CN119141098A

CN119141098A - Truss group automatic welding equipment and production process thereof

Info

Publication number: CN119141098A
Application number: CN202411495388.7A
Authority: CN
Inventors: 隋小涛; 李永才; 王伟; 霍康琦; 霍康杰; 郑成志; 姜春凯
Original assignee: Shandong Yukun Carbon And New Building Materials Co ltd; Binzhou Hongji Building Material Co ltd
Current assignee: Shandong Yukun Carbon And New Building Materials Co ltd; Binzhou Hongji Building Material Co ltd
Priority date: 2024-10-24
Filing date: 2024-10-24
Publication date: 2024-12-17

Abstract

The invention discloses automatic truss group welding equipment which comprises a welding platform, wherein a turnover frame is arranged on one side of the welding platform, a plurality of groups of trusses can be stacked on the turnover frame, a steel bar storage frame is arranged on the other side of the welding platform and used for storing steel bar cross beams used for welding truss groups, a movable first grabbing component, a movable second grabbing component and a movable welding component are arranged above the welding platform, the first grabbing component can grab and place a plurality of trusses with the same height stacked on the turnover frame on the welding platform at the same time, the steel bar storage frame can insert the steel bar cross beams into the upper parts of the trusses on the welding platform, the welding component can weld the steel bar cross beams and the trusses together to form truss groups, and the second grabbing component can grab and place the welded truss groups in a storage area for storage. The invention also discloses a truss group production process, the structural design of the truss group production process is ingenious, the automation degree is high, the welding quality is stable, and the production efficiency is improved.

Description

Truss group automatic welding equipment and production process thereof

Technical Field

The invention relates to the field of constructional engineering, in particular to automatic truss group welding equipment and a production process thereof.

Background

At present, in order to accelerate construction progress and save materials, steel bar truss floors are favored by the engineering world, and more applications are in engineering. The steel bar truss floor support plate is characterized in that steel bars in a floor slab are processed into steel bar trusses in factories, galvanized steel plates are processed into profiled steel plates, the steel bar trusses and the galvanized steel plates are welded into an integral composite floor slab through resistance electric welding, construction loads are born by replacing a template scaffold in a construction stage, and the upper steel bars participate in structural stress in a use stage, so that the steel bar truss floor support plate is an economical, convenient, safe and reliable building floor slab material.

In recent years, the forms of steel bar truss floor support plates are also more and more diversified, and mainly comprise two types of metal templates and wooden templates, wherein a metal bottom die can be removed or not, and the wooden templates generally need to be removed. However, if the bottom plate is removed, time and labor are wasted, concrete is exposed, the bottom plate is required to be plastered and then scraped, and the bottom plate is not removed, so that a suspended ceiling is required to cover the bottom plate because the metal bottom plate cannot be plastered and scraped. Therefore, the applicant develops a disassembly-free truss plate, which embeds the lower part of a steel bar truss in concrete slurry, and realizes connection with the steel bar truss along with solidification molding of the concrete slurry, namely, connection of the bottom plate and the steel bar truss is completed in the process of producing the concrete bottom plate, thereby avoiding complex structure of the bottom plate caused by the attachment of the connecting part of the steel bar truss, and reducing the installation of the attachment connecting piece and workload of completing connection of the steel bar truss and the bottom plate through the connecting piece.

In the process of producing the truss plates, the steel bar trusses are usually placed in a mould one by one, then concrete slurry is paved in the mould, the truss plates are shaped after being compacted and smoothed by vibration, and the shaped truss plates can be used in constructional engineering. However, in actual production and processing, if the steel bar trusses are placed one by one manually, the labor intensity of workers is high, the production efficiency is low, and the consistency of the spacing and the height of the trusses cannot be ensured, so that the quality of the final truss plates is affected. Therefore, the applicant welds a plurality of steel bar trusses to form truss groups, only one truss group needs to be placed in a die, so that the production efficiency of truss plates is effectively improved, but truss plates are produced in a large scale, manual welding of the truss groups is adopted, the problems of high labor intensity and low production efficiency of workers are brought, and in addition, the welding technology of workers is very dependent, so that the design of automatic truss group welding equipment is needed to improve the welding efficiency and quality of truss groups.

Disclosure of Invention

The invention provides automatic truss group welding equipment and a production process thereof, which have the effects of high production efficiency and high size consistency. The specific technical scheme is as follows:

The automatic truss group welding equipment comprises a welding platform, wherein a turnover frame is arranged on one side of the welding platform, a plurality of groups of trusses can be stacked on the turnover frame, a steel bar storage frame is arranged on the other side of the welding platform and used for storing steel bar cross beams used for welding truss groups, a movable first grabbing component, a second grabbing component and a welding component are arranged above the welding platform, the first grabbing component can grab and place a plurality of trusses with the same height stacked on the turnover frame on the welding platform at the same time, the steel bar storage frame can insert the steel bar cross beams into the trusses on the welding platform, the welding component can weld the steel bar cross beams and the trusses together to form truss groups, and the second grabbing component can grab and place the welded truss groups in a storage area for storage.

Further, the turnover frame includes the base, and base top length direction's both ends symmetry interval is provided with many stands, forms between two adjacent stands and places the space, and place the bottom in space be provided with truss shape assorted support frame, the support frame can play the supporting role to the truss, and multiunit truss can stack respectively in placing the space to can equipartition a plurality of trusss on same horizontal plane are snatched with waiting first snatch the subassembly.

Further, clamping and positioning assemblies are arranged above the welding platform, two groups of clamping and positioning assemblies are symmetrically arranged above the welding frame so as to clamp and fix a plurality of groups of trusses on the welding frame.

Further, the welding platform's top is provided with crossbeam bearing subassembly, and crossbeam bearing subassembly includes a plurality of gyro wheels, and the gyro wheel surface is provided with V type groove, and the V type groove on a plurality of gyro wheel surfaces is on same straight line, and the reinforcing bar storage rack can push the reinforcing bar crossbeam into the V type inslot on gyro wheel surface, and a plurality of gyro wheels support reinforcing bar crossbeam jointly.

Further, first snatch the mobilizable setting of subassembly, second snatch subassembly and welding component on the main frame, the main frame includes the main frame, and the main frame sets up in welding platform and the top of reinforcing bar storage rack, and the main frame down extends all around and is provided with the main leg, and the main leg links to each other with ground is fixed to make the main frame cover establish in welding platform, turnover frame and the top of reinforcing bar storage rack.

Further, a first moving frame and a second moving frame are arranged in the main frame, the first moving frame and the second moving frame can move left and right in the main frame, the first grabbing component and the welding component are arranged on the first moving frame, the first grabbing component and the welding component can move back and forth on the first moving frame, the second grabbing component is arranged on the second moving frame, and the second grabbing component can move back and forth on the second moving frame.

Further, the welding assembly comprises an upper welding assembly and a lower welding assembly, the upper welding assembly is arranged on the main frame and can move up and down relative to the main frame, the lower welding assembly is arranged on the welding platform and can move up and down relative to the welding platform, and the upper welding assembly and the lower welding assembly can simultaneously collide with the truss and the steel bar beam and complete welding.

Further, the first grabbing component comprises a clamping jaw seat, a plurality of clamping jaw components are uniformly distributed on the front side and the rear side of the clamping jaw seat, a clamping jaw sliding frame is connected with a clamping jaw sliding table, the clamping jaw sliding table is arranged on the first moving frame in a sliding mode, and the clamping jaw sliding frame can move up and down relative to the clamping jaw sliding table so as to drive the clamping jaw seat and the clamping jaw components to move up and down.

Further, the steel bar storage rack comprises a bottom plate, a plurality of base plates are fixedly and vertically arranged on the bottom plate in an inclined mode, a plurality of base plates are arranged in parallel, a steel bar placing table is arranged on the side edges of the base plates, a steel bar beam can be placed in the steel bar placing table, a pushing table is arranged at the top of the base plates, a sliding plate is arranged on the side edges of the base plates in a bonding sliding mode, a jacking table is arranged on the side edges of the sliding plate, when the sliding plate slides from bottom to top, the jacking table can lift the steel bar beam in the steel bar placing table into the pushing table, a shifting block assembly is arranged above the pushing table, and the shifting block assembly can push the steel bar beam in the pushing table out to a welding platform.

A truss group production process comprises the automatic truss group welding equipment, which comprises the following steps:

the first grabbing component grabs a plurality of trusses which are stacked on the turnover frame and have the same height, and then the trusses are placed on a welding platform and fixed;

The steel bar storage rack inserts the steel bar cross beam into the upper parts of the trusses on the welding platform;

The welding assembly clamps and welds the steel bar cross beam and the trusses together to form a truss group;

The second snatchs the truss group that the welding was accomplished on the subassembly with welding platform and snatchs, places storage area storage, and when the second snatched the subassembly and remove to welding platform top, first snatched the subassembly and remove to turnover frame top to dodge the second and snatch the subassembly, and wait to snatch next time.

The automatic truss group welding equipment is ingenious in structural design, a plurality of trusses on the turnover frame are simultaneously grabbed by the grabbing component and placed on the welding platform, the used steel bar cross beams 8 are automatically provided for welding the trusses on the welding platform by the steel bar storage frame, the clamping and positioning component, the truss supporting component and the cross beam supporting component on the welding platform are matched, so that a plurality of groups of trusses and the steel bar cross beams 8 are accurately positioned, the trusses and the steel bar cross beams 8 are welded by the pushing-down and pressing-up welding component, the welding quality is stable and reliable, and the welded truss group can be placed on a finished product placing frame for storage by the grabbing component, so that the production efficiency of the truss group is greatly improved.

The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a perspective view of an automated truss set welding apparatus of the present invention;

FIG. 2 is a perspective view of the turnover frame of the present invention placed on a turnover seat;

FIG. 3 is a perspective view of the turret of the present invention;

FIG. 4 is a perspective view of a peripheral turret according to the present invention;

FIG. 5 is a perspective view of a welding platform of the present invention;

FIG. 6 is a perspective view of a jaw mount of the present invention;

fig. 7 is an enlarged view of a portion a of fig. 6;

FIG. 8 is a schematic view of the locations of the connection points of the jaw gripping trusses;

FIG. 9 is a schematic view of the installation of the trigger assembly of the present invention;

FIG. 10 is a schematic illustration of the connection of the upper welding assembly and the first gripping assembly to the mobile carriage of the present invention;

FIG. 11 is a schematic view of the lower weld assembly and cross beam support assembly of the present invention;

fig. 12 is a perspective view of the reinforcement bar storage rack of the present invention;

FIG. 13 is a schematic view of the slide plate of the present invention in an initial position;

Fig. 14 is an enlarged view of a portion a of fig. 9;

fig. 15 is an enlarged view of a portion B of fig. 9;

FIG. 16 is a schematic view of the slide plate of the present invention as it moves from an initial position to a raised position;

FIG. 17 is a schematic view of the slide plate of the present invention in a raised position;

FIG. 18 is a schematic view of the slide plate of the present invention as it moves from the raised position to the initial position;

FIG. 19 is a schematic view of the slide plate of the present invention returning to an initial position;

fig. 20 is an enlarged view of a portion C of fig. 12;

fig. 21 is a view showing a state of use of the reinforcing bar storage rack of the present invention.

Detailed Description

For a better understanding of the objects, functions and specific embodiments of the present invention, the automatic truss set welding apparatus of the present invention will be described in further detail with reference to the accompanying drawings.

As shown in figures 1-21, the automatic truss group welding equipment comprises a welding platform 2, wherein a turnover frame 3 is arranged on one side of the welding platform 2, a plurality of groups of trusses can be stacked on the turnover frame 3, a steel bar storage frame 1 is arranged on the other side of the welding platform 2, the steel bar storage frame 1 is used for storing steel bar cross beams used for welding truss groups, a movable first grabbing component 4, a movable second grabbing component 5 and a movable welding component 6 are arranged above the welding platform 2, the first grabbing component 4 can grab and place a plurality of trusses with the same height, which can be stacked on the turnover frame 3, on the welding platform 2 at the same time, the steel bar storage frame 1 can insert the steel bar cross beams into the upper parts of the trusses on the welding platform 2, the welding component 6 can weld the steel bar cross beams 8 and the trusses together to form truss groups, and the second grabbing component 5 can grab and place the welded truss groups to a storage area for storage.

Specifically, as shown in fig. 2-4, the turnover frame 3 includes a base 31, two ends of the length direction above the base 31 are symmetrically provided with a plurality of columns 32 at intervals, a placement space is formed between two adjacent columns 32, a supporting seat 34 matched with the truss in shape is provided at the bottom of the placement space, and the supporting seat 34 can support the truss so as to prevent the truss below from being deformed under compression due to the gravity action of a plurality of trusses above, and the truss in this embodiment is triangular, so that the supporting seat 34 is also triangular. The trusses can be respectively stacked in the placing space, so that a plurality of trusses can be uniformly distributed on the same horizontal plane to be grabbed by the first grabbing component 4 and placed on the welding platform 2 for welding.

Specifically, as shown in fig. 2, the truss limiting plate 33 is disposed on the upright post 32, and the width of the truss limiting plate 33 is larger than that of the upright post 32, so that the truss is in contact with the truss limiting plate 33, the contact area between the truss and the turnover frame 3 is reduced, and the friction force between the truss and the turnover frame 3 is reduced, so that the truss is taken out conveniently.

In order to facilitate the placement of the trusses on the turnover frame 3, the guide part 331 is arranged above the truss limiting plates 33, namely, the straight chamfer is arranged above the truss limiting plates 33, and the straight chamfer above the two adjacent truss limiting plates 33 forms the guide part 331 with a horn mouth shape with a narrow lower part and a wide upper part, so that the trusses to be placed can be guided, and the trusses can be placed conveniently.

Preferably, when the truss stored on the turnover frame 3 is taken out, in order to facilitate timely and rapid truss addition, the whole turnover frame 3 is replaced in this embodiment, that is, the empty turnover frame 3 is taken away, and the turnover frame 3 filled with the truss is directly replaced. Therefore, in order to facilitate the transportation of the turnover frame 3, an inserting part 37 for inserting a forklift is arranged below the turnover frame 3, and the turnover frame 3 is transported by the forklift.

In order to reduce the burden of the forklift during transportation, the base 31 of the present embodiment is a rectangular frame, so as to reduce the weight of the base 31, and a reinforcing beam 35 is disposed at the middle position of the rectangular frame, so as to enhance the strength of the base 31 and avoid deformation of the base 31.

Preferably, as shown in fig. 4, in order to facilitate positioning of the turnover frame 3, the turnover frame 3 is disposed on the turnover seat 36, and the turnover seat 36 is fixed on the ground, so that the first grabbing assembly 4 can accurately grab the truss on the turnover frame 3. Zhou Zhuai 36 are provided with a plurality of turnover seat fixing plates 361 at the bottom, fixing holes are formed in the turnover seat fixing plates 361, and bolts can be connected in the fixing holes so as to fix the turnover seat 36. It is worth noting that the positioning baffle 362 is disposed on the turnover seat 36, one end of the positioning baffle 362 away from Zhou Zhuai extends outwards in an inclined manner, one end of the turnover frame 3 away from the forklift truck can be placed on the positioning baffle 362 first, then one end of the turnover frame 3 away from the forklift truck slides onto the turnover seat 36 first, and finally the forklift truck withdraws. So set up, made things convenient for fork truck to place turnover frame 3 on turnover seat 36 to fix a position turnover frame 3.

As shown in fig. 5 to 7, the welding platform 2 comprises a welding frame 21, a clamping and positioning assembly 25, a truss support assembly 26 and a beam bearing assembly 27 are respectively arranged above two ends of the welding frame 21, the clamping and positioning assembly 25 can position and clamp a plurality of groups of trusses placed on the welding frame 21 so that the ends of the plurality of groups of trusses are aligned and fixed on the welding frame 21 to form a steel bar beam 8 to be welded, the truss support assembly 26 can play a role of supporting the trusses, and the beam bearing assembly 27 is used for bearing the steel bar beam 8 to be placed.

The welding frame 21 includes a rectangular upper frame 211 and a lower frame 212, the upper frame 211 includes four corners of upper legs, the lower frame 212 includes four corners of lower legs, and the upper legs are sleeved on the lower legs and can slide relative to the lower legs, so that the heights of the four corners of the upper frame 211 are adjusted to ensure the levelness of the upper surface of the upper frame 211. In order to facilitate the adjustment of the upper frame 211, the lower frame 212 is provided with a lifter 213, the movable end of the lifter 213 is connected with the upper support leg, the height of the upper support leg is automatically adjusted by the lifter 213, and the lifter 213 can be an existing turbine screw lifter 213.

The clamping and positioning assemblies 25 are two groups, and the two groups of clamping and positioning assemblies 25 are symmetrically arranged above the welding frame 21 so as to clamp and fix a plurality of groups of trusses on the welding frame 21. The clamping and positioning assembly 25 includes a positioning cylinder 251, the positioning cylinder 251 being coupled to the positioning plate 252, the positioning cylinder 251 being operable to move the positioning plate 252 to thereby urge the plurality of sets of trusses to move and align the ends of the plurality of sets of trusses. The two positioning cylinders 251 of the present embodiment are used to increase the thrust and the clamping force of the positioning plate 252, the two positioning cylinders 251 are connected with one cylinder block 253, and two ends of the cylinder block 253 are connected with the positioning plate 252 through bolts and nuts. The angle of the positioning plate 252 is adjusted by adjusting the nut position to ensure that the ends of the multiple sets of trusses are aligned.

It is noted that in order to enable the two sets of clamping and positioning assemblies 25 to clamp trusses of different length specifications. In this embodiment, a set of clamping and positioning assemblies 25 is fixedly disposed above the welding frame 21, another set of clamping and positioning assemblies 25 is connected with a moving seat 28, and the moving seat 28 can drive the clamping and positioning assemblies 25 to move on the welding frame 21, so as to match with the fixedly disposed clamping and positioning assemblies 25 to perform positioning and clamping on trusses with different length specifications. Specifically, a movable seat 28 is arranged below the welding platform 2, a clamping and positioning assembly 25 which is arranged in a movable manner is connected with a positioning bracket 254, one end of the positioning bracket 254 is connected with a positioning cylinder 251, and the other end of the positioning bracket 254 is fixedly connected with the movable seat 28, so that the clamping and positioning assembly 25 is connected with the movable seat 28.

Truss support subassembly 26 includes with truss shape assorted support frame 261, truss and support frame 261 of this embodiment are triangular prism shape, and support frame 261 sets up on welding frame 21, and support frame 261 can play the supporting role to the truss. In order to make the truss support assembly 26 support trusses with different length specifications, the truss support assembly 26 of this embodiment is divided into two groups, one group of truss support assemblies 26 is fixedly arranged above the welding frame 21, the other group of truss support assemblies 26 is fixedly connected with the support plate 262, the support plate 262 is slidably arranged on the upper surface of the welding frame 21, the support plate 262 is connected with the movable seat 28 through the support column 263, and the movable seat 28 can drive the truss support assemblies 26 to move on the welding frame 21, so that the truss support assemblies 26 fixedly arranged can be matched with trusses to support trusses with different length specifications.

The beam bearing assembly 27 comprises a plurality of rollers 271, V-shaped grooves are formed in the surfaces of the rollers 271, the V-shaped grooves in the surfaces of the rollers 271 are on the same straight line, the steel bar storage rack 1 can push the steel bar beam 8 into the V-shaped grooves in the surfaces of the rollers 271, the rollers 271 jointly bear the steel bar beam 8, and the steel bar beam 8 and a plurality of trusses are welded together to form a truss set by the to-be-welded assembly 6. It should be noted that, in order to limit the distance that the reinforcement bar beam 8 is pushed in by the reinforcement bar storage rack 1, the beam support assembly 27 includes a limit baffle assembly 272, and the limit baffle assembly 272 is disposed on a side of the welding frame 21 away from the reinforcement bar storage rack 1 and corresponds to a line connecting the V-shaped grooves on the surfaces of the plurality of rollers 271, so that the reinforcement bar storage rack 1 can collide with the limit baffle assembly 272 when pushing in the reinforcement bar beam 8. The stop plate assembly 272 includes a stop plate that is connected to a stop cylinder that can adjust the position of the stop plate to accommodate the reinforcing bar cross beams 8 of different length specifications.

The roller 271 of the present embodiment is connected to a roller holder 273, the roller holder 273 is connected to a roller holder 274, and the roller holder 274 is used for fixing the roller holder 273. Preferably, in order to prevent the steel bar storage rack 1 from being deviated when pushing the steel bar beam 8 into the V-shaped groove of the roller 271, two sides above the roller seat 273 are provided with guide stoppers 275.

The beam support assemblies 27 of this embodiment are provided in two groups for welding two reinforcing bar beams 8 simultaneously, so that the two groups of beam support assemblies 27 can be used for welding trusses of different length specifications. The roller support 274 of the beam support assembly 27 is fixed to the fixing base 29, and the fixing base 29 is fixedly connected to the lower frame 212 of the welding platform 2, so that the rollers 271 are fixed on the upper surface of the welding frame 21. The roller support 274 of the other set of beam support members 27 is secured to a movable carriage 28. The movable carriage 28 moves the beam support members 27 over the welding frame 21 so as to cooperate with the fixedly disposed beam support members 27 to provide the rebar beams 8 for welding trusses of different length gauges.

The fixing seat 29 and the moving seat 28 of the present embodiment are both disposed below the welding platform 2 and fixedly connected to the lower frame 212 of the welding platform 2. The movable seat 28 comprises a movable bottom plate 281 and a movable mounting plate 282 which are connected, a sliding block is arranged below the movable bottom plate 281, a linear guide rail assembly is fixedly arranged below the lower frame 212, and the sliding block below the movable bottom plate 281 is connected with the linear guide rail assembly and can slide on the linear guide rail assembly, so that the movable seat 28 can move. Preferably, a moving seat driving assembly is fixedly arranged below the lower frame 212 of the present embodiment, and the moving seat driving assembly can drive the moving seat 28 to slide on the linear guide rail assembly, and the moving seat driving assembly can use the existing screw structure. The movable mounting plate 282 is used to connect the truss support assembly 26 to the beam support assembly 27.

As shown in fig. 1 and 7, the first grabbing component 4, the second grabbing component 5 and the welding component 6 are all movably arranged on the main frame 7, the main frame 7 comprises a main frame 71, the main frame 71 is arranged above the welding platform 2, the turnover frame 3 and the steel bar storage frame 1, main supporting legs 72 are arranged on the periphery of the main frame 71 in a downward extending mode, and the main supporting legs 72 are fixedly connected with the ground, so that the main frame 71 is covered above the welding platform 2, the turnover frame 3 and the steel bar storage frame 1. The main frame 71 is provided with a first moving frame 73 and a second moving frame 74, the first moving frame 73 and the second moving frame 74 can move left and right in the main frame 71, the first grabbing component 4 and the welding component 6 are arranged on the first moving frame 73, the first grabbing component 4 and the welding component 6 can move back and forth on the first moving frame 73, the second grabbing component 5 is arranged on the second moving frame 74, and the second grabbing component 5 can move back and forth on the second moving frame 74.

Specifically, racks are fixedly provided on the main frame 71 of the present embodiment, gears are provided on the first moving frame 73 and the second moving frame 74, the gears are connected to a driving motor, and the gears are driven to rotate by the driving motor, thereby realizing the movement on the main frame 71.

The welding components 6 of this embodiment are two groups, the welding components 6 include an upper welding component 61 and a lower welding component 62, the two groups of upper welding components 61 are both disposed on the first moving frame 73 and can move up and down relative to the first moving frame 73, one group of lower welding components 62 is disposed on the fixing seat 29 of the welding platform 2 and can move up and down relative to the welding platform 2, the other group of lower welding components 62 is disposed on the moving seat 28 of the welding platform 2 and can move up and down relative to the welding platform 2, and the upper welding component 61 and the lower welding component 62 can simultaneously collide with the truss and the reinforcing steel bar beam 8 and complete welding.

The upper welding assembly 61 includes a plurality of upper electrodes 611, the plurality of upper electrodes 611 are fixed on an upper carriage 612, the upper carriage 612 is slidably connected with an upper welding frame 613, an upper welding driving assembly is disposed on the upper welding frame 613, and the upper welding driving assembly can drive the upper carriage 612 to move up and down, so as to drive the upper electrodes 611 to move up and down, and the upper welding driving assembly is preferably an air cylinder. It will be appreciated that the upper welding frame 613 opposite to the lower welding assembly 62 connected to the fixing base 29 is fixedly provided on the first moving frame 73, and the upper welding frame 613 opposite to the lower welding assembly 62 connected to the moving base 28 is slidably provided on the first moving frame 73, and the upper welding moving assembly is provided on the first moving frame 73, and the upper welding moving assembly may drive the upper welding frame 613 to slide on the first moving frame 73 so that the upper electrode 611 may be aligned with the welding position. The upper welding moving assembly can be a screw rod structure or a motor linear guide rail, and the like, and the existing worm wheel screw rod lifter is adopted in the embodiment.

As shown in fig. 6, the two sets of lower welding assemblies 62 fixed on the fixed base 29 and the movable base 28 of the present embodiment have the same structure, and herein, the lower welding assembly 62 is illustrated as a lower welding assembly 62 fixed on the fixed base 29, and the lower welding assembly 62 includes a resistor transformer 63 and a plurality of lower electrodes 621, the resistor transformer 63 is fixed on the fixed base 29 and connected to the plurality of lower electrodes 621, the lower ends of the lower electrodes 621 are connected to a lower welding driving assembly 622, the lower welding driving assembly 622 is fixed on the fixed base 29, the lower welding driving assembly 622 can drive the lower electrodes 621 to move up and down, and the plurality of lower electrodes 621 can lift the reinforcing bar beam 8 and collide with a plurality of trusses to be welded, and the lower welding driving assembly 622 is preferably an air cylinder.

As shown in fig. 7-9, the first grabbing component 4 includes a clamping jaw seat 41, a plurality of clamping jaw components 42 are uniformly distributed on the front side and the rear side of the clamping jaw seat 41, the clamping jaw seat 41 is connected with a clamping jaw sliding frame 43, the clamping jaw sliding frame 43 is connected with a clamping jaw sliding table 44, the clamping jaw sliding table 44 is slidably arranged on the first moving frame 73, and the clamping jaw sliding frame 43 can move up and down relative to the clamping jaw sliding table 44 so as to drive the clamping jaw seat 41 and the clamping jaw components 42 to move up and down. Specifically, a sliding table fixing plate 45 is arranged on the clamping jaw sliding table 44, linear guide rails are arranged on two sides of the clamping jaw sliding frame 43, and sliding blocks of the linear guide rails are connected with the sliding table fixing plate 45 so as to realize sliding connection of the clamping jaw sliding frame 43 and the clamping jaw sliding table 44. The jaw carriage 43 is further provided with a jaw lifting assembly, which drives the jaw carriage 43 to lift relative to the jaw slipway 44. The jaw lifting assembly may employ an existing worm gear screw elevator, or other existing drive means that may effect linear reciprocation.

The first moving frame 73 is provided with a clamping jaw moving assembly, and the clamping jaw moving assembly can drive the clamping jaw sliding table 44 to slide on the first moving frame 73, so that the clamping jaw seat 41 can correspond to the middle position of the grabbed truss. The jaw moving assembly may employ an existing worm gear screw elevator, or other existing drive means that may effect linear reciprocation. Preferably, in order to improve the stability of the movement of the jaw sliding table 44, a linear guide rail is provided on the first moving frame 73, and the jaw sliding table 44 is fixedly connected with a slider of the linear guide rail, so that the jaw sliding table 44 can slide reciprocally on the linear guide rail.

As shown in fig. 9, the clamping jaw assembly 42 includes two clamping jaws 421 symmetrically disposed about, the two clamping jaws 421 are respectively connected to a starting plate 422, the two starting plates 422 are connected to a clamping jaw cylinder 423, and the two clamping jaws 421 can be driven to open and close about by the expansion and contraction of the clamping jaw cylinder 423, so as to grasp the truss. The clamping jaw cylinder 423 is fixed on the cylinder mounting plate 424, the cylinder mounting plate 424 extends towards the extending direction of the cylinder and is provided with an articulated arm 425, the articulated arm 425 is articulated with the middle part of the starting plate 422, one end of the starting plate 422 is provided with a strip hole, the starting plate 422 is articulated with the output shaft of the clamping jaw cylinder 423 through the strip hole, and the other end of the starting plate 422 is connected with the clamping jaw 421, so that the two clamping jaws 421 of the clamping jaw cylinder 423 are driven to open and close left and right in a telescopic mode.

Preferably, as shown in fig. 10, the clamping jaw 421 is hinged to the actuating plate 422, and the clamping jaw 421 can swing back and forth freely relative to the actuating plate 422, so that when the clamping jaw 421 grabs the truss, even if the connecting point position of the truss is grabbed, the connecting point position can be avoided to effectively grab the truss.

As shown in fig. 9, the cylinder mounting plate 424 is connected to the jaw fixing frame 426, the jaw fixing frame 426 is fixed on the jaw seat 41, and the cylinder mounting plate 424 can freely float up and down on the jaw fixing frame 426, so that the whole of the jaw 421 and the jaw cylinder 423 can freely float up and down relative to the jaw seat 41, so as to grasp multiple trusses with different heights at the same time.

The clamping jaw fixing frame 426 of the embodiment is vertically provided with a floating hole 428, the cylinder mounting plate 424 is connected with the clamping jaw fixing frame 426 through the floating hole 428 by adopting bolts, and the bolts can move in the floating hole 428, so that floating connection between the cylinder mounting plate 424 and the clamping jaw fixing frame 426 is realized.

It should be noted that the hinge arm 425 is fixedly connected with a floating plate 427, and when the gripping truss is gripped by the gripping jaw 421, the lower edge of the floating plate 427 abuts against the top of the truss, so that the gripping jaw 421 and the gripping jaw cylinder 423 integrally float up and down freely relative to the gripping jaw seat 41.

Preferably, as shown in fig. 11, in order to improve the reliability of the gripping truss of the gripping jaw 421, the gripping jaw seat 41 is further provided with a triggering component 46, the triggering component 46 includes a triggering rod 461, the triggering rod 461 is slidably disposed on the gripping jaw seat 41 up and down, a travel switch 462 is disposed above the triggering rod 461, the travel switch 462 is disposed at an interval with the triggering rod 461, after the triggering rod 461 contacts with the truss, the truss can jack up the triggering rod 461 for a certain distance relative to the gripping jaw seat 41 and then is in contact with the travel switch 462, so as to trigger the gripping jaw cylinder 423 to shrink, so that the gripping jaw 421 is closed, and the gripping of the truss is completed. The trigger lever 461 in this embodiment is vertically provided with a linear guide rail, and a slider of the linear guide rail is fixedly connected with the clamping jaw seat 41, so as to realize connection between the trigger lever 461 and the clamping jaw seat 41. A switch bracket 463 is fixed to the jaw holder 41, and a travel switch 462 is provided to the switch bracket 463. Preferably, the switch bracket 463 is provided with an adjusting hole 464, and the travel switch 462 is fixed on the switch bracket 463 through the adjusting hole 464, so as to conveniently adjust the distance between the travel switch 462 and the trigger lever 461. In order to improve the reliability of the trigger lever 461, the lower end of the trigger lever 461 is connected with a horizontal lever 465, and the horizontal lever 465 can increase the contact area with the truss, thereby making the trigger assembly 46 more reliable.

As shown in fig. 1, the second grabbing component 5 has the same structure as the first grabbing component 4, which is not described herein, but it is understood that, because the second grabbing component 5 grabs a welded truss group, only two groups of clamping jaw components 42 need to be arranged on the second grabbing component 5, so as to reduce the equipment cost. Preferably, the side of the steel bar storage rack 1 far away from the welding platform 2 is provided with a finished product placing rack, and the second grabbing component 5 can grab the welded truss group from the welding platform 2 and place the truss group on the finished product placing rack for storage.

As shown in fig. 12, the steel bar storage rack 1 comprises a bottom plate 12, a plurality of seat plates 13 are fixedly and vertically arranged on the bottom plate 12 in an inclined manner, the seat plates 13 are arranged in parallel, a steel bar placing table 131 is arranged on the side edges of the seat plates 13, a steel bar beam 8 can be placed in the steel bar placing table 131, a pushing table 132 is arranged at the top of the seat plates 13, a sliding plate 14 is arranged on the side edges of the seat plates 13 in a bonding sliding manner, a lifting table 141 is arranged on the side edges of the sliding plate 14, when the sliding plate 14 slides from bottom to top, the lifting table 141 can lift the steel bar beam 8 in the steel bar placing table 131 into the pushing table 132, a shifting block assembly 161 is arranged above the pushing table 132, and the shifting block assembly 161 can push the steel bar beam 8 in the pushing table 132 to a position to be welded. Preferably, the seat plate 13 is fixedly connected with a pushing baffle 162 matched with the pushing table 132 in shape, and the pushing baffle 162 and the pushing table 132 form a pushing groove, so that the contact area of the steel bar beam 8 to be pushed is increased, and the steel bar beam 8 is prevented from falling.

Specifically, as shown in fig. 13 to 20, the slide plate 14 includes an initial position and a lifting position, and the slide plate 14 is repeatedly movable between the initial position and the lifting position to lift the reinforcing bar cross beams 8 in the reinforcing bar placing table 131 into the pushing table 132 one by one. The reinforcement bar placing table 131 of this embodiment includes a placing surface 1311 and a stop surface 1312 which are connected, the jacking table 141 includes a bearing surface 1411 and a stop surface 1412 which are connected, the pushing table 132 includes a rolling surface 1321 and a stop surface 1323 which are connected, when the sliding plate 14 is in the initial position, the bearing surface 1411 is parallel to the placing surface 1311 and located below the placing surface 1311, the stop surface 1412 is parallel to the stop surface 1312 and located in front of the stop surface 1312, and when the sliding plate 14 is moved from the initial position to the lifting position, the bearing surface 1411 lifts the reinforcement bar beam 8 in the reinforcement bar placing table 131 upward, and it is noted that the distance between the stop surface 1412 and the stop surface 1312 is greater than the radius of the reinforcement bar beam 8 and less than 1.5 times the radius of the reinforcement bar beam 8, so that the jacking table 141 lifts only one reinforcement bar beam 8 at a time. When the slide plate 14 is in the lifting position, the bearing surface 1411 is parallel to the rolling surface 1321 and above the rolling surface 1321, and when the slide plate 14 moves from the lifting position to the initial position, that is, when the slide plate 14 moves downward, the bar beam 8 on the bearing surface 1411 falls onto the stop surface 1323 and rolls toward the rolling surface 1321 until it collides with the rolling surface 1321, thereby completing the lifting of the bar beam 8.

Preferably, the number of the reinforcement placing tables 131 in this embodiment is plural, the reinforcement placing tables are uniformly distributed on the side edges of the seat plate 13, the reinforcement storage grooves 133 are provided at the positions below the side edges of the seat plate 13, the reinforcement storage grooves 133 can store plural reinforcement beams 8, the sliding plates 14 are provided with plural jacking tables 141, the jacking tables 141 are in one-to-one correspondence with the reinforcement placing tables 131 and the reinforcement storage grooves 133, when the sliding plates 14 repeatedly move between the initial positions and the lifting positions, the reinforcement beams 8 in the reinforcement storage grooves 133 can be lifted up one by one into the reinforcement placing tables 131 above, the reinforcement beams 8 in each reinforcement placing table 131 are lifted up step by step, and the reinforcement beams 8 in the uppermost reinforcement placing table 131 are lifted up into the pushing tables 132 at the top. By providing the plurality of reinforcement placement tables 131, the distance that the slide plate 14 repeatedly moves can be reduced, and the reliability of lifting of the reinforcement beam 8 can be improved, and the probability of dropping of the reinforcement beam 8 in the lifting process can be reduced.

The steel bar storage groove 133 is V-shaped, the steel bar storage groove 133 includes a first storage surface 1331, a bottom surface 1332 and a second storage surface, when the sliding plate 14 is at the initial position, the bearing surface 1411 of the lowest jacking platform 141 is parallel to the bottom surface 1332 and below the bottom surface 1332, the limiting surface 1412 is parallel to the first storage surface 1331 and in front of the first storage surface 1331, preferably, the length of the bottom surface 1332 is equal to the diameter of the steel bar beam 8, so that only one steel bar beam 8 can be accommodated on the bottom surface 1332, and the distance between the limiting surface 1412 and the first storage surface 1331 is greater than the radius of the steel bar beam 8 and less than 1.5 times the radius of the steel bar beam 8, so that the jacking platform 141 lifts only one steel bar beam 8 at a time. It should be noted that, when the sliding plate 14 is at the initial position, the limiting surface 1412 of the jack-up table 141 adjacent to the lowest jack-up table 141 is parallel to the first storage surface 1331 and is located behind the first storage surface 1331, so as to avoid affecting the lifting of the reinforcing bar beam 8.

When the slide plate 14 is in the lifting position, the bearing surface 1411 of the lowermost jacking table 141 is parallel to the placement surface 1311 of the lowermost reinforcement placement table 131 and is located above the placement surface 1311, and when the slide plate 14 is moved from the lifting position to the initial position, i.e., when the slide plate 14 moves downward, the reinforcement beam 8 on the bearing surface 1411 falls onto the placement surface 1311 and rolls toward the stopper surface 1312 until it collides with the stopper surface 1312, thereby completing the lifting of the reinforcement beam 8.

It should be noted that, when the sliding plate 14 moves downward, the limiting surface 1412 of the lowest lifting platform 141 is parallel to the first storage surface 1331 and is located in front of the first storage surface 1331, so that the reinforcing bar beam 8 in the reinforcing bar storage groove 133 can roll onto the bottom plate 12 only when the sliding plate 14 returns to the initial position. Similarly, since the stop surface 1312 of the reinforcement bar placement table 131 of each stage is parallel to the stop surface 1412 of the jack-up table 141 of the corresponding stage, and the stop surface 1412 is located in front of the stop surface 1312, the reinforcement bar beam 8 on the placement surface 1311 of the reinforcement bar placement table 131 can roll to a position abutting against the stop surface 1312 only when the slide plate 14 returns to the initial position.

All the sliding plates 14 of the present embodiment are connected to the driving assembly 17, the driving assembly 17 can drive the sliding plates 14 to move up and down repeatedly, the driving assembly 17 includes a lifting cylinder 171, the lifting cylinder 171 is fixed on the bottom plate 12 or the seat plate 13, the lifting cylinder 171 is connected to a lifting rod 172, the lifting rod 172 is fixedly connected to each sliding plate 14, and the sliding plates 14 can move repeatedly between the initial position and the lifting position through the extension and contraction of the lifting cylinder 171. Preferably, the sliding plate 14 is provided with a travel limit groove 142, the seat plate 13 is provided with a travel limit post 134, and the travel limit post 134 is inserted into the travel limit groove 142. When the sliding plate 14 is at the initial position, the stroke limit post 134 is located at the lower position of the stroke limit groove 142, and when the sliding plate 14 is at the lifting position, the stroke limit post 134 is located at the upper position of the stroke limit groove 142, and by arranging the stroke limit groove 142, the position accuracy of repeated movement of the sliding plate 14 can be improved, so that the accuracy and reliability of lifting the steel bar cross beam 8 are improved. It should be noted that, in order to reduce the resistance of the travel limit post 134 moving in the travel limit groove 142, a bearing is sleeved outside the travel limit post 134.

The pushing frame 18 is arranged above the seat plate 13, the pushing frame 18 is provided with a pushing component 181, the pushing component 181 is connected with the shifting block component 161, and the pushing component 181 can drive the shifting block component 161 to reciprocate so as to push out the reinforcing steel bar beam 8 in the pushing table 132 to a welding position. The pushing component 181 of this embodiment includes a pushing cylinder, where the pushing cylinder is connected to the dial block component 161, and drives the dial block component 161 to reciprocate by the pushing cylinder, where the pushing cylinder may be a rodless cylinder.

As shown in fig. 15, the dial assembly 161 includes a dial support 1611 and a dial plate 1612, the dial support 1611 is connected with the pushing cylinder, one end of the dial support 1611 away from the pushing cylinder extends toward the pushing table 132, the dial plate 1612 is fixedly disposed at one end of the dial support 1611 away from the pushing cylinder and perpendicular to the moving direction of the dial support 1611, and the area of the dial plate 1612 is larger than the cross-sectional area of the steel bar beam 8, so as to improve the reliability of pushing the steel bar beam 8.

As shown in fig. 12, the reinforcement storage rack 1 of the present embodiment further includes two side baffles 19, where the side baffles 19 are symmetrically disposed on two sides of the seat plate 13 near the edge of the bottom plate 12, and the side baffles 19 can prevent the reinforcement beam 8 from falling off from the seat plate 13 or the sliding plate 14. Preferably, the part of the side baffle 19 corresponding to the steel bar storage groove 133 is trapezoid with the lower part narrow and the upper part wide, so as to limit the steel bars in the steel bar storage groove 133 and prevent the steel bar cross beam 8 in the steel bar storage groove 133 from falling out when lifting and turning. The side baffle 19 and the reinforcing steel bar placing table 131 are identical in shape and the side edge surface of the side baffle 19 is arranged in front of the side edge surface of the seat plate 13, so that the limiting effect is achieved, and meanwhile, the area and the weight of the side baffle 19 are reduced.

The three seat boards 13 in this embodiment are uniformly arranged on the bottom board 12 at intervals, and the corresponding three sliding boards 14 are also arranged on the side of the seat board 13 in a lamination and sliding manner. The drive assembly 17 is arranged on the seat plate 13 in the intermediate position. Preferably, in order to reduce the weight of the whole device, the seat plate 13 is provided with a hollowed-out hole.

In order to cooperate with two sets of beam support members 27 on the welding platform 2, the two rebar storage racks 1 of this embodiment are respectively connected to the fixed stage 111 and the movable stage 112, and the rebar storage racks 1 disposed on the movable stage 112 are movable relative to the movable stage 112 so that the two rebar storage racks 1 can be respectively aligned with the two beam support members 27.

The invention also discloses a truss group production process, comprising the following steps of:

the second snatchs the truss group that the subassembly was accomplished with welding on the welding platform and snatchs, places storage area storage, and when the second snatches the subassembly and remove to welding platform top, first snatches the subassembly and remove to turnover frame top to dodge the second and snatch the subassembly, and wait to snatch a plurality of trusses of the same height that stack on the turnover frame next time.

The automatic truss group welding equipment is ingenious in structural design, a plurality of trusses on the turnover frame are simultaneously grabbed by the grabbing component and placed on the welding platform, the steel bar storage rack is used for automatically providing the used steel bar cross beams for welding the trusses on the welding platform, the clamping and positioning component, the truss supporting component and the cross beam supporting component on the welding platform are matched, so that a plurality of groups of trusses and the steel bar cross beams are positioned accurately, the trusses and the steel bar cross beams are welded by the pushing-down and pressing-up welding component, the welding quality is stable and reliable, and the welded truss group can be placed on a finished product placing rack for storage by the grabbing component, so that the production efficiency of the truss group is greatly improved.

It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiments of the present invention.

Claims

1. An automatic welding equipment for a truss group, characterized in that it includes a welding platform, a turnover frame is provided on one side of the welding platform, and multiple groups of trusses can be stacked on the turnover frame, and a steel bar storage rack is provided on the other side of the welding platform, and the steel bar storage rack is used to store steel bar beams used for welding the truss group; a movable first grabbing assembly, a second grabbing assembly and a welding assembly are provided above the welding platform, the first grabbing assembly can grab multiple trusses of the same height stacked on the turnover frame at the same time and place them on the welding platform, the steel bar storage rack can insert the steel bar beam into the interior of multiple trusses on the welding platform, the welding assembly can weld the steel bar beam and multiple trusses together to form a truss group, and the second grabbing assembly can grab the welded truss group and place it in the storage area for storage.

2. The truss group automatic welding equipment as described in claim 1 is characterized in that the turnover frame includes a base, and a plurality of columns are symmetrically arranged at both ends in the length direction above the base, and a placement space is formed between two adjacent columns. A support frame matching the shape of the truss is arranged at the bottom of the placement space, and the support frame can support the truss. Multiple groups of trusses can be stacked in the placement space respectively, so that multiple trusses can be evenly distributed on the same horizontal plane, waiting to be grasped by the first grasping assembly.

3. The automatic welding equipment for trusses as described in claim 1 is characterized in that there are clamping and positioning components above the welding platform, and the clamping and positioning components are two groups, and the two groups of clamping and positioning components are symmetrically arranged above the welding frame to clamp and fix multiple groups of trusses on the welding frame.

4. The automatic welding equipment for truss groups as described in claim 1 is characterized in that a beam supporting assembly is arranged above the welding platform, the beam supporting assembly includes a plurality of rollers, a V-shaped groove is arranged on the surface of the rollers, the V-shaped grooves on the surfaces of the plurality of rollers are in the same straight line, the steel bar storage rack can push the steel bar beam into the V-shaped groove on the surface of the roller, and the plurality of rollers jointly support the steel bar beam.

5. The automatic welding equipment for the truss group as described in claim 1 is characterized in that the first grabbing assembly, the second grabbing assembly and the welding assembly are movably arranged on the main frame, the main frame includes a main frame, the main frame is arranged above the welding platform and the steel bar storage rack, and main legs are extended downwardly around the main frame, and the main legs are fixedly connected to the ground, so that the main frame cover is arranged above the welding platform, the turnover frame and the steel bar storage rack.

6. The automatic welding equipment for the truss group as described in claim 5 is characterized in that a first movable frame and a second movable frame are arranged in the main frame, the first movable frame and the second movable frame can move left and right in the main frame, the first grabbing assembly and the welding assembly are arranged on the first movable frame, the first grabbing assembly and the welding assembly can move forward and backward on the first movable frame, and the second grabbing assembly is arranged on the second movable frame, and the second grabbing assembly can move forward and backward on the second movable frame.

7. The automatic welding equipment for truss groups as described in claim 5 is characterized in that the welding assembly includes an upper welding assembly and a lower welding assembly, the upper welding assembly is arranged on the main frame and can move up and down relative to the main frame, the lower welding assembly is arranged on the welding platform and can move up and down relative to the welding platform, the upper welding assembly and the lower welding assembly can simultaneously contact the truss and the steel beam and complete the welding.

8. The automatic welding equipment for the truss group as described in claim 6 is characterized in that the first grabbing assembly includes a clamping claw seat, a plurality of clamping claw assemblies are evenly distributed on the front and rear sides of the clamping claw seat, a clamping claw slide is connected to a clamping claw slide, the clamping claw slide is slidably arranged on the first movable frame, and the clamping claw slide can move up and down relative to the clamping claw slide to drive the clamping claw seat and the clamping claw assembly to move up and down.

9. The automatic welding equipment for the truss group as described in claim 1 is characterized in that the steel bar storage rack includes a bottom plate, a plurality of seat plates are fixedly and vertically inclined on the bottom plate, the plurality of seat plates are arranged in parallel, a steel bar placing platform is arranged on the side edges of the seat plates, and a steel bar beam can be placed in the steel bar placing platform; a pushing platform is arranged on the top of the seat plate, a sliding plate is slidingly arranged on the side of the seat plate, a lifting platform is arranged on the side edge of the sliding plate, and when the sliding plate slides from bottom to top, the lifting platform can lift the steel bar beam in the steel bar placing platform into the pushing platform, and a shifting block assembly is arranged above the pushing platform, and the shifting block assembly can push the steel bar beam in the pushing platform onto the welding platform.

10. A truss assembly production process, characterized in that it comprises the truss assembly automatic welding equipment according to any one of claims 1 to 9, comprising the following steps:

The first grabbing assembly grabs a plurality of trusses of the same height stacked on the turnover frame, and then places them on the welding platform and fixes them;

The rebar storage rack inserts the rebar beams into the upper interior of multiple trusses on the welding platform;

The welding assembly clamps and welds the steel beams to a plurality of trusses to form a truss group;

The second grabbing assembly grabs the truss group that has been welded on the welding platform and places it in the storage area for storage. When the second grabbing assembly moves above the welding platform, the first grabbing assembly moves above the turnover rack to avoid the second grabbing assembly and wait for the next grabbing.