Angle iron assembly device

Abstract

The invention discloses an angle iron assembly device, comprising: a support seat, on which a conveying roller and a guide assembly located on both sides of the conveying roller are arranged, a plurality of conveying rollers are arranged at intervals along the length direction of the support seat to form a production conveying line, the guide assembly comprises a guide wheel, the conveying roller comprises two conical wheels with conical surfaces inclined to both sides, the bottom surfaces of two square tubes are supported by the corresponding guide wheels, and the inner sides are in contact with the conical surfaces of the corresponding conical wheels; a feeding mechanism comprises a material moving rack located above the support seat, the material moving rack comprises a track beam, a transverse trolley capable of moving back and forth and lifting is arranged on the track beam, a material picking roller is arranged on the transverse trolley, the material picking roller comprises two magnetic wheels in contact with each other and with conical surfaces inclined to the middle, so as to adapt to the outer surface of the angle iron; a limiting mechanism is used to calibrate and maintain the assembled state of the angle iron and the two square tubes; a welding mechanism comprises a welding gun arranged at the joint of the angle iron and the two square tubes in the assembled state.

Description

Technical Field

[0001] The invention relates to the technical field of section steel assembly, in particular to an angle iron assembly device. 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. It is widely used. In the face of various construction needs, there is a situation where two square tubes need to be spliced ​​into an "L" shape. At this time, the edges of the two square tubes are close together to form a negative angle, and the connection strength is poor, making it difficult to ensure structural stability. Therefore, it is necessary to set another angle iron to form a complete "L" shaped steel, such as Figure 8 As shown. However, in the face of this special assembly need, the position accuracy of the angle iron is required to be high. The series of actions such as feeding, pre-assembly, transportation, and welding require a high degree of mechanical automation. The accuracy of the flow action, the degree of maintenance of the pre-assembly state, the positioning accuracy, etc. will affect the quality of the finished product and increase the difficulty of research and development. The existing robot gripping method is difficult to meet the position accuracy requirements and is not suitable for this working condition, which in turn affects subsequent welding. Therefore, it is hoped that a special equipment will be designed for the above working conditions to achieve automated production. Summary of the invention

[0003] The purpose of the present invention is to provide an angle iron assembly device to realize the automated flow of angle iron self-loading, pre-splicing, conveying and welding processes, obtain the target splicing shape, improve the assembly efficiency, ensure the splicing quality, and meet the needs of automated production.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] An angle iron assembly device is used to realize the assembly of two "L"-shaped square tubes and angle irons, which comprises: a support seat, a conveying roller and a guide assembly located on both sides of the conveying roller are arranged on the support seat, a plurality of conveying rollers are arranged at intervals along the length direction of the support seat to form a production conveying line, the guide assembly comprises a guide wheel, the conveying roller comprises two conical wheels with conical surfaces inclined to both sides, the bottom surfaces of the two square tubes are supported by the corresponding guide wheels, and the inner side surfaces are in contact with the conical surfaces of the corresponding conical wheels;

[0006] The feeding mechanism comprises a material moving frame located above the support seat, the material moving frame comprises a track beam, a traverse trolley capable of moving back and forth and lifting is arranged on the track beam, a material taking roller is arranged on the traverse trolley, the material taking roller comprises two magnetic suction wheels which are close to each other and inclined toward the middle with a cone surface, so as to adapt to the outer surface of the angle iron, and the material taking roller absorbs the angle iron and moves the angle iron to the two square tubes to realize pre-splicing;

[0007] The limit mechanism is located behind the feeding mechanism and is used to calibrate and maintain the assembly state of the angle iron and the two square tubes;

[0008] The welding mechanism is located behind the limiting mechanism and comprises a welding gun arranged at the joint of the angle iron and the two square tubes in the assembled state.

[0009] Furthermore, the track beam includes two I-beams arranged at intervals, and the two I-beams are fixedly connected by a connecting beam. The transverse movement trolley includes movable plates respectively arranged corresponding to the two I-beams, and the movable plates are provided with upper rollers fitted with the upper surfaces of the I-beams and lower rollers fitted with the lower surfaces of the I-beams. The upper rollers of the two movable plates are coaxially fixedly connected by a transmission shaft, and the transmission shaft is driven to rotate by the transverse movement motor.

[0010] Furthermore, lifting cylinders are respectively arranged on the two movable plates, the lifting cylinders on both sides are synchronously driven and connected to the mounting plate, and a plurality of material taking rollers are neatly arranged on the lower surface of the mounting plate and are consistent with the length direction of the angle iron.

[0011] Furthermore, the two magnetic wheels are fixedly connected to the core shaft through a key, the core shaft is rotatably connected to the mounting plate, and the core shaft of at least one material taking roller is driven to rotate by a feeding motor.

[0012] Furthermore, the feeding mechanism also includes a feeding rack located on one side of the support seat, the feeding rack includes a mounting platform, conveying wheels are arranged at both ends of the mounting platform, a conveying chain for transmitting to the support seat is arranged on the conveying wheel, the conveying wheel is driven to rotate by a conveying motor, a plurality of angle irons are placed horizontally on the conveying chain with their edges facing upward, and a stop block for limiting the angle irons is arranged at the conveying end of the conveying chain.

[0013] Furthermore, the feeding mechanism also includes a supporting and positioning assembly, which includes a main body, a first supporting roller rotatably connected to the upper end of the main body, and a second supporting roller 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 second supporting roller is in contact with the top surface of the square tube. When the angle iron reaches the target splicing position, the first supporting roller is in contact with the inner wall of the corner of the angle iron.

[0014] Furthermore, the support and positioning assembly is fixed by a mounting bracket and suspended on the support seat. The mounting bracket is located at the front end of the support seat and does not affect the loading of the angle iron.

[0015] Furthermore, the limiting mechanism includes a first gantry frame arranged on the support seat, the first gantry frame is provided with a first driving cylinder, the piston rod of the first driving cylinder is connected to a lifting plate, and the lifting plate is provided with two clamping rollers arranged in an inverted "V" shape, and the two clamping rollers are in contact with the outer side surfaces of the corresponding square tubes and angle irons.

[0016] Furthermore, a second driving cylinder is arranged on the first gantry, and a piston rod of the second driving cylinder is connected to a head-leveling plate, which is located behind the lifting plate. The head-leveling plate is lifted and lowered to align the angle iron with the ends of the two square tubes.

[0017] Furthermore, a second gantry is provided on the support seat and in front of and behind the welding gun, and an inverted "V"-shaped guide roller is provided on the second gantry to abut against the outer side surfaces of the corresponding square tube and angle iron.

[0018] In summary, the beneficial effect of the present invention is that, compared with the prior art, the angle iron assembly device realizes the integrated fully automatic production of angle irons from feeding to welding. In view of the instability of the shape and installation position of the angle irons, the pre-splicing of the angle irons is realized through the feeding mechanism. Compared with the conventional manipulator grasping method, the action is precise and stable, and the assembly state is guaranteed by the limiting mechanism, thereby ensuring the welding quality. It also subverts the original segmented and discontinuous semi-automatic production mode, avoids many intermediate links, saves a lot of manpower, material resources, energy and space, and greatly reduces the unsafe factors between the processes. Among them, the angle iron conveying, assembly and circulation actions are accurate, which reduces the operation difficulty of the welding process, greatly improves the production efficiency and product quality, and meets the needs of automated production. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a top view of the angle iron assembly device provided by an embodiment of the present invention;

[0020] Figure 2 is a front view of an angle iron assembly device provided by an embodiment of the present invention;

[0021] Figure 3 It is a structural schematic diagram of a feeding structure in an angle iron assembling device provided in an embodiment of the present invention;

[0022] Figure 4 yes Figure 3 Front view of the middle material transfer rack;

[0023] Figure 5 yes Figure 2 Schematic diagram of the middle A direction;

[0024] Figure 6 yes Figure 2 Schematic diagram of the middle B direction;

[0025] Figure 7 yes Figure 2 Schematic diagram of the middle C direction;

[0026] Figure 8 It is a schematic diagram of the assembly state of an angle iron and two square tubes. DETAILED DESCRIPTION

[0027] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0028] See also Figures 1 to 7As shown, this embodiment provides an angle iron assembly device for realizing the assembly of two "L"-shaped square tubes 32 and angle irons 31, which includes a support seat 1, a feeding mechanism, a limiting mechanism and a welding mechanism.

[0029] Due to the specific splicing shape, the two square tubes 32 need to be fixed first and then combined with the angle iron 31. Therefore, the support seat 1 is provided with a conveying roller 2 and a guide assembly located on both sides of the conveying roller 2. Several conveying rollers 2 are arranged at intervals along the length direction of the support seat 1 to form a production conveyor line. The guide assembly includes a guide wheel 3. The conveying roller 2 includes two conical wheels with conical surfaces inclined to both sides. The bottom surfaces of the two square tubes 32 are supported by the corresponding guide wheels 3, and the inner side surfaces are in contact with the conical surfaces of the corresponding conical wheels, thereby realizing the fixation and assembly line transportation of the two square tubes 32.

[0030] The feeding mechanism includes a feeding rack, a moving rack and a supporting and positioning assembly.

[0031] The feeding rack is located on one side of the support seat 1, and includes a mounting platform 4, a conveying wheel 5, and a conveying chain 6 that transmits to the support seat 1. The conveying wheel 5 is arranged at both ends of the mounting platform 4, and the conveying chain 6 is assembled on the conveying wheel 5. The conveying wheel 5 is driven to rotate by a conveying motor 7. The bottom of the mounting platform 4 is fixedly supported by two support columns, and the height of at least one support column is adjustable. Several angle irons 31 are placed horizontally on the conveying chain 6 with their edges facing upward, and a stopper 8 is provided at the conveying end of the conveying chain 6 to limit the angle irons 31.

[0032] The material transfer rack comprises a track beam located above the support seat 1 and above the conveyor chain 6, and a transverse moving trolley capable of moving back and forth and lifting and lowering is arranged on the track beam.

[0033] The track beam includes two I-beams 9 arranged at intervals, and the two I-beams 9 are fixedly connected by a connecting beam. The transverse movement trolley includes movable plates 10 respectively arranged corresponding to the two I-beams 9. The movable plates 10 are provided with upper rollers 11 affixed to the upper surfaces of the I-beams 9 and lower rollers 12 affixed to the lower surfaces of the I-beams 9. The upper rollers 11 of the two movable plates 10 are coaxially fixedly connected by a transmission shaft 13, and the transmission shaft 13 is driven to rotate by a transverse movement motor 14.

[0034] The transverse trolley is provided with a material picking roller 15, which includes two magnetic wheels which are close to each other and inclined toward the middle with cone surfaces, so as to adapt to the outer surface of the angle iron 31. After the material picking roller 15 absorbs the angle iron 31, it moves the angle iron 31 to two square tubes 32 to achieve pre-splicing.

[0035] Furthermore, the two magnetic wheels are fixedly connected to the core shaft by keys, and the core shaft is rotatably connected to the mounting plate 18. The core shaft of at least one material-retrieving roller 15 is driven to rotate by the feeding motor 16, giving power to the driving angle iron 31 to move axially, which is convenient for integration into the automated production line.

[0036] The two moving plates 10 are respectively provided with lifting cylinders 17, and the lifting cylinders 17 on both sides are synchronously driven and connected with the mounting plate 18, and a plurality of material taking rollers 15 are neatly arranged on the lower surface of the mounting plate 18, and are consistent with the length direction of the angle iron 31. In addition, the mounting plate 18 is provided with a guide rod extending upward, and the moving plate 10 is provided with a guide sleeve corresponding to the guide rod to ensure the lifting stability.

[0037] This embodiment is aimed at the splicing condition of "L"-shaped profiles. In order to ensure the accurate positioning of the angle iron 31, a support positioning assembly is set, which includes a main body 19, a first support roller 20 rotatably connected to the upper end of the main body 19, and a second support roller 21 rotatably connected to both sides of the lower end of the main body 19. The main body 19 is located on the outside of the two square tubes 32, and the second support roller 21 is in contact with the top surface of the square tube 32. When the angle iron 31 reaches the target splicing position, the first support roller 20 is in contact with the inner wall of the corner of the angle iron 31. In addition, the support positioning assembly is fixed and suspended on the support seat 1 through the mounting bracket 33. The mounting bracket is located at the front end of the support seat 1 and does not affect the feeding of the angle iron 31.

[0038] The limiting mechanism is located behind the feeding mechanism and is used to calibrate and maintain the assembled state of the angle iron 31 and the two square tubes 32. It includes a first gantry 22 arranged on the support seat 1, a first drive cylinder 23 is arranged on the first gantry 22, a piston rod of the first drive cylinder 23 is connected to a lifting plate 27, and two pressing rollers 24 arranged in an inverted "V" shape are arranged on the lifting plate 27. The two pressing rollers 24 are in contact with the outer side surfaces of the corresponding square tubes 32 and the angle iron 31.

[0039] A second driving cylinder 25 is provided on the first gantry 22, and a piston rod of the second driving cylinder 25 is connected to a head plate 26. The head plate 26 is located behind the lifting plate 27. The head plate 26 is lifted and lowered to align the angle iron 31 with the ends of the two square tubes 32, thereby ensuring that the two square tubes 32 and the angle iron 31 are accurately and stably spliced ​​at the subsequent welding position, thereby ensuring the welding quality.

[0040] In addition, a second gantry 28 is provided on the support seat 1 and in front and behind the welding gun 30. The second gantry 28 is provided with an inverted "V"-shaped guide roller 29 that abuts against the outer side surfaces of the corresponding square tube 32 and angle iron 31 to ensure the welding effect.

[0041] The welding mechanism is located behind the limiting mechanism, and includes a welding gun 30 arranged at the joint of the angle iron 31 and the two square tubes 32 in the assembled state. Since welding is required on both sides, welding guns 30 can be set on both sides to perform welding simultaneously. The welding gun 30 can be fixed and only needs to be aimed at the joint. The welding is completed while the angle iron 31 and the square tube 32 are being transported, thereby forming an assembly line operation.

[0042] In summary, the angle iron assembly device realizes the integrated fully automatic production of angle iron from feeding to welding. In view of the instability of the shape and installation position of the angle iron, the pre-splicing of the angle iron is realized through the feeding mechanism. Compared with the conventional manipulator grasping method, the action is precise and stable. The assembly state is guaranteed by the limit mechanism, thereby ensuring the welding quality. It subverts the original segmented and discontinuous semi-automatic production mode, avoids many intermediate links, saves a lot of manpower, material resources, energy and space, and greatly reduces the unsafe factors between processes. Among them, the angle iron conveying, assembly and circulation actions are accurate, which reduces the operation difficulty of the welding process, greatly improves the production efficiency and product quality, and meets the needs of automated production.

[0043] 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 examples. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and modifications, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An angle iron assembly device, used to realize the assembly of two "L"-shaped square tubes and angle irons, characterized in that: include A support seat, wherein a conveying roller and a guide assembly located on both sides of the conveying roller are arranged on the support seat, and a plurality of the conveying rollers are arranged at intervals along the length direction of the support seat to form a production conveying line, wherein the guide assembly includes a guide wheel, and the conveying roller includes two conical wheels with conical surfaces inclined to both sides, and the bottom surfaces of the two square tubes are supported by the corresponding guide wheels, and the inner side surfaces are in contact with the conical surfaces of the corresponding conical wheels; The feeding mechanism comprises a material moving frame located above the supporting seat, the material moving frame comprises a track beam, a traverse trolley capable of moving back and forth and lifting and lowering is arranged on the track beam, a material taking roller is arranged on the traverse trolley, the material taking roller comprises two magnetic suction wheels which are close to each other and inclined toward the middle with a cone surface, so as to adapt to the outer surface of the angle iron, and the material taking roller absorbs the angle iron and moves the angle iron to two square tubes to realize pre-splicing; A limiting mechanism, located behind the feeding mechanism, is used to calibrate and maintain the assembly state of the angle iron and the two square tubes; as well as A welding mechanism, located behind the limiting mechanism, includes a welding gun arranged at the joint of the angle iron and the two square tubes in the assembled state; The track beam includes two I-beams arranged at intervals, the two I-beams are fixedly connected by a connecting beam, the traverse trolley includes moving plates respectively arranged corresponding to the two I-beams, the moving plates are provided with upper rollers affixed to the upper surfaces of the I-beams and lower rollers affixed to the lower surfaces of the I-beams, the upper rollers of the two moving plates are coaxially fixedly connected by a transmission shaft, and the transmission shaft is driven to rotate by a traverse motor; The feeding mechanism also includes a feeding rack located on one side of the support seat, the feeding rack includes a mounting platform, conveying wheels are arranged at both ends of the mounting platform, a conveying chain for transmitting to the support seat is arranged on the conveying wheel, the conveying wheel is driven to rotate by a conveying motor, a plurality of angle irons are placed horizontally on the conveying chain with their edges facing upward, and a stop block for limiting the angle irons is arranged at the conveying end of the conveying chain.

2. The angle iron assembly device according to claim 1, characterized in that: The two movable plates are respectively provided with lifting cylinders, the lifting cylinders on both sides are synchronously driven and connected with mounting plates, and a plurality of material taking rollers are neatly arranged on the lower surface of the mounting plate and are consistent with the length direction of the angle iron.

3. The angle iron assembly device according to claim 2, characterized in that: The two magnetic wheels are fixedly connected to the core shaft through a key, and the core shaft is rotatably connected to the mounting plate. The core shaft of at least one material taking roller is driven to rotate by a feeding motor.

4. The angle iron assembly device according to claim 1, characterized in that: The feeding mechanism also includes a support and positioning assembly, which includes a main body, a first support roller rotatably connected to the upper end of the main body, and a second support roller 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 second support roller is in contact with the top surface of the square tube. When the angle iron reaches the target splicing position, the first support roller is in contact with the inner wall of the corner of the angle iron.

5. The angle iron assembly device according to claim 4, characterized in that: The support and positioning assembly is fixed by a mounting bracket and suspended on the support seat. The mounting bracket is located at the front end of the support seat and does not affect the feeding of the angle iron.

6. The angle iron assembly device according to claim 1, characterized in that: The limiting mechanism includes a first gantry frame arranged on the support seat, a first driving cylinder is arranged on the first gantry frame, a piston rod of the first driving cylinder is connected to a lifting plate, and two clamping rollers arranged in an inverted "V" shape are arranged on the lifting plate, and the two clamping rollers are in contact with the outer side surfaces of the corresponding square tubes and angle irons.

7. The angle iron assembly device according to claim 6, characterized in that: A second driving cylinder is arranged on the first gantry, and a piston rod of the second driving cylinder is connected to a head-leveling plate, and the head-leveling plate is located behind the lifting plate. The head-leveling plate is lifted and lowered to align the angle iron with the ends of the two square tubes.

8. The angle iron assembly device according to claim 6, characterized in that: A second gantry is provided on the support seat and in front of and behind the welding gun, and an inverted "V"-shaped guide roller is provided on the second gantry to abut against the outer side surfaces of the corresponding square tube and angle iron.

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