阅读说明：本技术 一种铝合金生产用折弯装置 (Bending device for aluminum alloy production ) 是由 肖国兵 于 2020-07-10 设计创作，主要内容包括：本发明公开了铝合金折弯技术领域的一种铝合金生产用折弯装置,包括机架,所述机架上表面左侧滑动连接有铝合金管的夹持传送单元,所述机架的顶部中间部位开设有矩形槽口,所述矩形槽口底部两侧均固定连接有L型支撑架,两个所述L型支撑架均固定连接有第一电缸,两个所述第一电缸顶杆端部固定连接有矩形挤压板,所述矩形挤压板顶部开设有下纠正槽,所述机架顶部右侧固定连接有折弯单元；本发明通过设置第一固定板、第二固定板、第三固定板、矩形挤压板,第一电缸、第二电缸、上纠正槽、下纠正槽,解决了铝合金折弯成型后首尾的错位问题,无需人工转移到下一工序进行错位纠正的处理,提高了工作效率。(The invention discloses a bending device for aluminum alloy production in the technical field of aluminum alloy bending, which comprises a rack, wherein the left side of the upper surface of the rack is slidably connected with a clamping and conveying unit of an aluminum alloy pipe, the middle part of the top of the rack is provided with a rectangular notch, two sides of the bottom of the rectangular notch are fixedly connected with L-shaped support frames, the two L-shaped support frames are fixedly connected with first electric cylinders, the end parts of ejector rods of the two first electric cylinders are fixedly connected with a rectangular extrusion plate, the top of the rectangular extrusion plate is provided with a lower correcting groove, and the right side of the top of the rack is fixedly connected with a bending unit; according to the invention, the first fixing plate, the second fixing plate, the third fixing plate and the rectangular extrusion plate are arranged, and the first electric cylinder, the second electric cylinder, the upper correction groove and the lower correction groove are arranged, so that the problem of head-to-tail dislocation after aluminum alloy bending forming is solved, manual transfer to the next process for dislocation correction is not needed, and the working efficiency is improved.)

1. The utility model provides a bending device is used in aluminum alloy production, includes frame (1), its characterized in that: the aluminum alloy pipe clamping and conveying device is characterized in that the left side of the upper surface of the rack (1) is slidably connected with an aluminum alloy pipe clamping and conveying unit, a rectangular notch is formed in the middle of the top of the rack (1), L-shaped supporting frames (2) are fixedly connected to two sides of the bottom of the rectangular notch, first electric cylinders (3) are fixedly connected to two L-shaped supporting frames (2), rectangular extrusion plates (4) are fixedly connected to the end portions of ejector rods of the first electric cylinders (3), lower correcting grooves (5) are formed in the tops of the rectangular extrusion plates (4), a bending unit is fixedly connected to the right side of the top of the rack (1), an extrusion fixing frame (6) is arranged in the rectangular notch, an outer frame (7) is fixedly connected to the top of the extrusion fixing frame (6), and the right side of the top of the extrusion fixing frame (6) is fixedly, the left side of the top of the extrusion fixing frame (6) is fixedly connected with a first clamping shaft, the outer surface of the first clamping shaft is rotatably connected with a first clamping roller (8), the top of the rack (1) is provided with a first notch, the inner wall of the first notch is slidably connected with a cross-shaped movable plate (9), the top of the cross-shaped movable plate (9) is fixedly connected with an installation seat (10), the left side of the installation seat (10) is fixedly connected with a second clamping shaft, the outer surface of the second clamping shaft is rotatably connected with a second clamping roller (11) matched with the first clamping roller (8) for use, the bottom end of the cross-shaped movable plate (9) is in threaded connection with a screw rod (12), one end of the screw rod (12) is rotatably connected onto the rack (1), the other end of the screw rod (12) is fixedly connected with a first bevel gear (13), and the first bevel gear (13) is engaged, the utility model discloses a rack for the automobile seat, including frame (1), frame (14), gear shaft, first fixed plate (19), first correction groove, second fixed plate (15), compression spring (18) have been cup jointed on the surface of first tensile pole (17), the tip fixedly connected with first fixed plate (19) of first tensile pole (17), first correction groove has been seted up to first fixed plate (19) bottom, first fixed plate (19) one side fixedly connected with rack (20), roller gear (15) and rack (20) intermeshing, spout (21) have been seted up to the position that the bottom of frame (1) corresponds rack (20), rack (20) sliding connection is on the inner wall of spout (21), the two ends of the first fixing plate (19) are fixedly connected with steel wire ropes (22), two guide wheels (23) are rotatably connected to two sides of the bottom of the rack (1), one ends of the two steel wire ropes (22) are fixedly connected with second stretching 2 rods (4) (, the two second stretching rods (24) are sleeved with compression springs (18), the end parts of the two second stretching rods (24) are fixedly connected with second fixing plates (25), the bottoms of the two second fixing plates (25) are respectively provided with a second correcting groove, the front of the rack (1) is provided with a second notch, the inner surface of the second notch is slidably connected with a third fixing plate (26), the side surface of the bottom of the extrusion fixing frame (6) is provided with a groove (27), and the first fixing plate (19), the second fixing plate (25) and the third fixing plate (26) penetrate through the bottoms of the rectangular notches and are inserted into the grooves (27), a third correcting groove is formed in the bottom of the third fixing plate (26), the third correcting groove, the second correcting groove and the first correcting groove are communicated with each other to form an upper correcting groove (28) matched with the lower correcting groove (5), a first limiting hole is formed in the position, corresponding to the third fixing plate (26), of the top of the rack (1), a second limiting hole is formed in the position, corresponding to the first limiting hole, of the top of the third fixing plate (26), and limiting columns (29) are connected to the inner walls of the second limiting hole and the first limiting hole in a sliding mode;

the bending unit comprises a motor (30), the motor (30) is fixedly connected to the top of the outer frame (7), a support shaft (31) is fixedly connected to an output shaft of the motor (30), the bottom end of the support shaft (31) penetrates into the inner side of the outer frame (7) and is rotatably connected to the top of the extrusion fixing frame (6), a first bending wheel (32) is fixedly connected to the lower surface of the support shaft (31), two elastic telescopic rods (33) are fixedly connected to the upper surface of the support shaft (31), two bending rods (34) are fixedly connected to the end portions of the elastic telescopic rods (33) together, two track wheels (35) are rotatably connected to the outer surface of each bending rod (34), a second bending wheel (36) matched with the first bending wheel (32) is fixedly connected to the bottom end of each bending rod (34), a track groove (37) for the track wheels (35) to slide is formed in the inner wall of the outer frame (7), the track groove (37) comprises a bending sliding groove section (3701) and a bending track disengaging groove section (3702).

2. The bending device for aluminum alloy production according to claim 1, wherein: two ejection plates (38) are fixedly connected to two sides of the L-shaped support frame (2), two shaft fixing frames (39) are fixedly connected to four corners of the bottom of the rectangular extrusion plate (4), two shaft fixing frames (39) are fixedly connected to an installation shaft (40), a reset spring (41) is sleeved on the surface of the installation shaft (40), a guide extrusion plate (42) is fixedly connected to the end of the reset spring (41), a shaft hole is formed in the side surface of the guide extrusion plate (42), the inner surface of the shaft hole is slidably connected to the outer surface of the shaft, the inclined surface at the bottom of the guide extrusion plate (42) is slidably connected to the inclined surface of the ejection plate (38), a guide extrusion seat (43) is fixedly connected to the top of the guide extrusion plate (42), and guide grooves (44) communicated with the lower correction groove (5) are formed in four corners of the bottom of the rectangular extrusion plate (4), the guide extrusion seat (43) is connected to the inner wall of the guide groove (44) in a sliding mode, and through grooves (45) are formed in the positions, corresponding to the guide groove (44), of the bottoms of the first fixing plate (19), the second fixing plate (25) and the third fixing plate (26).

3. The bending device for aluminum alloy production according to claim 2, wherein: trapezoidal groove (46) have been seted up on the inclined plane of direction extrusion seat (43), four boss (47) of trapezoidal groove (46) bottom fixedly connected with, four damping spring (48) have been cup jointed on the surface of boss (47), and four damping spring (48) one end fixed connection are in the bottom of trapezoidal groove (46), four damping spring (48) other end fixedly connected with shock attenuation platform (49), the wedge groove has been seted up in shock attenuation platform (49), the wedge inslot inner wall is along fixed axle (50) that four linear array of inclined plane direction fixedly connected with distribute, four fixed axle (50) all rotates on the surface and is connected with four roller bearings (51), four roller bearing (51) the common transmission in surface is connected with supporting belt (52).

4. The bending device for aluminum alloy production according to claim 1, wherein: the centre gripping conveying unit includes slide rail (54), slide rail (54) fixed connection is at the top of frame (1), sliding connection has gliding lower grip block (53) in front and back on the inner wall of slide rail (54), grip block (53) top fixedly connected with third electricity jar (55) down, grip block (56) on third electricity jar (55) ejector pin tip fixedly connected with, last grip block (56) and lower grip block (53) relative one side have all seted up the arc notch.

5. The bending device for aluminum alloy production according to claim 1, wherein: a supporting table (57) is fixedly connected to the right side of the mounting seat (10), and an arc-shaped notch is formed in the front end of the supporting table (57).

6. The bending device for aluminum alloy production according to claim 1, wherein: extrusion mount (6) top fixedly connected with mount (58), the one end fixed connection that extrusion mount (6) were kept away from in mount (58) is in frame (1) top left side, mount (58) other end fixed connection is in outer frame (7) side.

Technical Field

The invention relates to the technical field of aluminum alloy bending, in particular to a bending device for aluminum alloy production.

Background

Aluminum alloys are the most widely used class of non-ferrous structural materials in industry and have found a number of applications in the aerospace, automotive, mechanical manufacturing, marine and chemical industries. The aluminum alloy has low density, high strength similar to or superior to that of high-quality steel, good plasticity, excellent electric conductivity, heat conductivity and corrosion resistance, is widely used in industry, and is second to steel in use amount.

Disclosure of Invention

The invention aims to provide a bending device for aluminum alloy production, which aims to solve the problems that in the prior art, aluminum alloy pipe fittings need to be bent to form a frame shape and applied to products such as doors and windows, but after the aluminum alloy pipe fittings are bent and formed, the head and the tail of the frame-shaped aluminum alloy formed part can be vertically staggered, the problem of dislocation of the head and the tail of the formed part cannot be solved after the aluminum alloy formed part is bent and formed, later-stage alignment welding is inconvenient, manual transfer to another processing flow for correction is needed, and the working efficiency is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: a bending device for aluminum alloy production comprises a rack, wherein a clamping and conveying unit of an aluminum alloy pipe is slidably connected to the left side of the upper surface of the rack, a rectangular notch is formed in the middle of the top of the rack, L-shaped support frames are fixedly connected to two sides of the bottom of the rectangular notch, a first electric cylinder is fixedly connected to two L-shaped support frames, a rectangular extrusion plate is fixedly connected to the end portion of an ejector rod of the first electric cylinder, a lower correction groove is formed in the top of the rectangular extrusion plate, a bending unit is fixedly connected to the right side of the top of the rack, an extrusion fixing frame is arranged in the rectangular notch, an outer frame is fixedly connected to the top of the extrusion fixing frame, the right side of the top of the extrusion fixing frame is fixedly connected with the top of the rack through the outer frame, a first clamping shaft is fixedly connected to the left side of the top of the extrusion, the top of the rack is provided with a first notch, the inner wall of the first notch is connected with a cross-shaped moving plate in a sliding manner, the top of the cross-shaped moving plate is fixedly connected with an installation seat, the left side of the installation seat is fixedly connected with a second clamping shaft, the outer surface of the second clamping shaft is rotatably connected with a second clamping roller matched with the first clamping roller for use, the bottom end of the cross-shaped moving plate is in threaded connection with a lead screw, one end of the lead screw is rotatably connected onto the rack, the other end of the lead screw is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly connected with a gear shaft, one side of the gear shaft, which is positioned on the second bevel gear, is fixedly connected with a cylindrical gear, the rear side of the bottom of the rack is fixedly connected, the surface of the first stretching rod is sleeved with a compression spring, the end part of the first stretching rod is fixedly connected with a first fixing plate, the bottom of the first fixing plate is provided with a first correction groove, one side of the first fixing plate is fixedly connected with a rack, the cylindrical gears and the rack are mutually meshed, the bottom of the rack is provided with a sliding groove corresponding to the position of the rack, the rack is slidably connected to the inner wall of the sliding groove, two ends of the first fixing plate are fixedly connected with steel wire ropes, two sides of the bottom of the rack are rotatably connected with two guide wheels, one end of each of the two steel wire ropes is fixedly connected with a second stretching rod, the two second stretching rods are sleeved with the compression spring, the end parts of the two second stretching rods are fixedly connected with a second fixing plate, the bottom of the two second fixing plates are provided with second correction grooves, and the front surface of the rack is provided with a second notch, the inner surface of the second notch is connected with a third fixing plate in a sliding mode, a groove is formed in the side face of the bottom of the extrusion fixing frame, the first fixing plate, the second fixing plate and the third fixing plate penetrate through the bottom of the rectangular notch and are inserted into the groove, a third correcting groove is formed in the bottom of the third fixing plate, the third correcting groove, the second correcting groove and the first correcting groove are communicated with each other to form an upper correcting groove matched with the lower correcting groove, a first limiting hole is formed in the position, corresponding to the third fixing plate, of the top of the rack, a second limiting hole is formed in the position, corresponding to the first limiting hole, of the top of the third fixing plate, and limiting columns are connected to the inner walls of the second limiting hole and the first limiting hole in a sliding mode;

the bending unit comprises a motor, the motor is fixedly connected to the top of the outer frame, a support shaft is fixedly connected to an output shaft of the motor, the bottom end of the support shaft penetrates through the inner side of the outer frame and is rotatably connected to the top of the extrusion fixing frame, a first bending wheel is fixedly connected to the lower surface of the support shaft, two elastic telescopic rods are fixedly connected to the upper surface of the support shaft, the end parts of the two elastic telescopic rods are fixedly connected with a bending rod together, the outer surface of the bending rod is rotatably connected with two track wheels, a second bending wheel which is mutually matched with the first bending wheel is fixedly connected to the bottom end of the bending rod, a track groove for the track wheels to slide is formed in the inner wall of the outer frame, and the track groove comprises a bending sliding groove section and a bending track disengaging;

during working, the aluminum alloy bending device in the prior art can not solve the problem of dislocation of the head and the tail of a formed aluminum alloy pipe after bending and forming, particularly when the aluminum alloy pipe is formed into a rectangle, the technical scheme is that a first fixing plate, a second fixing plate, a third fixing plate and a rectangular extrusion plate are arranged, so that the dislocation correction of the bent aluminum alloy pipe can be realized, when the aluminum alloy pipe is bent, the third fixing plate is firstly taken down, a second electric cylinder is started, the second electric cylinder drives a first stretching rod to move backwards, the first stretching rod drives the first fixing plate, the first fixing plate drives a rack to move backwards in a chute, the rack drives a cylindrical gear and a second bevel gear to move, the second bevel gear drives a first bevel gear to move, the first bevel gear drives a screw rod to move, the screw rod drives a movable plate to move forwards, the cross movable plate drives a second clamping roller on a mounting seat to move forwards, the second clamping roller is matched with the first clamping roller, the first fixing plate extrudes the compression spring, meanwhile, the extending parts on the two sides of the first fixing plate pull the steel wire rope, the steel wire rope drives the second stretching rod, the second stretching rod drives the second fixing plate, the second fixing plate extrudes the compression spring, the three fixing plates gradually exit from the rectangular notch, when the three fixing plates completely exit from the rectangular notch, the first electric cylinder is started, the first electric cylinder drives the rectangular extrusion plate to move upwards to enter the rectangular notch, the aluminum alloy pipe is gradually fed into the bending unit under the drive of the clamping and conveying unit, at the moment, the motor is started to rotate forwards, the motor output shaft drives the support shaft to rotate, the support shaft drives the first track wheel, the second track wheel and the second bending wheel to move along the bending sliding groove section through the elastic telescopic rod and the bending rod, the bending sliding groove section is arc-shaped and concentric with the first bending wheel, and the bending of the aluminum alloy pipe is realized under the cooperation of the first bending, when the bending unit bends, the clamping and conveying unit releases the clamping of the aluminum alloy pipe so that the aluminum alloy pipe can move freely, after the bending process is completed, the second electric cylinder is started, the first fixing plate and the second fixing plate gradually move towards the rectangular notch under the driving of the second electric cylinder and the compression spring, the second clamping wheel moves backwards, the gap between the first clamping wheel and the second clamping wheel is gradually increased, the limit of the aluminum alloy pipe is released, meanwhile, the motor rotates reversely for a smaller angle to drive the track wheel to move along the bending track to separate from the groove section, the bending track separates from the groove section and extends obliquely upwards, at the moment, the gap between the first bending wheel and the second bending wheel is gradually increased under the action of the elastic telescopic rod, the aluminum alloy pipe can be ensured to effectively fall off, the bent and formed aluminum alloy pipe is placed on the rectangular extrusion plate manually, the first electric cylinder is started to drive the rectangular extrusion plate to move downwards, when the rectangular extrusion plate is separated from the rectangular notch, the first fixing plate and the second fixing plate just enter the rectangular notch, finally the first fixing plate and the second fixing plate enter the rectangular notch and are inserted into the groove on the side surface of the bottom of the extrusion fixing frame, the third fixing plate is installed at the moment, the first electric cylinder is started to drive the rectangular extrusion plate to move upwards to extrude the four fixing plates, the rectangular extrusion plate is provided with a lower correction groove, the first electric cylinder drives the frame pipe in the lower correction groove on the top of the rectangular extrusion plate and the upper correction grooves which are jointly arranged at the bottoms of the first fixing plate, the second fixing plate and the third fixing plate to be mutually matched and extruded, the dislocation of the folded and bent aluminum alloy pipe is corrected, the correction of the bent frame-shaped aluminum alloy is convenient, the head-to-tail butt joint is convenient, and the manual transfer to the next procedure for dislocation correction is not needed, the working efficiency is improved.

As a further proposal of the invention, both sides of the two L-shaped supporting frames are fixedly connected with the ejection plates, two shaft fixing frames are fixedly connected at four corners of the bottom of the rectangular extrusion plate, mounting shafts are fixedly connected with the two shaft fixing frames, the surface of the mounting shaft is sleeved with a return spring, the end part of the return spring is fixedly connected with a guide extrusion plate, the side surface of the guide extrusion plate is provided with a shaft hole, the inner surface of the shaft hole is connected on the outer surface of the shaft in a sliding way, the bottom inclined plane of the guide extrusion plate is connected on the inclined plane of the ejection plate in a sliding way, the top of the guide extrusion plate is fixedly connected with a guide extrusion seat, four corners of the bottom of the rectangular extrusion plate are respectively provided with a guide groove communicated with the lower correction groove, the guide extrusion seat is connected to the inner wall of the guide groove in a sliding manner, and the bottoms of the first fixing plate, the second fixing plate and the third fixing plate are provided with through grooves corresponding to the positions of the guide groove; when the aluminum alloy pipe is placed into the rectangular extrusion plate, the aluminum alloy pipe is easy to break away from the lower correction groove and does not enter the lower correction groove correctly, manual adjustment is needed, correction errors are easy to cause, and when the corrected aluminum alloy pipe is taken, the aluminum alloy pipe is not easy to take out from the lower correction groove by hand, through the arrangement of the ejection plate and the guide extrusion plate, when the aluminum alloy pipe is placed into the rectangular extrusion plate, the aluminum alloy pipe can be quickly guided into the lower correction groove due to the guide inclined plane on the upper portion of the guide extrusion plate, so that the aluminum alloy pipe can accurately fall into the lower correction groove, the correction errors are avoided, and after the dislocation correction is completed, the rectangular extrusion plate moves downwards under the drive of the first electric cylinder to drive the guide extrusion plate to move downwards, the inclined plane at the bottom of the guide extrusion plate is in sliding contact with the inclined plane of the ejection plate, and the aluminum alloy pipe located in the lower correction groove is extruded by gradual inward movement under the action of the ejection plate, under the effect when four direction stripper plates, realize breaking away from the groove of rectifying with aluminum alloy tubular product fast, the aluminum alloy tubular product after the bending of light taking corrects makes things convenient for the staff to lift off and corrects fashioned aluminum alloy pipe fitting.

As a further scheme of the invention, a trapezoidal groove is formed on an inclined plane of the guide extrusion seat, four bosses are fixedly connected to the bottom of the trapezoidal groove, four damping springs are sleeved on the surfaces of the four bosses, one ends of the four damping springs are fixedly connected to the bottom of the trapezoidal groove, the other ends of the four damping springs are fixedly connected with a damping table, a wedge-shaped groove is formed in the damping table, four fixing shafts distributed in a linear array manner are fixedly connected to the inner wall of the wedge-shaped groove along the direction of the inclined plane, four rolling shafts are rotatably connected to the surfaces of the four fixing shafts, and a support belt is jointly connected to the surfaces of the four rolling shafts in a; when the aluminum alloy pipe casting machine is in operation, when an aluminum alloy pipe is put into a rectangular pipe extruding plate, the damage caused by the collision of the aluminum alloy pipe and the guide extruding plate and the inclined plane friction of the guide extruding plate are easy to occur, the aluminum alloy pipe is not easy to slide down from the inclined plane, through the arrangement of the damping spring, the damping table, the roller and the supporting belt, when the aluminum alloy pipe is put into the rectangular extruding plate, the damping spring and the supporting belt under the damping table realize the flexible contact of the aluminum alloy pipe and the damping table, the damage caused by the collision between the aluminum alloy pipe and the damping table is reduced, the friction force between the aluminum alloy pipe and the damping table can be effectively reduced through the roller and the supporting belt, the aluminum alloy pipe is more easy to slide down from the inclined plane of the damping table.

As a further scheme of the invention, the clamping and conveying unit comprises a slide rail, the slide rail is fixedly connected to the top of the rack, a lower clamping block capable of sliding back and forth is slidably connected to the inner wall of the slide rail, the top of the lower clamping block is fixedly connected with a third electric cylinder, the end part of an ejector rod of the third electric cylinder is fixedly connected with an upper clamping block, and one side of the upper clamping block, which is opposite to the lower clamping block, is provided with an arc-shaped notch; during operation, the aluminum alloy pipe is clamped tightly under the effect of the third electric cylinder, moves forward through the slide rail, and after moving for a certain distance, the upper clamping block moves upwards under the driving of the third electric cylinder to remove the clamping of the aluminum alloy pipe.

As a further scheme of the invention, a supporting table is fixedly connected to the right side of the mounting seat, and an arc-shaped notch is formed in the front end of the supporting table; during operation, the supporting platform is arranged, so that the part can be effectively prevented from being bent and tilted during bending, and the auxiliary supporting effect is achieved.

As a further scheme of the invention, a fixing frame is fixedly connected to the top of the extrusion fixing frame, one end of the fixing frame, which is far away from the extrusion fixing frame, is fixedly connected to the left side of the top of the frame, and the other end of the fixing frame is fixedly connected to the side face of the outer frame; during operation, through setting up the mount, guarantee the stability of extrusion mount.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the first fixing plate, the second fixing plate, the third fixing plate and the rectangular extrusion plate are arranged, and the first electric cylinder, the second electric cylinder, the upper correction groove and the lower correction groove are arranged, so that the problem of head-to-tail dislocation after aluminum alloy bending forming is solved, manual transfer to the next process for dislocation correction is not needed, and the working efficiency is improved.

2. According to the invention, through arranging the ejection plate, the guide extrusion plate, the damping table, the damping spring, the rolling shaft and the support belt, the collision damage of the aluminum alloy pipe with the damping table can be reduced after the aluminum alloy pipe is placed in the rectangular extrusion plate, the flexible contact of the aluminum alloy pipe and the damping table is realized, the friction force borne by the aluminum alloy pipe is reduced, the guide drainage inclined plane of the lower guide correction groove is provided, and meanwhile, the corrected aluminum alloy pipe can be quickly taken out.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a first perspective view of the general construction of the present invention;

FIG. 2 is a perspective view of the overall structure of the present invention from below;

FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention;

FIG. 4 is a first perspective view of the present invention, partially cut away;

FIG. 5 is a second perspective view of the present invention, partially cut away;

FIG. 6 is a second perspective view of the general construction of the present invention;

FIG. 7 is a third perspective view of the present invention, partially cut away;

FIG. 8 is an enlarged view of portion B of FIG. 7 in accordance with the present invention;

FIG. 9 is a perspective view of the general structure of the present invention, partially in section;

fig. 10 is a partially enlarged view of the portion C in the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a rack 1, an L-shaped support frame 2, a first electric cylinder 3, a rectangular extrusion plate 4, a lower correction groove 5, an extrusion fixing frame 6, an outer frame 7, a first clamping roller 8, a cross-shaped moving plate 9, a mounting seat 10, a second clamping roller 11, a screw rod 12, a first bevel gear 13, a second bevel gear 14, a cylindrical gear 15, a second electric cylinder 16, a first stretching rod 17, a compression spring 18, a first fixing plate 19, a rack 20, a sliding groove 21, a steel wire rope 22, a guide wheel 23, a second stretching rod 24, a second fixing plate 25, a third fixing plate 26, a groove 27, an upper correction groove 28, a limiting column 29, a motor 30, a support shaft 31, a first bending wheel 32, an elastic telescopic rod 33, a bending rod 34, a track wheel 35, a second bending wheel 36, a track groove 37, a bending sliding groove section 3701, a bending track disengagement groove section 3702, an ejector plate 38, a fixing frame 39, a support shaft 40, a return spring 41, the device comprises a guide extrusion plate 42, a guide extrusion seat 43, a guide groove 44, a through groove 45, a trapezoidal groove 46, a boss 47, a damping spring 48, a damping table 49, a fixed shaft 50, a rolling shaft 51, a supporting belt 52, a lower clamping block 53, a sliding rail 54, a third electric cylinder 55, an upper clamping block 56, a supporting table 57 and a fixed frame 58.

Detailed Description

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

Referring to fig. 1-10, the present invention provides a technical solution: a bending device for aluminum alloy production comprises a frame 1, wherein the left side of the upper surface of the frame 1 is slidably connected with a clamping and conveying unit of an aluminum alloy pipe, the middle part of the top of the frame 1 is provided with a rectangular notch, two sides of the bottom of the rectangular notch are fixedly connected with L-shaped support frames 2, the two L-shaped support frames 2 are fixedly connected with first electric cylinders 3, the end parts of ejector rods of the two first electric cylinders 3 are fixedly connected with a rectangular extrusion plate 4, the top of the rectangular extrusion plate 4 is provided with a lower correction groove 5, the right side of the top of the frame 1 is fixedly connected with a bending unit, an extrusion fixing frame 6 is arranged in the rectangular notch, the top of the extrusion fixing frame 6 is fixedly connected with an outer frame 7, the right side of the top of the extrusion fixing frame 6 is fixedly connected with the top of the frame 1 through the outer frame 7, the, the top of the rack 1 is provided with a first notch, the inner wall of the first notch is connected with a cross-shaped moving plate 9 in a sliding manner, the top of the cross-shaped moving plate 9 is fixedly connected with an installation seat 10, the left side of the installation seat 10 is fixedly connected with a second clamping shaft, the outer surface of the second clamping shaft is rotatably connected with a second clamping roller 11 matched with the first clamping roller 8, the bottom end of the cross-shaped moving plate 9 is in threaded connection with a screw rod 12, one end of the screw rod 12 is rotatably connected on the rack 1, the other end of the screw rod 12 is fixedly connected with a first bevel gear 13, the first bevel gear 13 is meshed with a second bevel gear 14, the second bevel gear 14 is fixedly connected with a gear shaft, one side of the gear shaft positioned on the second bevel gear 14 is fixedly connected with a cylindrical gear 15, the rear side of the bottom of the rack, the surface of the first stretching rod 17 is sleeved with a compression spring 18, the end part of the first stretching rod 17 is fixedly connected with a first fixing plate 19, the bottom of the first fixing plate 19 is provided with a first correction groove, one side of the first fixing plate 19 is fixedly connected with a rack 20, a cylindrical gear 15 is meshed with the rack 20, the bottom of the rack 1 is provided with a sliding groove 21 corresponding to the position of the rack 20, the rack 20 is connected to the inner wall of the sliding groove 21 in a sliding manner, two ends of the first fixing plate 19 are fixedly connected with steel wire ropes 22, two sides of the bottom of the rack 1 are rotatably connected with two guide wheels 23, one ends of the two steel wire ropes 22 are fixedly connected with second stretching rods 24, the two second stretching rods 24 are sleeved with the compression spring 18, the end parts of the two second stretching rods 24 are fixedly connected with second fixing plates 25, the bottoms of the two second fixing plates 25 are respectively provided with a second correction groove, the front surface of, the internal surface sliding connection of second notch has third fixed plate 26, extrusion mount 6 bottom side is seted up flutedly 27, first fixed plate 19, second fixed plate 25 and third fixed plate 26 run through the bottom of rectangle notch and insert in the recess 27, third fixed plate 26 bottom has been seted up the third and has been rectified the groove, the third rectifies the groove, the second rectifies groove and first correction groove mutually and communicates to form and corrects groove 5 matched with on with down and correct groove 28, first spacing hole has been seted up to the position that the top of frame 1 corresponds third fixed plate 26, the second spacing hole has been seted up to the position that the top of third fixed plate 26 corresponds first spacing hole, common sliding connection has spacing post 29 on the inner wall of second spacing hole and first spacing hole

The bending unit comprises a motor 30, the motor 30 is fixedly connected to the top of the outer frame 7, a supporting shaft 31 is fixedly connected to an output shaft of the motor 30, the bottom end of the supporting shaft 31 penetrates into the inner side of the outer frame 7 and is rotatably connected to the top of the extrusion fixing frame 6, a first bending wheel 32 is fixedly connected to the lower surface of the supporting shaft 31, two elastic telescopic rods 33 are fixedly connected to the upper surface of the supporting shaft 31, a bending rod 34 is fixedly connected to the end portions of the two elastic telescopic rods 33 together, two track wheels 35 are rotatably connected to the outer surface of the bending rod 34, a second bending wheel 36 mutually matched with the first bending wheel 32 is fixedly connected to the bottom end of the bending rod 34, a track groove 37 for the track wheel 35 to slide is formed in the inner wall of the outer frame 7, and the track groove 37 comprises;

during working, in the prior art, aluminum alloy strips need to be bent to form a frame shape, the frame shape is applied to products such as doors and windows, but after the aluminum alloy strips are bent and formed, the end of the frame-shaped aluminum alloy forming part can be vertically staggered, the problem of dislocation of the head and the tail of the formed aluminum alloy can not be solved after the aluminum alloy strips are bent and formed, later-stage alignment welding is inconvenient, manual transfer to another processing flow is needed for correction, and the working efficiency is reduced; according to the technical scheme, the bent aluminum alloy pipe is corrected in a dislocation mode by arranging the first fixing plate 19, the second fixing plate 25, the third fixing plate 26 and the rectangular extrusion plate 4, when the aluminum alloy pipe is bent, the limiting column 29 is upwards taken out at first, the third fixing plate 26 is taken out, the second electric cylinder 16 is started, the second electric cylinder 16 drives the first stretching rod 17 to move backwards, the first stretching rod 17 drives the first fixing plate 19, the first fixing plate 19 drives the rack 20 to move backwards in the chute 21, the rack 20 drives the cylindrical gear 15 and the second bevel gear 14 to move, the second bevel gear 14 drives the first bevel gear 13 to move, the first bevel gear 13 drives the screw rod 12 to move, the screw rod 12 drives the cross-shaped movable plate 9 to move forwards, the cross-shaped movable plate 9 drives the second clamping roller 11 on the mounting seat 10 to move forwards, the second clamping roller 11 is matched with the first clamping roller 8 to limit the position of the pipe, the first fixing plate 19 extrudes the compression spring 18, meanwhile, the extending parts at two sides of the first fixing plate 19 pull the steel wire rope 22, the steel wire rope 22 drives the second stretching rod 24, the second stretching rod 24 drives the second fixing plate 25, the second fixing plate 25 extrudes the compression spring 18, the first fixing plate 19 and the second fixing plate 25 both gradually exit from the rectangular notch, then the first electric cylinder 3 is started, the first electric cylinder 3 drives the rectangular extrusion plate 4 to move upwards into the rectangular notch and close to the opening of the rectangular notch, the aluminum alloy pipe is gradually sent into the bending unit under the drive of the clamping and conveying unit, at this time, the motor 30 is started to rotate positively, the output shaft of the motor 30 drives the supporting shaft 31 to rotate, the supporting shaft 31 drives the track wheel 35 and the second bending wheel 36 to move along the bending sliding groove section 3701 through the elastic expansion rod 33 and the bending rod 34, the bending sliding groove section 3701 is arc-shaped and concentric with the, the bending of the aluminum alloy pipe is realized under the matching of the first bending wheel 32 and the second bending wheel 36, when the bending unit bends, the clamping conveying unit releases the clamping of the aluminum alloy pipe so that the aluminum alloy pipe can move freely, after the bending process is completed, the second electric cylinder 16 is started, the first fixing plate 19 and the second fixing plate 25 gradually move towards the rectangular notch under the driving of the second electric cylinder 16 and the compression spring 18, the second clamping wheel 11 moves backwards, the gap between the first clamping wheel 8 and the second clamping wheel 11 is gradually increased to release the limit of the aluminum alloy pipe, meanwhile, the motor 30 rotates reversely by a small angle to drive the track wheel 35 to move along the bending track to separate from the groove section 3702, the bending track separates from the groove section 3702 and extends obliquely upwards, at the moment, the gap between the first bending wheel 32 and the second bending wheel 36 is gradually increased under the action of the elastic expansion rod 33, and the aluminum alloy pipe can be ensured to effectively fall off, manually, the aluminum alloy pipe which is formed by bending is placed on the lower correction groove inner wall at the top of the rectangular extrusion plate 4, the first electric cylinder 3 is started to drive the rectangular extrusion plate 4 to move downwards, when the rectangular extrusion plate 4 is separated from the rectangular notch, the second electric cylinder 16 is started, the second electric cylinder 16 drives the first fixing plate 19 to move through the first stretching rod 17 and is inserted into the groove 27, the first fixing plate 19 and the second fixing plate 25 both just enter the rectangular notch at the moment, finally the first fixing plate 19 and the second fixing plate 25 enter the rectangular notch and are inserted into the groove 27 on the bottom side face of the extrusion fixing frame 6, the third fixing plate 26 is installed at the moment, the first electric cylinder 3 is started to drive the rectangular extrusion plate 4 to move upwards to extrude the four fixing plates, the rectangular extrusion plate 4 is provided with the lower correction groove 5, and the first fixing plate 19, the first electric cylinder 3 drives the frame pipe fitting in the lower correction groove 5 at the top of the rectangular extrusion plate 4 to extrude the frame pipe fitting in the lower correction groove 5, The upper correcting grooves 28 jointly formed at the bottoms of the second fixing plate 25 and the third fixing plate 26 are matched with each other for extrusion, so that the dislocation of the bent aluminum alloy pipe is corrected, the bent frame-shaped aluminum product is corrected conveniently, the head and the tail of the bent frame-shaped aluminum product are butted conveniently, manual transfer to the next process for dislocation correction is not needed, and the working efficiency is improved.

As a further scheme of the invention, two sides of two L-shaped supporting frames 2 are fixedly connected with an ejector plate 38, four corners of the bottom of a rectangular extrusion plate 4 are fixedly connected with two shaft fixing frames 39, the two shaft fixing frames 39 are fixedly connected with an installation shaft 40, the surface of the installation shaft 40 is sleeved with a return spring 41, the end part of the return spring 41 is fixedly connected with a guide extrusion plate 42, the side surface of the guide extrusion plate 42 is provided with a shaft hole, the inner surface of the shaft hole is connected on the outer surface of the shaft in a sliding way, the bottom inclined surface of the guide extrusion plate 42 is connected on the inclined surface of the ejector plate 38 in a sliding way, the top of the guide extrusion plate 42 is fixedly connected with a guide extrusion seat 43, four corners of the bottom of the rectangular extrusion plate 4 are provided with guide grooves 44 which are communicated with a lower correction groove 5, the guide extrusion, through grooves 45 are formed in the bottoms of the second fixing plate 25 and the third fixing plate 26 corresponding to the positions of the guide grooves 44; when the aluminum alloy pipe bending machine works, when an aluminum alloy pipe formed by bending is placed into the rectangular extrusion plate 4, the aluminum alloy pipe is easy to break away from the lower correction groove 5 and does not enter the lower correction groove 5 correctly, manual adjustment is needed, and correction errors are easy to cause, and when the corrected aluminum alloy pipe is taken, the aluminum alloy pipe is not easy to take out from the lower correction groove 5 by hands, through the arrangement of the ejection plate 38 and the guide extrusion plate 42, when the aluminum alloy pipe is placed into the rectangular extrusion plate 4, the aluminum alloy pipe can be quickly guided into the lower correction groove 5 due to the guide inclined plane on the upper part of the guide extrusion plate 42, so that the aluminum alloy pipe can accurately fall into the lower correction groove 5, the correction errors are avoided, after the correction dislocation is completed, under the drive of the first electric cylinder 3, the rectangular extrusion plate 4 moves downwards to drive the guide extrusion plate 42 to move downwards, the inclined plane at the bottom of the guide extrusion plate 42 is in sliding contact with the inclined plane of the ejection plate 38, and gradually inwards move under the effect of liftout plate 38 and extrude the aluminum alloy tubular product that is located and corrects the inslot 5 down, under the effect of four direction stripper plates 42, realize breaking away from the groove of correcting fast with the aluminum alloy tubular product, easily take the aluminum alloy tubular product after bending is corrected, make things convenient for the staff to lift off and correct fashioned aluminum alloy pipe spare.

As a further scheme of the invention, a trapezoidal groove 46 is formed on an inclined surface of the guide extrusion seat 43, four bosses 47 are fixedly connected to the bottom of the trapezoidal groove 46, four damping springs 48 are sleeved on the surfaces of the four bosses 47, one end of each of the four damping springs 48 is fixedly connected to the bottom of the trapezoidal groove 46, a damping table 49 is fixedly connected to the other end of each of the four damping springs 48, a wedge-shaped groove is formed in the damping table 49, four fixing shafts 50 distributed in a linear array are fixedly connected to the inner wall of the wedge-shaped groove along the inclined surface direction, four rollers 51 are rotatably connected to the surfaces of the four fixing shafts 50, and a support belt 52 is jointly connected to the surfaces; when the aluminum alloy pipe casting machine works, when an aluminum alloy pipe is placed into a rectangular pipe extrusion plate, damage caused by collision of the aluminum alloy pipe and the guide extrusion plate 42 and inclined surface friction of the guide extrusion plate 42 are large, the aluminum alloy pipe cannot easily slide down from the inclined surface, through the arrangement of the damping spring 48, the damping table 49, the rolling shaft 51 and the supporting belt 52, when the aluminum alloy pipe is placed into the rectangular extrusion plate 4, the damping spring 48 and the supporting belt 52 below the damping table 49 achieve flexible contact of the aluminum alloy pipe and the damping table 49, damage caused by collision between the aluminum alloy pipe and the damping table 49 is reduced, the rolling shaft 51 and the supporting belt 52 can effectively reduce friction between the aluminum alloy pipe and the damping table 49, the aluminum alloy pipe can more easily slide down from the inclined surface of the damping table 49, and the drainage effect on a formed pipe is guaranteed.

As a further scheme of the invention, the clamping and conveying unit comprises a slide rail 54, the slide rail 54 is fixedly connected to the top of the frame 1, a lower clamping block 53 capable of sliding back and forth is slidably connected to the inner wall of the slide rail 54, a third electric cylinder 55 is fixedly connected to the top of the lower clamping block 53, an upper clamping block 56 is fixedly connected to the end of a mandril of the third electric cylinder 55, and arc-shaped notches are formed in the opposite sides of the upper clamping block 56 and the lower clamping block 53; during operation, the aluminum alloy pipe is clamped under the action of the third electric cylinder 55, the aluminum alloy pipe moves forwards through the slide rail 54, after the aluminum alloy pipe moves for a certain distance, the upper clamping block 56 moves upwards under the driving of the third electric cylinder 55, the clamping of the aluminum alloy pipe is removed, and through the process, the aluminum pipe is transferred to be bent.

As a further scheme of the invention, a supporting platform 57 is fixedly connected to the right side of the mounting seat 10, and an arc-shaped notch is formed in the front end of the supporting platform 57; during operation, the supporting platform 57 is arranged, so that the part can be effectively prevented from bending and warping during bending, and the auxiliary supporting effect is achieved.

As a further scheme of the invention, the top of the extrusion fixing frame 6 is fixedly connected with a fixing frame 58, one end of the fixing frame 58 far away from the extrusion fixing frame 6 is fixedly connected to the left side of the top of the frame 1, and the other end of the fixing frame 58 is fixedly connected to the side face of the outer frame 7; during operation, the stability of the extrusion fixing frame 6 is ensured by arranging the fixing frame 58.

The working principle is as follows: during bending, the third fixing plate 26 is firstly taken down, the second electric cylinder 16 is started, the second electric cylinder 16 drives the first stretching rod 17 to move backwards, the first stretching rod 17 drives the first fixing plate 19, the first fixing plate 19 drives the rack 20 to move backwards in the chute 21, the rack 20 drives the cylindrical gear 15 and the second bevel gear 14 to move, the second bevel gear 14 drives the first bevel gear 13 to move, the first bevel gear 13 drives the screw rod 12 to move, the screw rod 12 drives the cross-shaped movable plate 9 to move forwards, the cross-shaped movable plate 9 drives the second clamping roller 11 on the mounting seat 10 to move forwards, the second clamping roller 11 is matched with the first clamping roller 8 to limit the pipe, the first fixing plate 19 extrudes the compression spring 18, meanwhile, the extending parts on two sides of the first fixing plate 19 pull the steel wire rope 22, the steel wire rope 22 drives the second stretching rod 24, the second fixing plate 24 drives the second fixing plate 25, the second fixing plate 25 extrudes the compression spring 18, the three fixing plates gradually exit from the rectangular notch, when the three fixing plates completely exit from the rectangular notch, the first electric cylinder 3 is started, the first electric cylinder 3 drives the rectangular extrusion plate 4 to move upwards to enter the rectangular notch, the aluminum alloy pipe is gradually sent into the bending unit under the drive of the clamping and conveying unit, at the moment, the motor 30 is started to rotate forwards, the output shaft of the motor 30 drives the supporting shaft 31 to rotate, the supporting shaft 31 drives the track wheel 35 and the second bending wheel 36 to move along the bending sliding groove section 3701 through the elastic telescopic rod 33 and the bending rod 34, the bending sliding groove section 3701 is arc-shaped and concentric with the first bending wheel 32, the aluminum alloy pipe is bent under the matching of the first bending wheel 32 and the second bending wheel 36, and when the bending unit bends, the clamping and conveying unit releases the clamping on the aluminum alloy pipe, so that the aluminum alloy pipe can move freely, after the bending process is finished, the second electric cylinder 16 is started, the first fixing plate 19 and the second fixing plate 25 gradually move towards the rectangular notch under the driving of the second electric cylinder 16 and the compression spring 18, the second clamping roller 11 moves backwards, the gap between the first clamping roller 8 and the second clamping roller 11 is gradually increased, the limit on the aluminum alloy pipe is removed, meanwhile, the motor 30 rotates reversely by a small angle to drive the track wheel 35 to move along the bending track to separate from the groove section 3702, the bending track separates from the groove section 3702 and extends obliquely upwards, at the moment, the gap between the first bending wheel 32 and the second bending wheel 36 is gradually increased under the action of the elastic telescopic rod 33, the aluminum alloy pipe can be effectively dropped, the bent and formed aluminum alloy pipe is placed on the rectangular extrusion plate 4 through manual work, the first electric cylinder 3 is started to drive the rectangular extrusion plate 4 to move downwards, when the rectangular extrusion plate 4 is separated from the rectangular notch, at the moment, the first fixing plate 19 and the second fixing plate 25 just enter the rectangular groove, finally the first fixing plate 19 and the second fixing plate 25 enter the rectangular groove and are inserted into the groove 27 on the side surface of the bottom of the extrusion fixing frame 6, at the moment, the third fixing plate 26 is installed, the first electric cylinder 3 is started to drive the rectangular extrusion plate 4 to move upwards to extrude with the four fixing plates, the rectangular extrusion plate 4 is provided with a lower correction groove 5, the first electric cylinder 3 drives the frame-shaped pipe fitting in the lower correction groove 5 on the top of the rectangular extrusion plate 4 to be matched and extruded with an upper correction groove 28 which is jointly arranged at the bottoms of the first fixing plate 19, the second fixing plate 25 and the third fixing plate 26, the dislocation of the aluminum alloy pipe after bending and forming is corrected, the bent frame-shaped aluminum material is corrected, the end-to end butt joint is facilitated, and the manual transfer to the next process for correcting the dislocation is not required, the working efficiency is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.