CN112536510B

CN112536510B - Steel frame preforming system

Info

Publication number: CN112536510B
Application number: CN202011207777.7A
Authority: CN
Inventors: 陶琼交; 陶世元; 汪小六
Original assignee: Anhui Tengda Steel Structure Co ltd
Current assignee: Anhui Tengda Steel Structure Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2022-06-21
Anticipated expiration: 2040-11-03
Also published as: CN112536510A

Abstract

The invention belongs to the technical field of steel structure production and processing, and particularly relates to a steel frame preforming system which comprises a pre-assembling device, a conveying roller set, spot welding equipment and reinforcing rib pre-assembling equipment, wherein the pre-assembling device is used for arranging three long steel plates into a U shape, the conveying roller set is used for conveying the arranged steel plates to feed downstream, the reinforcing rib pre-assembling equipment is used for installing reinforcing ribs at corners among the three steel plates, and the spot welding equipment is used for carrying out spot welding and fixing on seams among the steel plates and the reinforcing ribs. The invention can automatically realize the positioning and the assembly of three steel plates, the assembly process does not need to be supported by manpower, the operation process is simple, and the production efficiency is greatly improved; the invention adopts the reinforcing rib preassembling equipment to realize the automatic feeding and positioning of the reinforcing ribs, which provides convenience for the welding of the reinforcing ribs on one hand, does not need manual support and improves the processing efficiency and the mounting precision of the reinforcing ribs on the other hand.

Description

Steel frame preforming system

Technical Field

The invention belongs to the technical field of steel structure production and processing, and particularly relates to a steel frame preforming system.

Background

The steel frame structure is a load-bearing structure commonly used for building facilities such as factory buildings and the like, and is generally manufactured by welding thick and heavy steel plates for ensuring the reliable strength of the steel frame structure. The main structural form of the steel frame is provided with an I-shaped steel beam, a square steel stand column and the like, the steel plate is firstly cut into a specified size during processing, then the steel plate is spliced into a specified shape, then seam welding is firm, spot welding is firstly adopted for preliminary fixing during welding, then an embedding welding machine is utilized for reliably welding the seam, however, because the weight of the steel plate is large, the prior art needs to depend on hoisting equipment for auxiliary support when assembling, the positioning difficulty is large, the operation is complex, and large-scale production is not facilitated.

Disclosure of Invention

The invention aims to provide a steel frame preforming system which can realize automatic assembly among plate surfaces of steel structures and between the steel structures and reinforcing ribs.

The technical scheme adopted by the invention is as follows:

a steel frame preforming system comprises a pre-assembling device, a conveying roller set, spot welding equipment and reinforcing rib pre-assembling equipment, wherein the pre-assembling device is used for arranging three long-strip-shaped steel plates into a U shape, the conveying roller set is used for conveying the arranged steel plates to feed downstream, the reinforcing rib pre-assembling equipment is used for installing reinforcing ribs at corners among the three steel plates, and the spot welding equipment is used for carrying out spot welding fixing on seams among the steel plates and the reinforcing ribs; the pre-assembly device comprises a transverse steel plate discharge unit and a side steel plate discharge unit; the transverse steel plate discharging unit comprises a lifting support, and the lifting support is connected with the base in a sliding mode along the vertical direction; the lifting support is provided with a horizontal carrier roller for supporting and guiding a transverse steel plate, and the horizontal carrier roller is rotatably connected with the lifting support; the side steel plate discharging unit comprises overturning supports respectively arranged on two sides of a lifting support, a first guide roller is rotatably arranged on each overturning support, each overturning support is hinged to a base arranged on two sides of a base, the axial direction of a hinged shaft is perpendicular to the axial direction of the first guide roller, and the axial direction of the hinged shaft of each overturning support is perpendicular to the axial direction of a horizontal carrier roller; the overturning bracket is also rotatably provided with a second guide roller, the axis direction of the second guide roller is vertical to the axis direction of the first guide roller and vertical to the axis direction of a hinged shaft of the overturning bracket, and the first guide roller and the second guide roller have crossed parts when viewed along the axis direction of the hinged shaft of the overturning bracket; the roll-over stand is assembled with the following two stations: the device comprises a first station and a second station, wherein the first guide roller is in a horizontal state and the second guide roller is in a vertical state; the overturning support is also provided with a third guide roller, the third guide roller is rotatably arranged on a swinging support, the swinging support is hinged with the overturning support, the axis direction of a hinged shaft is parallel to the axis direction of the second guide roller, the axis direction of the third guide roller is vertical to the axis direction of the hinged shaft of the swinging support, and the third guide roller is positioned above the second guide roller when the overturning support is positioned at the second station; a linkage device is arranged between the lifting support and the overturning support, the linkage device is assembled to be capable of lifting the lifting support upwards when the overturning support is overturned from a vertical state to a horizontal state and releasing the lifting support to enable the lifting support to fall under the action of self gravity when the overturning support is overturned from the horizontal state to a vertical state, the height of the position where the lifting support falls is adjustable, and the side wall of the side steel plate on the overturning support can be just attached to the side edge of the transverse steel plate on the lifting support when the overturning support is overturned from the horizontal state to the vertical state; the reinforcing rib preassembling device comprises a storage tank, a pushing mechanism, a turnover manipulator and a lifting seat, the reinforcing rib is made of steel plates, and the reinforcing rib comprises two symmetrically arranged triangular regions and a connecting part for connecting the two triangular regions; the material storage tank is used for storing reinforcing ribs, the reinforcing ribs are horizontally stacked in the material storage tank, the material pushing mechanism is used for pushing the reinforcing ribs in the material storage tank to the turnover manipulator one by one, and the turnover manipulator is used for turning the reinforcing ribs in the horizontal state to be in the vertical state; the lifting seat is movably connected with the rack along the vertical direction, two side push blocks are symmetrically arranged on the lifting seat, the side push blocks are connected with the lifting seat in a sliding manner along the horizontal direction, and turning manipulators are arranged on two sides of the movement path of the lifting seat; the permanent magnets are arranged on the side push blocks, when the lifting seat is positioned between the two overturning manipulators, the overturning manipulators rotate to be in a vertical state, the push blocks on the two sides are far away from each other and can be clamped between the two triangular regions of the reinforcing ribs and attract the reinforcing ribs and the permanent magnets, and then the lifting seat is driven to move downwards so that the reinforcing ribs can be pulled away from the bottoms of the flat clamping cavities of the two overturning manipulators and pressed into the space between the transverse steel plate and the steel plates on the two sides of the square steel pipe; when the lifting seat goes upward, the push blocks at the two sides are close to each other and are pulled away from the two triangular areas of the reinforcing rib.

The swing support is provided with a station a and a station b relative to the turnover support, when the swing support is positioned at the station a, the axis of the third guide roller is parallel to the axis of the hinged shaft of the turnover support, the third guide roller avoids the supporting area of the first guide roller, when the swing support is positioned at the station b, the axis direction of the third guide roller is parallel to the axis direction of the first guide roller, and the third guide roller protrudes into the supporting area of the first guide roller and is matched with the first guide roller to clamp the side steel plate; a linkage mechanism is arranged among the swing support, the turning support and the base, and is assembled to enable the swing support to be in a station a when the turning support is in a station one, enable the swing support to be in a station b when the turning support is in a station two, enable the swing support to move from the station a to the station b when the turning support moves from the station to the station two, and enable the swing support to move from the station b to the station a when the turning support moves from the station to the station one; the linkage mechanism comprises a first transmission shaft and a second transmission shaft, the axis of the first transmission shaft is parallel to the axis of the second guide roller, and the axis of the second transmission shaft is vertical to the axis of the first transmission shaft and vertical to the axis of a hinged shaft of the swing bracket; a first bevel gear is fixedly connected to the base and is coaxially arranged with a hinged shaft of the turnover support, a second bevel gear and a third bevel gear are respectively arranged at two ends of the first transmission shaft, a fourth bevel gear and a fifth bevel gear are respectively arranged at two ends of the second transmission shaft, a sixth bevel gear which is synchronously and rotatably connected with the hinged shaft of the swing support is arranged on the hinged shaft of the swing support, the first bevel gear is meshed with the second bevel gear, the third bevel gear is meshed with the fourth bevel gear, and the fifth bevel gear is meshed with the sixth bevel gear; the overall transmission ratio between the first bevel gear to the sixth bevel gear is 1: 1.

A telescopic mechanism is further arranged between the hinged shaft of the swinging support and the overturning support, and is assembled to enable the swinging support to move towards the direction close to the first guide roller along the axial direction of the hinged shaft when the swinging support moves from the station a to the station b, and enable the swinging support to move towards the direction far away from the first guide roller along the axial direction of the hinged shaft when the swinging support moves from the station b to the station a; the telescopic mechanism comprises a spiral boss arranged on the overturning support along the circumferential direction of a hinged shaft of the swinging support and a pin rod arranged on the hinged shaft of the swinging support, the hinged shaft of the swinging support is connected with the overturning support in a sliding manner along the axis direction of the hinged shaft, the pin rod is in sliding butt joint with the spiral boss, a first elastic unit is arranged between the swinging support and the overturning support, and when the swinging support moves from the station a to the station b, the elastic force of the first elastic unit can drive the swinging support to slide towards the direction close to the first guide roller along the axis direction of the hinged shaft of the swinging support; when the swing bracket moves from the station b to the station a, the spiral boss can push the pin rod so as to enable the swing bracket to slide in the direction away from the first guide roller along the axial direction of the hinged shaft of the swing bracket.

The lifting support is connected with the base in a sliding mode through a vertical guide pillar, the linkage device comprises a swing rod fixedly arranged on a hinged shaft of the overturning support, a guide wheel is arranged at the end portion of the swing rod, the guide wheel is in rolling blocking connection with the bottom surface of the lifting support, the swing rod is in a vertical state when the overturning support is in a horizontal state, the swing rod is in a horizontal state when the overturning support is in the vertical state, and the length of the swing rod is larger than that of the second guide roller.

The base is provided with a protruding unit which protrudes upwards, the upper end of the protruding unit is blocked and connected with the bottom surface of the lifting support, and the protruding height of the protruding unit is adjustable; the protruding unit is a piston rod of a hydraulic cylinder vertically arranged on the machine base; a driving element for driving the overturning bracket to overturn is arranged between the overturning bracket and the base; the driving element is a piston cylinder, a cylinder body of the piston cylinder is hinged with the base, a piston rod of the piston cylinder is hinged with the overturning bracket oppositely, and a hinged shaft is not coaxial with a hinged shaft between the overturning bracket and the base; the base is connected with a sliding rail arranged on the base in a sliding manner, the length direction of the sliding rail is vertical to the axial direction of a hinged shaft of the turnover support, and a driving mechanism for driving the two bases to synchronously and reversely move along the sliding rail is arranged between the base and the two bases; the driving mechanism comprises a lead screw which is rotationally connected with the base and is arranged in parallel with the slide rail, two sections of threads with opposite rotating directions are symmetrically arranged on the lead screw, the two sections of threads are respectively in threaded fit with nut blocks arranged on the two bases, and the end part of the lead screw is connected with a hand wheel or a motor; the storage tank comprises a rectangular cylinder and a bottom plate, the rectangular cylinder is vertically arranged, the bottom plate is arranged at the bottom of the rectangular cylinder, the reinforcing ribs are stacked in the storage tank along the vertical direction, and the plate surface of each reinforcing rib is horizontally arranged; the bottom of two narrow walls of rectangular cylinder is equipped with the flat hole, and the height in flat hole is greater than the thickness of a strengthening rib and is less than the thickness of two strengthening ribs.

The turnover manipulator is provided with a flat clamping cavity, the turnover manipulator is rotatably arranged on the rack to enable the flat clamping cavity to be switched between a vertical state and a horizontal state, when the flat clamping cavity is in the horizontal state, one end of the flat clamping cavity is flush with the flat hole on one side of the rectangular cylinder, the material pushing mechanism is used for pushing the reinforcing ribs at the bottommost part of the material storage tank into the flat clamping cavity in the horizontal state, the material pushing mechanism comprises a push plate which is slidably arranged on the bottom plate, and the push plate is arranged opposite to the flat hole at the bottom of the rectangular cylinder along the sliding direction; the device also comprises a linkage driving mechanism for driving the push plate to slide and driving the turnover manipulator to rotate, wherein the linkage driving mechanism is assembled to enable the flat clamping cavity to keep a horizontal state in the process that the push plate pushes the reinforcing ribs into the flat clamping cavity, and can simultaneously drive the turnover manipulator to turn from the horizontal state to a vertical state in the process that the push plate is pulled out of the storage tank; the overturning manipulator comprises an outer revolving part and a core part which are coaxially arranged, the outer revolving part is rotationally connected with the core part, the core part is rotationally connected with the rack, a first flat groove is arranged on the outer revolving part, a second flat groove is arranged on the core part, and when the first flat groove and the second flat groove are level, the first flat groove and the second flat groove jointly form the flat clamping cavity; a limiting block is arranged between the rack and the outer rotating part, the limiting block is assembled to limit the outer rotating part to only rotate between a vertical state and a horizontal state, a torsion spring is arranged between the outer rotating part and the rack, the torsion spring is assembled to enable the elasticity of the torsion spring to drive the outer rotating part to rotate from the vertical state to the horizontal state, the core part is connected with the linkage driving mechanism, the linkage driving mechanism can drive the core part to rotate from the vertical state to the horizontal state in the process that the reinforcing ribs are pushed into the flat clamping cavity by the push plate, and the linkage driving mechanism can drive the core part to turn from the horizontal state to the vertical state in the process that the push plate is pulled out from the storage chute; when the strengthening rib is located flat clamp intracavity and the core rotates to vertical state by the horizontality when the core can drive outer turning part synchronous rotation through the strengthening rib thereby makes outer turning part rotate to vertical state, and the strengthening rib is pressed from both sides tightly under the relative torsional force effect of core and outer turning part, and after the strengthening rib that presss from both sides the intracavity flat pulls out, outer turning part can kick-back to horizontal state in the twinkling of an eye under the effect of torsional spring, and then just aligns with the flat hole with the tip that presss from both sides the chamber when making the push pedal just begin to push away the strengthening rib next time.

The linkage driving mechanism comprises a piston cylinder which is horizontally arranged, and a piston rod of the piston cylinder is fixedly connected with the push plate; the core part is provided with a push head at one end, the push head is provided with a vertical waist-shaped hole, a rotating shaft of the core part is provided with a swing arm, the end part of the swing arm is provided with a pin, the pin is in sliding pin joint with the vertical waist-shaped hole, the horizontal guide rod is in sliding connection with the rack along the length direction, an elastic element is arranged between the horizontal guide rod and the rack, and the elastic element is assembled into a structure that the elastic force of the elastic element can drive the core part to rotate from a vertical state to a horizontal state; the pushing plate is provided with a blocking part in an extending mode, the blocking part is blocked with the radial convex part arranged on the horizontal guide rod, and when the pushing plate slides in the direction far away from the overturning mechanical arm, the blocking part can drive the horizontal guide rod to slide and enable the core part to rotate from the horizontal state to the vertical state; the elastic element is a pressure spring, the pressure spring is sleeved on the horizontal guide rod, and two ends of the pressure spring are respectively abutted to the pushing head and the rack.

The lifting seat is characterized by further comprising a driving block movably connected with the rack in the vertical direction, the rack is provided with a driving part for driving the driving block to move up and down, the driving part is a hydraulic cylinder vertically arranged on the rack, the pushing blocks on the two sides are provided with wedge-shaped blocks, the driving block is provided with an inclined plane matched with the two wedge-shaped blocks, and when the driving block moves downwards relative to the lifting seat, the pushing blocks on the two sides can be driven to be away from each other; a locking mechanism is arranged between the lifting seat and the rack, the locking mechanism is assembled to be capable of keeping the lifting seat at the position when the lifting seat is positioned between the two overturning manipulators, and the locking mechanism can release the lifting seat after the driving block descends to drive the pushing blocks at the two sides to be away from each other, and at the moment, the lifting seat continues to descend to drive the lifting seat to synchronously descend; the side push block is provided with a slope surface matched with the bevel edge of the triangular area of the reinforcing rib, and two sides of the slope surface are provided with clamping walls for clamping the side surfaces of the reinforcing rib; the lifting seat is provided with a blocking plate blocked with the driving block, when the driving block moves upwards and is separated from the wedge-shaped block, the driving block is abutted against the blocking plate, the driving block continues to move upwards to drive the lifting seat to move upwards, and the push blocks on the two sides are mutually folded under the action of the top slope surface and the bevel edge of the reinforcing rib and are separated from the reinforcing rib; step surfaces are further arranged on two sides of the driving block, when the driving block drives the push blocks on two sides to be away from each other, the part below the step surface of the driving block is inserted between the two wedge-shaped blocks, and the step surfaces are blocked and connected with the wedge-shaped blocks to drive the lifting seat to move downwards.

The lifting seat is in damping sliding fit with the frame through a vertical guide rod; the locking mechanism includes draw-in groove and the cardboard that slides the setting in the frame that sets up on the vertical guide arm, be equipped with the round hole and the flat hole that link up each other on the cardboard, the diameter of round hole is greater than the diameter of vertical guide arm, and the width of flat hole is less than the diameter of vertical guide arm and is greater than the cross-sectional width of the draw-in groove department of vertical guide arm, is equipped with the spring between cardboard and the frame, cardboard and draw-in groove parallel and level when the lift seat is located between two upset manipulators, the cardboard makes flat hole card go into the vertical motion in order to prevent the lift seat in the draw-in groove under the spring action this moment.

The clamping plate is provided with a second wedge-shaped block and further comprises a wedge-shaped driving block fixedly connected with the driving block relatively, the driving block abuts against the second wedge-shaped block after the pushing blocks on the two sides are separated, and at the moment, the driving block continues to move downwards to drive the clamping plate to slide and enable the round hole and the vertical guide rod to be right opposite to each other so as to unlock the locking mechanism.

The invention has the technical effects that: the pre-assembly device can automatically assemble steel plates into an appointed shape and an H shape or a U shape, which is the most common part of a steel frame structure, wherein an H-shaped member is mainly used as a steel beam, and a steel plate is added in the U-shaped member to form square steel which is mainly used as a bearing upright post; during assembly, only three steel plates are required to be flatly placed on the lifting support and the two overturning supports respectively by using hoisting equipment, the equipment can automatically realize positioning and assembly of the three steel plates, manual support is not required in the assembly process, the operation process is simple, and the production efficiency is greatly improved; the invention adopts the reinforcing rib preassembling equipment to realize the automatic feeding and positioning of the reinforcing ribs, which provides convenience for the welding of the reinforcing ribs on one hand, does not need manual support and improves the processing efficiency and the mounting precision of the reinforcing ribs on the other hand.

Drawings

FIG. 1 is a perspective view of a pre-assembled device provided by an embodiment of the present invention;

FIG. 2 is a front view of a pre-assembled apparatus provided by an embodiment of the present invention;

FIG. 3 is an assembly view of a roll-over stand provided by an embodiment of the present invention;

FIG. 4 is an assembly view of the flip stand provided by the embodiment of the present invention from another perspective;

FIG. 5 is an assembly view of a lifting bracket provided by an embodiment of the present invention;

fig. 6 is a perspective view of a bar preassembly apparatus according to an embodiment of the present invention;

fig. 7 is a perspective view of a reinforcing bar feeding mechanism according to an embodiment of the present invention, with the accumulator chute hidden;

FIG. 8 is a perspective view of a flipping robot provided in accordance with an embodiment of the present invention;

figure 9 is an exploded view of a flipping robot provided in accordance with an embodiment of the present invention;

FIG. 10 is a perspective view of a press fit positioning mechanism provided by an embodiment of the present invention;

FIG. 11 is a cross-sectional view of a lift base provided by an embodiment of the present invention;

fig. 12 is a perspective view of the lifting seat and the locking mechanism provided in the embodiment of the present invention, in which the frame is hidden.

For the sake of clarity, the main support parts such as the racks are hidden from view, so that the racks may not be located at the same place where they appear in the description, but the racks are actually connected together.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

Example 1

The utility model provides a steelframe preforming system, is including assembling device, delivery roll group, spot welding equipment and strengthening rib pre-installation equipment in advance, assemble the device in advance and be used for arranging three rectangular shape steel sheets into the U type, the delivery roll group is used for carrying the steel sheet after the pendulum is listed as and feeds downstream, and strengthening rib pre-installation equipment is used for installing the strengthening rib in the corner between three steel sheets, and spot welding equipment is used for carrying out spot welding to the seam between individual steel sheet and the strengthening rib and fixes.

As shown in fig. 1-5, the pre-assembly device includes a transverse steel plate discharge unit and a side steel plate discharge unit; the transverse steel plate discharging unit comprises a lifting support 10, and the lifting support 10 is connected with the base 30 in a sliding mode along the vertical direction; a horizontal carrier roller 11 for supporting and guiding a transverse steel plate is arranged on the lifting support 10, and the horizontal carrier roller 11 is rotatably connected with the lifting support 10; the side steel plate discharging unit comprises a turning support 20 respectively arranged at two sides of the lifting support 10, a first guide roller 21 is rotatably arranged on the turning support 20, the turning support 20 is hinged with a base 31 arranged at two sides of the base 30, the axial direction of a hinged shaft is vertical to the axial direction of the first guide roller 21, and the axial direction of the hinged shaft of the turning support 20 is vertical to the axial direction of the horizontal carrier roller 11; the overturning bracket 20 is also rotatably provided with a second guide roller 22, the axial direction of the second guide roller 22 is vertical to the axial direction of the first guide roller 21 and vertical to the axial direction of a hinged shaft of the overturning bracket 20, and the first guide roller 21 and the second guide roller 22 have crossed parts when viewed along the axial direction of the hinged shaft of the overturning bracket 20; the roll-over stand 20 is assembled with the following two stations: a first station, in which the first guide roller 21 is in a horizontal state and the second guide roller 22 is in a vertical state, and a second station, in which the first guide roller is in a vertical state and the second guide roller 22 is in a horizontal state; the overturning bracket 20 is also provided with a third guide roller 23, the third guide roller 23 is rotatably arranged on a swinging bracket 231, the swinging bracket 231 is hinged with the overturning bracket 20, the axial direction of a hinged shaft is parallel to the axial direction of the second guide roller 22, the axial direction of the third guide roller 23 is vertical to the axial direction of the hinged shaft of the swinging bracket 231, and the third guide roller 23 is positioned above the second guide roller 22 when the overturning bracket 20 is positioned at the second station; a linkage device is arranged between the lifting support 10 and the overturning support 20, the linkage device is assembled to be capable of lifting the lifting support 10 upwards when the overturning support 20 is overturned from a vertical state to a horizontal state and releasing the lifting support 10 to enable the lifting support 10 to fall under the action of self gravity when the overturning support 20 is overturned from the horizontal state to a vertical state, the height of the position where the lifting support 10 falls is adjustable, and the side wall of the side steel plate 2 on the overturning support 20 can be just attached to the side edge of the transverse steel plate 1 on the lifting support 10 when the overturning support 20 is overturned from the horizontal state to the vertical state; the pre-assembly device can automatically assemble steel plates into an appointed shape and an H shape or a U shape, which is the most common part of a steel frame structure, wherein an H-shaped member is mainly used as a steel beam, and a steel plate is added in the U-shaped member to form square steel which is mainly used as a bearing upright post; when assembling, only need utilize hoisting equipment to keep flat three steel sheets respectively on lifting support 10 and two upset supports 20, the location and the assembly of three steel sheets just can be realized automatically to equipment, and the process of assembling need not the manual work and supports, and operation process is simple, has improved production efficiency greatly.

As shown in fig. 6-12, the reinforcing rib pre-assembling device comprises a storage chute 40, a pushing mechanism, a turning manipulator 60 and a lifting seat 70, the reinforcing rib 3 is made of a steel plate, and the reinforcing rib 3 comprises two symmetrically arranged triangular regions and a connecting part for connecting the two triangular regions; the storage troughs 40 are used for storing the reinforcing ribs 3, the reinforcing ribs 3 are horizontally stacked in the storage troughs 40, the material pushing mechanism is used for pushing the reinforcing ribs 3 in the storage troughs 40 to the turnover manipulator 60 one by one, and the turnover manipulator 60 is used for turning the reinforcing ribs 3 in a horizontal state to be in a vertical state; the lifting seat 70 is movably connected with the rack along the vertical direction, two side push blocks 71 are symmetrically arranged on the lifting seat 70, the side push blocks 71 are connected with the lifting seat 70 in a sliding manner along the horizontal direction, and the two sides of the motion path of the lifting seat 70 are provided with turnover manipulators 60; the side push blocks 71 are provided with permanent magnets, when the lifting seat 70 is positioned between the two overturning manipulators 60, the overturning manipulators 60 rotate to be in a vertical state, the two side push blocks 71 are far away from each other and can be clamped between two triangular areas of the reinforcing ribs 3, the reinforcing ribs 3 are attracted with the permanent magnets, and then the lifting seat 70 is driven to move downwards so as to pull the reinforcing ribs 3 out of the bottoms of the flat clamping cavities of the two overturning manipulators 60 and press the reinforcing ribs 3 into the positions between the transverse steel plate 1 and the two side steel plates 2; when the lifting seat 70 goes upward, the two side push blocks 71 approach each other and are pulled away from the two triangular areas of the reinforcing ribs 3. The invention adopts the reinforcing rib preassembling equipment to realize the automatic feeding and positioning of the reinforcing ribs, which provides convenience for the welding of the reinforcing ribs on one hand, does not need manual support and improves the processing efficiency and the mounting precision of the reinforcing ribs on the other hand.

The conveying roller group and the spot welding equipment adopted by the invention can be selected in the prior art, the conveying roller group mainly provides feeding power for each positioned steel plate, and the spot welding equipment can be operated by manually holding spot welding tongs or an industrial robot carrying a spot welding machine head.

Preferably, the swing bracket 231 has a station a and a station b relative to the overturning bracket 20, when the swing bracket 231 is at the station a, the axis of the third guide roller 23 is parallel to the axis of the hinge shaft of the overturning bracket 20, and the third guide roller 23 avoids the supporting area of the first guide roller 21, as shown in fig. 1-3, when the swing bracket 231 is at the station b, the axis direction of the third guide roller 23 is parallel to the axis direction of the first guide roller 21, and the third guide roller 23 protrudes into the supporting area of the first guide roller 21 and cooperates with the first guide roller 21 for clamping the side steel plate; a linkage mechanism is arranged among the swing bracket 231, the overturning bracket 20 and the base 31, and is assembled such that when the overturning bracket 20 is at the first station, the swing bracket 231 is at the first station, and when the overturning bracket 20 is at the second station, the swing bracket 231 is at the second station, and when the overturning bracket 20 moves from the first station to the second station, the swing bracket 231 can move from the first station to the second station, and when the overturning bracket 20 moves from the first station to the second station, the swing bracket 231 can move from the second station to the first station; as shown in fig. 4, the linkage mechanism includes a first transmission shaft 25 and a second transmission shaft 24, an axis of the first transmission shaft 25 is parallel to an axis of the second guide roller 22, and an axis of the second transmission shaft 24 is perpendicular to an axis of the first transmission shaft 25 and to an axis of a hinge shaft of the swing bracket 231; a first bevel gear 311 is fixedly connected to the base 31, the first bevel gear 311 is coaxially arranged with a hinge shaft of the turning support 20, a second bevel gear 251 and a third bevel gear 252 are respectively arranged at two ends of the first transmission shaft 25, a fourth bevel gear 241 and a fifth bevel gear 242 are respectively arranged at two ends of the second transmission shaft 24, a sixth bevel gear 232 which is synchronously and rotatably connected is arranged on the hinge shaft of the swinging support 231, the first bevel gear 311 is meshed with the second bevel gear 251, the third bevel gear 252 is meshed with the fourth bevel gear 241, and the fifth bevel gear 242 is meshed with the sixth bevel gear 232; the overall gear ratio between the first bevel gear 311 to the sixth bevel gear 232 is 1: 1.

Further, as shown in fig. 1-3, a telescopic mechanism is further disposed between the hinge shaft of the swing bracket 231 and the turnover bracket 20, and the telescopic mechanism is configured to enable the swing bracket 231 to move towards the direction close to the first guide roller 21 along the axial direction of the hinge shaft when the swing bracket 231 moves from the station a to the station b, and enable the swing bracket 231 to move away from the first guide roller 21 along the axial direction of the hinge shaft when the swing bracket 231 moves from the station b to the station a; the telescopic mechanism comprises a spiral boss 235 arranged on the overturning bracket 20 along the circumferential direction of a hinge shaft of the swinging bracket 231 and a pin 234 arranged on the hinge shaft of the swinging bracket 231, the hinge shaft of the swinging bracket 231 is connected with the overturning bracket 20 in a sliding manner along the axis direction of the hinge shaft, the pin 234 is in sliding butt joint with the spiral boss 235, a first elastic unit 233 is arranged between the swinging bracket 231 and the overturning bracket 20, and when the swinging bracket 231 moves from the station a to the station b, the elastic force of the first elastic unit 233 can drive the swinging bracket 231 to slide towards the direction close to the first guide roller 21 along the axis direction of the hinge shaft; when the swing bracket 231 moves from the station b to the station a, the spiral boss 235 can push the pin rod 234 so that the swing bracket 231 slides away from the first guide roller 21 in the axial direction of the hinge shaft thereof. The telescopic mechanism provided by the invention can ensure that the third guide roller 23 elastically clamps the side steel plate when the overturning bracket 20 is positioned at the second station, so that the upper end of the steel plate is prevented from shaking, and the positioning precision and reliability are further improved.

Preferably, as shown in fig. 5, the lifting bracket 10 is slidably connected to the base 30 through a vertical guide post, the linkage device includes a swing link 26 fixedly disposed on a hinge shaft of the turning bracket 20, a guide wheel 261 is disposed at an end of the swing link 26, the guide wheel 261 is in rolling contact with a bottom surface of the lifting bracket 10, the swing link 26 is in a vertical state when the turning bracket 20 is in a horizontal state, the swing link 26 is in a horizontal state when the turning bracket 20 is in a vertical state, and a length of the swing link 26 is greater than a length of the second guide roller 22. The base 30 is provided with a protruding unit 34 protruding upwards, the upper end of the protruding unit 34 is blocked with the bottom surface of the lifting support 10, and the protruding height of the protruding unit 34 is adjustable; the protruding unit 34 is a piston rod of a hydraulic cylinder vertically arranged on the machine base; the invention can ensure that the lifting bracket 10 stays at different heights when descending only by adjusting the protruding height of the protruding unit 34, and further ensure that the transverse steel plate is positioned at different positions of the side steel plate, thereby assembling H-shaped components and U-shaped components with different specifications.

Preferably, a driving element for driving the overturning bracket 20 to overturn is arranged between the overturning bracket 20 and the base 31; the driving element is a piston cylinder, a cylinder body of the piston cylinder is hinged with the base 31, a piston rod of the piston cylinder is hinged with the overturning bracket 20 oppositely, and a hinged shaft is not coaxial with a hinged shaft between the overturning bracket 20 and the base 31; the base 31 is connected with a slide rail 32 arranged on the base 30 in a sliding manner, the length direction of the slide rail 32 is vertical to the axial direction of a hinge shaft of the turnover bracket 20, and a driving mechanism for driving the two bases 31 to synchronously and reversely move along the slide rail 32 is arranged between the base 30 and the two bases 31; the driving mechanism comprises a screw 33 which is rotatably connected with the base 30 and is arranged in parallel with the slide rail 32, two sections of threads with opposite rotating directions are symmetrically arranged on the screw 33, the two sections of threads are respectively in threaded fit with nut blocks arranged on the two bases 31, and the end part of the screw 33 is connected with a hand wheel or a motor; the spacing between the inverted brackets 20 of the present invention is adjustable to achieve the production of members of different widths.

Preferably, as shown in fig. 6, the storage bin 40 includes a vertically arranged rectangular cylinder and a bottom plate arranged at the bottom of the rectangular cylinder, the reinforcing ribs 3 are stacked in the storage bin 40 along the vertical direction, and the plate surface of each reinforcing rib is horizontally arranged; the bottom of two narrow walls of rectangular cylinder is equipped with the flat hole, and the height in flat hole is greater than the thickness of a strengthening rib 3 and is less than the thickness of two strengthening ribs 3.

As shown in fig. 8 and 9, the flipping robot 60 has a flat clamping cavity, the flipping robot 60 is rotatably disposed on the rack to switch the flat clamping cavity between a vertical state and a horizontal state, when the flat clamping cavity is in the horizontal state, one end of the flat clamping cavity is flush with the flat hole on one side of the rectangular cylinder, the pushing mechanism is configured to push the reinforcing rib at the bottommost of the material storage tank 40 into the flat clamping cavity in the horizontal state, the pushing mechanism includes a push plate 50 slidably disposed on the bottom plate, and the push plate 50 is disposed opposite to the flat hole at the bottom of the rectangular cylinder along the sliding direction; the device also comprises a linkage driving mechanism for driving the push plate 50 to slide and driving the overturning mechanical arm 60 to rotate, wherein the linkage driving mechanism is assembled to enable the flat clamping cavity to keep a horizontal state in the process that the push plate 50 pushes the reinforcing ribs into the flat clamping cavity, and can simultaneously drive the overturning mechanical arm 60 to overturn from the horizontal state to a vertical state in the process that the push plate 50 is pulled out of the material storage tank 40; the overturning manipulator 60 comprises an outer revolving part 61 and a core part 62 which are coaxially arranged, the outer revolving part 61 is rotatably connected with the core part 62, the core part 62 is rotatably connected with the rack, a first flat groove is arranged on the outer revolving part 61, a second flat groove is arranged on the core part 62, and when the first flat groove and the second flat groove are parallel and level, the first flat groove and the second flat groove jointly form the flat clamping cavity; a limiting block is arranged between the rack and the outer rotating part 61, the limiting block is assembled to limit the outer rotating part 61 to rotate only between a vertical state and a horizontal state, a torsion spring 64 is arranged between the outer rotating part 61 and the rack, the torsion spring 64 is assembled to enable the elastic force of the torsion spring to drive the outer rotating part 61 to rotate from the vertical state to the horizontal state, the core part 62 is connected with the linkage driving mechanism, the linkage driving mechanism can drive the core part 62 to rotate from the vertical state to the horizontal state in the process that the push plate 50 pushes the reinforcing ribs 3 into the flat clamping cavity, and the linkage driving mechanism can drive the core part 62 to turn from the horizontal state to the vertical state in the process that the push plate 50 is pulled out of the storage chute 40; when the strengthening rib is located flat clamp intracavity and core 62 is rotated to vertical state by the horizontal state core 62 can drive outer gyration portion 61 through the strengthening rib and rotate simultaneously thereby make outer gyration portion 61 rotate to vertical state, and the strengthening rib is pressed from both sides tightly under the relative torsional force effect of core 62 and outer gyration portion 61, and after strengthening rib 3 in flat clamp intracavity is taken out, outer gyration portion 61 can kick-back to the horizontal state in the twinkling of an eye under the effect of torsional spring 64, and then make push pedal 50 just begin to push away strengthening rib 3 the next time the tip in flat clamp chamber just aligns with the flat hole.

Preferably, as shown in fig. 7, the linkage driving mechanism includes a piston cylinder horizontally arranged, and a piston rod of the piston cylinder is fixedly connected with the push plate 50; the core part 62 is characterized by further comprising a horizontal guide rod 52, a push head 54 is arranged at one end of the horizontal guide rod 52, a vertical kidney-shaped hole is formed in the push head 54, a swing arm 63 is arranged on a rotating shaft of the core part 62, a pin is arranged at the end of the swing arm 63 and is in sliding pivot joint with the vertical kidney-shaped hole, the horizontal guide rod 52 is in sliding connection with the rack along the length direction of the horizontal guide rod, an elastic element 53 is arranged between the horizontal guide rod 52 and the rack, and the elastic element 53 is assembled so that the elastic force of the elastic element can drive the core part 62 to rotate from a vertical state to a horizontal state; a blocking part 51 is arranged on the push plate 50 in an extending manner, the blocking part 51 is blocked with a radial convex part arranged on the horizontal guide rod 52, and when the push plate 50 slides in a direction away from the turnover manipulator 60, the blocking part 51 can drive the horizontal guide rod 52 to slide and enable the core part 62 to rotate from a horizontal state to a vertical state; elastic element 53 is the pressure spring, and the pressure spring suit is on horizontal guide arm 52 and the pressure spring both ends respectively with push head 54 and frame butt.

Preferably, as shown in fig. 10 and 11, the lifting device further comprises a driving block 72 movably connected to the frame in the vertical direction, the frame is provided with a driving part for driving the driving block 72 to move up and down, the driving part is a hydraulic cylinder vertically arranged on the frame, the two side pushing blocks 71 are provided with wedge blocks 713, the driving block 72 is provided with an inclined surface matched with the two wedge blocks 713, and when the driving block 72 moves downward relative to the lifting seat 70, the two side pushing blocks 71 can be driven to move away from each other; a locking mechanism 80 is arranged between the lifting seat 70 and the rack, the locking mechanism 80 is assembled to be capable of keeping the lifting seat 70 at the position when the lifting seat 70 is positioned between the two turnover manipulators 60, and the locking mechanism 80 is capable of releasing the lifting seat 70 after the driving block 72 descends to drive the pushing blocks 71 at the two sides to be away from each other, and at the moment, the lifting seat 70 continues descending to drive the lifting seat 70 to descend synchronously; the side push block 71 is provided with a slope surface 711 matched with the bevel edge of the triangular area of the reinforcing rib 3, and two sides of the slope surface 711 are provided with clamping walls 712 for clamping the side surfaces of the reinforcing rib; the lifting seat 70 is provided with a blocking plate 74 blocked and connected with the driving block 72, when the driving block 72 moves upwards and is separated from the wedge block 713, the driving block 72 abuts against the blocking plate 74, the driving block 72 continues to move upwards to drive the lifting seat 70 to move upwards, and the pushing blocks 71 on the two sides are mutually folded under the action of the top slope surface 711 and the oblique edge of the reinforcing rib 3 and are separated from the reinforcing rib 3; step surfaces are further arranged on two sides of the driving block 72, when the driving block 72 drives the pushing blocks 71 on two sides to be away from each other, the part below the step surfaces of the rear driving block 72 is inserted between the two wedge blocks 713, and the step surfaces are blocked with the wedge blocks 713 to drive the lifting seat 70 to move downwards.

Preferably, as shown in fig. 12, the lifting seat 70 forms a damping sliding fit with the frame through a vertical guide rod 73; locking mechanism 80 includes draw-in groove 731 that sets up on the vertical guide arm 73 and the cardboard 81 that slides and set up in the frame, be equipped with the round hole and the flat hole that link up each other on the cardboard 81, the diameter of round hole is greater than the diameter of vertical guide arm 73, the width of flat hole is less than the diameter of vertical guide arm 73 and is greater than the cross-sectional width of draw-in groove 731 department of vertical guide arm 73, be equipped with spring 82 between cardboard 81 and the frame, cardboard 81 and draw-in groove 731 parallel and level when the lift seat 70 is located between two upset manipulators 60, cardboard 81 makes the flat hole card go into in order to prevent the vertical motion of lift seat 70 in draw-in groove 731 this moment under the effect of spring 82. The clamping plate 81 is provided with a second wedge-shaped block 83 and further comprises a wedge-shaped driving block 75 fixedly connected with the driving block 72, when the driving block 72 separates the pushing blocks 71 on the two sides, the wedge-shaped driving block 75 is abutted to the second wedge-shaped block 83, and at the moment, the driving block 72 continuously moves downwards to drive the clamping plate 81 to slide and enable the circular hole to be opposite to the vertical guide rod 73, so that the locking mechanism 80 is unlocked.

Example 2

The steel frame assembly processed by the system in the embodiment 1 comprises four square steel tubes welded by long strip-shaped steel plates, reinforcing ribs are arranged at corners of the inner sides of the square steel tubes, and the steel frame assembly is manufactured by the following method:

step 1: cutting the steel plate into long strips by using a laser cutting machine;

step 2: hoisting 3 long steel strip plates to a steel structure pre-assembly device by using hoisting equipment, turning two steel plates into a vertical state by the steel structure pre-assembly device, keeping the other steel plate in a horizontal state, and attaching the side surfaces of the two vertical steel plates to the two side edges of the horizontal steel plate;

and step 3: pushing the three steel plates positioned in the steel structure pre-assembly device into the conveying roller set by using a pushing device;

and 4, step 4: after passing through the conveying roller group, the steel plates pass through spot welding equipment, and the spot welding equipment performs spot welding on the joint positions of the three steel plates at intervals in real time to fix the relative positions of the steel plates;

step 6: placing two reinforcing ribs at corners among the three steel plates respectively, wherein the reinforcing ribs are made of the steel plates and comprise two symmetrically arranged triangular areas and connecting parts for connecting the two triangular areas; when the reinforcing rib is placed, two right-angle sides of one triangular area of the reinforcing rib are respectively attached to the corners, and the other triangular area is arranged upwards;

and 7: respectively welding and fixing the reinforcing ribs with three steel plates;

and step 8: another long strip-shaped steel plate is hung on the reinforcing rib, and the steel plate is clamped between the two side steel plates;

step 9; hoisting the preformed assembly obtained in the step 8 to a base 31 of the submerged arc welding machine, and performing submerged arc welding on the outer side seams among the steel plates;

in the step 2, the steel structure pre-assembly device comprises a transverse steel plate discharge unit and a side steel plate discharge unit, the transverse steel plate discharge unit comprises a lifting support 10, and the lifting support 10 is connected with a base 30 in a sliding mode along the vertical direction; a horizontal carrier roller 11 for supporting and guiding a transverse steel plate is arranged on the lifting support 10, and the horizontal carrier roller 11 is rotatably connected with the lifting support 10; the side steel plate discharging unit comprises a turning support 20 respectively arranged at two sides of the lifting support 10, a first guide roller 21 is rotatably arranged on the turning support 20, the turning support 20 is hinged with a base 31 arranged at two sides of the base 30, the axial direction of a hinged shaft is vertical to the axial direction of the first guide roller 21, and the axial direction of the hinged shaft of the turning support 20 is vertical to the axial direction of the horizontal carrier roller 11; the overturning bracket 20 is also rotatably provided with a second guide roller 22, the axial direction of the second guide roller 22 is vertical to the axial direction of the first guide roller 21 and vertical to the axial direction of a hinged shaft of the overturning bracket 20, and the first guide roller 21 and the second guide roller 22 have crossed parts when viewed along the axial direction of the hinged shaft of the overturning bracket 20; the roll-over stand 20 is assembled with the following two stations: a first station, in which the first guide roller 21 is in a horizontal state and the second guide roller 22 is in a vertical state, and a second station, in which the first guide roller is in a vertical state and the second guide roller 22 is in a horizontal state; the overturning bracket 20 is also provided with a third guide roller 23, the third guide roller 23 is rotatably arranged on a swinging bracket 231, the swinging bracket 231 is hinged with the overturning bracket 20, the axial direction of a hinged shaft is parallel to the axial direction of the second guide roller 22, the axial direction of the third guide roller 23 is vertical to the axial direction of the hinged shaft of the swinging bracket 231, and the third guide roller 23 is positioned above the second guide roller 22 when the overturning bracket 20 is positioned at the second station; a linkage device is arranged between the lifting support 10 and the overturning support 20, the linkage device is assembled to lift the lifting support 10 upwards when the overturning support 20 is overturned from the vertical state to the horizontal state and release the lifting support 10 to enable the lifting support 10 to fall under the action of self gravity when the overturning support 20 is overturned from the horizontal state to the vertical state, the height of the position where the lifting support 10 falls is adjustable, and the side wall of the side steel plate on the overturning support 20 can be just attached to the side edge of the transverse steel plate on the lifting support 10 when the overturning support 20 is overturned from the horizontal state to the vertical state;

during assembly, firstly, the turning support 20 is adjusted to be in a horizontal state, two steel plates are respectively hoisted to the first guide rollers 21 of the two turning supports 20, and the other steel plate is hoisted to the horizontal carrier roller 11; then, the two overturning brackets 20 are driven to move from the first station to the second station, and in the process, the steel plate on the first guide roller 21 can slide by the second guide roller 22 until the side edge of the steel plate is attached to the roller surface of the second guide roller 22, so that the positioning of the steel plates on two sides is realized; when the first guide roller 21 is turned over to be in a vertical state, the third guide roller 23 is also swung to be parallel to the first guide roller 21, so that the upper end of the side steel plate is clamped between the first guide roller 21 and the third guide roller 23; meanwhile, the lifting support 10 descends in the process of overturning the overturning support 20, after the first guide roller 21 is overturned to be in a vertical state, the horizontal carrier roller 11 just descends to a specified height, and the side surfaces of the two side steel plates are just attached to the two side edges of the transverse steel plate;

in the step 6, square steel pipe reinforcing rib preassembling equipment is adopted to place reinforcing ribs, the square steel pipe reinforcing rib preassembling equipment comprises a storage chute 40, a pushing mechanism, a turning manipulator 60 and a lifting seat 70, the reinforcing ribs are made of steel plates, and each reinforcing rib comprises two symmetrically arranged triangular regions and a connecting part for connecting the two triangular regions; the material storage tank 40 is used for storing reinforcing ribs, the reinforcing ribs are horizontally stacked in the material storage tank 40, the material pushing mechanism is used for pushing the reinforcing ribs in the material storage tank 40 to the turnover manipulator 60 one by one, and the turnover manipulator 60 is used for turning the reinforcing ribs in a horizontal state to a vertical state; the lifting seat 70 is movably connected with the rack along the vertical direction, two side push blocks 71 are symmetrically arranged on the lifting seat 70, the side push blocks 71 are connected with the lifting seat 70 in a sliding manner along the horizontal direction, and the two sides of the motion path of the lifting seat 70 are provided with turnover manipulators 60; the side push blocks 71 are provided with permanent magnets, when the lifting seat 70 is positioned between the two overturning manipulators 60, the overturning manipulators 60 rotate to be in a vertical state, the two side push blocks 71 are far away from each other and can be clamped between two triangular regions of the reinforcing ribs and the reinforcing ribs are attracted with the permanent magnets, and then the lifting seat 70 is driven to move downwards to pull the reinforcing ribs away from the bottoms of the flat clamping cavities of the two overturning manipulators 60 and press the reinforcing ribs into the transverse steel plates and the two side steel plates of the square steel pipe; when the lifting seat 70 goes upward, the push blocks 71 at the two sides are close to each other and are pulled away from the two triangular areas of the reinforcing ribs;

when the reinforcing rib overturning machine is placed, a plurality of reinforcing ribs are horizontally stacked in the material storage tank 40, the material pushing mechanism pushes the reinforcing ribs into the overturning mechanical arm 60, the overturning mechanical arm 60 overturns the reinforcing ribs to a vertical state, then the side pushing block 71 on the lifting seat 70 extends into the reinforcing ribs and attracts the reinforcing ribs through the permanent magnets, then the lifting seat 70 descends to pull the reinforcing ribs away from the lower end of the overturning mechanical arm 60, and the reinforcing ribs are pressed at the corners between the transverse steel plates and the side steel plates.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. A steel frame preforming system is characterized in that: the device comprises a pre-assembling device, a conveying roller set, spot welding equipment and reinforcing rib pre-assembling equipment, wherein the pre-assembling device is used for arranging three long steel plates into a U shape, the conveying roller set is used for conveying the arranged steel plates to feed downstream, the reinforcing rib pre-assembling equipment is used for installing reinforcing ribs at corners among the three steel plates, and the spot welding equipment is used for carrying out spot welding and fixing on seams among the steel plates and the reinforcing ribs; the pre-assembly device comprises a transverse steel plate discharge unit and a side steel plate discharge unit; the transverse steel plate discharging unit comprises a lifting support (10), and the lifting support (10) is connected with the base (30) in a sliding mode along the vertical direction; a horizontal carrier roller (11) for supporting and guiding the transverse steel plate is arranged on the lifting support (10), and the horizontal carrier roller (11) is rotatably connected with the lifting support (10); the side steel plate discharging unit comprises turnover supports (20) which are respectively arranged on two sides of a lifting support (10), a first guide roller (21) is rotatably arranged on each turnover support (20), each turnover support (20) is hinged to a base (31) which is arranged on two sides of a base (30), the axial direction of a hinged shaft is perpendicular to the axial direction of the first guide roller (21), and the axial direction of the hinged shaft of each turnover support (20) is perpendicular to the axial direction of a horizontal carrier roller (11); the overturning bracket (20) is also rotatably provided with a second guide roller (22), the axis direction of the second guide roller (22) is vertical to the axis direction of the first guide roller (21) and vertical to the axis direction of a hinged shaft of the overturning bracket (20), and the first guide roller (21) and the second guide roller (22) have crossed parts when viewed along the axis direction of the hinged shaft of the overturning bracket (20); the roll-over stand (20) is assembled with the following two stations: a first station, wherein the first guide roller (21) is in a horizontal state and the second guide roller (22) is in a vertical state, and a second station, wherein the first guide roller is in a vertical state and the second guide roller (22) is in a horizontal state; the overturning bracket (20) is also provided with a third guide roller (23), the third guide roller (23) is rotatably arranged on a swinging bracket (231), the swinging bracket (231) is hinged with the overturning bracket (20), the axial direction of a hinged shaft is parallel to the axial direction of the second guide roller (22), the axial direction of the third guide roller (23) is vertical to the axial direction of the hinged shaft of the swinging bracket (231), and the third guide roller (23) is positioned above the second guide roller (22) when the overturning bracket (20) is positioned at the second station; a linkage device is arranged between the lifting support (10) and the overturning support (20), the linkage device is assembled to be capable of lifting the lifting support (10) upwards when the overturning support (20) is overturned from a vertical state to a horizontal state and releasing the lifting support (10) to enable the lifting support (10) to fall under the action of self gravity when the overturning support (20) is overturned from the horizontal state to a vertical posture, the height of the position where the lifting support (10) falls is adjustable, and the side wall of the side steel plate on the overturning support (20) can be just attached to the side edge of the transverse steel plate on the lifting support (10) when the overturning support (20) is overturned from the horizontal state to the vertical state; the reinforcing rib preassembling device comprises a storage chute (40), a pushing mechanism, a turning manipulator (60) and a lifting seat (70), the reinforcing ribs are made of steel plates, and each reinforcing rib comprises two symmetrically arranged triangular regions and a connecting part for connecting the two triangular regions; the reinforcing ribs are horizontally stacked in the storage troughs (40), the pushing mechanism is used for pushing the reinforcing ribs in the storage troughs (40) to the turnover manipulator (60) one by one, and the turnover manipulator (60) is used for turning the reinforcing ribs in the horizontal state to the vertical state; the lifting seat (70) is movably connected with the rack along the vertical direction, two side push blocks (71) are symmetrically arranged on the lifting seat (70), the side push blocks (71) are connected with the lifting seat (70) in a sliding manner along the horizontal direction, and turning mechanical hands (60) are arranged on two sides of the movement path of the lifting seat (70); the side push blocks (71) are provided with permanent magnets, when the lifting seat (70) is positioned between the two overturning manipulators (60), the overturning manipulators (60) rotate to be in a vertical state, the push blocks (71) on the two sides are far away from each other and can be clamped between two triangular areas of the reinforcing ribs and the reinforcing ribs are attracted with the permanent magnets, and then the lifting seat (70) is driven to move downwards to pull the reinforcing ribs away from the bottoms of the flat clamping cavities of the two overturning manipulators (60) and press the reinforcing ribs into the space between the transverse steel plate and the steel plates on the two sides of the square steel pipe; when the lifting seat (70) goes upwards, the push blocks (71) at the two sides approach each other and are pulled away from the two triangular areas of the reinforcing ribs.

2. A steel frame preforming system according to claim 1, wherein: the swing bracket (231) is provided with a station a and a station b relative to the overturning bracket (20), when the swing bracket (231) is at the station a, the axis of the third guide roller (23) is parallel to the axis of the hinge shaft of the overturning bracket (20), the third guide roller (23) avoids the supporting area of the first guide roller (21), when the swing bracket (231) is at the station b, the axis direction of the third guide roller (23) is parallel to the axis direction of the first guide roller (21), and the third guide roller (23) protrudes into the supporting area of the first guide roller (21) and is matched with the first guide roller (21) for clamping the side steel plate; a linkage mechanism is arranged among the swing support (231), the overturning support (20) and the base (31), the linkage mechanism is assembled to enable the swing support (231) to be located at the station a when the overturning support (20) is located at the station one, enable the swing support (231) to be located at the station b when the overturning support (20) is located at the station two, enable the swing support (231) to move from the station a to the station b when the overturning support (20) moves from the station to the station two, and enable the swing support (231) to move from the station b to the station a when the overturning support (20) moves from the station to the station one; the linkage mechanism comprises a first transmission shaft (25) and a second transmission shaft (24), the axis of the first transmission shaft (25) is parallel to the axis of the second guide roller (22), and the axis of the second transmission shaft (24) is vertical to the axis of the first transmission shaft (25) and vertical to the axis of a hinged shaft of the swing bracket (231); a first bevel gear (311) is fixedly connected to the base (31), the first bevel gear (311) and a hinge shaft of the turnover support (20) are coaxially arranged, a second bevel gear (251) and a third bevel gear (252) are respectively arranged at two ends of the first transmission shaft (25), a fourth bevel gear (241) and a fifth bevel gear (242) are respectively arranged at two ends of the second transmission shaft (24), a sixth bevel gear (232) which is synchronously and rotatably connected is arranged on the hinge shaft of the swing support (231), the first bevel gear (311) is meshed with the second bevel gear (251), the third bevel gear (252) is meshed with the fourth bevel gear (241), and the fifth bevel gear (242) is meshed with the sixth bevel gear (232); the overall transmission ratio between the first bevel gear (311) to the sixth bevel gear (232) is 1: 1.

3. A steel frame preforming system according to claim 2, wherein: a telescopic mechanism is further arranged between the hinged shaft of the swing bracket (231) and the overturning bracket (20), and is assembled to enable the swing bracket (231) to move towards the direction close to the first guide roller (21) along the axial direction of the hinged shaft when the swing bracket (231) moves from the station a to the station b, and enable the swing bracket (231) to move towards the direction far away from the first guide roller (21) along the axial direction of the hinged shaft when the swing bracket (231) moves from the station b to the station a; the telescopic mechanism comprises a spiral boss (235) arranged on the overturning bracket (20) along the circumferential direction of a hinge shaft of the swinging bracket (231) and a pin rod (234) arranged on the hinge shaft of the swinging bracket (231), the hinge shaft of the swinging bracket (231) is in sliding connection with the overturning bracket (20) along the axis direction of the hinge shaft, the pin rod (234) is in sliding butt joint with the spiral boss (235), a first elastic unit (233) is arranged between the swinging bracket (231) and the overturning bracket (20), and when the swinging bracket (231) moves from the station a to the station b, the elastic force of the first elastic unit (233) can drive the swinging bracket (231) to slide towards the direction close to the first guide roller (21) along the axis direction of the hinge shaft; when the swing bracket (231) moves from the station b to the station a, the spiral boss (235) can push the pin rod (234) so as to enable the swing bracket (231) to slide in a direction away from the first guide roller (21) along the axial direction of the hinged shaft of the swing bracket.

4. A steel frame preforming system according to claim 3, wherein: the lifting support (10) is connected with the base (30) in a sliding mode through a vertical guide post, the linkage device comprises a swing rod (26) fixedly arranged on a hinge shaft of the turning support (20), a guide wheel (261) is arranged at the end portion of the swing rod (26), the guide wheel (261) is in rolling blocking connection with the bottom face of the lifting support (10), the swing rod (26) is in a vertical state when the turning support (20) is in a horizontal state, the swing rod (26) is in a horizontal state when the turning support (20) is in the vertical state, and the length of the swing rod (26) is larger than that of the second guide roller (22).

5. The steel frame preforming system of claim 4, wherein: the base (30) is provided with a protruding unit (34) which protrudes upwards, the upper end of the protruding unit (34) is blocked and connected with the bottom surface of the lifting bracket (10), and the protruding height of the protruding unit (34) is adjustable; the protruding unit (34) is a piston rod of a hydraulic cylinder vertically arranged on the machine base; a driving element for driving the overturning bracket (20) to overturn is arranged between the overturning bracket (20) and the base (31); the driving element is a piston cylinder, a cylinder body of the piston cylinder is hinged with the base (31), a piston rod of the piston cylinder is hinged with the overturning support (20) oppositely, and a hinged shaft is not coaxial with a hinged shaft between the overturning support (20) and the base (31); the base (31) is connected with a sliding rail (32) arranged on the base (30) in a sliding manner, the length direction of the sliding rail (32) is vertical to the axial direction of a hinge shaft of the turnover bracket (20), and a driving mechanism for driving the two bases (31) to synchronously and reversely move along the sliding rail (32) is arranged between the base (30) and the two bases (31); the driving mechanism comprises a lead screw (33) which is rotatably connected with the base (30) and is arranged in parallel with the slide rail (32), two sections of threads with opposite turning directions are symmetrically arranged on the lead screw (33), the two sections of threads are respectively in threaded fit with nut blocks arranged on the two bases (31), and the end part of the lead screw (33) is connected with a hand wheel or a motor; the storage tank (40) comprises a rectangular cylinder which is vertically arranged and a bottom plate which is arranged at the bottom of the rectangular cylinder, the reinforcing ribs are stacked in the storage tank (40) along the vertical direction, and the plate surface of each reinforcing rib is horizontally arranged; the bottom of two narrow walls of rectangular cylinder is equipped with the flat hole, and the height in flat hole is greater than the thickness of a strengthening rib and is less than the thickness of two strengthening ribs.

6. The steel frame preforming system of claim 5, wherein: the turnover manipulator (60) is provided with a flat clamping cavity, the turnover manipulator (60) is rotatably arranged on the rack to enable the flat clamping cavity to be switched between a vertical state and a horizontal state, when the flat clamping cavity is in the horizontal state, one end of the flat clamping cavity is flush with a flat hole on one side of the rectangular cylinder, the pushing mechanism is used for pushing the reinforcing ribs at the bottommost part of the material storage tank (40) into the flat clamping cavity in the horizontal state, the pushing mechanism comprises a pushing plate (50) which is slidably arranged on the bottom plate, and the pushing plate (50) is arranged opposite to the flat hole at the bottom of the rectangular cylinder along the sliding direction; the device also comprises a linkage driving mechanism for driving the push plate (50) to slide and driving the overturning mechanical arm (60) to rotate, wherein the linkage driving mechanism is assembled to enable the flat clamping cavity to keep a horizontal state in the process that the push plate (50) pushes the reinforcing ribs into the flat clamping cavity, and can simultaneously drive the overturning mechanical arm (60) to overturn from the horizontal state to a vertical state in the process that the push plate (50) is pulled out of the storage tank (40); the overturning manipulator (60) comprises an outer revolving part (61) and a core part (62) which are coaxially arranged, the outer revolving part (61) is rotatably connected with the core part (62), the core part (62) is rotatably connected with the rack, a first flat groove is arranged on the outer revolving part (61), a second flat groove is arranged on the core part (62), and when the first flat groove and the second flat groove are level, the first flat groove and the second flat groove jointly form the flat clamping cavity; a limiting block is arranged between the rack and the outer rotating part (61), the limiting block is assembled to limit the outer rotating part (61) to rotate only between a vertical state and a horizontal state, a torsion spring (64) is arranged between the outer rotating part (61) and the rack, the torsion spring (64) is assembled to enable the elastic force of the torsion spring to drive the outer rotating part (61) to rotate from the vertical state to the horizontal state, the core part (62) is connected with the linkage driving mechanism, the linkage driving mechanism can drive the core part (62) to rotate from the vertical state to the horizontal state in the process that the push plate (50) pushes the reinforcing ribs into the flat clamping cavities, and the linkage driving mechanism can drive the core part (62) to turn from the horizontal state to the vertical state in the process that the push plate (50) is pulled out of the material storage groove (40); when the reinforcing rib is located flat clamp cavity and core (62) rotate to vertical state by the horizontal state core (62) can drive outer gyration portion (61) synchronous rotation through the reinforcing rib thereby make outer gyration portion (61) rotate to vertical state, and the reinforcing rib is pressed from both sides tightly under the relative torsional force effect of core (62) and outer gyration portion (61), and after the reinforcing rib that presss from both sides the intracavity flat is taken out, outer gyration portion (61) can kick-back to horizontal state in the twinkling of an eye under the effect of torsional spring (64), and then make push pedal (50) just begin to push the tip of flat clamp cavity just align with flat hole when the reinforcing rib next time.

7. The steel frame preforming system of claim 6, wherein: the linkage driving mechanism comprises a piston cylinder which is horizontally arranged, and a piston rod of the piston cylinder is fixedly connected with the push plate (50); the core part rotating mechanism is characterized by further comprising a horizontal guide rod (52), a pushing head (54) is arranged at one end of the horizontal guide rod (52), a vertical waist-shaped hole is formed in the pushing head (54), a swing arm (63) is arranged on a rotating shaft of the core part (62), a pin column is arranged at the end part of the swing arm (63) and is in sliding pin joint with the vertical waist-shaped hole, the horizontal guide rod (52) is in sliding connection with the rack along the length direction of the horizontal guide rod, an elastic element (53) is arranged between the horizontal guide rod (52) and the rack, and the elastic element (53) is assembled to enable the core part (62) to rotate to be in a horizontal state from a vertical state through elasticity; the push plate (50) is provided with a blocking part (51) in an extending mode, the blocking part (51) is blocked with a radial convex part arranged on the horizontal guide rod (52), and when the push plate (50) slides in the direction far away from the overturning manipulator (60), the blocking part (51) can drive the horizontal guide rod (52) to slide and enable the core part (62) to rotate to the vertical state from the horizontal state; the elastic element (53) is a pressure spring, the pressure spring is sleeved on the horizontal guide rod (52), and two ends of the pressure spring are respectively abutted to the push head (54) and the rack.

8. The steel frame preforming system of claim 7, wherein: the lifting mechanism is characterized by further comprising a driving block (72) movably connected with the rack in the vertical direction, the rack is provided with a driving part for driving the driving block (72) to move up and down, the driving part is a hydraulic cylinder vertically arranged on the rack, wedge-shaped blocks (713) are arranged on the pushing blocks (71) on the two sides, an inclined plane matched with the two wedge-shaped blocks (713) is arranged on the driving block (72), and when the driving block (72) moves downwards relative to the lifting seat (70), the pushing blocks (71) on the two sides can be driven to be away from each other; a locking mechanism (80) is arranged between the lifting seat (70) and the rack, the locking mechanism (80) is assembled to be capable of keeping the lifting seat (70) at the position when the lifting seat (70) is positioned between the two overturning manipulators (60), and the locking mechanism (80) can release the lifting seat (70) after the driving block (72) descends to drive the push blocks (71) at the two sides to be away from each other, and at the moment, the lifting seat (70) continues to descend to drive the lifting seat (70) to descend synchronously; the side push block (71) is provided with a slope surface (711) matched with the bevel edge of the triangular area of the reinforcing rib, and two sides of the slope surface (711) are provided with clamping walls (712) used for clamping the side surfaces of the reinforcing rib; the lifting seat (70) is provided with a blocking plate (74) blocked and connected with the driving block (72), when the driving block (72) moves upwards and is separated from the wedge block (713), the driving block (72) is abutted against the blocking plate (74), the driving block (72) continues to move upwards to drive the lifting seat (70) to move upwards, and the pushing blocks (71) at the two sides are mutually folded under the action of the top slope surface (711) and the bevel edge of the reinforcing rib and are separated from the reinforcing rib; step surfaces are further arranged on two sides of the driving block (72), when the driving block (72) drives the pushing blocks (71) on two sides to be away from each other, the part below the step surfaces of the driving block (72) is inserted between the two wedge-shaped blocks (713), and the step surfaces are in blocking connection with the wedge-shaped blocks (713) to drive the lifting seat (70) to move downwards.

9. The steel frame preforming system of claim 8, wherein: the lifting seat (70) is in damping sliding fit with the rack through a vertical guide rod (73); locking mechanical system (80) include draw-in groove (731) that set up on vertical guide arm (73) and cardboard (81) that the frame goes up the slip setting, be equipped with the round hole and the flat hole that link up each other on cardboard (81), the diameter of round hole is greater than the diameter of vertical guide arm (73), the width in flat hole is less than the diameter of vertical guide arm (73) and is greater than the cross-sectional width of draw-in groove (731) department of vertical guide arm (73), be equipped with spring (82) between cardboard (81) and the frame, cardboard (81) and draw-in groove (731) parallel and level when lift seat (70) are located between two upset manipulators (60), cardboard (81) make flat hole card go into in draw-in groove (731) with the vertical motion that prevents lift seat (70) under spring (82) effect this moment.

10. A steel frame preforming system according to claim 9, wherein: be equipped with second wedge (83) on cardboard (81), still include wedge driving block (75) with the relative rigid coupling of driving block (72), wedge driving block (75) and second wedge (83) butt after driving block (72) with both sides ejector pad (71) separation, driving block (72) continue down at this moment can drive cardboard (81) and slide and make round hole and vertical guide arm (73) just right and then make locking mechanism (80) unblock.