An integrated steel production line and production process

Abstract

The invention discloses an integrated steel production line and production process, which includes: a square tube assembly mechanism for realizing the splicing of two square tubes; an angle iron assembly mechanism for realizing the splicing of the angle iron and the assembled square tube to form the main body of the "L"-shaped steel; a flip chamfering mechanism for realizing the chamfering of the two ends of the main body; an inner angle welding mechanism for realizing the welding of the inner angle of the main body; a tongue plate assembly mechanism for inserting and fixing the tongue plates at the two ends of the main body; a bracket assembly mechanism for positioning and installing the bracket and flange on the main body; a penetration welding mechanism for realizing full welding between the various components of the "L"-shaped steel; a square tube assembly mechanism, an angle iron assembly mechanism, a flip chamfering mechanism, an inner angle welding mechanism, a tongue plate assembly mechanism, a bracket assembly mechanism and a penetration welding mechanism are arranged in sequence. The invention realizes the full automation production of the "L"-shaped steel, greatly improving the production efficiency and product quality.

Description

Technical Field

[0001] The invention relates to the technical field of integrated steel processing, and in particular to an integrated steel production line and a production process. Background Art

[0002] Steel structure is a very important type of structure in modern buildings. It has many advantages such as high strength, light weight, good rigidity, strong toughness, etc., and is widely used. Figure 1 As shown in the figure, it is an "L" shaped steel. The main body of the integrated steel of this structure is spliced ​​by 2 square tubes and 1 angle iron. At present, the integrated steel of this structure mainly adopts manual or semi-automatic mechanical assembly and production methods with low degree of semi-automation, and the logistics of components in the production process are all discontinuous manual operation and lifting methods. There are undesirable factors such as low production efficiency, high labor cost, and unstable product quality. These undesirable factors have become the main bottleneck in the production process of integrated steel residential products; therefore, they need to be solved urgently. Summary of the invention

[0003] The purpose of the present invention is to provide an integrated steel production line and production process in order to solve the problems that the existing "L"-shaped steel is mainly assembled and produced by manual or semi-automatic mechanical methods with a low degree of semi-automaticity, and the component logistics in the production process are all discontinuous manual lifting methods, resulting in low production efficiency, high labor costs and unstable product quality.

[0004] The purpose of the present invention is to be achieved through the following technical solutions:

[0005] An integrated steel production line, comprising:

[0006] Square tube assembly mechanism, used to realize the splicing of two square tubes;

[0007] Angle iron assembly mechanism, used to realize the splicing of angle iron and rear square tube to form the main body of "L" shaped steel;

[0008] The flip chamfering mechanism is used to achieve chamfering at both ends of the main body;

[0009] The inner corner welding mechanism is used to realize the welding of the inner corner of the main body;

[0010] A tongue plate assembly mechanism, used for inserting and fixing the tongue plates at both ends of the main body;

[0011] The bracket assembly mechanism is used to position and install the bracket and flange on the main body;

[0012] Full penetration welding mechanism, used to achieve full welding between the various parts of "L" shaped steel;

[0013] The square tube assembling mechanism, the angle iron assembling mechanism, the flip chamfering mechanism, the inner angle welding mechanism, the tongue plate assembling mechanism, the corbel assembling mechanism and the penetration welding mechanism are arranged in sequence to form a fully automatic continuous production line.

[0014] As a preferred scheme of the present invention, the square tube assembling mechanism includes a first support seat, a square tube feeding device, a pre-assembly component, a first end-aligning conveying device and a first welding gun, the first welding gun is located above the joint of two square tubes, and the first support seat is provided with a plurality of first conveying roller groups, and the plurality of first conveying roller groups are arranged at intervals along the length direction of the first support seat; the square tube feeding device includes a square tube feeding platform located on both sides of the first support seat, and the square tube feeding platforms on both sides convey the square tubes to the first support seat in the middle; the pre-assembly component includes a plurality of first guide wheel groups, and the plurality of first guide wheel groups are arranged at intervals along the length direction of the first support seat, each first guide wheel group includes two first guide wheels, and the two first guide wheels are distributed on both sides of the first conveying roller group, and the first conveying roller group includes The first conveying shaft and the first conical wheels with two conical surfaces inclined on both sides, the two first conical wheels are fixed on the first conveying shaft, and the two first conical wheels are symmetrically arranged, the first conveying shaft is driven to rotate by the first conveying motor, when the bottom surfaces of the square tubes on both sides are supported by the corresponding first guide wheels and the inner side surfaces of the square tubes are in contact with the conical surfaces of the corresponding first conical wheels, the square tubes on both sides reach a pre-assembly state; the first end-aligning conveying device includes a first portal frame arranged on the first support seat, a first clamping roller group is arranged on the first portal frame and can be moved up and down, and a first end-aligning plate is installed on the first portal frame at the rear end of the first clamping roller group and can be moved up and down to realize the alignment of the two square tube ends, the first clamping roller group includes two first clamping rollers arranged in an inverted "V" shape, and the two first clamping rollers are in contact with the outer side surfaces of the corresponding square tubes.

[0015] As a preferred embodiment of the present invention, the angle iron assembly mechanism includes a second support seat, an angle iron feeding device, a second end-aligning conveying device and a second welding gun, the second welding gun is located above the joint of the angle iron and the two square tubes, and the second support seat is provided with a plurality of second conveying roller groups and a plurality of second guide wheel groups, the plurality of second conveying roller groups are arranged at intervals along the length direction of the second support seat, the plurality of second guide wheel groups are arranged at intervals along the length direction of the second support seat, and each second guide wheel group includes two second guide wheels, and two second guide wheels Distributed on both sides of the second conveying roller group, the second conveying roller group includes a second conveying shaft and two second conical wheels with conical surfaces inclined on both sides, the two second conical wheels are fixed on the second conveying shaft, and the two second conical wheels are symmetrically arranged, the second conveying shaft is driven to rotate by the second conveying motor, when working, the bottom surfaces of the two square tubes are supported by the corresponding second guide wheels, and the inner side surfaces of the square tubes are in contact with the conical surfaces of the corresponding second conical wheels; the angle iron feeding device includes a support positioning component and a material moving component located above the second support seat, and the support positioning component includes The material shifting assembly comprises a main body, a positioning roller rotatably connected to the upper end of the main body, and support rollers rotatably connected to both sides of the lower end of the main body, the main body is located on the outside of the two square tubes, and the support rollers are in contact with the top surface of the square tube. When the angle iron reaches the target splicing position, the positioning rollers are in contact with the inner wall of the corner of the angle iron. The material shifting assembly comprises a track beam, a horizontally movable trolley connected to the track beam, a lifting frame that can move up and down is provided on the trolley, a magnetic roller is rotatably installed on the lifting frame, and a driving mechanism for driving the magnetic roller to rotate is installed on the lifting frame. A magnetic motor, wherein an L-shaped groove is provided on the outer surface of the magnetic roller to match the outer surface of the angle iron; the second end-aligning conveying device comprises a second gantry frame arranged on the second support seat, a second clamping roller group is arranged on the second gantry frame and can be moved up and down, and a second end-aligning plate is installed on the second gantry frame at the rear end of the second clamping roller group and can be moved up and down to achieve alignment of the ends of the two square tubes with the ends of the angle iron, the second clamping roller group comprises two second clamping rollers arranged in an inverted "V" shape, and the two second clamping rollers are in contact with the outer side surfaces of the corresponding square tubes and angle irons.

[0016] As a preferred solution of the present invention, the flipping and chamfering mechanism includes a chamfering base, at least two first movable flipping frames and two chamfering robots, the two chamfering robots are distributed at both ends of the chamfering base, the first movable flipping frame is connected to the chamfering base and can be moved along the transfer direction of the "L"-shaped steel, and the first movable flipping frame can drive the "L"-shaped steel to flip.

[0017] As a preferred solution of the present invention, the inner corner welding mechanism includes an inner corner welding base, a third welding head and several load-bearing wheel groups, the third welding head is located above the inner corner of the "L"-shaped steel, and the several load-bearing wheel groups are arranged at intervals along the moving direction of the "L"-shaped steel. A single load-bearing wheel group includes an axle, two symmetrically arranged third conical wheels with conical surfaces inclined inwardly, and two symmetrically arranged fourth conical wheels with conical surfaces inclined inwardly. The two third conical wheels are located between the two fourth conical wheels. The third conical wheel is fixed on the axle, and the fourth conical wheel is fixed on the axle. The axle is connected to the inner corner welding motor through a sprocket chain assembly.

[0018] As a preferred solution of the present invention, the tongue plate assembly mechanism includes a tongue plate assembly seat, at least two second movable flip frames, a tongue plate welding robot and a tongue plate positioning device arranged at both ends of the tongue plate assembly seat, the second movable flip frame is connected to the tongue plate assembly seat and can be moved along the transfer direction of the "L"-shaped steel, and the second movable flip frame can drive the "L"-shaped steel to flip, the tongue plate positioning device includes a moving seat, a bracket, a support plate and a magnetic positioning plate for adsorbing the tongue plate, the magnetic positioning plate is an L-shaped structure, and the magnetic positioning plate is fixed on the support plate, the support plate is connected to the bracket and can be moved up and down, the bracket is fixed on the moving seat, and the moving seat can move along the transfer direction of the "L"-shaped steel.

[0019] As a preferred scheme of the present invention, the first movable turning frame and the second movable turning frame have the same structure and specifically include a first outer frame, a first rotating frame and a clamping and conveying device. The first outer frame is rotatably equipped with the first rotating frame, and the first rotating frame is driven to rotate by the first turning driving device. The first rotating frame is provided with a through groove for the "L"-shaped steel to pass through. The clamping and conveying device includes a first clamping roller group for clamping the square tube on one side of the "L"-shaped steel and a second clamping roller group for clamping the square tube on the other side of the "L"-shaped steel. The first clamping roller group includes a first fixed roller and a first movable roller, the first fixed roller is parallel to the first movable roller, and the first movable roller can move relative to the first fixed roller to approach or move away from the first fixed roller, and the second clamping roller group includes a second fixed roller and a second movable roller, the second fixed roller is parallel to the second movable roller, and the second movable roller can move relative to the second fixed roller to approach or move away from the second fixed roller.

[0020] As a preferred solution of the present invention, the corbel assembly mechanism includes a corbel assembly seat, at least two third movable turning frames, a corbel welding robot and a corbel positioning device for positioning the corbel position, the third movable turning frame is connected to the corbel assembly seat and can be moved along the "L"-shaped steel transfer direction, and the third movable turning frame can drive the "L"-shaped steel to turn over, the corbel positioning device includes a base, a support and an arm, the support is connected to the base so that it can move left and right, the arm is connected to the support so that it can move up and down, and the arm is equipped with a support that can move forward and backward A positioning seat, on which a positioning assembly for positioning the corbel is installed, the positioning assembly includes a first positioning arm and a second positioning arm, the first positioning arm is perpendicular to the second positioning arm, and the first positioning arm and the second positioning arm cooperate to form a positioning notch opening downward, a first positioning block for positioning is arranged on the side end face of the first positioning arm, a second positioning block for positioning is arranged on the side end face of the second positioning arm, the first positioning block protrudes from the side end face of the first positioning arm, and the second positioning block protrudes from the side end face of the second positioning arm.

[0021] As a preferred scheme of the present invention, the penetration welding mechanism includes a penetration welding seat, at least two fourth movable turning frames and a penetration welding robot, the fourth movable turning frame can be connected to the penetration welding seat and can be moved along the "L"-shaped steel transfer direction, and the fourth movable turning frame can drive the "L"-shaped steel to turn over, the third movable turning frame and the fourth movable turning frame have the same structure, and specifically include a second outer frame, a second rotating frame and a clamping assembly, the second outer frame is rotatably equipped with a second rotating frame, and the second rotating frame is driven to rotate by a second turning drive device, the second rotating frame is provided with an opening, the clamping assembly includes a support plate and a pressure plate located inside the opening, the support plate and the pressure plate are relatively arranged, and the pressure plate can be movably connected to the second rotating frame to approach or move away from the support plate, and the end surface of the pressure plate adjacent to one end of the support plate is provided with a pressure groove compatible with the "L"-shaped steel.

[0022] An integrated steel production process using the integrated steel production line as described above comprises the following steps:

[0023] a. Splice two square tubes and spot weld the outer angles formed by the two square tubes after splicing. The two square tubes after splicing are perpendicular to each other;

[0024] b. Splice the angle iron and the assembled square tube and spot weld them to form the main body of the "L"-shaped steel;

[0025] c. Chamfer both ends of the main body;

[0026] d. Weld the inner corners of two square tubes;

[0027] e. Insert tongue plates at both ends of the main body and fix them by spot welding;

[0028] f. Spot weld the bracket and flange on the main body;

[0029] g. Fully weld the “L” shaped steel.

[0030] The beneficial effect of the present invention is that, compared with the prior art, the integrated steel production line and production process realize the fully automated production of "L"-shaped steel, completely subverts the original segmented and discontinuous production mode of "L"-shaped steel, greatly improves production efficiency and product quality, saves a lot of manpower, material resources, energy and site, and greatly reduces the unsafe factors between processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a structural diagram of an integrated steel production line of the present invention;

[0032] Figure 2 It is a structural schematic diagram of "L" shaped steel;

[0033] Figure 3 It is a top view of the square tube assembly mechanism of the present invention;

[0034] Figure 4 It is a front view of the square tube assembly mechanism of the present invention;

[0035] Figure 5 It is a schematic diagram of pre-assembly in the square tube assembly mechanism of the present invention;

[0036] Figure 6 yes Figure 5 Enlarged view of point A in the middle;

[0037] Figure 7 yes Figure 4 Schematic diagram of the middle B direction;

[0038] Figure 8 yes Figure 4 Schematic diagram of the middle C direction;

[0039] Fig. 9 yes Figure 4 Schematic diagram of the middle D direction;

[0040] Fig.10 It is a top view of the angle iron assembly mechanism of the present invention;

[0041] Fig.11 It is a front view of the angle iron assembly mechanism of the present invention;

[0042] Fig.12 It is a structural schematic diagram of an angle iron feeding device in the angle iron assembling mechanism of the present invention;

[0043] Fig.13 It is a structural schematic diagram of the flip chamfering mechanism of the present invention;

[0044] Fig.14 It is a structural schematic diagram of the inner corner welding mechanism of the present invention;

[0045] Fig.15 It is a structural schematic diagram of the tongue plate positioning device of the present invention;

[0046] Fig.16 It is a schematic structural diagram of the first movable turning frame and the second movable turning frame of the present invention;

[0047] Fig.17 It is a structural schematic diagram of the bracket assembly mechanism of the present invention;

[0048] Fig.18 It is a structural schematic diagram of the corbel positioning device of the present invention;

[0049] Fig.19 It is a schematic structural diagram of the third movable turning frame and the fourth movable turning frame of the present invention.

[0050] In the figure:

[0051] 1. Square tube assembly mechanism; 2. Angle iron assembly mechanism; 3. Flip chamfering mechanism; 4. Internal angle welding mechanism; 5. Tongue plate assembly mechanism; 6. Corbel assembly mechanism; 7. Penetration welding mechanism; 8. First transition roller conveyor line; 9. Second transition roller conveyor line;

[0052] 101, first support seat; 102, first cone wheel; 103, first conveying shaft; 104, first sprocket wheel; 105, square tube loading platform; 106, first chain conveyor line; 107, auxiliary wheel; 108, transition slope; 109, first guide wheel; 110, adjustment track; 111, first door frame; 112, first cylinder; 113, first pressing roller; 114, first trimming cylinder; 115, first trimming plate; 116, first fixed door frame; 117, first welding gun; 118, first pressing roller;

[0053] 201, second support seat; 202, second conical wheel; 203, second guide wheel; 204, angle iron feeding line; 205, track beam; 206, traverse trolley; 207, magnetic roller; 208, magnetic motor; 209, lifting cylinder; 210, main body; 211, positioning roller; 212, supporting roller; 213, second welding gun; 214, mounting frame;

[0054] 301, chamfered base; 302, first movable turning frame;

[0055] 401, inner angle welding base; 402, wheel axle; 403, third conical wheel; 404, fourth conical wheel;

[0056] 501, moving seat; 502, bracket; 503, magnetic positioning plate; 504, support plate; 505, lifting cylinder; 506, moving cylinder;

[0057] 601, bracket assembly seat; 602, third movable turning frame; 603, bracket welding robot; 604, bracket positioning device; 605, base; 606, support; 607, support arm; 608, positioning seat; 609, first positioning arm; 610, second positioning arm; 611, positioning notch; 612, first positioning block; 613, second positioning block; 614, first motor; 615, first gear; 616, first guide rail; 617, first slider; 618, second rack; 619, second motor; 620, second gear; 621, lead screw; 622, third motor;

[0058] 801, first outer frame; 802, first rotating frame; 803, through slot; 804, first fixed roller; 805, first movable roller; 806, second fixed roller; 807, second movable roller; 808, reduction motor; 809, movable seat; 810, moving rod; 811, cylinder seat; 812, movable cylinder; 813, linear guide rail; 814, limit block; 815, driving motor; 816, transmission arc rack; 817, support wheel; 818, limit wheel.

[0059] 901, second outer frame; 902, second rotating frame; 903, opening; 904, support plate; 905, pressure plate; 906, pressing cylinder. DETAILED DESCRIPTION

[0060] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. Preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood. It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to another element or there may be a centering element at the same time. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0061] Please refer to Figures 1 to 19As shown, in this embodiment, an integrated steel production line includes: a square tube assembly mechanism 1, which is used to realize the splicing of two square tubes; an angle iron assembly mechanism 2, which is used to realize the splicing of the angle iron and the assembled square tube to form the main body of the "L"-shaped steel; a flip chamfering mechanism 3, which is used to realize the chamfering of both ends of the main body; an inner angle welding mechanism 4, which is used to realize the welding of the inner angle of the main body; a tongue plate assembly mechanism 5, which is used to insert and fix the tongue plates at both ends of the main body; a corbel assembly mechanism 6, which is used to position and install the corbel on the main body; a full penetration welding mechanism 7, which is used to realize full welding between the various components of the "L"-shaped steel; a first transition roller conveyor line 8 is provided between the angle iron assembly mechanism 2 and the flip chamfering mechanism 3, and a second transition roller conveyor line 9 is provided between the tongue plate assembly mechanism 5 and the corbel assembly mechanism 6;

[0062] The square tube assembly mechanism 1, the angle iron assembly mechanism 2, the first transition roller conveyor line 8, the flip chamfering mechanism 3, the inner angle welding mechanism 4, the tongue plate assembly mechanism 5, the second transition roller conveyor line 9, the corbel assembly mechanism 6 and the penetration welding mechanism 7 are arranged in sequence to form a fully automatic continuous production line.

[0063] Specifically, in this embodiment, the square tube assembly mechanism 1 includes a first support seat 101, a square tube feeding device, a pre-assembly component, a first end-aligning conveying device and a first welding gun 117, wherein the first welding gun 117 is located above the joint of two square tubes, and the first support seat 101 is provided with a plurality of first conveying roller groups, and the plurality of first conveying roller groups are arranged at intervals along the length direction of the first support seat 101; the square tube feeding device includes a square tube feeding table 105 located on both sides of the first support seat 101, The square tube loading platforms 105 on both sides convey the square tubes to the first supporting seat 101 in the middle, and a plurality of first chain conveyor lines 106 inclined toward the first supporting seat 101 and conveying the square tubes are arranged side by side on the square tube loading platforms 105; the pre-assembled components include a plurality of first guide wheel groups, and the plurality of first guide wheel groups are arranged at intervals along the length direction of the first supporting seat 101, and each first guide wheel group includes two first guide wheels 109, and the two first guide wheels 109 are distributed on both sides of the first conveying roller group. In the example, the first guide wheel 109 is installed on an inclined adjustment track 110, which can adjust the corresponding position according to the length of the square tube. The first chain conveyor line 106 is provided with an auxiliary wheel 107 near the first guide wheel 109 to form a transition slope 108, so that the square tubes can be tilted one by one to avoid interference from adjacent square tubes. The first conveying roller group includes a first conveying shaft 103 and two first conical wheels 102 with conical surfaces inclined on both sides. The two first conical wheels 102 are fixed on the first conveying shaft 103. , and the two first conical wheels 102 are symmetrically arranged, the first conveying shaft 103 is driven to rotate by the first conveying motor. In this embodiment, a first sprocket is installed on the first conveying shaft 103, and the first sprockets of each first conveying roller group are connected by a first chain to achieve synchronous transmission, so that only one first conveying motor is needed to achieve conveying. When the bottom surfaces of the square tubes on both sides are supported by the corresponding first guide wheels 109 and the inner side surfaces of the square tubes are in contact with the conical surfaces of the corresponding first conical wheels 102, the square tubes on both sides reach a pre-assembly state;The first end-aligning conveying device comprises a first door frame 111 arranged on the first support seat 101, a first pressing roller group is arranged on the first door frame 111 and can move up and down, and a first cylinder 112 for driving the first pressing roller group to move up and down is fixedly installed on the first door frame 111, a first end-aligning plate 115 is arranged on the first door frame 111 and can move up and down at the rear end of the first pressing roller group to achieve the alignment of the two square tube ends, and a first cylinder 112 for driving the first pressing roller group to move up and down is fixedly installed on the first door frame 111, and a first end-aligning plate 115 is arranged on the first door frame 111 and can move up and down at the rear end of the first pressing roller group to achieve the alignment of the two square tube ends, and a first cylinder 112 for driving the first pressing roller group to move up and down is fixedly installed on the first door frame 111. The first head-aligning cylinder 114 moves the head-aligning plate 115 up and down, and the first pressing roller group includes two first pressing rollers 113 arranged in an inverted "V" shape, and the two first pressing rollers 113 are in contact with the outer side of the corresponding square tube. In addition, the first support seat 101 is provided with a first fixed door frame 116 in front and rear of the first welding gun 117, and the first fixed door frame 116 is provided with an inverted "V"-shaped first pressing roller 118 in contact with the outer side of the corresponding square tube to ensure that there is no shaking during welding, thereby improving the welding effect. ;

[0064] Specifically, in this embodiment, the angle iron assembly mechanism 2 includes a second support seat 201, an angle iron feeding device, a second end-aligning conveying device and a second welding gun 213, the second welding gun 213 is located above the joint of the angle iron and the two square tubes, and the second support seat 201 is provided with a plurality of second conveying roller groups and a plurality of second guide wheel groups, the plurality of second conveying roller groups are arranged at intervals along the length direction of the second support seat 201, the plurality of second guide wheel groups are arranged at intervals along the length direction of the second support seat 201, each second guide wheel group includes two second guide wheels 203, and the two second guide wheels 203 are distributed on the second conveying roller On both sides of the wheel group, the second conveying roller group includes a second conveying shaft and two second conical wheels 202 with conical surfaces inclined on both sides. The two second conical wheels 202 are fixed on the second conveying shaft, and the two second conical wheels 202 are symmetrically arranged. The second conveying shaft is driven to rotate by the second conveying motor. In this embodiment, a second sprocket is installed on the second conveying shaft, and the second sprockets of each second conveying roller group are connected by a second chain to achieve synchronous transmission, so that only one second conveying motor is needed to achieve transportation. When working, the bottom surfaces of the two square tubes are supported by the corresponding second guide wheels 203, and the inner side surfaces of the square tubes are in contact with the conical surfaces of the corresponding second conical wheels 202. The angle iron feeding device includes a support and positioning component, a material moving component located above the second support seat 201, and an angle iron feeding line 204 for providing angle irons. The support and positioning component is fixed and suspended on the second support seat 201 through a mounting frame 214. The mounting frame 214 is located at the front end of the second support seat 201 and does not affect the feeding of the angle iron. The support and positioning component includes a main body 210, a positioning roller 211 rotatably connected to the upper end of the main body 210, and support rollers 212 rotatably connected to both sides of the lower end of the main body 210. The main body 210 is located on the outside of the two square tubes, and the support rollers 212 are in contact with the top surface of the square tube. When the angle iron reaches the target splicing position, the positioning roller 211 is in contact with the inner wall of the angle iron corner, and the material moving assembly includes a track beam 205, a horizontally movable trolley 206 connected to the track beam 205, a lifting frame that can move up and down is provided on the trolley 206, and a lifting cylinder 209 for driving the lifting frame to move up and down is fixedly installed on the trolley 206, a magnetic roller 207 is rotatably installed on the lifting frame through a bearing, and a magnetic motor 208 for driving the magnetic roller 207 to rotate is installed on the lifting frame, and an L-shaped notch is provided on the outer surface of the magnetic roller 207 to adapt to the outer surface of the angle iron;The second end-aligning conveying device has the same structure as the first end-aligning conveying device. Specifically, the second end-aligning conveying device includes a second gantry frame arranged on the second support seat 201, and a second pressing roller group is arranged on the second gantry frame so as to be movable up and down, and a second cylinder for driving the second pressing roller group to move up and down is installed on the second gantry frame, and a second end-aligning plate is arranged on the rear end of the second pressing roller group so as to align the ends of the two square tubes with the ends of the angle irons, and a second end-aligning cylinder for driving the second end-aligning plate to move up and down is installed on the second gantry frame, and the second pressing roller group includes two second pressing rollers arranged in an inverted "V" shape, and the two second pressing rollers are in contact with the outer side surfaces of the corresponding square tubes and angle irons; in addition, a second fixed gantry frame is arranged on the second support seat in front of and behind the second welding gun, and a second inverted "V"-shaped second pressing roller is arranged on the second fixed gantry frame so as to ensure that there is no shaking during welding, thereby improving the welding effect. ;

[0065] Specifically, in the present embodiment, the flipping and chamfering mechanism 3 comprises a chamfering base 301, two first movable flipping frames 302 and two chamfering robots (not shown in the figure), the two chamfering robots are distributed at both ends of the chamfering base 301, the first movable flipping frame 302 is connected to the chamfering base 301 and can be moved along the conveying direction of the "L"-shaped steel, and the first movable flipping frame 302 can drive the "L"-shaped steel to flip.

[0066] Specifically, in this embodiment, the inner corner welding mechanism 4 includes an inner corner welding base 401, a third welding head (not shown in the figure) and a plurality of load-bearing wheel groups, wherein the third welding head is located above the inner corner of the "L"-shaped steel, and the plurality of load-bearing wheel groups are arranged at intervals along the transfer direction of the "L"-shaped steel, and a single load-bearing wheel group includes a wheel axle 402, two symmetrically arranged third conical wheels 403 with the conical surfaces inclined inwardly, and two symmetrically arranged fourth conical wheels 404 with the conical surfaces inclined inwardly. 04, the two third conical wheels 403 are located between the two fourth conical wheels 404. When working, the angle iron of the "L"-shaped steel fits with the conical surfaces of the two third conical wheels 403, and the two square tubes of the "L"-shaped steel fit with the conical surfaces of the two fourth conical wheels 404 respectively. The third conical wheels 403 are fixed on the wheel axle 402, and the fourth conical wheels 404 are fixed on the wheel axle 402. The wheel axle 402 is connected to the inner angle welding motor through a sprocket chain assembly.

[0067] Specifically, in this embodiment, the tongue plate assembly mechanism 5 includes a tongue plate assembly seat, two second movable flip frames, a tongue plate welding robot and a tongue plate positioning device arranged at the ends of the tongue plate assembly seat, the second movable flip frame can be connected to the tongue plate assembly seat and can be moved along the "L"-shaped steel transfer direction, and the second movable flip frame can drive the "L"-shaped steel to flip, the tongue plate positioning device includes a moving seat 501, a bracket 502, a support plate 504 and a magnetic positioning plate 503 for adsorbing the tongue plate, and the bracket 502 is a gantry The bracket 502 is configured so that when the support plate 504 is located at the bottom, the "L"-shaped steel can pass through the bracket 502, the magnetic positioning plate 503 is an L-shaped structure, and the magnetic positioning plate 503 is fixed on the support plate 504, the support plate 504 is driven by a lifting cylinder 505 to move up and down, and the support plate 504 is slidably connected to the bracket 502 so as to move up and down, the bracket 502 is fixed on the moving seat 501, and the moving seat 501 is driven by a moving cylinder 506 to move along the conveying direction of the "L"-shaped steel.

[0068] Specifically, in the present embodiment, the first movable flip frame 302 and the second movable flip frame have the same structure, and specifically include a first outer frame 801, a first rotating frame 802 and a clamping and conveying device. The first outer frame 801 is rotatably equipped with the first rotating frame 802, and the first rotating frame 802 is driven to rotate by a first flip driving device. The first flip driving device includes a driving motor 815, a driving gear and a transmission circular arc rack 816. The driving motor 815 is fixedly mounted on the first outer frame 801, the driving gear is fixed on the output shaft of the driving motor 815, and the transmission circular arc rack 816 is fixed on the outer ring of the first rotating frame 802. The driving gear is meshed with the transmission arc rack 816. The first outer frame 801 is arranged at the bottom of the first rotating frame 802 as a supporting and positioning seat of the first rotating frame 802. The first outer frame 801 includes a first arc frame and a second arc frame. The first arc frame and the second arc frame are arranged in parallel with each other, and the first arc frame is fixedly connected to the second arc frame. A plurality of supporting wheels 817 are correspondingly arranged on the first arc frame and the second arc frame. A limiting wheel 818 is arranged to cooperate with each supporting wheel 817. The two sides of the outer ring of the first rotating frame 802 are respectively arranged between the supporting wheel 817 and the limiting wheel 818. The rotating frame 802 is provided with a through slot 803 for the "L"-shaped steel to pass through, the through slot 803 includes a first long slot for the square tube on one side of the "L"-shaped steel to pass through, a second long slot for the square tube on the other side of the "L"-shaped steel to pass through, and a square slot for the angle iron of the "L"-shaped steel to pass through, one end of the square slot is connected to the first long slot, and the other end of the square slot is connected to the second long slot, the through slot 803 is an L-shaped structure, the clamping and conveying device includes a first clamping roller group for clamping the square tube on one side of the "L"-shaped steel and a second clamping roller group for clamping the square tube on the other side of the "L"-shaped steel, the first clamping roller group includes a first fixed roller 804 and a first movable roller 805, the first fixed roller 806 and the second movable roller 807 are connected to each other, and the first movable roller 808 is connected to each other. 04 is parallel to the first movable roller 805, the first movable roller 805 can move relative to the first fixed roller 804 to approach or move away from the first fixed roller 804, the second clamping roller group includes a second fixed roller 806 and a second movable roller 807, the second fixed roller 806 is parallel to the second movable roller 807, the second movable roller 807 can move relative to the second fixed roller 806 to approach or move away from the second fixed roller 806; the first fixed roller 804, the first movable roller 805, the second fixed roller 806, and the second movable roller 807 are all equipped with independent reduction motors 808 to achieve rotation, thereby being able to drive the "L"-shaped steel to move.

[0069] Furthermore, the first movable roller 805 and the second movable roller 807 are both fixed on a movable seat 809, and the movable seat 809 is connected to a moving rod 810. A cylinder seat 811 is fixedly installed on the first rotating frame 802, and a movable cylinder 812 is hinged on the cylinder seat 811, and an output end of the movable cylinder 812 is hinged to one end of the moving rod 810; in an initial state, the first long groove and the second long groove are symmetrical with respect to the center of the first rotating frame 802, the square groove is located above the first long groove in the up and down direction, and the square groove is located above the second long groove in the up and down direction, the moving rod 810 is arranged horizontally, a linear guide rail 813 is arranged on the first rotating frame 802 in the up and down direction, and a linear slider slidingly matched with the linear guide rail 813 is fixed on the movable seat 809.

[0070] In order to limit the movable distance of the first movable roller 805 and the second movable roller 807, in this embodiment, a limit block 814 is installed on the first rotating frame 802, and a limit groove is opened in the middle of the moving rod 810. The limit block 814 is located in the limit groove, and the length of the limit groove in the up and down direction is greater than the length of the limit block 814 in the up and down direction.

[0071] Specifically, in this embodiment, the corbel assembly mechanism 6 includes a corbel assembly seat 601, two third movable flip frames 602, a corbel welding robot 603 and a corbel positioning device 604 for positioning the corbel position, the third movable flip frame 602 can be connected to the corbel assembly seat 601 and can be moved along the "L"-shaped steel transfer direction, and the third movable flip frame 602 can drive the "L"-shaped steel to flip, the corbel positioning device 604 includes a base 605, a support 606 and a support arm 607, the support 606 can be connected to the base 605 and can be moved left and right, the support arm 607 can be connected to the support 606 and can be moved up and down, and the support arm 607 is equipped with a positioning device that can move forward and backward Seat 608, a positioning assembly for positioning the corbel is installed on the positioning seat 608, the positioning assembly includes a first positioning arm 609 and a second positioning arm 610, the first positioning arm 609 is perpendicular to the second positioning arm 610, and the first positioning arm 609 and the second positioning arm 610 cooperate to form a positioning notch 611 opening downward, a first positioning block 612 for positioning is arranged on the side end face of the first positioning arm 609, and a second positioning block 613 for positioning is arranged on the side end face of the second positioning arm 610, the first positioning block 612 protrudes from the side end face of the first positioning arm 609, and the second positioning block 613 protrudes from the side end face of the second positioning arm 610.

[0072] Furthermore, a first rack is arranged on the support 606 along the up-down direction, a first motor 614 and a first reducer are installed on the support arm 607, the output shaft of the first motor 614 is drivingly connected to the input shaft of the first reducer, a first gear 615 meshing with the first rack is fixedly connected to the output shaft of the first reducer, a first guide rail 616 is arranged on the support 606 along the up-down direction, a first slider 617 slidably matched with the first guide rail 616 is fixedly connected to the support arm 607; a second rack 618 is arranged on the base 605 along the left-right direction, a second motor 619 and a second reducer are installed on the support 606, the output shaft of the second motor 619 is connected to the The input shaft of the second reducer is connected in transmission, and the output shaft of the second reducer is fixedly connected with a second gear 620 meshing with the second rack 618, a second guide rail is arranged on the base 605 along the left-right direction, and a second slider slidably matched with the second guide rail is fixedly connected to the support 606; a screw rod 621 is arranged on the support arm 607 along the front-to-back direction, and the screw rod 621 is driven to rotate by the third motor 622, a screw nut is fixedly connected to the positioning seat 608, and the screw nut is threadedly connected to the screw rod 621, a third guide rail is arranged on the support arm 607 along the front-to-back direction, and a third slider slidably matched with the third guide rail is fixedly connected to the positioning seat 608.

[0073] Specifically, in this embodiment, the penetration welding mechanism 7 includes a penetration welding seat, two fourth movable turning frames and a penetration welding robot, the fourth movable turning frame can be connected to the penetration welding seat and can be moved along the "L"-shaped steel conveying direction, and the fourth movable turning frame can drive the "L"-shaped steel to turn over.

[0074] Furthermore, in the present embodiment, the third movable flip frame 602 and the fourth movable flip frame have the same structure and specifically include a second outer frame 901, a second rotating frame 902 and a clamping assembly. The second outer frame 901 is rotatably equipped with a second rotating frame 902, and the second rotating frame 902 is driven to rotate by a second flip driving device. In the present embodiment, the second flip driving device has the same structure as the first flip driving device and will not be described in detail herein. The second rotating frame 902 is provided with an opening 903 for facilitating the entry and exit of the "L"-shaped steel. The clamping assembly includes a support plate 904 and a pressure plate 905 located inside the opening 903. The support plate 904 and the pressure plate 905 are arranged opposite to each other, and the pressure plate 905 is driven by a clamping cylinder 906 and can be movably connected to the second rotating frame 902 to approach or move away from the support plate 904. The pressure plate 905 is provided with a pressure groove matching the "L"-shaped steel on the end surface adjacent to one end of the support plate 904.

[0075] Since the volume of the "L"-shaped steel changes after the installation of the corbel, the structural form of the first movable turning frame 302 cannot be used for fixed turning, and the structural form of the third movable turning frame 602 must be used, that is, an opening 903 is set on the second rotating frame 902 to facilitate the removal of the "L"-shaped steel, and the transfer of the "L"-shaped steel between the second transition roller conveyor line 9 and the corbel assembly mechanism 6, and the transfer of the "L"-shaped steel between the corbel assembly mechanism 6 and the full penetration welding mechanism 7 are all transferred by crane.

[0076] The present embodiment also discloses an integrated steel production process using the integrated steel production line as described above, comprising the following steps: a. splicing two square tubes and spot welding the outer angle formed by the two square tubes after splicing, and the two square tubes after splicing are perpendicular to each other; b. splicing the angle iron and the assembled square tubes and spot welding to form the main body of the "L"-shaped steel; c. chamfering both ends of the main body; d. welding the inner angles of the two square tubes; e. inserting tongue plates at both ends of the main body and spot welding them to fix them; f. positioning and spot welding the brackets and flanges on the main body; g. fully welding the "L"-shaped steel.

[0077] The above embodiments are only to illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may be subjected to various changes and modifications, which are within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims.

Claims

1. An integrated steel production line, characterized in that: include: Square tube assembly mechanism, used to realize the splicing of two square tubes; Angle iron assembly mechanism, used to realize the splicing of angle iron and rear square tube to form the main body of "L" shaped steel; The flip chamfering mechanism is used to achieve chamfering at both ends of the main body; The inner corner welding mechanism is used to realize the welding of the inner corner of the main body; A tongue plate assembly mechanism, used for inserting and fixing the tongue plates at both ends of the main body; The bracket assembly mechanism is used to position and install the bracket and flange on the main body; Full penetration welding mechanism, used to achieve full welding between the various parts of "L" shaped steel; The square tube assembly mechanism, the angle iron assembly mechanism, the flip chamfering mechanism, the inner angle welding mechanism, the tongue plate assembly mechanism, the bracket assembly mechanism and the penetration welding mechanism are arranged in sequence to form a fully automatic continuous production line; The square tube assembly mechanism includes a first support seat, a square tube feeding device, a pre-assembly component, a first end-aligning conveying device and a first welding gun, wherein the first welding gun is located above the joint of two square tubes, and a plurality of first conveying roller groups are arranged on the first support seat, and the plurality of first conveying roller groups are arranged at intervals along the length direction of the first support seat; The angle iron assembly mechanism includes a second support seat, an angle iron feeding device, a second end-aligning conveying device and a second welding gun, wherein the second welding gun is located above the joint of the angle iron and the two square tubes, and the second support seat is provided with a plurality of second conveying roller groups and a plurality of second guide wheel groups, wherein the plurality of second conveying roller groups are arranged at intervals along the length direction of the second support seat; The flip chamfering mechanism comprises a chamfering base, at least two first movable flip frames and two chamfering robots, wherein the two chamfering robots are distributed at both ends of the chamfering base; The inner corner welding mechanism includes an inner corner welding base, a third welding head and a plurality of load-bearing wheel groups, wherein the third welding head is located above the inner corner of the "L"-shaped steel; The tongue plate assembly mechanism comprises a tongue plate assembly seat, at least two second movable turning frames, a tongue plate welding robot and tongue plate positioning devices arranged at both ends of the tongue plate assembly seat; The corbel assembly mechanism includes a corbel assembly seat, at least two third movable turning frames, a corbel welding robot and a corbel positioning device for locating the corbel position; The penetration welding mechanism comprises a penetration welding seat, at least two fourth movable turning frames and a penetration welding robot.

2. The integrated steel production line according to claim 1, characterized in that: The square tube feeding device includes square tube feeding platforms located on both sides of the first support seat, and the square tube feeding platforms on both sides transport square tubes to the first support seat in the middle; the pre-assembled component includes a plurality of first guide wheel groups, and the plurality of first guide wheel groups are arranged at intervals along the length direction of the first support seat, and each first guide wheel group includes two first guide wheels, and the two first guide wheels are distributed on both sides of the first conveying roller group, and the first conveying roller group includes a first conveying shaft and two first conical wheels with conical surfaces inclined on both sides, and the two first conical wheels are fixed on the first conveying shaft, and the two first conical wheels are symmetrically arranged, and the first conveying shaft Driven to rotate by the first conveying motor, when the bottom surfaces of the square tubes on both sides are supported by the corresponding first guide wheels and the inner side surfaces of the square tubes are in contact with the conical surfaces of the corresponding first conical wheels, the square tubes on both sides reach a pre-assembly state; the first end-aligning conveying device includes a first portal frame arranged on the first support seat, a first clamping roller group is arranged on the first portal frame and can be moved up and down, and a first end-aligning plate is installed on the first portal frame at the rear end of the first clamping roller group and can be moved up and down to achieve alignment of the ends of the two square tubes, the first clamping roller group includes two first clamping rollers arranged in an inverted "V" shape, and the two first clamping rollers are in contact with the outer side surfaces of the corresponding square tubes.

3. The integrated steel production line according to claim 2, characterized in that: The plurality of second guide wheel groups are arranged at intervals along the length direction of the second support seat, and each second guide wheel group includes two second guide wheels, and the two second guide wheels are distributed on both sides of the second conveying roller group, and the second conveying roller group includes a second conveying rotating shaft and two second conical wheels inclined on both sides of the conical surfaces, the two second conical wheels are fixed on the second conveying rotating shaft, and the two second conical wheels are symmetrically arranged, and the second conveying rotating shaft is driven to rotate by the second conveying motor. During operation, the bottom surfaces of the two square tubes are supported by the corresponding second guide wheels, and the inner side surfaces of the square tubes are in contact with the conical surfaces of the corresponding second conical wheels; the angle iron feeding device includes a support and positioning assembly and a material moving assembly located above the second support seat, the support and positioning assembly includes a main body, a positioning roller rotatably connected to the upper end of the main body, and support rollers rotatably connected to both sides of the lower end of the main body, the main body is located on the outside of the two square tubes, and the support rollers are in contact with the top surfaces of the square tubes. When the angle iron reaches the target splicing position, the positioning roller is in contact with the inner wall of the corner of the angle iron, and the material moving assembly includes a track beam and a transverse trolley connected to the track beam and can move horizontally. A lifting frame is provided on the transverse trolley and can move up and down, and a magnetic roller is rotatably installed on the lifting frame, and a magnetic motor that drives the magnetic roller to rotate is installed on the lifting frame, and an L-shaped groove is provided on the outer surface of the magnetic roller to adapt to the outer surface of the angle iron; the second end-aligning conveying device includes a second portal frame arranged on the second support seat, a second clamping roller group is provided on the second portal frame and can move up and down, and a second end-aligning plate is installed on the second portal frame at the rear end of the second clamping roller group and can move up and down to realize the alignment of the ends of the two square tubes with the ends of the angle iron, and the second clamping roller group includes two second clamping rollers arranged in an inverted "V" shape, and the two second clamping rollers are in contact with the outer side surfaces of the corresponding square tubes and angle irons.

4. The integrated steel production line according to claim 3, characterized in that: The first movable turning frame is connected to the chamfering base and can move along the "L"-shaped steel conveying direction, and the first movable turning frame can drive the "L"-shaped steel to turn.

5. The integrated steel production line according to claim 4, characterized in that: The several load-bearing wheel groups are arranged at intervals along the conveying direction of the "L"-shaped steel. A single load-bearing wheel group includes a wheel axle, two symmetrically arranged third conical wheels with conical surfaces inclined inwardly, and two symmetrically arranged fourth conical wheels with conical surfaces inclined inwardly. The two third conical wheels are located between the two fourth conical wheels. The third conical wheels are fixed on the wheel axle, and the fourth conical wheels are fixed on the wheel axle. The wheel axle is connected to the inner corner welding motor through a sprocket chain assembly.

6. The integrated steel production line according to claim 5, characterized in that: The second movable flip frame is connected to the tongue plate assembly seat and can move along the transfer direction of the "L"-shaped steel, and the second movable flip frame can drive the "L"-shaped steel to flip. The tongue plate positioning device includes a movable seat, a bracket, a support plate and a magnetic positioning plate for adsorbing the tongue plate. The magnetic positioning plate is an L-shaped structure, and the magnetic positioning plate is fixed on the support plate. The support plate is connected to the bracket and can move up and down. The bracket is fixed on the movable seat, and the movable seat can move along the transfer direction of the "L"-shaped steel.

7. The integrated steel production line according to claim 6, characterized in that: The first movable turning frame and the second movable turning frame have the same structure and specifically include a first outer frame, a first rotating frame and a clamping and conveying device. The first outer frame is rotatably equipped with the first rotating frame, and the first rotating frame is driven to rotate by the first turning driving device. The first rotating frame is provided with a through slot for the "L"-shaped steel to pass through. The clamping and conveying device includes a first clamping roller group for clamping the square tube on one side of the "L"-shaped steel and a second clamping roller group for clamping the square tube on the other side of the "L"-shaped steel. The first clamping roller group includes a first fixed roller and a first movable roller. The first fixed roller is parallel to the first movable roller. The first movable roller can move relative to the first fixed roller to approach or move away from the first fixed roller. The second clamping roller group includes a second fixed roller and a second movable roller. The second fixed roller is parallel to the second movable roller. The second movable roller can move relative to the second fixed roller to approach or move away from the second fixed roller.

8. An integrated steel production line according to any one of claims 1 to 7, characterized in that: The third movable turning frame is connected to the corbel assembly seat and can move along the "L"-shaped steel transfer direction, and the third movable turning frame can drive the "L"-shaped steel to turn over. The corbel positioning device includes a base, a support and a support arm. The support is connected to the base so as to move left and right, the support arm is connected to the support so as to move up and down, and a positioning seat is installed on the support arm so as to move forward and backward. A positioning assembly for positioning the corbel is installed on the positioning seat, and the positioning assembly includes a first positioning arm and a second positioning arm. The first positioning arm is perpendicular to the second positioning arm, and the first positioning arm and the second positioning arm cooperate to form a positioning notch opening downward. A first positioning block for positioning is arranged on the side end surface of the first positioning arm, and a second positioning block for positioning is arranged on the side end surface of the second positioning arm. The first positioning block protrudes from the side end surface of the first positioning arm, and the second positioning block protrudes from the side end surface of the second positioning arm.

9. The integrated steel production line according to claim 8, characterized in that: The fourth movable turning frame is connected to the penetration welding seat and can be moved along the "L"-shaped steel conveying direction, and the fourth movable turning frame can drive the "L"-shaped steel to turn over. The third movable turning frame and the fourth movable turning frame have the same structure and specifically include a second outer frame, a second rotating frame and a clamping assembly. The second outer frame is rotatably equipped with a second rotating frame, and the second rotating frame is driven to rotate by a second turning driving device. An opening is provided on the second rotating frame, and the clamping assembly includes a support plate and a pressure plate located inside the opening. The support plate and the pressure plate are relatively arranged, and the pressure plate can be movably connected to the second rotating frame to approach or move away from the support plate. A pressure groove matching the "L"-shaped steel is provided on the end surface of the pressure plate adjacent to one end of the support plate.

10. An integrated steel production process using the integrated steel production line according to any one of claims 1 to 9, characterized in that: The following steps are involved: a. Splice two square tubes and spot weld the outer angles formed by the two square tubes after splicing. The two square tubes after splicing are perpendicular to each other; b. Splice the angle iron and the assembled square tube and spot weld them to form the main body of the "L"-shaped steel; c. Chamfer both ends of the main body; d. Weld the inner corners of two square tubes; e. Insert tongue plates at both ends of the main body and fix them by spot welding; f. Spot weld the bracket and flange on the main body; g. Fully weld the "L" shaped steel.

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