CN114147356A

CN114147356A - High-power steel frame welding equipment for nuclear power

Info

Publication number: CN114147356A
Application number: CN202111558678.8A
Authority: CN
Inventors: 王庆丰; 林克斌; 谢曼霞; 朱昱畡; 周学慧; 张凯
Original assignee: Shenzhen Tete Laser Technology Co Ltd
Current assignee: Shenzhen Tete Laser Technology Co Ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-03-08

Abstract

The invention discloses high-power steel frame welding equipment for nuclear power, which comprises a rack, and a feeding station, a welding station and a discharging station which are sequentially arranged on the rack, wherein the welding station is arranged on the rack; the feeding station comprises a feeding trolley, a positioning platform and a feeding mechanism; the feeding trolley is used for conveying production materials; the feeding mechanism reciprocates between a feeding point and a welding station; the feeding mechanism is used for grabbing materials on the feeding trolley and sending the materials to the positioning platform; the welding station comprises a movable welding table, a pressing mechanism and a multi-angle welding mechanism; the pressing mechanism and the multi-angle welding mechanism are respectively arranged on two sides of the rack; the pressing device of the pressing mechanism can move up and down and is used for pressing the production materials on the movable welding table; the multi-angle welding mechanism is used for welding; the blanking station comprises a blanking trolley and a blanking mechanism, the blanking trolley is arranged at a blanking point in the rack and is used for installing the welding finished product blanking mechanism and grabbing the welding finished product of the welding machine station and sending the welding finished product to the blanking trolley.

Description

High-power steel frame welding equipment for nuclear power

Technical Field

The invention relates to the field of welding equipment, in particular to high-power steel frame welding equipment for nuclear power.

Background

Welding, also known as fusion welding, is a manufacturing process and technique that combines metals or other thermoplastic materials in a heated, high temperature or high pressure manner. The energy sources for modern welding are many, including gas flames, electric arcs, lasers, electron beams, and the like. In addition to being used in a factory, welding can also be used in different environments.

At present, a steel frame and a steel plate are generally welded together by laser welding equipment during production, the steel frame and the steel plate are usually manually placed at specified positions respectively during processing, and then the steel frame and the steel plate are welded together by the laser welding equipment; the steel frame and the steel plate are easily displaced when being placed together through manual feeding, so that the production quality is not uniform, and the production efficiency of the semi-automatic production mode is low. Therefore, a steel frame welding device which is full-automatic, good in welding effect and high in production efficiency is needed.

Disclosure of Invention

The invention mainly aims to provide high-power steel frame welding equipment for nuclear power, and aims to provide steel frame welding equipment which is full-automatic, good in welding effect and high in production efficiency.

In order to achieve the purpose, the high-power steel frame welding equipment for the nuclear power, provided by the invention, comprises a rack, and a feeding station, a welding station and a discharging station which are sequentially arranged on the rack; the feeding station comprises a feeding trolley, a positioning platform and a feeding mechanism; the feeding trolley is arranged at a blanking point in the rack and used for conveying production materials; the feeding mechanism is arranged at the top of the rack and is in sliding connection with the rack; the feeding mechanism reciprocates between a feeding point and the welding station; the feeding mechanism is used for grabbing materials on the feeding trolley and sending the materials to the positioning platform; the welding station comprises a movable welding table, a pressing mechanism and a multi-angle welding mechanism; the movable welding table moves back and forth between the positioning platform and the blanking station; the pressing mechanism and the multi-angle welding mechanism are respectively arranged on two sides of the rack; the pressing device of the pressing mechanism can move up and down and is used for pressing the production materials on the movable welding table; the multi-angle welding mechanism is used for welding; the blanking station comprises a blanking trolley and a blanking mechanism, and the blanking trolley is arranged at a blanking point in the rack and used for loading welding finished products; the blanking mechanism is arranged at the top of the rack and is in sliding connection with the rack; the blanking mechanism reciprocates between the welding station and the blanking point and is used for grabbing a welding finished product of the welding station and sending the welding finished product to the blanking trolley.

Preferably, the feeding trolley comprises a trolley body, a jacking platform, a plurality of jacking cylinders and a plurality of fixing parts, and a plurality of positioning shafts are arranged at the top of the trolley body; the jacking platform is arranged at the top of the trolley body, and a material box is arranged at the top of the jacking platform; the jacking platform penetrates through the positioning shafts to move up and down along the positioning shafts; a plurality of jacking positioning structures are arranged on two sides of the frame, positioning holes are formed in the tops of the jacking positioning structures, and the positioning holes are located below fixing holes of a feeding point of the frame; the jacking cylinders are arranged below the jacking positioning structure and drive the jacking platform to lift along the positioning shaft; when the fixed piece is lifted up by the jacking platform, one end of the fixed piece is inserted into the fixed hole and extends into the positioning hole.

Preferably, the material box is in threaded connection with the jacking platform; the periphery of the material box is provided with a limiting structure, and the limiting structure is arranged at the top of the material box and encloses a space for placing materials.

Preferably, the feeding mechanism comprises a moving frame, a lifting driving assembly and a material taking mechanism; the movable frame is arranged at the top of the rack and is in sliding connection with the rack; the moving frame slides back and forth between a feeding point in the rack and the welding station; the lifting driving assembly is arranged at the top of the rack; the upper end of the material taking mechanism is in transmission connection with the lifting driving assembly; the bottom of the material taking mechanism is provided with a plurality of grabbing assemblies, a plurality of jacking assemblies and a plurality of sucking assemblies.

Preferably, the material taking mechanism further comprises a top plate, a bottom plate and a plurality of connecting rods, wherein the top plate and the bottom plate are respectively and fixedly connected with two ends of the connecting rods; the top plate is in transmission connection with the lifting driving assembly; the suction component, the grabbing component and the jacking component are arranged at the bottom of the bottom plate; the tight suction assembly comprises a plurality of air valves and a plurality of suckers, the air valves are arranged at the top of the bottom plate, the suckers are arranged at the bottom of the bottom plate, the air valves are communicated with the suckers, and the air valves are connected with an external electrical control device; the grabbing component is a mechanical claw which is arranged at the bottom of the bottom plate and is connected with an external electric control device; the jacking assembly comprises a motor and a jacking rod, the motor is arranged at the top of the bottom plate, one end of the jacking rod is in transmission connection with the motor, and the other end of the jacking rod extends out of the bottom plate; the motor drives the ejector rod to move up and down.

Preferably, the mobile welding table comprises a sliding mechanism, a rotating table and a limiting disc, the rotating table is connected with the rack in a sliding mode through the sliding mechanism, and the limiting disc is arranged on the top of the rotating table; the rotating table slides between the feeding station and the discharging station in a reciprocating mode.

Preferably, the pressing mechanism comprises a mounting frame, a driving device, an Oldham coupling and the pressing device, the driving device is mounted on the mounting frame in a manner of moving up and down, and the pressing device is mounted on the driving device; the crosshead shoe shaft coupling is located between the pressing device and the moving device, the crosshead shoe shaft coupling can drive the pressing device to move along a first direction and a second direction, and the first direction is perpendicular to the second direction.

Preferably, the pressing device is connected with a driving shaft of the driving device, and the driving device can drive the pressing device to move up and down; the pressing device comprises a pressing plate and a plurality of pressing pieces, the pressing pieces are arranged at intervals along the length direction of the pressing plate, the pressing pieces are located below the pressing plate, and the pressing pieces are elastically connected with the pressing plate through elastic pieces.

Preferably, the multi-angle welding mechanism comprises a first movable table, a second movable table, a lifting mechanism, an installation table and a welding head; the first movable table is arranged at the top of the rack in a sliding mode, the first movable table moves along the linear direction between the feeding station and the discharging station, the second movable table is arranged at the top of the first movable table in a sliding mode, and the sliding direction of the second movable table is perpendicular to that of the first movable table; the lifting mechanism is hinged with the second movable table; the lifting mechanism drives the mounting table to move up and down, and the welding head is mounted on the mounting table.

Preferably, the first movable table is connected with the frame in a sliding mode through a first guide rail, and the first guide rail is arranged along the linear direction between the feeding station and the discharging station; the second movable table is connected with the top of the first movable table through a second guide rail, and the arrangement direction of the second guide rail is vertical to that of the first guide rail; the lifting mechanism comprises a third guide rail, and the bottom of the third guide rail is hinged with the top of the second movable table.

According to the technical scheme, the steel frame is produced by full-automatic welding through the arrangement of the feeding station, the welding station and the discharging station, the production quality and the production efficiency are ensured, and the production cost is reduced. An operator moves a feeding trolley filled with production materials to a feeding point in the rack, a feeding mechanism slides to the upper part of the feeding trolley, and the steel frame is conveyed to a positioning platform; then the feeding mechanism returns to the feeding point again, and the steel plate is grabbed and sent to the positioning platform to be overlapped on the steel frame; the feeding mechanism grabs and moves the combined steel frame and steel plate to a movable welding table of a welding station, the movable welding table bearing the steel frame and the steel plate moves to the position below the pressing mechanism, and the pressing mechanism moves downwards and presses the steel plate and the steel frame tightly; then, the steel frame and the steel plate are welded at multiple positions through a multi-angle welding mechanism; after welding is finished; the movable welding table bears the welded steel frame and moves to a blanking station; the blanking mechanism grabs the welded steel frame and moves the welded steel frame to a blanking point, the blanking trolley is arranged at the blanking point, and the blanking mechanism puts the welded steel frame on the blanking trolley; the operator can use the blanking handcart to transport the finished product away; the welding machine has the characteristics of full-automatic production, good welding effect, high production efficiency and labor input saving.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a high-power steel frame welding device for nuclear power of the invention.

Fig. 2 is a schematic structural diagram of the feeding mechanism in fig. 1.

Fig. 3 is a partially enlarged view of a in fig. 2.

Fig. 4 is a schematic structural diagram of the feeding station in fig. 1.

Fig. 5 is a schematic structural diagram of the feeding station in fig. 1.

Fig. 6 is a schematic structural diagram of a feeding trolley of the high-power steel frame welding equipment for nuclear power.

FIG. 7 is a schematic structural diagram of a welding station of the high-power steel frame welding equipment for nuclear power.

Fig. 8 is a schematic structural view of the chinese pressing device of fig. 7.

FIG. 9 is a schematic structural diagram of a multi-angle welding mechanism of the high-power steel frame welding equipment for nuclear power of the invention.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

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

It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a high-power steel frame welding device for nuclear power.

Referring to fig. 1 to 9, in an embodiment of the present invention, the high-power steel frame welding equipment for nuclear power includes a frame 10, and a feeding station 1, a welding station 2, and a discharging station 3 sequentially disposed on the frame 10; the feeding station 1 comprises a feeding trolley 11, a positioning platform 12 and a feeding mechanism 13; the feeding trolley 11 is arranged at a blanking point in the rack 10 and used for conveying production materials; the feeding mechanism 13 is arranged at the top of the frame 10 and is connected with the frame 10 in a sliding manner; the feeding mechanism 13 reciprocates between a feeding point and the welding station 2; the feeding mechanism 13 is used for grabbing materials on the feeding trolley 11 and sending the materials to the positioning platform 12; the welding station 2 comprises a movable welding table 21, a pressing mechanism 22 and a multi-angle welding mechanism 23; the movable welding table 21 reciprocates between the positioning platform 12 and the blanking station 3; the pressing mechanism 22 and the multi-angle welding mechanism 23 are respectively arranged at two sides of the frame 10; the pressing device 221 of the pressing mechanism 22 can move up and down and is used for pressing the production materials on the movable welding table 21; the multi-angle welding mechanism 23 is used for welding; the blanking station 3 comprises a blanking trolley 31 and a blanking mechanism 32, wherein the blanking trolley 31 is arranged at a blanking point in the rack 10 and is used for loading welding finished products; the blanking mechanism 32 is arranged at the top of the frame 10 and is connected with the frame 10 in a sliding manner; the blanking mechanism 32 reciprocates between the welding station 2 and a blanking point, and the blanking mechanism 32 is used for grabbing a welding finished product of the welding station and sending the welding finished product to the blanking trolley 31.

In the structure, the full-automatic welding production of the steel frame is realized by arranging the feeding station 1, the welding station 2 and the discharging station 3, the production quality and the production efficiency are ensured, and the production cost is reduced. An operator moves the feeding trolley 11 filled with production materials to a feeding point in the rack 10, the feeding mechanism 13 slides to the upper part of the feeding trolley 11, and the steel frame is conveyed to the positioning platform 12; then the feeding mechanism 13 returns to the feeding point again, picks up the steel plate and sends the steel plate to the positioning platform 12 to be stacked on the steel frame; the feeding mechanism 13 grabs and moves the combined steel frame and steel plate to the movable welding table 21 of the welding station 2, the movable welding table 21 bearing the steel frame and the steel plate moves to the lower part of the pressing mechanism 22, and the pressing mechanism 22 moves downwards and presses the steel plate and the steel frame tightly; then, the steel frame and the steel plate are welded at multiple positions through a multi-angle welding mechanism 23; after welding is finished; the movable welding table 21 bears the welded steel frame and moves to the blanking station 3; the blanking mechanism 32 grabs the welded steel frame and moves to a blanking point, the blanking trolley 31 is arranged at the blanking point, and the welded steel frame is placed on the blanking trolley 31 by the blanking structure; the operator can use the blanking trolley 31 to transport the finished product away; the welding machine has the characteristics of full-automatic production, good welding effect, high production efficiency and labor input saving.

Further, the feeding trolley 11 comprises a trolley body 111, a jacking platform 112, a plurality of jacking cylinders 113 and a plurality of fixing pieces 114, and a plurality of positioning shafts 1111 are arranged at the top of the trolley body 111; the jacking platform 112 is arranged at the top of the trolley body 111, and a material box 115 is arranged at the top of the jacking platform 112; the jacking platform 112 penetrates through the positioning shafts 1111 to move up and down along the positioning shafts 1111; a plurality of jacking positioning structures 116 are arranged on two sides of the frame, positioning holes 1161 are arranged at the tops of the jacking positioning structures 116, and the positioning holes 1161 are located below the fixing holes 101 of the feeding points of the frame 10; the jacking cylinders 113 are arranged below the jacking positioning structure 116 and drive the jacking platform 112 to lift along the positioning shaft 1111; when the lifting platform 112 is lifted, one end of the fixing member 114 is inserted into the fixing hole 101 and extends into the positioning hole 1161. The loading trolley 11 and the unloading trolley 31 have the same structure.

In the structure, the trolley body 111 convenient to move is adopted to convey materials, the materials are placed in the material box 115, the trolley body 111 is pushed to a feeding point of production equipment, the jacking mechanism is jacked to the jacking positioning structure 116, the jacking positioning structure 116 is driven to ascend, and meanwhile the jacking platform 112 ascends along the positioning shaft 1111; the second positioning hole 1161 of the jacking positioning structure 116 is close to the fixing hole 101 of the production equipment, and then the fixing member 114 is used to penetrate through the fixing hole 101 and the second positioning hole 1161, so that the jacking platform 112 is connected with the production equipment; the position of the jacking platform 112 is accurately positioned by using the fixing hole 101, and meanwhile, the jacking platform 112 is fixed with production equipment through a fixing piece 114; when the materials need to be added, the fixing part 114 is pulled out of the fixing hole 101 and the second positioning hole 1161, the jacking cylinder retracts, meanwhile, the jacking positioning descends under the action of gravity, the jacking platform 112 descends along the positioning shaft 1111 and falls on the top of the trolley body 111 again, at the moment, the trolley body 111 is moved to a material stacking position to be added with the materials, the trolley body 111 filled with the materials is pushed back to a feeding point of production equipment, and then the operation is repeated; the positioning shaft 1111 has a guiding function, so that the jacking platform 112 is prevented from moving in the upward movement process and cannot accurately fall back to the top of the trolley body 111 when descending; the structure has the characteristics of accurate positioning, simple fixation and convenient unlocking.

Further, the material box 115 is in threaded connection with the jacking platform 112; limiting structures 1151 are arranged around the material box 115, and the limiting structures 1151 are arranged at the top of the material box 115 and enclose a space for placing materials. In the structure, when materials need to be added, the trolley body 111 is moved, the trolley body 111 is separated from production equipment, and the material box 115 is detached from the jacking platform 112; only the material box 115 is moved to a material stacking position to load the materials, and then the material box 115 loaded with the materials is installed on the jacking platform 112 again; the whole material trolley does not need to be manually pushed back and forth, so that the time and labor are saved, the operation is convenient, and the production is more facilitated.

Preferably, the feeding mechanism 13 includes a moving frame 131, a lifting driving assembly 132 and a material taking mechanism 133; the moving frame 131 is arranged at the top of the frame 10 and is slidably connected with the frame 10; the moving frame 131 slides back and forth between the feeding point and the welding station 2 in the frame 10; the lifting driving component 132 is arranged on the top of the frame 10; the upper end of the material taking mechanism 133 is in transmission connection with the lifting driving assembly 132; the bottom of the material extracting mechanism 133 is provided with a plurality of grabbing assemblies 1331, a tightening assembly 1332 and a plurality of tightening assemblies 1333.

It should be noted that the blanking mechanism 13 has substantially the same structure as the feeding mechanism 32, except that only a plurality of grabbing assemblies 1331 and a plurality of jacking assemblies 1332 are arranged at the bottom of the blanking mechanism 32.

In the above structure, the moving frame 131 capable of moving on the rack 10 is adopted, the moving frame 131 slides back and forth between the feeding point and the positioning platform 12, and the lifting driving assembly 132 and the material taking mechanism 133 are matched to sequentially grab the steel frame and the steel plate from the feeding point to the positioning platform 12; firstly, when a steel frame is grabbed, when the movable frame 131 moves to a feeding point, the lifting driving assembly 132 drives the material fetching mechanism 133 to descend, the grabbing assembly 1331 at the bottom of the material fetching mechanism 133 grabs the steel frame, the lifting driving assembly 132 drives the material fetching mechanism 133 to ascend, the movable frame 131 moves to the positioning platform 12, then the lifting driving assembly 132 drives the material fetching mechanism 133 to descend and places the grabbed frame on the positioning platform 12, finally, the lifting driving assembly 132 drives the material fetching mechanism 133 to ascend, and the movable frame 131 returns to the feeding point to finish the material fetching action of the steel frame; when a steel plate is grabbed, the lifting driving assembly 132 drives the material fetching mechanism 133 to descend, the grabbing assembly 1331 at the bottom of the material fetching mechanism 133 grabs the steel plate, meanwhile, the sucking assembly 1333 sucks the top surface of the steel plate, and then the actions of lifting and moving are repeated to place the steel plate on the top of the steel frame on the positioning platform 12; finally, the grabbing assembly 1331 material taking mechanism 133 grabs the combined steel frame and steel plate, meanwhile, the jacking assembly 1332 moves downwards and props against the top of the steel plate, and then the combined steel frame and steel plate are moved to the welding station 2 and put down to finish feeding; the jacking mechanism is used for preventing the steel frame and the steel plate from generating relative movement in the moving process of the moving frame 131; the grabbing component 1331 of the material taking mechanism 133 at the blanking position grabs the welded steel frame and moves the welded steel frame from the blanking point to a material receiving structure through the moving frame 131 to complete blanking; the steel plate grabbing device has the advantages of firm grabbing, fixing the relative positions of the steel frame and the steel plate when the grabbing hand moves, reducing the defective rate and being simple in structure.

Further, the material taking mechanism 133 further includes a top plate 1334, a bottom plate 1335 and a plurality of connecting rods 1336, wherein the top plate 1334 and the bottom plate 1335 are respectively fixedly connected with two ends of the connecting rods 1336; the top plate 1334 is in transmission connection with the lifting driving assembly 132; the sucking component 1333, the grabbing component 1331 and the jacking component 1332 are arranged at the bottom of the bottom plate 1335; the tight suction assembly 1333 comprises a plurality of air valves 1333a and a plurality of suckers 1333b, the air valves 1333a are arranged at the top of the bottom plate 1335, the suckers 1333b are arranged at the bottom of the bottom plate 1335, the air valves 1333a are communicated with the suckers 1333b, and the air valves 1333a are connected with an external electrical control device; the grabbing component 1331 is a gripper, which is arranged at the bottom of the bottom plate 1335 and is connected with an external electrical control device; the jacking assembly 1332 comprises a motor 1332a and a top rod 1332b, the motor 1332a is arranged at the top of the bottom plate 1335, one end of the top rod 1332b is in transmission connection with the motor 1332a, and the other end extends out of the bottom plate 1335; the motor 1332a drives the ejector 1332b to move up and down.

In the above structure, the connecting rods 1336 are arranged between the top plate 1334 and the bottom plate 1335, and the connecting rods 1336 are uniformly arranged at the left and right sides of the top plate 1334 and the bottom plate 1335, so that the material taking mechanism 133 has stability when being lifted and lowered integrally; the air pressure is controlled by an electric control device, so that the sucking disc 1333b finishes the actions of sucking the top of the steel plate and putting down the steel plate, and the situation that the position of the steel plate placed on the steel frame deviates due to unstable grabbing of the steel plate with a thin thickness by the grabbing component 1331 is avoided; the mechanical claw is a two-claw mechanical hand, is fixed on two sides of the steel frame or the steel plate when grabbing the steel frame or the steel plate, has a simple structure and has a better grabbing function; the motor 1332a drives the ejector rod 1332b to move downwards and push against the top of the steel plate, so that the steel plate is close to the steel frame, and defective products caused by displacement of the steel plate and the steel frame are avoided; when the suction assembly 1333 enables the steel plate to be sucked, the stress is more uniform, and the problem of looseness caused by insufficient suction is avoided.

Further, the movable welding table 21 includes a sliding mechanism 211, a rotating table 212 and a limiting disc 213, the rotating table 212 is slidably connected to the frame 10 through the sliding mechanism 211, and the limiting disc 213 is disposed on the top of the rotating table 212; the rotary table 212 is reciprocally slid between the feeding station 1 and the discharging station 3. In the structure, the feeding mechanism 13 of the rotating platform 212 grabs the combined steel frame and steel plate from the positioning platform 12 into the limiting disc 213, the rotating platform 212 slides to the lower part of the pressing mechanism 22 by using the sliding mechanism 211, the pressing mechanism 22 presses the steel plate downwards, the multi-angle welding mechanism 23 performs multi-point welding on one end of the steel plate and one end of the steel frame, and then the rotating platform 212 rotates 180 degrees, so that the multi-angle welding mechanism 23 continues to weld the other ends of the steel plate and the steel frame; after the welding is completed, the rotating platform 212 slides and is close to the blanking position, the blanking mechanism 32 slides to the upper part of the rotating platform 212, and the welded steel frame is grabbed and sent to the blanking trolley 31. It should be noted that a rotation motor is disposed in the rotation platform 212 to drive the rotation platform 212 to rotate.

Further, the pressing mechanism 22 includes a mounting bracket 222, a driving device 223, an oldham coupling 224 and a pressing device 221, the driving device 223 is mounted on the mounting bracket 222 in a manner of moving up and down, and the pressing device 221 is mounted on the driving device 223; the oldham coupling 224 is located between the pressing device 221 and the moving device, and the oldham coupling 224 can drive the pressing device 221 to move along a first direction and a second direction, and the first direction and the second direction are perpendicular to each other.

In the above structure, by providing an oldham coupling 224 in the pressing mechanism 22, the oldham coupling 224 can drive the pressing device 221 to move along the first direction and the second direction, and the first direction is perpendicular to the second direction, so that when the rotating platform 212 drives the material to move below the pressing mechanism 22, the pressing device 221 can move right above the rotating platform 212, the rotating platform 212 is coaxial with the rotating axis of the pressing device 221, thereby avoiding that the rotating centers of the pressing mechanism 22 and the rotating platform 212 are not coaxial when the pressing mechanism 22 and the rotating platform 212 synchronously rotate, and further avoiding the problem that the material cannot be pressed tightly.

Further, the pressing device 221 is connected with a driving shaft of the driving device 223, and the driving device 223 can drive the pressing device 221 to move up and down; the pressing device 221 includes a pressing plate 2211 and a plurality of pressing members 2212, the plurality of pressing members 2212 are arranged at intervals along the length direction of the pressing plate 2211, the pressing members 2212 are located below the pressing plate 2211, and the pressing members 2212 and the pressing plate 2211 are elastically connected through elastic members.

In the above structure, the pressing members 2212 are disposed on the pressing plate 2211, and the pressing members 2212 are disposed at intervals along the length direction of the pressing plate 2211, so that the pressing members to be pressed are pressed on the movable welding table 21 by the pressing members 2212, and meanwhile, the pressing members 2212 and the pressing plate 2211 are elastically connected through elastic members. The conventional pressing mechanism 22 usually directly presses the steel plate and the steel frame by using the pressing plate 2211; compress tightly steel sheet and steelframe through a plurality of pressing members 2212 to through elastic component elastic connection between pressing members 2212 and the clamp plate 2211, so, can increase the packing force of closing device 221 to steel sheet and steelframe, make closing device 221 can compress tightly steel sheet and steelframe, and then make hold-down mechanism 22 can compress tightly steel sheet and steel sheet.

Further, the multi-angle welding mechanism 23 includes a first movable stage 231, a second movable stage 232, a lifting mechanism 233, a mounting stage 234, and a welding head 235; the first movable table 231 is arranged at the top of the frame 10 in a sliding manner, the first movable table 231 moves along the linear direction between the feeding station 1 and the discharging station 3, the second movable table 232 is arranged at the top of the first movable table 231 in a sliding manner, and the sliding direction of the second movable table 232 is perpendicular to that of the first movable table 231; the lifting mechanism 233 is hinged with the second movable table 232; the lifting mechanism 233 drives the mounting table 234 to move up and down, and the welding head 235 is mounted on the mounting table 234.

In the above structure, assuming that the moving track of the first movable stage 231 is along the X-axis direction, the moving track of the second movable stage 232 is along the Y-axis direction, the lifting mechanism 233 drives the mounting stage 234 and the welding head 235 to move along the Z-axis direction, and the hinge joint between the lifting mechanism and the second movable stage 232 can adjust the inclination angle, so that the welding head 235 can be adjusted at multiple angles.

Further, the first movable table 231 is slidably connected with the frame 10 through a first guide rail 2311, and the first guide rail 2311 is arranged along the linear direction between the feeding station 1 and the discharging station 3; the second movable table 232 is connected with the top of the first movable table 231 through a second guide rail 2321, and the second guide rail 2321 is arranged in a direction perpendicular to the first guide rail 2311; the lifting mechanism 233 includes a third guide rail, and the bottom of the third guide rail is hinged to the top of the second movable table 232.

In the above structure, the first rail 2311, the second rail 2321 and the third rail are all provided with the driving device 223, and the driving device 223 provides moving power for the first movable table 231, the second movable table 232 and the mounting table 234.

According to the technical scheme, the steel frame is produced by full-automatic welding through the arrangement of the feeding station 1, the welding station 2 and the discharging station 3, the production quality and the production efficiency are guaranteed, and the production cost is reduced. An operator moves the feeding trolley 11 filled with production materials to a feeding point in the rack 10, the feeding mechanism 13 slides to the upper part of the feeding trolley 11, and the steel frame is conveyed to the positioning platform 12; then the feeding mechanism 13 returns to the feeding point again, picks up the steel plate and sends the steel plate to the positioning platform 12 to be stacked on the steel frame; the feeding mechanism 13 grabs and moves the combined steel frame and steel plate to the movable welding table 21 of the welding station 2, the movable welding table 21 bearing the steel frame and the steel plate moves to the lower part of the pressing mechanism 22, and the pressing mechanism 22 moves downwards and presses the steel plate and the steel frame tightly; then, the steel frame and the steel plate are welded at multiple positions through a multi-angle welding mechanism 23; after welding is finished; the movable welding table 21 bears the welded steel frame and moves to the blanking station 3; the blanking mechanism 32 grabs the welded steel frame and moves to a blanking point, the blanking trolley 31 is arranged at the blanking point, and the welded steel frame is placed on the blanking trolley 31 by the blanking structure; the operator can use the blanking trolley 31 to transport the finished product away; the welding machine has the characteristics of full-automatic production, good welding effect, high production efficiency and labor input saving.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A high-power steel frame welding equipment for nuclear power is characterized by comprising:

the welding machine comprises a frame, a welding machine and a welding machine, wherein the frame is sequentially provided with a feeding station, a welding station and a discharging station;

the feeding station comprises a feeding trolley, a positioning platform and a feeding mechanism; the feeding trolley is arranged at a blanking point in the rack and used for conveying production materials; the feeding mechanism is arranged at the top of the rack and is in sliding connection with the rack; the feeding mechanism reciprocates between a feeding point and the welding station; the feeding mechanism is used for grabbing materials on the feeding trolley and sending the materials to the positioning platform;

the welding station comprises a movable welding table, a pressing mechanism and a multi-angle welding mechanism; the movable welding table moves back and forth between the positioning platform and the blanking station; the pressing mechanism and the multi-angle welding mechanism are respectively arranged on two sides of the rack; the pressing device of the pressing mechanism can move up and down and is used for pressing the production materials on the movable welding table; the multi-angle welding mechanism is used for welding;

the blanking station comprises a blanking trolley and a blanking mechanism, and the blanking trolley is arranged at a blanking point in the rack and used for loading welding finished products; the blanking mechanism is arranged at the top of the rack and is in sliding connection with the rack; the blanking mechanism reciprocates between the welding station and the blanking point and is used for grabbing a welding finished product of the welding station and sending the welding finished product to the blanking trolley.

2. The high-power steel frame welding equipment for nuclear power as claimed in claim 1, wherein the feeding trolley comprises a trolley body, a jacking platform, a plurality of jacking cylinders and a plurality of fixing parts, and a plurality of positioning shafts are arranged at the top of the trolley body; the jacking platform is arranged at the top of the trolley body, and a material box is arranged at the top of the jacking platform; the jacking platform penetrates through the positioning shafts to move up and down along the positioning shafts; a plurality of jacking positioning structures are arranged on two sides of the frame, positioning holes are formed in the tops of the jacking positioning structures, and the positioning holes are located below fixing holes of a feeding point of the frame; the jacking cylinders are arranged below the jacking positioning structure and drive the jacking platform to lift along the positioning shaft; when the fixed piece is lifted up by the jacking platform, one end of the fixed piece is inserted into the fixed hole and extends into the positioning hole.

3. The high-power steel frame welding equipment for nuclear power according to claim 2, wherein the material box is in threaded connection with the jacking platform; the periphery of the material box is provided with a limiting structure, and the limiting structure is arranged at the top of the material box and encloses a space for placing materials.

4. The high-power steel frame welding equipment for nuclear power as claimed in claim 1, wherein the feeding mechanism comprises a moving frame, a lifting driving assembly and a material taking mechanism; the movable frame is arranged at the top of the rack and is in sliding connection with the rack; the moving frame slides back and forth between a feeding point in the rack and the welding station; the lifting driving assembly is arranged at the top of the rack; the upper end of the material taking mechanism is in transmission connection with the lifting driving assembly; the bottom of the material taking mechanism is provided with a plurality of grabbing assemblies, a plurality of jacking assemblies and a plurality of sucking assemblies.

5. The welding equipment for the high-power steel frame for the nuclear power as claimed in claim 4, wherein the material taking mechanism further comprises a top plate, a bottom plate and a plurality of connecting rods, and the top plate and the bottom plate are respectively and fixedly connected with two ends of the connecting rods; the top plate is in transmission connection with the lifting driving assembly; the suction component, the grabbing component and the jacking component are arranged at the bottom of the bottom plate; the tight suction assembly comprises a plurality of air valves and a plurality of suckers, the air valves are arranged at the top of the bottom plate, the suckers are arranged at the bottom of the bottom plate, the air valves are communicated with the suckers, and the air valves are connected with an external electrical control device; the grabbing component is a mechanical claw which is arranged at the bottom of the bottom plate and is connected with an external electric control device; the jacking assembly comprises a motor and a jacking rod, the motor is arranged at the top of the bottom plate, one end of the jacking rod is in transmission connection with the motor, and the other end of the jacking rod extends out of the bottom plate; the motor drives the ejector rod to move up and down.

6. The high power steel frame welding equipment for nuclear power according to any one of claims 1 to 5, wherein the mobile welding station comprises a sliding mechanism, a rotating station and a limiting disc, the rotating station is connected with the rack in a sliding mode through the sliding mechanism, and the limiting disc is arranged on the top of the rotating station; the rotating table slides between the feeding station and the discharging station in a reciprocating mode.

7. The high power steel frame welding equipment for nuclear power according to any one of claims 1 to 5, wherein the pressing mechanism comprises a mounting frame, a driving device, an Oldham coupling and the pressing device, the driving device is mounted to the mounting frame to be movable up and down, and the pressing device is mounted to the driving device; the crosshead shoe shaft coupling is located between the pressing device and the moving device, the crosshead shoe shaft coupling can drive the pressing device to move along a first direction and a second direction, and the first direction is perpendicular to the second direction.

8. The high-power steel frame welding equipment for nuclear power as claimed in claim 7, wherein the compressing device is connected with a driving shaft of the driving device, and the driving device can drive the compressing device to move up and down; the pressing device comprises a pressing plate and a plurality of pressing pieces, the pressing pieces are arranged at intervals along the length direction of the pressing plate, the pressing pieces are located below the pressing plate, and the pressing pieces are elastically connected with the pressing plate through elastic pieces.

9. The high-power steel frame welding equipment for the nuclear power as claimed in any one of claims 1 to 5, wherein the multi-angle welding mechanism comprises a first movable table, a second movable table, a lifting mechanism, a mounting table and a welding head; the first movable table is arranged at the top of the rack in a sliding mode, the first movable table moves along the linear direction between the feeding station and the discharging station, the second movable table is arranged at the top of the first movable table in a sliding mode, and the sliding direction of the second movable table is perpendicular to that of the first movable table; the lifting mechanism is hinged with the second movable table; the lifting mechanism drives the mounting table to move up and down, and the welding head is mounted on the mounting table.

10. The high-power steel frame welding equipment for the nuclear power as claimed in claim 9, wherein the first movable table is connected with the frame in a sliding mode through a first guide rail, and the first guide rail is arranged in a linear direction between the feeding station and the discharging station; the second movable table is connected with the top of the first movable table through a second guide rail, and the arrangement direction of the second guide rail is vertical to that of the first guide rail; the lifting mechanism comprises a third guide rail, and the bottom of the third guide rail is hinged with the top of the second movable table.