fixed to the pallet (545), the lifting driving motor (5425) drives the second lifting plate (5421) to lift relative to the pallet (545), the second hinge structure (544) is disposed at a top end of the second lifting plate (5421).

10. The loading and unloading device for bending machines as claimed in claim 9, characterized in that said first hinge structure (543) comprises a first hinge seat (5431), said first hinge seat (5431) is fixedly connected to said first lifting plate (5411), said first hinge seat (5431) is provided with two first hinge arms of opposite sections, the end of said first hinge arm is provided with a shaft hole and is mounted with a first hinge pin (5432), said first hinge pin (5432) is rotatably connected to a first hinge block (5433) on the lower surface of said telescopic mounting plate (531); second hinge structure (544) includes articulated seat of second (5441), articulated seat of second (5441) with second lifter plate (5421) fixed connection, articulated seat of second (5441) is provided with the articulated arm of second of two relative branches, shaft hole and installation articulated round pin axle (5442) have been seted up to the end of articulated arm of second, articulated round pin axle (5442) rotates with articulated slider (5443) and is connected, articulated slider (5443) with articulated adjustment guide rail (5444) sliding connection of flexible mounting panel (531) lower surface.