Bracket prefabricated part welding device for supporting

Abstract

The utility model discloses a bracket prefabricated part welding device for supporting, which comprises a bottom plate, a working table for processing is erected on one side of the top of the bottom plate, clamping tools for clamping and fixing workpieces are arranged at two ends of the top of the working table, and a welding assembly for welding is arranged on one side of the working table on the top of the bottom plate; the outer wall of the connector is fixedly connected with a protective cover used for protection during welding of the welding gun, one side of the protective cover is slidably connected with a measuring rod used for penetrating through a welding seam, and a measuring assembly used for measuring the depth of the welding seam is installed at the bottom of the measuring rod. An adjusting assembly used for adjusting the output power of the welding gun is fixedly connected to the top of the inner wall of the protective cover, and a conveying assembly used for conveying gas generated in the measuring process is installed on the measuring assembly. And by arranging the measuring assembly, the conveying assembly and the adjusting assembly, the output power of the welding gun can be adjusted, and the situation that the welding effect is affected by too high or too low output power is avoided.

Description

Technical Field

[0001] The utility model relates to welding equipment, in particular to a welding device for supporting bracket prefabricated parts. Background Art

[0002] Welding, also known as fusion, is a manufacturing process and technology that uses heat, high temperature, or high pressure to join metals or other thermoplastic materials such as plastics. Fillers can be added to the weld as needed. It is suitable for welding various metals and alloys. When processing bracket prefabricated parts, welding equipment is required.

[0003] However, when welding prefabricated parts with existing welding equipment, the output power required at the welding gun varies when welding welds of different depths. If the output power is too low, the weld will not be fully penetrated, resulting in a cold weld. If the output power is too high, it can easily cause burn-through and damage. Existing welding equipment does not have a structure to adjust the output power of the welding gun, which in turn affects the welding effect. Therefore, the present invention provides a support bracket prefabricated part welding device to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the present utility model is to provide a bracket prefabricated component welding device for supporting, so as to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A supporting bracket prefabricated part welding device comprises a base plate, a workbench for processing is set up on one side of the top of the base plate, and clamping tooling for clamping and fixing the workpiece is installed at both ends of the top of the workbench, and a welding assembly for welding is installed on the top of the base plate on one side of the workbench, the welding assembly comprises a control seat fixedly connected to the top of the base plate for control, a mechanical arm installed on the top of the control seat for position adjustment and a connecting port installed at the tail end of the mechanical arm for connection, a welding gun for welding is installed at the tail end of the connecting port; a protective cover for protecting the welding gun during welding is fixedly connected to the outer wall of the connecting port, a measuring rod for passing through the weld is slidably connected to one side of the protective cover, and a measuring assembly for measuring the depth of the weld is installed at the bottom of the measuring rod; an adjusting assembly for adjusting the output power at the welding gun is fixedly connected to the top of the inner wall of the protective cover, a conveying assembly for conveying gas generated during the measurement process is installed at the measuring assembly, and an amplifying assembly for enhancing the air pressure is installed at the adjusting assembly, and the conveying assembly is connected to the adjusting assembly through the amplifying assembly.

[0007] As a further solution of the present utility model, the measuring assembly includes a rotating rod, a measuring disc and a measuring column. Both ends of the bottom of the outer wall of the measuring rod are rotatably connected with rotating rods. The rotating rod is fixedly connected to the outer wall of the rotating rod. The measuring disc is fixedly connected to the middle position of the outer wall of the measuring rod. The measuring columns are linearly arranged and fixedly connected to the top outer wall of the rotating rod. A third piston plate is slidably connected to the inner wall of the rotating rod. A third connecting rod is fixedly connected to the axis position of the top end of the third piston plate. The top end of the third connecting rod is fixedly connected with a measuring ball for bearing pressure.

[0008] As a further solution of the present utility model, the conveying assembly includes a second air pipe, a communication cavity, a third air pipe and a fourth air pipe. The fourth air pipe is installed at the middle position of the inner wall of the rotating rod. A fifth air pipe is installed in the inner wall of the measuring column. Both ends of the fifth air pipe are respectively communicated with the top of the third piston plate and the inner wall of the fourth air pipe. The second air pipe, the communication cavity and the third air pipe are fixedly connected to the inner wall of the measuring rod from top to bottom. The communication cavity is communicated with the fourth air pipe through the third air pipe. Both ends of the second air pipe are respectively communicated with the communication cavity and the inner wall of the adjustment box.

[0009] As a further solution of the present utility model, a through limiting chute is opened at the middle position of the inner wall of the measuring rod. A fixed rod is slidably connected to the inner wall of the limiting chute. A second connecting rod is fixedly connected to the bottom of the outer wall of the fixed rod. The bottom end of the second connecting rod is fixedly connected with a gear bar. A transmission shaft is rotatably connected to the inner wall of the measuring rod. An active gear and a transmission gear are respectively fixedly connected to both ends of the transmission shaft. A driven gear is fixedly connected to the outer wall of the rotating rod. The gear bar meshes with the outer wall of the transmission gear. The active gear meshes with the outer wall of the driven gear.

[0010] As a further solution of the present utility model, a second piston plate is slidably connected to the inner wall of the fixed rod. A first connecting rod is fixedly connected to one end of the second piston plate. An extrusion bead is fixedly connected to the axis position of the other end of the first connecting rod. Plug rods are slidably connected to both ends of the fixed rod. A bearing bead is fixedly connected to the axis position of the plug rod. The bearing bead is in contact with the extrusion bead. Slots adapted to the plug rods are opened at both ends of the limiting chute.

[0011] As a further solution of the present utility model, the adjustment assembly includes a sixth air pipe and a water storage pipe. The sixth air pipe is fixedly connected to the bottom position of the inner wall of the adjustment box. The top end of the second air pipe is communicated with the inner wall of the sixth air pipe. The water storage pipe is fixedly connected to the top of the sixth air pipe and is communicated with the sixth air pipe. A fourth piston plate is slidably connected to the inner wall of the water storage pipe.

[0012] As a further solution of the present utility model, the adjustment assembly further includes a receiving cavity, a positive electrode and a negative electrode. The receiving cavity is installed at the top position of the inner wall of the adjustment box. The positive electrode and the negative electrode are respectively installed at both ends of the receiving cavity. The water storage pipe is communicated with the inner wall of the receiving cavity. The positive electrode and the negative electrode are electrically connected to the circuit on the welding torch through wires.

[0013] As a further solution of the utility model, the amplification component includes an annular pipe, which is fixedly connected to the middle position of the outer wall of the sixth air pipe. The annular pipe is of an annular structure and is internally provided with an acceleration chamber. An air inlet communicating with the outside is provided on one side of the acceleration chamber, and a plurality of air inlet grooves arranged in a circumferential manner and communicating with the inner wall of the acceleration chamber are provided in the sixth air pipe.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. When the utility model is in use, through the arranged measuring component, conveying component and adjusting component, the weld seam of the workpiece welding can be measured, and the electrolyte solution in the accommodating cavity can be adjusted by squeezing the fourth piston plate through the conveying of gas, so as to adjust the resistance at the access of the welding torch, and then adjust the output power at the welding torch, avoiding the influence of too high or too low output power on the welding effect.

[0016] 2. When the utility model is in use, through the arranged amplification component, the external gas can be inhaled into the sixth air pipe, improving the stress of squeezing the fourth piston plate, and then avoiding the influence of too low gas pressure on the accuracy of adjusting the output power at the welding torch due to the inability to drive the fourth piston plate to push. Description of the Drawings

[0017] Figure 1 It is a schematic structural diagram of a welding device for a bracket prefabricated part for support.

[0018] Figure 2 It is a schematic structural diagram of the protective cover in a welding device for a bracket prefabricated part for support.

[0019] Figure 3 It is a sectional view of the protective cover in a welding device for a bracket prefabricated part for support.

[0020] Figure 4 It is a sectional view of the fixed rod in a welding device for a bracket prefabricated part for support.

[0021] Figure 5 It is a welding device for a bracket prefabricated part for support Figure 4 Enlarged view of part A.

[0022] Figure 6 It is a sectional view of the measuring rod in a welding device for a bracket prefabricated part for support.

[0023] Figure 7 It is a detailed view of the rotating rod in a welding device for a bracket prefabricated part for support.

[0024] Figure 8 It is a welding device for a bracket prefabricated part for support Figure 7 Enlarged view of part B.

[0025] Figure 9 Cross-sectional view at the transfer rod of a welding device for a bracket prefabricated part for support.

[0026] Figure 10 In a welding device for a bracket prefabricated part for support Figure 9 Enlarged view of part C.

[0027] Figure 11 Cross-sectional view at the adjustment box of a welding device for a bracket prefabricated part for support.

[0028] Figure 12 In a welding device for a bracket prefabricated part for support Figure 11 Enlarged view of part D.

[0029] In the figure: 100, base plate; 101, workbench; 110, clamping tooling; 120, control seat; 121, robotic arm; 122, connection port; 123, welding torch;

[0030] 200, protective cover;

[0031] 300, fixed rod; 310, fixed seat; 311, first piston plate; 312, connecting column; 313, ball; 320, first air pipe; 330, second piston plate; 331, first connecting rod; 332, extrusion bead; 333, bearing bead; 334, insertion rod; 335, mounting plate; 336, first spring; 340, second connecting rod; 341, rack;

[0032] 400, measuring rod; 401, connecting plate; 402, second spring; 410, second air pipe; 411, communication cavity; 412, third air pipe; 413, fourth air pipe; 420, limit sliding groove; 421, slot; 430, transfer rod; 431, rotating rod; 432, driven gear; 433, driving gear; 434, transmission shaft; 435, transmission gear; 440, measuring disk; 450, measuring column; 451, third piston plate; 452, third connecting rod; 453, measuring ball; 454, third spring; 455, exhaust hole; 456, fifth air pipe;

[0033] 500, adjustment box; 510, sixth air pipe; 511, annular pipe; 512, air inlet groove; 513, acceleration cavity; 514, air inlet hole; 520, water storage pipe; 521, fourth piston plate; 522, communicating water pipe; 530, accommodation cavity; 531, positive electrode; 532, negative electrode; 533, erection plate. Detailed implementation mode

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0035] Please refer to Figure 1 , in the embodiment of the present utility model, a welding device for a bracket prefabrication for support includes a bottom plate 100. On one side of the top of the bottom plate 100, a workbench 101 for processing is erected. At both ends of the top of the workbench 101, clamping tools 110 for clamping and fixing workpieces are installed. On one side of the workbench 101 on the top of the bottom plate 100, a welding assembly is installed. The welding assembly includes a control seat 120 fixedly connected to the top of the bottom plate 100 for control, a robotic arm 121 installed on the top of the control seat 120 for position adjustment, and a connection port 122 installed at the end of the robotic arm 121 for connection. At the end of the connection port 122, a welding torch 123 for welding is installed. A threaded hole is formed in the inner wall of the connection port 122, and the welding torch 123 is threadedly connected to the inner wall of the threaded hole. When welding is required, two workpieces to be welded are respectively placed between the two clamping tools 110 for clamping and fixing, and the robotic arm 121 is controlled by the control seat 120 to move the connection port 122 and the welding torch 123 to the weld, and the welding torch 123 is started through an electrical signal, and the welding torch 123 can weld the weld.

[0036] Refer to Figure 2 and Figure 3 , a protective cover 200 for protecting the welding torch 123 during welding is fixedly connected to the outer wall of the connection port 122. A measuring rod 400 for passing through the weld is slidably connected to one side of the protective cover 200. A connecting plate 401 is fixedly connected to the inner wall of one side of the protective cover 200. A through first sliding hole is formed in the connecting plate 401, and the measuring rod 400 is slidably connected to the inner wall of the first sliding hole. A retaining plate for preventing detachment is installed at the top of the measuring rod 400. A second spring 402 is fixedly connected to the opposite wall surfaces of the retaining plate and the connecting plate 401. The second spring 402 is sleeved on the outer wall of the measuring rod 400. The bottom end of the measuring rod 400 is spherical. When the measuring rod 400 moves to the weld, the measuring rod 400 can be driven by the elastic force of the second spring 402 to pass through the weld and enter the inner wall of the weld. A measuring assembly for measuring the depth of the weld is installed at the bottom of the measuring rod 400. By passing the measuring rod 400 through the weld, the depth of the weld is measured by the measuring assembly contacting both ends of the weld.

[0037] At the top of the inner wall of the protective cover 200, there is a fixed connection with an adjustment component for adjusting the output power at the welding torch 123. At the measurement component, there is an installation of a conveying component for conveying the gas generated during the measurement process. And at the adjustment component, there is an installation of an amplification component for enhancing the air pressure. The conveying component is connected to the adjustment component through the amplification component. The gas generated by the measurement component during the measurement process is conveyed through the conveying component, and the stress of the gas is amplified by the amplification component and then used to adjust the adjustment component. The resistance value connected in the circuit of the welding torch 123 is adjusted through the adjustment component, and then the current changes under the rated voltage to adjust the output power. Thus, the conveying power can be adjusted according to the weld seams of different depths to improve the welding effect.

[0038] Refer to Figure 6 、 Figure 9 and Figure 10 For measurement, the measurement component includes a rotating rod 430, a measurement disc 440, and a measurement column 450. At both ends of the bottom of the outer wall of the measurement rod 400, there are rotatably connected rotating rods 431. The rotating rod 430 is fixedly connected to the outer wall of the rotating rod 431. The measurement disc 440 is fixedly connected to the middle position of the outer wall of the measurement rod 400. The measurement columns 450 are linearly arranged and fixedly connected to the top outer wall of the rotating rod 430. A third piston plate 451 is slidably connected to the inner wall of the rotating rod 430. Inert gas is filled at the top of the third piston plate 451. At the axis position of the top end of the third piston plate 451, there is a fixedly connected third connecting rod 452. The third connecting rod 452 passes through the inner wall of the measurement column 450 and is slidably connected to the inner wall of the measurement column 450. The top end of the third connecting rod 452 is fixedly connected with a measurement ball 453 for bearing pressure. And at the bottom of the outer wall of the measurement column 450, there are a plurality of exhaust holes 455 arranged in a circular pattern. The gas at the bottom is discharged through the exhaust holes 455 to maintain the gas balance at the bottom of the third piston plate 451. A third spring 454 is fixedly connected to the opposite wall surfaces of the third piston plate 451 and the measurement column 450. When measurement is required, the measurement rod 400 drives the rotating rod 430 to pass through the weld seam and move to the bottom position of the workpiece and unfold by rotating through the rotating rod 431. At this time, the measurement disc 440 moves to the top position of the workpiece along with the measurement rod 400. The third piston plate 451 can drive the third piston plate 451 to move upward under the elastic force of the third spring 454, and drive the third connecting rod 452 to slide in the measurement column 450, and the measurement ball 453 is abutted against the bottom position of the workpiece. Thus, the depth of the weld seam can be measured through the distance between the measurement disc 440 and the measurement ball 453.

[0039] The conveying assembly includes a second air pipe 410, a communication cavity 411, a third air pipe 412, and a fourth air pipe 413. The fourth air pipe 413 is installed at the middle position of the inner wall of the rotating rod 430. A fifth air pipe 456 is installed on the inner wall of the measuring column 450. Both ends of the fifth air pipe 456 are respectively connected and communicated with the top of the third piston plate 451 and the inner wall of the fourth air pipe 413. The second air pipe 410, the communication cavity 411, and the third air pipe 412 are fixedly connected to the inner wall of the measuring rod 400 from top to bottom. The second air pipe 410 is made of an elastic material. The communication cavity 411 is connected and communicated with the fourth air pipe 413 through the third air pipe 412. Both ends of the second air pipe 410 are respectively connected and communicated with the communication cavity 411 and the inner wall of the adjustment box 500. When the third piston plate 451 moves upward, the gas can be conveyed to the inner wall of the fourth air pipe 413 through the fifth air pipe 456 by squeezing the internal inert gas, and the gas can be conveyed to the inner wall of the adjustment box 500 through the third air pipe 412, the communication cavity 411, and the second air pipe 410 in sequence.

[0040] Refer to Figure 6 , Figure 7 and Figure 8 A through limiting chute 420 is provided at the middle position of the inner wall of the measuring rod 400. A fixing rod 300 is slidably connected to the inner wall of the limiting chute 420. A second connecting rod 340 is fixedly connected to the bottom of the outer wall of the fixing rod 300. A gear rack 341 is fixedly connected to the bottom end of the second connecting rod 340. A second sliding hole is provided at the bottom of the measuring rod 400 where the limiting chute 420 is located. The second connecting rod 340 and the gear rack 341 are slidably connected to the inner wall of the second sliding hole. A rotating groove is provided at the bottom of the inner wall of the measuring rod 400. A transmission shaft 434 is rotatably connected to the inner wall of the rotating groove of the measuring rod 400. An active gear 433 and a transmission gear 435 are respectively fixedly connected to both ends of the transmission shaft 434. The active gear 433 and the transmission gear 435 are rotatably connected to the inner wall of the rotating groove. A driven gear 432 is fixedly connected to the outer wall of the rotating rod 431. The driven gears 432 are distributed at both ends of the active gear 433. The gear rack 341 meshes with the outer wall of the transmission gear 435. The gear rack 341 is located on one side of the transmission gear 435. The active gear 433 meshes with the outer wall of the driven gear 432. When the measuring rod 400 moves downward, the fixing rod 300 can slide in the limiting chute 420 at this time, and then a relative movement is generated between the fixing rod 300 and the measuring rod 400. The second connecting rod 340 can drive the transmission gear 435 meshing with it to rotate through the movement of the gear rack 341. The transmission gear 435 drives the active gear 433 to rotate through the transmission shaft 434. The rotation of the active gear 433 can drive the driven gear 432 meshing with it to rotate, and the driven gear 432 can drive the rotating rod 430 to rotate and unfold.

[0041] Refer to Figure 4 and Figure 5, a second piston plate 330 is slidably connected to the inner wall of the fixed rod 300. Limit discs for limiting the movement of the second piston plate 330 are installed at both ends of the fixed rod 300. One end of the second piston plate 330 is fixedly connected to a first connecting rod 331. At the axial position of the other end of the first connecting rod 331, an extrusion bead 332 is fixedly connected. Through third sliding holes are opened at both ends of the fixed rod 300. A plug rod 334 is slidably connected to the inner wall of the third sliding hole. At the axial position of the plug rod 334, a bearing bead 333 is fixedly connected. The bearing bead 333 is in contact with the extrusion bead 332. Installation plates 335 are fixedly connected to both ends of the fixed rod 300. The plug rod 334 is slidably connected to the inner wall of the installation plate 335. A first spring 336 is fixedly connected to the opposite wall surfaces of the bearing bead 333 and the installation plate 335. The first spring 336 is sleeved on the outer wall of the plug rod 334. Slots 421 adapted to the plug rod 334 are opened at both ends of the limit sliding groove 420. When the fixed rod 300 is at the bottom end of the limit sliding groove 420, at this time, the extrusion bead 332 on the first connecting rod 331 at the second piston plate 330 squeezes the bearing bead 333. When the bearing bead 333 is squeezed, it can drive the plug rod 334 to move and insert into the slot 421 for fixation, thereby limiting the measuring rod 400. When the second piston plate 330 moves, the extrusion bead 332 at the first connecting rod 331 can move out of the bearing bead 333. At this time, under the elastic force of the first spring 336, the plug rod 334 is driven to slide out of the slot 421 to release the limit on the measuring rod 400.

[0042] More specifically, refer to Figure 4 , a fixing groove is opened at the bottom of the side of the protective cover 200 close to the measuring rod 400. A fixing seat 310 is fixedly connected to the inner wall of the fixing groove. A first piston plate 311 is slidably connected to the inner wall of the fixing seat 310. The bottom end of the first piston plate 311 is fixedly connected to a connecting column 312. A rotating groove is opened at the bottom end of the connecting column 312. A ball 313 is rotatably connected to the inner wall of the rotating groove. Specifically, a first air pipe 320 is communicated between the fixing seat 310 and the fixed rod 300. Specifically, when the protective cover 200 moves to the top of the workpiece, at this time, the top of the workpiece can squeeze the ball 313, and then drive the first piston plate 311 to move upward through the connecting column 312. Then, the gas at the first piston plate 311 is conveyed into the fixed rod 300 through the first air pipe 320 to squeeze the second piston plate 330.

[0043] Refer to Figure 11, the adjustment assembly includes a sixth air pipe 510 and a water storage pipe 520. The sixth air pipe 510 is fixedly connected to the bottom position of the inner wall of the adjustment box 500. The top end of the second air pipe 410 is communicated with the inner wall of the sixth air pipe 510. The water storage pipe 520 is fixedly connected to the top of the sixth air pipe 510 and is communicated with the sixth air pipe 510. A fourth piston plate 521 is slidably connected to the inner wall of the water storage pipe 520. An electrolyte solution is filled at the top end of the fourth piston plate 521. When the gas passes through the second air pipe 410, the gas can be transported to the inner wall of the water storage pipe 520 through the sixth air pipe 510 to squeeze the fourth piston plate 521. When the fourth piston plate 521 is squeezed, the internal electrolyte solution can be squeezed and moved upward.

[0044] The adjustment assembly further includes a receiving cavity 530, a positive electrode 531 and a negative electrode 532. The receiving cavity 530 is installed at the top position of the inner wall of the adjustment box 500. A mounting plate 533 is fixedly connected to the inner wall of the top of the adjustment box 500. A through fixing hole is formed in the mounting plate 533. The positive electrode 531 is fixedly connected to the inner wall of the fixing hole. The positive electrode 531 and the negative electrode 532 are respectively installed at both ends of the receiving cavity 530. The positive electrode 531 and the negative electrode 532 are connected through the receiving cavity 530 to form a complete circuit. A connecting water pipe 522 is installed at the top end of the water storage pipe 520. The water storage pipe 520 is communicated with the inner wall of the receiving cavity 530 through the connecting water pipe 522. The positive electrode 531 and the negative electrode 532 are connected to the circuit on the welding torch 123 through wires. When the electrolyte solution moves upward, at this time, the electrolyte solution can be transported to the inner wall of the receiving cavity 530 through the connecting water pipe 522 to adjust the amount of the electrolyte solution in the receiving cavity 530, and then adjust the resistance between the positive electrode 531 and the negative electrode 532, so as to adjust the current at the welding torch 123 and adjust the output power.

[0045] Refer to Figure 12 , the amplification assembly includes an annular pipe 511. The sixth air pipe 510 includes a contraction section, a throat and an expansion section. The diameter at the throat is smaller than that at both ends. The annular pipe 511 is fixedly connected to the middle position of the outer wall of the sixth air pipe 510. The annular pipe 511 is of an annular structure and an acceleration cavity 513 is formed inside. An air inlet hole 514 communicating with the outside is formed on one side of the acceleration cavity 513. A plurality of air inlet grooves 512 arranged in a circular pattern and communicated with the inner wall of the acceleration cavity 513 are formed in the sixth air pipe 510. When the gas enters the sixth air pipe 510, the air pressure can be reduced at the throat according to the Bernoulli effect, and the air pressure is reduced at this place through the communication between the air inlet groove 512 and the acceleration cavity 513. Then, the external gas is sucked into the acceleration cavity 513 through the air inlet hole 514, and after being accelerated by the acceleration cavity 513, it passes through the air inlet groove 512 and enters the inner wall of the sixth air pipe 510. According to the Coanda effect, the stress of squeezing the fourth piston plate 521 is further increased, so as to avoid the situation that the fourth piston plate 521 cannot be squeezed and moved when the air pressure change is too small, which affects the accuracy of power adjustment.

[0046] The working principle of the present utility model is as follows: When welding is required, the two workpieces to be welded are placed at the two clamping toolings 110 for clamping and fixing, and the manipulator 121 is controlled by the control seat 120 to drive the connection port 122 and the welding torch 123 to move to the weld for welding. At this time, the protective cover 200 shields the welding torch 123 for protection;

[0047] When the protective cover 200 moves on the workpiece, the connection column 312 and the first piston plate 311 can be driven to move upward by the extrusion of the ball 313 by the top of the workpiece, and the gas is transported through the first air pipe 320 into the fixed rod 300 to extrude the second piston plate 330. When the second piston plate 330 is extruded and moves, it can move out of the pressure-bearing ball 333 through the first connecting rod 331 and the extrusion bead 332. Under the elastic force of the first spring 336, the insertion rod 334 is driven to move out of the slot 421 to release the limit on the measuring rod 400. At this time, under the elastic force of the second spring 402, the measuring rod 400 is driven to move downward and pass through the weld. A relative movement is generated between the fixed rod 300 and the measuring rod 400, and then the second connecting rod 340 and the gear bar 341 are driven to move, driving the transmission gear 435 to rotate. The transmission gear 435 drives the driven gear 432 meshing with it to rotate through the transmission shaft 434 and the driving gear 433, and then the rotating rod 431 is driven to drive the rotating bar 430 to rotate and unfold;

[0048] When the rotating bar 430 rotates and unfolds, the third piston plate 451 can be driven to move upward by the elastic force of the third spring 454, and then the measuring ball 453 is driven to move to the bottom of the workpiece through the third connecting rod 452. At this time, the measuring disk 440 contacts the top of the workpiece, and then the depth of the weld is measured by the distance between the measuring ball 453 and the measuring disk 440;

[0049] When the third piston plate 451 moves upward, the gas can be transported through the fifth air pipe 456 into the fourth air pipe 413, and then through the third air pipe 412, the communication cavity 411 and the second air pipe 410 into the sixth air pipe 510. The gas is inhaled from the annular pipe 511, pushing the fourth piston plate 521 in the water storage pipe 520 to move upward. The fourth piston plate 521 can transport the electrolyte solution through the communication water pipe 522 into the accommodation cavity 530 to adjust the electrolyte solution in the accommodation cavity 530, so as to adjust the output power of the welding torch 123 and improve the welding effect.

[0050] When the present utility model is in use, through the arranged measuring component, conveying component and adjusting component, the weld of the workpiece welding can be measured, and the electrolyte solution in the accommodation cavity 530 can be adjusted by the extrusion of the fourth piston plate 521 through the transportation of gas, and then the resistance connected to the welding torch 123 is adjusted, so as to adjust the output power of the welding torch 123, avoiding the influence of too high or too low output power on the welding effect.

[0051] Through the provided magnification component, the stress of squeezing the fourth piston plate 521 can be increased by sucking external gas into the sixth trachea 510, thereby avoiding the situation that the gas pressure is too low to drive the fourth piston plate 521 to push, which affects the accuracy of adjusting the output power at the welding torch 123.

[0052] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent replacements or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A welding device for a bracket prefabrication for support, comprising a bottom plate (100), characterized in that, On one side of the top of the bottom plate (100), a workbench (101) for processing is erected. At both ends of the top of the workbench (101), clamping tools (110) for clamping and fixing workpieces are installed. On one side of the workbench (101) at the top of the bottom plate (100), a welding assembly for welding is installed. The welding assembly includes a control seat (120) fixedly connected to the top of the bottom plate (100) for control, a robotic arm (121) installed on the top of the control seat (120) for position adjustment, and a connection port (122) installed at the end of the robotic arm (121) for connection. A welding torch (123) for welding is installed at the end of the connection port (122); A protective cover (200) for protecting the welding torch (123) during welding is fixedly connected to the outer wall of the connection port (122). A measuring rod (400) for passing through the weld seam is slidably connected to one side of the protective cover (200). A measuring assembly for measuring the depth of the weld seam is installed at the bottom of the measuring rod (400); At the top of the inner wall of the protective cover (200), an adjustment assembly for adjusting the output power at the welding torch (123) is fixedly connected. A conveying assembly for conveying the gas generated during the measurement is installed at the measuring assembly, and an amplification assembly for enhancing the air pressure is installed at the adjustment assembly. The conveying assembly is connected to the adjustment assembly through the amplification assembly.

2. The welding device for a bracket prefabrication for support according to claim 1, characterized in that, The measuring assembly includes a rotating rod (430), a measuring disc (440), and a measuring column (450). Rotating rods (�31) are rotatably connected to both ends of the bottom of the outer wall of the measuring rod (400). The rotating rod (430) is fixedly connected to the outer wall of the rotating rod (431). The measuring disc (440) is fixedly connected to the middle position of the outer wall of the measuring rod (400). The measuring columns (450) are linearly arranged and fixedly connected to the top outer wall of the rotating rod (430). A third piston plate (451) is slidably connected to the inner wall of the rotating rod (430). A third connecting rod (452) is fixedly connected to the top axis position of the third piston plate (451). A measuring ball (453) for bearing pressure is fixedly connected to the top of the third connecting rod (452).

3. A welding device for a bracket prefabricated part for support according to claim 2, characterized in that, The conveying assembly includes a second air pipe (410), a communication cavity (411), a third air pipe (412), and a fourth air pipe (413). The fourth air pipe (413) is installed at the middle position of the inner wall of the rotating rod (430). A fifth air pipe (456) is installed on the inner wall of the measuring column (450). Both ends of the fifth air pipe (456) are respectively connected to the top of the third piston plate (451) and the inner wall of the fourth air pipe (413). The second air pipe (410), the communication cavity (411), and the third air pipe (412) are fixedly connected to the inner wall of the measuring rod (400) from top to bottom. The communication cavity (411) is connected to the fourth air pipe (413) through the third air pipe (412). Both ends of the second air pipe (410) are respectively connected to the communication cavity (411) and the inner wall of the adjustment box (500).

4. A welding device for a bracket prefabricated part for support according to claim 2, characterized in that, A limiting chute (420) penetrating through is provided at the middle position of the inner wall of the measuring rod (400). A fixing rod (300) is slidably connected to the inner wall of the limiting chute (420). A second connecting rod (340) is fixedly connected to the bottom of the outer wall of the fixing rod (300). A gear rack (341) is fixedly connected to the bottom end of the second connecting rod (340). A transmission shaft (434) is rotatably connected to the inner wall of the measuring rod (400). A driving gear (433) and a transmission gear (435) are respectively fixedly connected to both ends of the transmission shaft (434). A driven gear (432) is fixedly connected to the outer wall of the rotating rod (431). The gear rack (341) is engaged with the outer wall of the transmission gear (435), and the driving gear (433) is engaged with the outer wall of the driven gear (432).

5. A welding device for a bracket prefabrication for support according to claim 4, characterized in that, A second piston plate (330) is slidably connected to the inner wall of the fixing rod (300). A first connecting rod (331) is fixedly connected to one end of the second piston plate (330). An extrusion bead (332) is fixedly connected to the axis position of the other end of the first connecting rod (331). Plug rods (334) are slidably connected to both ends of the fixing rod (300). A bearing bead (333) is fixedly connected to the axis position of the plug rod (334). The bearing bead (333) is in contact with the extrusion bead (332). Slots (421) adapted to the plug rods (334) are provided at both ends of the limiting chute (420).

6. A welding device for a bracket prefabrication for support according to claim 3, characterized in that, The adjusting assembly includes a sixth air pipe (510) and a water storage pipe (520). The sixth air pipe (510) is fixedly connected to the bottom position of the inner wall of the adjusting box (500). The top end of the second air pipe (410) is communicated with the inner wall of the sixth air pipe (510). The water storage pipe (520) is fixedly connected to the top of the sixth air pipe (510) and is communicated with the sixth air pipe (510). A fourth piston plate (521) is slidably connected to the inner wall of the water storage pipe (520).

7. A welding device for a bracket prefabricated part for support according to claim 6, characterized in that, The adjusting assembly further includes a receiving cavity (530), a positive electrode (531) and a negative electrode (532). The receiving cavity (530) is installed at the top position of the inner wall of the adjusting box (500). The positive electrode (531) and the negative electrode (532) are respectively installed at both ends of the receiving cavity (530). The water storage pipe (520) is communicated with the inner wall of the receiving cavity (530). The positive electrode (531) and the negative electrode (532) are connected to the circuit on the welding torch (123) through wires.

8. A welding device for a bracket prefabricated part for support according to claim 6, characterized in that, The amplifying assembly includes an annular pipe (511). The annular pipe (511) is fixedly connected to the middle position of the outer wall of the sixth air pipe (510). The annular pipe (511) is of an annular structure and an acceleration cavity (513) is provided inside. An air inlet hole (514) communicating with the outside is provided on one side of the acceleration cavity (513). A plurality of air inlet grooves (512) arranged in a circular pattern and communicating with the inner wall of the acceleration cavity (513) are provided in the sixth air pipe (510).

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