Automatic welding equipment for lugs on two sides of square tube

Abstract

The utility model belongs to the technical field of welding equipment, and discloses automatic welding equipment for lugs on the two sides of a square tube. The storage assembly corresponds to the square tube; the storage assembly comprises a plurality of storage pipes used for storing ear plates, and the storage pipes are symmetrically arranged on the two sides of the square pipe. The feeding assembly is arranged on the workbench and located below the storage pipe. The feeding assembly comprises a feeding telescopic rod arranged on the workbench, and the feeding telescopic rod is in transmission connection with a feeding plate located below the storage pipe. The welding assembly comprises a plurality of adjusting pieces arranged on the workbench, and welding guns used for welding the lugs to the square tubes are movably arranged on the adjusting pieces. The automatic lug welding device is simple in structure, convenient to use, capable of automatically welding lugs to the side walls of the square tubes, high in automation degree and low in manpower consumption, the quality problem caused by manual welding is reduced, the welding quality is improved, the welding speed is increased, the potential safety hazards of welding are reduced, and the welding cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to welding equipment technical field especially relates to a square tube both sides ear automatic welding equipment. BACKGROUND

[0002] In the metal processing industry, square tubes are widely used in construction, machinery manufacturing, automobile manufacturing and other fields as important structural materials. The welding of ears on both sides of the square tube, which are additional vertical or inclined metal sheets, is a common processing requirement for connecting or fixing other components.

[0003] At present, the most common welding method on the market is manual welding with a welding gun. This operation method has the following shortcomings:

[0004] Low efficiency: manual operation is affected by individual skill level and fatigue level, making it difficult to achieve rapid and continuous production rhythm;

[0005] Unstable quality: the welding quality depends on the experience and judgment of the operator, and defects such as uneven welding, pores and cracks may occur. Manual welding may also result in insufficient positioning accuracy of the ears on the square tube;

[0006] Safety hazards: during manual welding, the operator needs to be close to the high-temperature welding gun and flying sparks, which poses a risk of burns, fires and other safety risks, affecting the personal safety of the construction personnel;

[0007] High cost: as labor costs rise, the cost of manual welding is also increasing, affecting the competitiveness of the enterprise.

[0008] Therefore, it is an urgent problem in the industry to develop a square tube both sides ear automatic welding equipment that can automatically, efficiently and stably complete the welding. INVENTION CONTENTS

[0009] To solve the above technical problems, the utility model provides a square tube both sides ear automatic welding equipment.

[0010] To achieve the above purpose, the utility model provides a square tube both sides ear automatic welding equipment, which comprises:

[0011] A positioning assembly is arranged on the workbench and used for positioning and fixing the square tube to be welded;

[0012] A storage assembly is arranged on the workbench and corresponds to the square tube; the storage assembly comprises a plurality of storage tubes for storing ear plates, and the plurality of storage tubes are symmetrically arranged on both sides of the square tube;

[0013] The feeding assembly is arranged on the workbench and below the storage tube; the feeding assembly comprises a feeding telescopic rod arranged on the workbench, and the feeding telescopic rod is in transmission connection with a feeding plate below the storage tube;

[0014] The welding assembly comprises a plurality of adjusting members arranged on the workbench, and a welding gun for welding the ear to the square tube is movably arranged on the adjusting member.

[0015] Preferably, a plurality of feeding platforms corresponding to the storage tube are arranged on the workbench, the feeding telescopic rod is fixedly arranged on the feeding platform, and the feeding plate is in sliding connection with the feeding platform.

[0016] Preferably, the storage tube is detachably connected to the workbench, and the distance between the storage tube and the square tube is adjusted.

[0017] Preferably, the top end and the bottom end of the storage tube are open, the bottom end of the storage tube is in clearance with the upper end surface of the feeding platform, and the clearance between the bottom end of the storage tube and the feeding platform is adjustable.

[0018] Preferably, the clearance height between the bottom end of the storage tube and the feeding platform is greater than the thickness of the ear and less than twice the thickness of the ear.

[0019] Preferably, the positioning assembly comprises a first positioning head and a second positioning head correspondingly arranged on the workbench, the first positioning head is fixedly connected to the workbench, the second positioning head is movably connected to the workbench, and the first positioning head and the second positioning head are respectively in abutment with two sides of the square tube.

[0020] Preferably, the positioning assembly comprises a plurality of positioning racks arranged in lifting mode on the workbench, the positioning racks are arranged at equal intervals between the first positioning head and the second positioning head, and the square tube is arranged on the positioning racks.

[0021] Preferably, the positioning assembly comprises a pressing telescopic rod arranged on the workbench, and a pressing rod for pressing the square tube is arranged at the top end of the pressing telescopic rod.

[0022] Preferably, the adjusting member comprises a first welding plate arranged in inclined mode on the workbench, and a second welding plate for mounting a welding gun is arranged in sliding mode on the first welding plate.

[0023] Preferably, a welding telescopic rod is arranged on the first welding plate, and the output end of the welding telescopic rod is in transmission connection with the second welding plate.

[0024] Compared with the prior art, the utility model has the advantages and technical effects that: the utility model discloses a square tube both sides ear automatic welding equipment, the positioning assembly of setting on the work table can fix the square tube on the work table, and the subsequent accurate positioning and welding are convenient, the storage component is used for storing the ear, and the ear of a plurality of early discharging is stored in the storage pipe and falls independently on the work table, and the feeding telescopic rod of the feeding assembly pushes the ear falling from the storage pipe to the square tube and is positioned through the feeding plate one by one, then the ear is welded on the square tube through the welding torch, realizes the automatic positioning and welding of the ear on the square tube, improves the efficiency of welding, reduces the artificial work load of the welding machine, improves the safety of welding, also reduces the welding quality problem caused by manual positioning and welding, reduces the cost of welding, the adjusting piece sets up on the work table, can adjust the welding position of corresponding welding torch, and then is used for welding the square tube of different specifications, or welding the ear at the different position of the square tube, improves the applicability of the device.

[0025] The utility model discloses simple structure, convenient to use, can automatically weld the ear to the lateral wall of square pipe, the automation degree is high, and the manpower consumption is little, reduces the quality problem caused by manual welding, improves the welding quality and welding speed, reduces the security risk of welding, reduces the welding cost. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated herein for explanation by reference. The present application is illustrated by and not limited to the accompanying figures in which:

[0027] Figure 1 It is the utility model square tube both sides ear automatic welding equipment axial view;

[0028] Figure 2 It is the utility model square tube both sides ear automatic welding equipment plan view;

[0029] Figure 3 It is the utility model square tube both sides ear automatic welding equipment front view;

[0030] Figure 4 It is the utility model square tube that welds the schematic diagram of forming;

[0031] In the drawing: 1, work table;2, square tube;3, ear;4, storage pipe;5, feeding telescopic rod;6, feeding plate;7, adjusting piece;8, welding torch;9, feeding platform;10, first positioning head;11, second positioning head;12, positioning frame;13, compression telescopic rod;14, presser bar;15, first welding plate;16, second welding plate;17, welding telescopic rod;18, control module;19, top hydraulic cylinder. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of the present application.

[0033] The application adopts PLC and corresponding detection sensors and execution elements to realize automation, wherein the PLC (Programmable Logic Controller) is one of the core devices for realizing industrial automation control. The PLC realizes automation control of industrial equipment through programming and is widely applied in manufacturing, process control, building automation and other fields. The following are the basic steps and key elements of PLC realizing automation control:

[0034] 1. Determine control requirements

[0035] Firstly, the specific requirements of the automation control system need to be determined, including the equipment to be controlled, the process flow, the type of input and output signals (such as digital quantity, analog quantity), control logic, etc.

[0036] 2. Select PLC model

[0037] According to the control requirements, select the appropriate PLC model. The selection of PLC should consider the following factors:

[0038] Input and output points: select the appropriate number of points according to the I / O requirements of the system.

[0039] Processing speed: select the appropriate processor speed according to the complexity of the control logic and the real-time requirements.

[0040] Communication capability: consider whether communication with the host computer, other PLCs or other devices is required.

[0041] Expansion capability: consider whether the I / O points or functional modules need to be increased in the future.

[0042] Environmental adaptability: consider the working environment of the PLC (such as temperature, humidity, electromagnetic interference, etc.).

[0043] 3. Design the control system

[0044] 3.1 Input and output design

[0045] Input signals: such as buttons, sensors, switches, etc.

[0046] Output signals: such as relays, indicator lights, motor starters, etc.

[0047] 3.2 Ladder Diagram Programming

[0048] There are multiple programming languages for PLCs, with Ladder Diagram (LD) being the most commonly used. Ladder Diagram uses symbols and logic similar to relays to represent control logic.

[0049] 3.3 Function Block Design

[0050] For complex control systems, control logic can be broken down into multiple function blocks, each implementing a specific control function.

[0051] 4. Hardware Connection

[0052] According to the design, physically connect the PLC with input and output devices (such as sensors, actuators). This includes wiring, configuring I / O modules, etc.

[0053] 5. Programming and Debugging

[0054] 5.1 Programming

[0055] Use PLC programming software (such as Siemens Step7, Mitsubishi GXDeveloper, etc.) to write ladder diagram programs or other control logic.

[0056] 5.2 Simulation Testing

[0057] Test the program in a simulation environment to ensure that the logic is correct.

[0058] 5.3 On-site Debugging

[0059] Download the program to the PLC and debug it on the actual equipment. During debugging, the program may need to be modified to solve problems encountered during actual operation.

[0060] 6. System Integration and Testing

[0061] Integrate the PLC control system with other automation systems (such as SCADA systems, MES systems) for overall testing to ensure stable system operation.

[0062] 7. Maintenance and Optimization

[0063] PLC control systems need regular maintenance and optimization during operation, including:

[0064] Troubleshooting: Timely handle system failures to ensure normal production.

[0065] Program optimization: Optimize control logic based on running data and feedback to improve system efficiency.

[0066] Hardware maintenance: Regularly check the status of PLC and its peripherals, and perform necessary repairs or replacements.

[0067] 8. Training and documentation

[0068] Provide necessary training for operators and maintenance personnel to ensure they are familiar with the operation and maintenance methods of the PLC control system. At the same time, establish a complete documentation system to record system configuration, program, fault handling scheme, etc.

[0069] Through the above steps, PLC can efficiently realize automatic control, improve production efficiency, reduce labor cost, and improve product quality.

[0070] The existing patent No. CN202021487948.1 discloses a welding auxiliary device for square tube machining, which includes a base, a same gantry frame is welded on the top of the base, a same first workbench is fixedly connected on the inner walls of the two sides of the gantry frame, two vertical plates are fixedly connected on the top of the first workbench, mounting holes are formed on one side of each vertical plate, outer rings of two first bearings are fixedly connected in the two mounting holes, inner rings of the two first bearings are fixedly connected with rotating drums, two first screw rods are threadedly connected in the sixteen first threaded holes, large gears are fixedly connected on the ends of the two rotating drums away from each other, one end of each support rod is fixedly connected on the inner walls of the two sides of the gantry frame, small gears are rotatably connected on the other ends of the two support rods, the two large gears are engaged with the corresponding small gears, the two small gears are located on the front sides of the corresponding large gears, sliding grooves are formed on the inner walls of the two sides of the gantry frame, a same horizontal plate is slidingly connected in the two sliding grooves, two top ends of two racks are fixedly connected on the bottom of the horizontal plate, the two racks are located on the front side of the first workbench, one end of each fixing rod is fixedly connected on one side of the two racks away from each other, the other ends of the two fixing rods are slidingly connected in the corresponding sliding grooves, two second screw rods are threadedly connected in two second threaded holes formed on the bottom of the first workbench, the top ends of the two second screw rods extend above the first workbench, a same second workbench is rotatably connected on the top ends of the two second screw rods, two dust outlets are formed on the bottom of the first workbench, the two dust outlets are located on the two sides of the second workbench, two bottoms of two baffles are fixedly connected on the top of the first workbench, the top and bottom of a same hopper are open.

[0071] The bottom of the storage box is movably connected on the top of the base, a collecting opening is formed on the top of the storage box, and the collecting opening movably communicates with the bottom of the hopper, so that the storage box can be taken out for timely cleaning.

[0072] The bottom sides of the funnel and the top sides of the storage box are fixedly connected with two magnets on the same side, which are attracted to each other, so as to fix the communication of the funnel and the storage box.

[0073] The top of the gantry is provided with two third threaded holes, and a third screw is threadedly connected in each of the third threaded holes.

[0074] The two sides of the gantry are provided with pipe inlets, and the central axes of the two pipe inlets, the two rotating cylinders and the two gears coincide, so that the square tubes can be conveniently fed into the rotating cylinders.

[0075] One end of each of the sixteen first screws located in the corresponding rotating cylinder is rotatably connected with an extrusion plate through a bearing, so as to extrude the front, back, top and bottom of the square tube and fix the square tube.

[0076] In use, the two square tubes are extended from the two pipe inlets to the outside of the two rotating cylinders and placed on the second workbench, and the two square tubes are fixed on the same horizontal plane by the fixation of the two first screws on the top, bottom, front and back of the rotating cylinder, and the second workbench is lifted and lowered by the two second screws, so as to resist the welding position of the two square tubes during welding, avoid the deflection during welding, and ensure the welding quality. At the same time, the remaining iron filings during welding are collected into the storage box through the dust outlet on both sides of the second workbench and the isolation of the two partitions, thereby avoiding manual collection; after welding one side, the two third screws are rotated simultaneously to drive the downward movement of the cross plate and the two racks fixed thereon, and the two racks are guided by the two sliding grooves to make the mechanism more stable, the downward movement of the two racks drives the rotation of the two pinions, and the meshing of the two pinions and the corresponding gears drives the rotation of the two gears, thereby driving the rotation of the rotating cylinders fixed in the two gears, and driving the rotation of the square tubes fixed in the two rotating cylinders. In this way, the two square tubes can be simultaneously rotated to the side to be welded, saving the running back and forth of the welder and improving the work efficiency.

[0077] Patent No. CN201911406423.2 discloses an automatic hoop ear welding machine, which comprises a workbench, a vibrating disc, a straight vibration, a controller and a welding machine installed on the workbench, the vibrating disc is connected with the straight vibration, and the straight vibration can deliver the hoop ear to the working end of the welding machine; the welding machine comprises a feeding mechanism, a pressing mechanism and a welding gun, the pressing mechanism is installed above the feeding mechanism, the pressing mechanism can press the hoop ear delivered by the feeding mechanism, and the welding gun cooperates with the pressing mechanism to weld the hoop ear.

[0078] The feeding mechanism includes a base plate and a pushing cylinder, a feeding block and a positioning block installed on the base plate. The feeding block is set at the piston end of the pushing cylinder, and the positioning block is set in front of the feeding block. The feeding block and the positioning block cooperate to position the hoop ear.

[0079] A product return prevention device is provided between the piston end of the push cylinder and the feeding block.

[0080] A stripping hole is provided on a bottom plate on one side of the positioning block, and a stripping slide is installed on the welding machine below the stripping hole.

[0081] The pressing mechanism includes a height adjustment plate, a pressing cylinder and a pressing plate. The pressing cylinder is installed on the height adjustment plate and can adjust the upper and lower heights on the height adjustment plate. The pressing plate is set at the piston end of the pressing cylinder.

[0082] A welding gun adjusting device is installed on the pressing plate, and a welding gun is installed on the welding gun adjusting device.

[0083] Working process: Employees pour the hoop ears into the vibration plate, which arranges the hoop ears neatly. The feeding robot then sends the hoop ears into the mold and positions them. The welding gun automatically presses down to weld, and the material is automatically removed after welding is completed, achieving the effect of fully automatic welding.

[0084] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0085] Reference Figures 1-4 As shown, this embodiment provides an automatic welding device for ears on both sides of a square tube, comprising:

[0086] A positioning assembly is provided on the workbench 1 and is used to position and fix the square tube 2 to be welded;

[0087] The material storage assembly is arranged on the workbench 1 and corresponds to the square tube 2; the material storage assembly includes a plurality of storage tubes 4 for storing the ear plates 3, and the plurality of storage tubes 4 are symmetrically arranged on both sides of the square tube 2;

[0088] The loading assembly is arranged on the workbench 1 and is located below the storage tube 4; the loading assembly includes a loading telescopic rod 5 arranged on the workbench 1, and the loading telescopic rod 5 is transmission-connected to the loading plate 6 located below the storage tube 4;

[0089] The welding assembly includes a plurality of adjusting members 7 arranged on the workbench 1 , and a welding gun 8 for welding the ear 3 to the square tube 2 is movably provided on the adjusting member 7 .

[0090] The utility model discloses a kind of automatic welding equipment of square tube two sides ear, positioning assembly set on workbench 1 can be fixed with square tube 2 on workbench 1, facilitate subsequent accurate positioning and welding;Storage component is used to store ear 3, and the ear 3 of several blanking in advance is stored in storage tube 4, and independently falls on workbench 1, and the feeding telescopic rod 5 of feeding component is pushed down the ear 3 from storage tube 4 to square tube 2 and is positioned by feeding plate 6 one by one, then by welding torch 8, ear 3 is welded on square tube 2, realize the automatic positioning and welding of ear 3 on square tube 2, improve the efficiency of welding, reduce the artificial workload of welding machine, improve the safety of welding, also reduce the welding quality problem caused by artificial positioning and welding, reduce the cost of welding;Adjusting piece 7 is set on workbench 1, and the welding position of corresponding welding torch 8 is adjusted, and then used for welding different specifications of square tube 2, or ear 3 is welded at different positions of square tube 2, improve the applicability of device.The utility model structure is simple, convenient to use, can be automated and welded to the side wall of ear 3 of square tube 2, degree of automation is high, manpower consumption is little, reduce the quality problem caused by artificial welding, improve the welding quality and welding speed, reduce the security risk of welding, reduce the welding cost.

[0091] In an embodiment of the present application, the desktop of the workbench 1 is further provided with a control module 18 for controlling the automatic operation of the device to realize the automation of positioning and welding.

[0092] In an embodiment of the present application, the control module 18 is a PCL with programming function, which can program the entire production process according to production needs, and then control the entire welding process to automatically proceed according to the set program.

[0093] Further optimization scheme, workbench 1 is provided with a plurality of feeding platforms 9 corresponding to the upper and lower storage tubes 4, and the feeding telescopic rod 5 is fixedly installed on the feeding platform 9, and the feeding plate 6 is slidably connected to the feeding platform 9. The feeding platform 9 is liftable and lowerable on the workbench 1, and the ear 3 in the storage tube 4 falls on the feeding platform 9 one by one, and the corresponding position of the ear 3 and the square tube 2 is controlled by the lifting of the feeding platform 9 to realize accurate positioning and improve the adaptability to the welding requirements.

[0094] Further optimization scheme, the storage tube 4 is detachably connected to the workbench 1, and the distance between the storage tube 4 and the square tube 2 is adjusted. The storage tube 4 is detachably connected to the workbench 1, and the adaptability is improved by replacing the ear 3 of different specifications for welding; and the storage tube 4 can be translated on the plane where the workbench 1 is located, and then the positional relationship between the storage tube 4 and the square tube 2 is adjusted, so as to facilitate positioning the ear 3 at different positions of the square tube 2.

[0095] Further optimization scheme, the top end and the bottom end of the storage tube 4 are open, the bottom end of the storage tube 4 is arranged in a gap with the upper end surface of the feeding platform 9, and the gap between the bottom end of the storage tube 4 and the feeding platform 9 is adjustable. The gap between the bottom end of the storage tube 4 and the feeding platform 9 is adjustable, so that the welding of the ear 3 with different thicknesses can be adapted, and the adaptability of the welding is further improved; when welding, the feeding telescopic rod 5 is shortened, the feeding plate 6 is separated from the bottom end of the storage tube 4, the ear 3 automatically slides down under the neutral action, falls on the feeding plate 6, and then the feeding telescopic rod 5 is elongated, the ear 3 is pushed by the feeding plate 6, the ear 3 moves to the square tube 2, and is positioned at the corresponding position of the side wall of the square tube 2, so that the automatic feeding and positioning of the ear 3 are realized.

[0096] Further optimization scheme, the gap height between the bottom end of the storage tube 4 and the feeding platform 9 is greater than the thickness of the ear 3 and less than twice the thickness of the ear 3. The gap between the storage tube 4 and the feeding plate 6 is greater than the thickness of the ear 3 but less than twice the thickness of the ear 3, so that the ear 3 can fall in sequence, the feeding plate 6 can drive the ear 3 at the lower end to move, and the ear 3 at the previous layer is limited by the bottom end of the storage tube 4, so that multiple ears 3 are avoided, and single feeding of the ear 3 with different thicknesses can be realized.

[0097] In an embodiment of the present application, the top end of the storage tube 4 can be communicated with the device for automatically discharging and transferring the ear 3, and automatic feeding can be realized.

[0098] In another embodiment of the present application, the storage tube 4 can be adjusted in size to adapt to different ears 3, and the adaptability of the device is improved.

[0099] Further optimization scheme, the positioning assembly includes a first positioning head 10 and a second positioning head 11 arranged correspondingly on the workbench 1, the first positioning head 10 is fixedly connected to the workbench 1, and the second positioning head 11 is movably connected to the workbench 1. The first positioning head 10 and the second positioning head 11 abut on the two sides of the square tube 2 respectively. The first positioning head 10 is fixed on the workbench 1, and the second positioning head 11 slides on the workbench 1 under the driving of the jacking hydraulic cylinder 14, so as to realize clamping of the two ends of the square tube 2; at the same time, one is fixed and the other is movable, which is more convenient for positioning, and can realize clamping and loosening of the square tube 2.

[0100] A further optimized solution is that the positioning assembly includes a plurality of positioning frames 12 that are lifted and arranged on the workbench 1. The plurality of positioning frames 12 are arranged at equal intervals between the first positioning head 10 and the second positioning head 11, and the square tube 2 is mounted on the positioning frames 12. The plurality of positioning frames 12 are lifted and arranged on the workbench 1, and the square tube 2 is mounted between the plurality of positioning frames 12, which facilitates the fixation of the square tube 2; at the same time, the lifting and lowering of the positioning frames 12 can drive the square tube 2 to rise and fall, and realize the height adjustment of the square tube 2, which is convenient for work and can also easily realize the raising of the square tube 2, facilitating the loading of unwelded square tubes 2 and the transfer of square tubes 2 after welding.

[0101] A further optimized solution is that the positioning assembly includes a compression telescopic rod 13 provided on the workbench 1, and a compression rod 14 for compressing the square tube 2 is provided at the top of the compression telescopic rod 13 when rotating. The compression telescopic rod 13 can drive the compression rod 14 to rise and fall, and at the same time, the compression rod 14 can rotate at the top of the compression telescopic rod 13, so that the compression rod 14 can be separated from and compressed with the top surface of the square tube 2; when it is necessary to fix the other tube 2, the compression rod 14 rotates to one side of the square tube 2, and at the same time, the compression telescopic rod 13 controls the compression rod 14 to be fixed, and the pressure head at the bottom of the compression rod 14 is used to compress and fix the other tube 2; after welding is completed, when the other tube 2 needs to be transferred, the compression telescopic rod 13 drives the compression rod 14 to rise, and at the same time, the compression rod 14 also rotates to the side away from the square tube 2, releasing the pressure on the other tube 2. At this time, the second fixed head simultaneously releases the clamping of the other tube 2, and a number of positioning frames 12 are raised to assist in transferring the welded square tube 2.

[0102] In a further optimized solution, the adjustment member 7 includes a first welding plate 15 tilted and mounted on the workbench 1. A second welding plate 16 for mounting the welding gun 8 is slidably mounted on the first welding plate 15. A welding telescopic rod 17 is mounted on the first welding plate 15, and the output end of the welding telescopic rod 17 is drivingly connected to the second welding plate 16. The welding telescopic rod 17 is mounted on the first welding plate 15 and can be slid and adjusted with the second welding plate 16 on the first welding plate 15 according to welding requirements. This in turn adjusts the welding position of the welding gun 8, welds the contact point between the ear 3 and the square tube 2, and controls the weld formation. This improves welding quality, reduces the instability of manual welding, and alleviates welding quality issues.

[0103] In one embodiment of the application, the angle of the first welding plate 15 on the workbench 1 is adjustable, thereby controlling the welding angle of the welding gun 8, which is suitable for welding the contact positions of square tubes 2 and ears 3 of different specifications.

[0104] In the description of the utility model, need understanding is, the term "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model, and not indicate or imply that the indicated device or element must have a particular orientation, construct and operate in a particular orientation, therefore can not be understood as limiting the utility model.

[0105] The above-described embodiments are only descriptions of the preferred modes of the utility model, and do not limit the scope of the utility model, and various modifications and improvements to the technical solutions of the utility model made by those skilled in the art without departing from the design spirit of the utility model should fall within the protection scope defined by the claims of the utility model.

Claims

1. A square tube two-side ear automatic welding equipment, characterized in that, The utility model relates to a square tube ear welding device, including: Positioning assembly is set up on the workstation (1), is used for positioning and fixed to the square tube (2) that needs to be welded; Storage assembly is set up on the workstation (1) and is set up with square tube (2) corresponding, the storage assembly includes a plurality of storage pipe (4) for storing ear (3) board, a plurality of storage pipe (4) symmetry is arranged in the two sides of square tube (2), Feeding assembly is set up on the workstation (1) and is located below the storage pipe (4), the feeding assembly includes the feeding telescopic link (5) set up on the workstation (1), the feeding telescopic link (5) is located below the feeding plate (6) transmission connection of storage pipe (4), Welding assembly includes a plurality of adjusting parts (7) set up on the workstation (1), the adjusting part (7) on the movable setting is used for the ear (3) welding on square tube (2) welding torch (8).

2. The square tube two-side ear automatic welding equipment according to claim 1, characterized in that: The workstation (1) is provided with a plurality of feeding platforms (9) corresponding to the storage pipe (4) up and down, the feeding telescopic link (5) is fixedly installed on the feeding platform (9), and the feeding plate (6) is slidably connected to the feeding platform (9).

3. The apparatus according to claim 1, wherein: The storage pipe (4) is detachably connected to the workstation (1), and the spacing between the storage pipe (4) and the square tube (2) is adjusted.

4. The apparatus according to claim 2, wherein: The top end and the bottom end of the storage pipe (4) are open, the bottom end of the storage pipe (4) is gap set with the upper end surface of the feeding platform (9), and the gap between the bottom end of the storage pipe (4) and the feeding platform (9) is adjustable.

5. The apparatus according to claim 4, wherein: The gap height between the bottom end of the storage pipe (4) and the feeding platform (9) is greater than the thickness of the ear (3) and less than twice the thickness of the ear (3).

6. The apparatus according to claim 1, wherein: The positioning assembly includes a first positioning head (10) and a second positioning head (11) corresponding to the workstation (1), the first positioning head (10) is fixedly connected to the workstation (1), the second positioning head (11) is movably connected to the workstation (1), and the first positioning head (10) and the second positioning head (11) abut on the two sides of the square tube (2) respectively.

7. The apparatus according to claim 6, wherein: The positioning assembly includes a plurality of positioning racks (12) arranged on the workstation (1) in a lifting manner, a plurality of positioning racks (12) are arranged at equal intervals between the first positioning head (10) and the second positioning head (11), and the square tube (2) is arranged on the positioning rack (12).

8. The apparatus according to claim 6, wherein: The positioning assembly includes a compression telescopic link (13) arranged on the workstation (1), and the top end of the compression telescopic link (13) is rotatably provided with a compression rod (14) for compressing the square tube (2).

9. The apparatus according to claim 1, wherein: The adjusting part (7) includes a first welding plate (15) obliquely arranged on the workstation (1), and a second welding plate (16) for mounting the welding torch (8) is slidably arranged on the first welding plate (15).

10. The apparatus according to claim 9, wherein: The first welding plate (15) is provided with a welding telescopic link (17), and the output end of the welding telescopic link (17) is in transmission connection with the second welding plate (16).

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