CN109623215B

CN109623215B - Working method of automatic welding device for aluminum alloy door frame

Info

Publication number: CN109623215B
Application number: CN201910075413.9A
Authority: CN
Inventors: 朱明德; 闫平洋; 袁福珍
Original assignee: Yiwu Fushun Luggage Co Ltd
Current assignee: Yiwu Fushun luggage Co., Ltd
Priority date: 2019-01-25
Filing date: 2019-01-25
Publication date: 2020-11-20
Anticipated expiration: 2039-01-25
Also published as: CN109623215A

Abstract

The invention discloses a working method of an automatic welding device for an aluminum alloy door frame, belonging to the field of aluminum alloy door frame processing equipment, wherein the welding device comprises a conveying device, a positioning jig and a first feeding device, second loading attachment, flattening device, welding set and unloader, be equipped with a plurality of locating component on the positioning jig, first loading attachment includes two first material loading frames, first feeding logical groove has all been seted up on every first material loading frame, all be equipped with two first supporting blocks on every first material loading frame, the both ends of every first material loading frame all are equipped with first blowing subassembly, be equipped with two connecting rods between two first material loading frames, second loading attachment includes two second material loading frames, all be equipped with the logical groove of second feeding on every second material loading frame, all be equipped with two second supporting shoes on every second material loading frame, the both ends of every second material loading frame all are equipped with second blowing subassembly. The automatic feeding and discharging welding machine realizes automatic feeding and discharging and automatic welding, and reduces the labor intensity of manual work.

Description

Working method of automatic welding device for aluminum alloy door frame

Technical Field

The invention relates to the field of aluminum alloy door frame processing equipment, in particular to a working method of an automatic welding device for an aluminum alloy door frame.

Background

At present, in the production of the aluminum alloy door frame, the processing, feeding, discharging and welding of the aluminum alloy door frame are mainly performed by manual operation in the production link. In production, manual operation is adopted for processing operation, certain errors exist in the manual operation, and particularly, the processed surface smoothness is very poor when a special-shaped structure is processed; the manual feeding and discharging is adopted, the repeated labor operation is required to be carried out continuously by manual work, and the labor intensity of the manual work is high.

The automatic welding processing equipment and the welding processing method for the aluminum alloy door frame with the patent number of CN105269193B comprise a welding platform for fixing and positioning aluminum alloy profiles and performing welding operation and a welding robot for welding and connecting adjacent frame profiles on the welding platform, wherein a profile placing position for placing the frame profiles is arranged on the welding platform, and a pressing device for pressing the frame profiles along the vertical direction and a jacking device for jacking the frame profiles towards the mutual splicing direction between the adjacent frame profiles along the horizontal direction are correspondingly arranged on the profile placing position; and the welding platform is also provided with a limiting block for limiting the splicing corner position of the adjacent frame profiles or limiting the end position of the frame profiles. The invention adopts the preset path for installing the welding robot to weld each connecting position of the aluminum alloy door frame, maintains the plumpness and the surface smoothness of the welding seam, and improves the welding efficiency and quality. However, the invention does not solve the problem that loading and unloading are carried out manually, so that the labor intensity of manual work is high.

Disclosure of Invention

The invention aims to provide an automatic welding device for an aluminum alloy door frame, which aims to solve the problems in the background technology.

The invention provides an automatic welding device for an aluminum alloy door frame, which comprises a conveying device, a positioning jig, a first feeding device, a second feeding device, a flattening device, a welding device and a discharging device, wherein the positioning jig is arranged on the conveying device, a plurality of positioning assemblies are arranged on the positioning jig, the first feeding device, the second feeding device, the flattening device, the welding device and the discharging device are arranged at intervals along a straight line, the first feeding device comprises two first feeding frames which are symmetrically arranged, a first feeding through groove for placing raw materials is formed in each first feeding frame, two first supporting blocks which are symmetrically arranged are arranged on the side wall of each first feeding frame, first discharging assemblies are arranged at two ends of each first feeding frame, two connecting rods for connecting the two first feeding frames are arranged between the two first feeding frames, the second feeding device comprises two second feeding frames which are symmetrically arranged, all offer the second feeding that is used for placing the raw materials on every second material loading frame and lead to the groove, all be equipped with the second supporting shoe that two symmetries set up on every second material loading frame's the lateral wall, every second material loading frame's both ends all are equipped with second blowing subassembly.

Preferably, conveyor includes servo motor, first sprocket, bears the rotation seat that slip table, lead screw, slide bar, first slide, two symmetries set up and the mount pad that two symmetries set up, the lead screw rotates to be installed on two rotation seats, the slide bar is installed on two mount pads, bear and set up on the slip table with lead screw thread fit's screw hole and with slide bar sliding fit's spout, install the second sprocket on the lead screw, servo motor is located the below of second sprocket, first sprocket is installed on servo motor's output, first sprocket passes through chain drive with the second sprocket and is connected, first slide is located between lead screw and the slide bar, the bottom of bearing the slip table is equipped with the slider with first slide sliding fit.

Preferably, the positioning assembly comprises a positioning cylinder and a positioning plate, a first mounting plate which is vertically arranged is arranged on the positioning jig, the positioning cylinder is horizontally mounted on the first mounting plate, a through hole for the positioning cylinder to pass through is formed in the positioning jig, the positioning plate is mounted at the output end of the positioning cylinder, and a moving groove for the positioning plate to move and communicated with the through hole is formed in the positioning jig.

Preferably, first blowing subassembly includes first electric putter and first locating part, be equipped with the second mounting panel that is the level setting on first material loading frame's the outer wall, first electric putter installs on the second mounting panel, first locating part is installed on first electric putter's output, second blowing subassembly includes second electric putter and second locating part, be equipped with the third mounting panel that is the level setting on second material loading frame's the outer wall, second electric putter installs on the third mounting panel, the second locating part is installed on second electric putter's output.

Preferably, the flattening device comprises a first support frame, a flattening cylinder, a first bearing plate, a first electric cylinder, a second electric cylinder, a third electric cylinder and a fourth electric cylinder, the flattening cylinder is vertically arranged at the top of the first support frame, the output end of the flattening cylinder penetrates through the first supporting frame, the first bearing plate is horizontally arranged on the output end of the flattening cylinder, the top of the first bearing plate is provided with four first guide rods which are distributed in a rectangular shape, the first support frame is provided with four first guide seats which are in one-to-one sliding fit with the four first guide rods, first electric jar, second electric jar, third electric jar and fourth electric jar are the rectangle setting in the bottom of first loading board, all are equipped with first connecting plate on four's the slip table, all install the installation piece that is the L type on every first connecting plate, all install the rubber briquetting on every installation piece.

Preferably, welding set includes second support frame, lift cylinder, second loading board, fifth electric jar and two sixth electric jars, the lift cylinder is vertical top of installing at the second support frame to the output of lift cylinder runs through the second support frame, the second loading board is horizontal installation on the output of lift cylinder, the top of second loading board is equipped with four second guide bars that are the rectangle and distribute, be equipped with four on the second support frame and four second guide bar one-to-one sliding fit's second guide holder, two sixth electric jar symmetry sets up the bottom at the second loading board, the fifth electric jar is installed on the slip table of two sixth electric jars, be equipped with the fourth mounting panel that is the U type on the slip table of fifth electric jar, install the welding rifle head on the fourth mounting panel.

Preferably, the blanking device comprises a U-shaped frame, a blanking cylinder and a clamping assembly, the blanking cylinder is vertically arranged at the top of the U-shaped frame, the output end of the blanking cylinder penetrates through the U-shaped frame, and the clamping assembly is arranged at the output end of the blanking cylinder.

Preferably, clamping component includes the installing frame, rotates motor, pivot, drive gear and two racks, the installing frame is installed on the output of unloading cylinder, it installs on the installing frame to rotate the motor, the pivot is connected on rotating the motor, drive gear installs in the pivot, be equipped with on the installing frame two symmetries set up and with rack sliding fit's second slide, two racks all with drive gear engagement, all be equipped with the pinch-off blades on every rack.

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

the automatic feeding and discharging device has the advantages that the positioning jig can be conveyed through the conveying device, the four raw materials are sequentially fed onto the positioning jig through the first feeding device and the second feeding device, then the four raw materials can be automatically positioned through the positioning assembly, the raw materials are prevented from being deviated, the four raw materials can be flattened through the flattening device, the upper surfaces of the two adjacent raw materials are in the same plane, the welding is convenient, the four raw materials can be welded and integrally formed through the welding device, and the finished product can be automatically discharged through the discharging device.

Secondly, the two first electric push rods drive the corresponding first limiting parts to move, the first limiting parts gradually lose pressing force on the raw materials, so that the raw materials in the first feeding frame can fall into the positioning jig, the two second electric push rods drive the corresponding second limiting parts to move, the second limiting parts gradually lose pressing force on the raw materials, so that the raw materials in the second feeding frame can fall into the positioning jig, and automatic feeding of the four raw materials is realized.

Thirdly, the first electric cylinder, the second electric cylinder, the third electric cylinder and the fourth electric cylinder are driven by the flattening air cylinder to move up and down in a circulating mode, and the four cylinders drive the corresponding rubber pressing blocks to move in the moving process, so that the four raw materials can be flattened by the rubber pressing blocks, and the upper surfaces of the four raw materials are prevented from being different in the same plane.

Fourthly, the rotating motor can drive the driving gear to rotate, the driving gear drives the two racks to move in opposite directions, the two clamping plates can gradually abut against the two inner walls of the finished product, the finished product is clamped by the clamping assembly, and the lifting cylinder drives the clamping assembly to ascend, so that the finished product is automatically discharged from the positioning jig.

Drawings

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

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

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

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a perspective view of the positioning fixture;

fig. 5 is a schematic perspective view of the first feeding device;

FIG. 6 is a schematic perspective view of a second feeding device;

FIG. 7 is a schematic perspective view of the platen;

FIG. 8 is a perspective view of a welding apparatus;

FIG. 9 is a schematic perspective view of the blanking device;

reference numerals: the device comprises a conveying device 1, a servo motor 1a, a first chain wheel 1b, a bearing sliding table 1c, a sliding block 1c1, a screw rod 1d, a second chain wheel 1d1, a sliding rod 1e, a first sliding seat 1f, a rotating seat 1g, a mounting seat 1h, a positioning jig 2, a moving groove 2a, a first feeding device 3, a first feeding frame 3a, a first feeding through groove 3a1, a first supporting block 3a2, a connecting rod 3a3, a second mounting plate 3a4, a first discharging component 3b, a first electric push rod 3b1, a first limiting component 3b2, a second feeding device 4, a second feeding frame 4a, a third mounting plate 4a1, a second feeding through groove 4a2, a second supporting block 4a3, a second discharging component 4b, a second electric push rod 1, a second limiting component 4b2, a flattening device 5, a first flattening device 5a, a first guiding seat 5a, a 6855 c, the welding device comprises a first guide rod 5c1, a first electric cylinder 5d, a first connecting plate 5d1, a mounting block 5d2, a rubber pressing block 5d3, a second electric cylinder 5e, a third electric cylinder 5f, a fourth electric cylinder 5g, a welding device 6, a second support frame 6a, a second guide seat 6a1, a lifting air cylinder 6b, a second bearing plate 6c, a second guide rod 6c1, a fifth electric cylinder 6d, a fourth mounting plate 6d1, a welding gun head 6d2, a sixth electric cylinder 6e, a blanking device 7, a U-shaped frame 7a, a blanking air cylinder 7b, a clamping assembly 7c, a mounting frame 7c1, a rotating motor 7c2, a rotating shaft 7c3, a driving gear 7c4, a rack 7c5, a second sliding seat 7c6, a clamping plate 7c7, a positioning assembly 8, a positioning air cylinder 8a and a positioning plate 8 b.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 9, an embodiment of the present invention provides an automatic welding device for an aluminum alloy door frame, including a conveying device 1, a positioning jig 2, a first feeding device 3, a second feeding device 4, a flattening device 5, a welding device 6, and a discharging device 7, where the positioning jig 2 is installed on the conveying device 1, the positioning jig 2 is provided with a plurality of positioning assemblies 8, the first feeding device 3, the second feeding device 4, the flattening device 5, the welding device 6, and the discharging device 7 are arranged along a straight line at intervals, the first feeding device 3 includes two first feeding frames 3a symmetrically arranged, each first feeding frame 3a is provided with a first feeding through groove 3a1 for placing a raw material, the side wall of each first feeding frame 3a is provided with two first supporting blocks 3a2 symmetrically arranged, and two ends of each first feeding frame 3a are provided with first discharging assemblies 3b, be equipped with two connecting rods 3a3 that are used for connecting between two first material loading frame 3a, second loading attachment 4 includes the second material loading frame 4a that two symmetries set up, all offers the logical groove 4a2 of second feeding that is used for placing the raw materials on every second material loading frame 4a, all is equipped with the second supporting shoe 4a3 that two symmetries set up on the lateral wall of every second material loading frame 4a, and the both ends of every second material loading frame 4a all are equipped with second blowing subassembly 4 b.

Specifically, as shown in fig. 1 to 3, fig. 1 is a schematic perspective view of the present invention, fig. 2 is a partial schematic view of the present invention, and fig. 3 is an enlarged view of a point a in fig. 2; the conveying device 1 comprises a servo motor 1a, a first chain wheel 1b, a bearing sliding table 1c, a screw rod 1d, a sliding rod 1e, a first sliding seat 1f, two symmetrically arranged rotating seats 1g and two symmetrically arranged mounting seats 1h, the screw rod 1d is rotatably arranged on the two rotating seats 1g, the slide rod 1e is arranged on the two mounting seats 1h, the bearing sliding table 1c is provided with a threaded hole in threaded fit with the screw rod 1d and a sliding groove in sliding fit with the sliding rod 1e, the screw rod 1d is provided with a second chain wheel 1d1, the servo motor 1a is positioned below the second chain wheel 1d1, the first chain wheel 1b is arranged on the output end of the servo motor 1a, the first chain wheel 1b is connected with the second chain wheel 1d1 through chain transmission, the first sliding seat 1f is positioned between the screw rod 1d and the sliding rod 1e, and the bottom of the bearing sliding table 1c is provided with a sliding block 1c1 in sliding fit with the first sliding seat 1 f; the servo motor 1a drives the first chain wheel 1b to rotate, the first chain wheel 1b drives the second chain wheel 1d1 to rotate through a chain, the second chain wheel 1d1 drives the screw rod 1d to synchronously rotate, the screw rod 1d drives the bearing sliding table 1c to move, in the moving process, the balance of the bearing sliding table 1c in the moving process can be kept through the matching of the sliding rod 1e and the sliding groove, and the balance of the bearing sliding table 1c can be further guaranteed through the matching of the sliding block 1c1 and the first sliding seat 1 f.

Specifically, as shown in fig. 4, fig. 4 is a schematic perspective view of the positioning fixture; the positioning assembly 8 comprises a positioning cylinder 8a and a positioning plate 8b, a first mounting plate which is vertically arranged is arranged on the positioning jig 2, the positioning cylinder 8a is horizontally mounted on the first mounting plate, a through hole for the positioning cylinder 8a to pass through is formed in the positioning jig 2, the positioning plate 8b is mounted on the output end of the positioning cylinder 8a, and a moving groove 2a which is used for the positioning plate 8b to move and is communicated with the through hole is formed in the positioning jig 2; the positioning cylinder 8a can drive the positioning plate 8b to move, and the positioning plate 8b fixes the raw materials in the positioning jig 2 through the moving groove 2 a.

Specifically, as shown in fig. 5, fig. 5 is a schematic perspective view of the first feeding device; the first emptying assembly 3b comprises a first electric push rod 3b1 and a first limit piece 3b2, a second mounting plate 3a4 which is horizontally arranged is arranged on the outer wall of the first feeding frame 3a, the first electric push rod 3b1 is mounted on the second mounting plate 3a4, the first limit piece 3b2 is mounted on the output end of the first electric push rod 3b1, the second emptying assembly 4b comprises a second electric push rod 4b1 and a second limit piece 4b2, a third mounting plate 4a1 which is horizontally arranged is arranged on the outer wall of the second feeding frame 4a, the second electric push rod 4b1 is mounted on the third mounting plate 4a1, and the second limit piece 4b2 is mounted on the output end of the second electric push rod 4b 1; the two first electric push rods 3b1 can drive the corresponding first limiting pieces 3b2 to move, the two first limiting pieces 3b2 gradually lose the clamping force on the raw materials in the first feeding through grooves 3a1, one raw material can automatically fall into the raw materials of the positioning jig 2, next, the two first electric push rods 3b1 drive the corresponding first limiting pieces 3b2 to clamp the next raw material, the second feeding assembly 4b has the same working principle as the first feeding assembly 3b, and therefore the purpose of automatically feeding the positioning jig 2 is achieved, and the first feeding through grooves 3a1 and the second feeding through grooves 4a2 are matched with the raw materials in shape.

Specifically, as shown in fig. 6, fig. 6 is a schematic perspective view of the second feeding device; the flattening device 5 comprises a first support frame 5a, a flattening air cylinder 5b, a first bearing plate 5c, a first electric cylinder 5d, a second electric cylinder 5e, a third electric cylinder 5f and a fourth electric cylinder 5g, the flattening air cylinder 5b is vertically arranged at the top of the first support frame 5a, the output end of the flattening air cylinder 5b penetrates through the first support frame 5a, the first bearing plate 5c is horizontally arranged at the output end of the flattening air cylinder 5b, the top of the first bearing plate 5c is provided with four first guide rods 5c1 distributed in a rectangular shape, the first support frame 5a is provided with four first guide seats 5a1 in one-to-one sliding fit with the four first guide rods 5c1, the first electric cylinder 5d, the second electric cylinder 5e, the third electric cylinder 5f and the fourth electric cylinder 5g are arranged at the bottom of the first bearing plate 5c in a rectangular shape, and the sliding tables of the four support frames are provided with first connecting plates 5d1, each first connecting plate 5d1 is provided with an L-shaped mounting block 5d2, and each mounting block 5d2 is provided with a rubber pressing block 5d 3; flattening cylinder 5b can drive first loading board 5c and circulate and go up and down, first loading board 5c drives first electric jar 5d, second electric jar 5e, third electric jar 5f and fourth electric jar 5g go up and down, four can drive and correspond first connecting plate 5d1 and installation piece 5d2 and carry out marching type removal, thereby let rubber briquetting 5d3 can flatten four raw materials, make the upper surface of four raw materials in the coplanar, first guide bar 5c1 and first guide holder 5a1 cooperation keep the balance of first loading board 5 c.

Specifically, as shown in fig. 7, fig. 7 is a schematic perspective view of the flattening device; the welding device 6 comprises a second support frame 6a, a lifting cylinder 6b, a second bearing plate 6c, a fifth electric cylinder 6d and two sixth electric cylinders 6e, wherein the lifting cylinder 6b is vertically arranged at the top of the second support frame 6a, the output end of the lifting cylinder 6b penetrates through the second support frame 6a, the second bearing plate 6c is horizontally arranged at the output end of the lifting cylinder 6b, the top of the second bearing plate 6c is provided with four second guide rods 6c1 distributed in a rectangular shape, the second support frame 6a is provided with four second guide seats 6a1 in one-to-one sliding fit with the four second guide rods 6c1, the six electric cylinders 6e are symmetrically arranged at the bottom of the second bearing plate 6c, the fifth electric cylinder 6d is arranged on the sliding tables of the two sixth electric cylinders 6e, the sliding tables of the fifth electric cylinder 6d are provided with a U-shaped fourth mounting plate 6d1, a welding gun head 6d2 is mounted on the fourth mounting plate 6d 1; the lifting cylinder 6b drives the second bearing plate 6c to lift, the second bearing plate 6c drives the fifth electric cylinder 6d and the two sixth electric cylinders 6e to lift synchronously, the fifth electric cylinder 6d and the two sixth electric cylinders 6e drive the welding gun head 6d2 to translate front, back, left and right, so that the welding gun head 6d2 can freely move in the three axial directions, and automatic welding of two adjacent raw materials is achieved.

Specifically, as shown in fig. 8 and 9, fig. 8 is a schematic perspective view of a welding device, and fig. 9 is a schematic perspective view of a blanking device; the blanking device 7 comprises a U-shaped frame 7a, a blanking cylinder 7b and a clamping assembly 7c, the blanking cylinder 7b is vertically arranged at the top of the U-shaped frame 7a, the output end of the blanking cylinder 7b penetrates through the U-shaped frame 7a, and the clamping assembly 7c is arranged at the output end of the blanking cylinder 7 b; the blanking cylinder 7b drives the clamping component 7c to lift, and the clamping component 7c can automatically clamp out a finished product on the positioning jig 2.

Specifically, as shown in fig. 8 and 9, fig. 8 is a schematic perspective view of a welding device, and fig. 9 is a schematic perspective view of a blanking device; the clamping assembly 7c comprises a mounting frame 7c1, a rotating motor 7c2, a rotating shaft 7c3, a driving gear 7c4 and two racks 7c5, the mounting frame 7c1 is mounted at the output end of the blanking cylinder 7b, the rotating motor 7c2 is mounted on the mounting frame 7c1, the rotating shaft 7c3 is connected to the rotating motor 7c2, the driving gear 7c4 is mounted on the rotating shaft 7c3, two second sliding seats 7c6 which are symmetrically arranged and are in sliding fit with the racks 7c5 are arranged on the mounting frame 7c1, the two racks 7c5 are meshed with the driving gear 7c4, and each rack 7c5 is provided with a clamping plate 7c 7; the rotating motor 7c2 can drive the rotating shaft 7c3 to rotate, the rotating shaft 7c3 electrically drives the gear 7c4 to rotate, the driving gear 7c4 drives the two racks 7c5 to move in the opposite direction, the two racks 7c5 drive the corresponding clamping plates 7c7 to move, the two clamping plates 7c7 can gradually abut against the two inner walls of a finished product, and finally the blanking cylinder 7b can drive the finished product to be separated from the positioning jig 2, so that automatic blanking is realized.

The working principle of the invention is as follows: the servo motor 1a drives the first chain wheel 1b to rotate, the first chain wheel 1b drives the second chain wheel 1d1 to rotate through a chain, the second chain wheel 1d1 drives the screw rod 1d to synchronously rotate, and the screw rod 1d drives the bearing sliding table 1c to move; when the bearing sliding table 1c moves to a position right below the first feeding device 3, the four first electric push rods 3b1 can drive the corresponding first limiting parts 3b2 to move, the two first limiting parts 3b2 on the same first feeding frame 3a gradually lose clamping force on the raw material at the lowest end, the raw material at the lowest end can just fall into the positioning jig 2, and then the first electric push rods 3b1 drive the first limiting parts 3b2 to clamp the next raw material to wait for feeding the positioning jig 2 at the next time; when the bearing sliding table 1c moves under the second feeding device 4, the second feeding device 4 automatically feeds materials to the positioning jig 2, the principle of the second feeding device 4 is the same as that of the first feeding device 3, and the first feeding through groove 3a1 and the second feeding through groove 4a2 are matched with raw materials; when the bearing sliding table 1c moves to a position right below the first support frame 5a, the flattening cylinder 5b can drive the first bearing plate 5c to circularly lift, the first bearing plate 5c drives the first electric cylinder 5d, the second electric cylinder 5e, the third electric cylinder 5f and the fourth electric cylinder 5g to lift, and the fourth bearing plate can drive the corresponding first connecting plate 5d1 and the mounting block 5d2 to move in a stepping mode, so that the rubber pressing block 5d3 can flatten the four raw materials, and the upper surfaces of the four raw materials are in the same plane; when the bearing sliding table 1c moves to a position right below the second supporting frame 6a, the lifting cylinder 6b drives the second bearing plate 6c to lift, the second bearing plate 6c drives the fifth electric cylinder 6d and the two sixth electric cylinders 6e to lift synchronously, and the fifth electric cylinder 6d and the two sixth electric cylinders 6e drive the welding gun head 6d2 to translate front, back, left and right, so that the welding gun head 6d2 can freely move in the three axial directions, and automatic welding of two adjacent raw materials is realized; when the bearing sliding table 1c moves to the position under the U-shaped frame 7a, the blanking air cylinder 7b drives the mounting frame 7c1 to move downwards, the rotating motor 7c2 can drive the rotating shaft 7c3 to rotate, the rotating shaft 7c3 electrically drives the gear 7c4 to rotate, the gear 7c4 drives the two racks 7c5 to move in the opposite direction, the two racks 7c5 drive the corresponding clamping plates 7c7 to move, the two clamping plates 7c7 can gradually abut against the two inner walls of a finished product, and finally the blanking air cylinder 7b can drive the finished product to be separated from the positioning jig 2, so that automatic blanking is realized.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A working method of an automatic welding device for an aluminum alloy door frame comprises a conveying device (1), a positioning jig (2), a first feeding device (3), a second feeding device (4), a flattening device (5), a welding device (6) and a blanking device (7), wherein the positioning jig (2) is installed on the conveying device (1), a plurality of positioning assemblies (8) are arranged on the positioning jig (2), the first feeding device (3), the second feeding device (4), the flattening device (5), the welding device (6) and the blanking device (7) are arranged at intervals along a straight line, the first feeding device (3) comprises two first feeding frames (3 a) which are symmetrically arranged, each first feeding frame (3 a) is provided with a first feeding through groove (3 a 1) for placing raw materials, the side wall of each first feeding frame (3 a) is provided with two first supporting blocks (3 a 2) which are symmetrically arranged, two ends of each first feeding frame (3 a) are provided with first discharging components (3 b), two connecting rods (3 a 3) used for connecting the two first feeding frames (3 a) are arranged between the two first feeding frames (3 a), each second feeding device (4) comprises two second feeding frames (4 a) which are symmetrically arranged, each second feeding frame (4 a) is provided with a second feeding through groove (4 a 2) used for placing raw materials, the side wall of each second feeding frame (4 a) is provided with two second supporting blocks (4 a 3) which are symmetrically arranged, and two ends of each second feeding frame (4 a) are provided with second discharging components (4 b); the first discharging assembly (3 b) comprises a first electric push rod (3 b 1) and a first limiting piece (3 b 2), a second mounting plate (3 a 4) which is horizontally arranged is arranged on the outer wall of the first feeding frame (3 a), the first electric push rod (3 b 1) is mounted on the second mounting plate (3 a 4), the first limiting piece (3 b 2) is mounted on the output end of the first electric push rod (3 b 1), the second discharging assembly (4 b) comprises a second electric push rod (4 b 1) and a second limiting piece (4 b 2), a third mounting plate (4 a 1) which is horizontally arranged is arranged on the outer wall of the second feeding frame (4 a), the second electric push rod (4 b 1) is mounted on the third mounting plate (4 a 1), and the second limiting piece (4 b 2) is mounted on the output end of the second electric push rod (4 b 1); flattening device (5) include first support frame (5 a), cylinder (5 b), first loading board (5 c), first electric jar (5 d), second electric jar (5 e), third electric jar (5 f) and fourth electric jar (5 g) flatten, air cylinder (5 b) flatten is vertical the top of installing at first support frame (5 a) to the output that flattens cylinder (5 b) runs through first support frame (5 a), first loading board (5 c) are horizontal installation on the output that flattens cylinder (5 b), the top of first loading board (5 c) is equipped with four first guide bar (5 c 1) that are the rectangle and distribute, be equipped with four on first support frame (5 a) and first guide holder (5 a 1) with four first guide bar (5 c 1) sliding fit one by one, first electric jar (5 d), second electric jar (5 e), The third electric cylinder (5 f) and the fourth electric cylinder (5 g) are arranged at the bottom of the first bearing plate (5 c) in a rectangular mode, first connecting plates (5 d 1) are arranged on sliding tables of the fourth electric cylinder and the fourth electric cylinder, an L-shaped mounting block (5 d 2) is mounted on each first connecting plate (5 d 1), and a rubber pressing block (5 d 3) is mounted on each mounting block (5 d 2);

the working method comprises the following working processes: the servo motor drives the first chain wheel to rotate, the first chain wheel drives the second chain wheel to rotate through a chain, the second chain wheel drives the screw rod to synchronously rotate, and the screw rod drives the bearing sliding table to move; when the bearing sliding table moves to a position right below the first feeding device, the four first electric push rods can drive the corresponding first limiting parts to move, the two first limiting parts on the same first feeding frame gradually lose clamping force on the raw material at the lowest end, the raw material at the lowest end can just fall into the positioning jig, and then the first electric push rods drive the first limiting parts to clamp the next raw material to wait for next feeding of the positioning jig; when the bearing sliding table moves under the second feeding device, the second feeding device automatically feeds materials to the positioning jig, the principle of the second feeding device is the same as that of the first feeding device, and the first feeding through groove and the second feeding through groove are matched with raw materials; when the bearing sliding table moves to a position right below the first support frame, the flattening air cylinder can drive the first bearing plate to circularly lift, the first bearing plate drives the first electric cylinder, the second electric cylinder, the third electric cylinder and the fourth electric cylinder to lift, and the fourth bearing plate can drive the corresponding first connecting plate and the mounting block to move in a stepping mode, so that the rubber pressing block can flatten the four raw materials, and the upper surfaces of the four raw materials are in the same plane; when the bearing sliding table moves to a position right below the second supporting frame, the lifting cylinder drives the second bearing plate to lift, the second bearing plate drives the fifth electric cylinder and the two sixth electric cylinders to lift synchronously, and the fifth electric cylinder and the two sixth electric cylinders drive the welding gun head to translate front, back, left and right, so that the welding gun head can freely move in the three axial directions, and automatic welding of two adjacent raw materials is realized; when bearing the slip table and removing under the U type frame, unloading cylinder drive installing frame moves down, rotates the motor and can drive the pivot and rotate, and the pivot drives drive gear and rotates, drives two racks of drive gear drive and carries out the removal of opposite direction, and two racks drive and correspond the grip block and remove, and two grip blocks can conflict gradually on two off-the-shelf inner walls, and last unloading cylinder can drive the finished product and break away from positioning jig, realizes automatic unloading.

2. The working method of the automatic welding device for the aluminum alloy door frame according to claim 1 is characterized in that the conveying device (1) comprises a servo motor (1 a), a first chain wheel (1 b), a bearing sliding table (1 c), a screw rod (1 d), a sliding rod (1 e), a first sliding seat (1 f), two symmetrically arranged rotating seats (1 g) and two symmetrically arranged mounting seats (1 h), the screw rod (1 d) is rotatably mounted on the two rotating seats (1 g), the sliding rod (1 e) is mounted on the two mounting seats (1 h), a threaded hole in threaded fit with the screw rod (1 d) and a sliding groove in sliding fit with the sliding rod (1 e) are formed in the bearing sliding table (1 c), a second chain wheel (1 d 1) is mounted on the screw rod (1 d), the servo motor (1 a) is located below the second chain wheel (1 d 1), first sprocket (1 b) is installed on the output of servo motor (1 a), first sprocket (1 b) is connected through chain drive with second sprocket (1 d 1), first slide (1 f) is located between lead screw (1 d) and slide bar (1 e), the bottom that bears slip table (1 c) is equipped with slider (1 c 1) with first slide (1 f) sliding fit.

3. The working method of the automatic welding device for the aluminum alloy door frame according to claim 2 is characterized in that the positioning assembly (8) comprises a positioning cylinder (8 a) and a positioning plate (8 b), a first mounting plate which is vertically arranged is arranged on the positioning jig (2), the positioning cylinder (8 a) is horizontally mounted on the first mounting plate, a through hole for the positioning cylinder (8 a) to pass through is formed in the positioning jig (2), the positioning plate (8 b) is mounted on the output end of the positioning cylinder (8 a), and a moving groove (2 a) which is used for the positioning plate (8 b) to move and is communicated with the through hole is formed in the positioning jig (2).

4. The working method of the automatic welding device for the aluminum alloy door frame according to claim 1, wherein the welding device (6) comprises a second support frame (6 a), a lifting cylinder (6 b), a second bearing plate (6 c), a fifth electric cylinder (6 d) and two sixth electric cylinders (6 e), the lifting cylinder (6 b) is vertically arranged on the top of the second support frame (6 a), the output end of the lifting cylinder (6 b) penetrates through the second support frame (6 a), the second bearing plate (6 c) is horizontally arranged on the output end of the lifting cylinder (6 b), the top of the second bearing plate (6 c) is provided with four second guide rods (6 c 1) which are distributed in a rectangular shape, the second support frame (6 a) is provided with four second guide seats (6 a 1) which are in sliding fit with the four second guide rods (6 c 1), two sixth electric jar (6 e) symmetry sets up the bottom in second loading board (6 c), install on the slip table of two sixth electric jars (6 e) fifth electric jar (6 d), be equipped with fourth mounting panel (6 d 1) that are the U type on the slip table of fifth electric jar (6 d), install welding rifle head (6 d 2) on fourth mounting panel (6 d 1).

5. The working method of the automatic welding device for the aluminum alloy door frame is characterized in that the blanking device (7) comprises a U-shaped frame (7 a), a blanking air cylinder (7 b) and a clamping assembly (7 c), the blanking air cylinder (7 b) is vertically installed at the top of the U-shaped frame (7 a), the output end of the blanking air cylinder (7 b) penetrates through the U-shaped frame (7 a), and the clamping assembly (7 c) is installed at the output end of the blanking air cylinder (7 b).

6. The working method of the automatic welding device for the aluminum alloy door frame according to claim 5, characterized in that: the clamping assembly (7 c) comprises a mounting frame (7 c 1), a rotating motor (7 c 2), a rotating shaft (7 c 3), a driving gear (7 c 4) and two racks (7 c 5), the mounting frame (7 c 1) is mounted on the output end of the blanking cylinder (7 b), the rotating motor (7 c 2) is mounted on the mounting frame (7 c 1), the rotating shaft (7 c 3) is connected with a rotating motor (7 c 2), the driving gear (7 c 4) is arranged on the rotating shaft (7 c 3), two second sliding seats (7 c 6) which are symmetrically arranged and are in sliding fit with the racks (7 c 5) are arranged on the mounting frame (7 c 1), the two racks (7 c 5) are meshed with the driving gear (7 c 4), and a clamping plate (7 c 7) is arranged on each rack (7 c 5).