Plasma welding device for steel structure engineering construction

Abstract

The invention relates to the technical field of plasma welding devices, and discloses a plasma welding device for steel structure engineering construction, which comprises a table board assembly, an angle adjusting mechanism is mounted above the table board assembly, a welding gun assembly is mounted on the angle adjusting mechanism, and a welding support table is further movably mounted on the table board assembly. An arc-shaped telescopic bag is connected between the welding supporting tables, the table top assembly comprises a table base, a Y-axis movement mechanism is arranged in the table base and comprises a longitudinal plate, Y-axis sliding rails are symmetrically installed on the two sides of the longitudinal plate, the Y-axis sliding rails are movably sleeved with sliding blocks, a Y-axis motor is fixedly installed at one end of the longitudinal plate, and a Y-axis motor is fixedly installed at the other end of the longitudinal plate. When the arc-shaped telescopic bag deforms, the placing angle of the welding supporting table is adjusted, when the arc-shaped telescopic bag deforms, the angle adjusting mechanism is driven to adjust the welding angle of the welding gun assembly, a dragging and stabilizing mechanism is further arranged below the arc-shaped telescopic bag, the dragging and stabilizing mechanism flexibly supports the bottom of the arc-shaped telescopic bag, and the deformation process of the arc-shaped telescopic bag is more stable.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of plasma welding device, more particularly to a plasma welding device for steel structure engineering construction. BACKGROUND

[0002] Plasma welding is a high-efficiency, high-quality high-end welding technology in steel structure manufacturing, which is particularly suitable for automatic and mechanized welding of medium-thick plate parts, and can greatly improve production efficiency and weld quality.

[0003] Therefore, in the steel structure engineering construction, the steel parts are generally welded by using the plasma welding device, but in the actual welding process, the plasma welding device in the prior art still has the following shortcomings.

[0004] The plasma welding device in the prior art places two steel plates horizontally, fixes them after aligning the welding ends, and then uses a welding gun to weld. When the angle between the two steel plates needs to be changed for welding, different fixtures are used to fix the angle of the two steel plates. This process is relatively cumbersome, thereby reducing the efficiency of the welding work.

[0005] Therefore, in order to solve the above problems, a plasma welding device for steel structure engineering construction is needed. SUMMARY

[0006] In order to overcome the above-mentioned defects of the prior art, the present application provides a plasma welding device for steel structure engineering construction to solve the problems in the background art.

[0007] The present application provides the following technical scheme: a plasma welding device for steel structure engineering construction, comprising a table assembly, an angle adjusting mechanism is installed above the table assembly, a welding gun assembly is installed on the angle adjusting mechanism, a welding support table is movably installed on the table assembly, an arc-shaped expansion bag is connected between the welding support tables, the placement angle of the welding support table is adjusted when the arc-shaped expansion bag deforms, and the welding angle of the welding gun assembly is adjusted when the arc-shaped expansion bag deforms.

[0008] Further, a stable mechanism is further provided below the arc-shaped expansion bag, which flexibly supports the bottom of the arc-shaped expansion bag to make the deformation process more stable.

[0009] Furthermore, the platform assembly includes a base, and the base has a Y-axis motion mechanism inside. The Y-axis motion mechanism includes a longitudinal plate, and Y-axis slide rails are symmetrically installed on both sides of the longitudinal plate. A slider is movably sleeved on the Y-axis slide rail. A Y-axis motor is fixedly installed at one end of the longitudinal plate, and a movable shaft is movably installed at the other end of the longitudinal plate. Pulleys are fixedly sleeved on both the drive shaft of the Y-axis motor and the movable shaft at the other end. A transmission belt is sleeved between the pulleys. A clamping plate is fixedly installed on the belt. A Y-axis drive plate is fixedly installed on the upper end of the clamping plate. The bottom of the Y-axis drive plate is fixedly connected to the slider. A platform is fixedly installed on the upper end of the base, and the Y-axis drive plate is movably sleeved on the platform.

[0010] Furthermore, a crossbeam assembly is installed above the platform assembly, and a vertical assembly is installed at the drive end of the crossbeam assembly. The crossbeam assembly includes a column, which is fixedly installed on both sides of the platform. A crossbeam compartment is fixedly installed at the upper end of the column. An X-axis motion mechanism is provided in the crossbeam compartment. An X-axis drive plate is installed at the drive end of the X-axis motion mechanism. The X-axis drive plate is movably sleeved on the crossbeam compartment. A Z-axis motion mechanism is fixedly installed on the X-axis drive plate. The vertical assembly includes a Z-axis drive plate, which is installed at the drive end of the Z-axis motion mechanism. The structures of the X-axis motion mechanism and the Z-axis motion mechanism are consistent with the structure of the Y-axis motion mechanism.

[0011] Furthermore, the driving end of the vertical component is connected to an angle adjustment mechanism, which includes a curved block. The curved block is fixedly installed at the bottom of the Z-axis drive plate. A curved groove is formed in the curved block, and a curved slider is movably sleeved in the curved groove. A connecting hole is formed at the end of the curved groove, and a curved telescopic tube is provided in the curved groove. One end of the curved telescopic tube is fixedly connected to the curved slider, and the other end of the curved telescopic tube is fixedly sleeved on the connecting hole. A welding gun assembly is externally connected to the curved slider.

[0012] Furthermore, a welding support platform is installed at the drive end of the platform assembly. The welding support platform includes a water platform. The bottom of the water platform is fixedly connected to the Y-axis drive plate. An adjustment platform is symmetrically arranged on the front side of the water platform. Movable grooves are opened on the adjacent upper surfaces of the water platform and the adjustment platform. Connectors are movably installed on the movable grooves. The connectors are movably connected through a rotating shaft. Two clamping strips are fixedly connected between the connectors. The clamping strips are located on both sides of the joint between the water platform and the adjustment platform. Folded plates are fixedly installed on both the water platform and the adjustment platform. A clamping screw is threaded onto each folded plate. A clamping block is movably sleeved at the bottom end of each clamping screw. The clamping block is fixedly connected to the clamping strip on the same side. The bottom limiting surface of the clamping block is flush with the bottom surface of the clamping strip.

[0013] Furthermore, the front and rear walls and side walls of the adjusting platform and the water platform are all threaded with limiting structures. The limiting structures include threaded rods, which are threaded into the outer walls of the water platform and the adjusting platform, respectively. The ends of the threaded rods are movably fitted with contact plates. The bottom of the adjacent surfaces of the water platform and the adjusting platform are provided with triangular grooves. The two telescopic ends of the arc-shaped telescopic bladder are fixedly connected to the inclined surfaces of the bottom triangular grooves of the water platform and the adjusting platform, respectively. Heat-conducting plates are symmetrically installed on both sides of the upper end of the arc-shaped telescopic bladder. When the adjusting platform is placed horizontally, the upper end joint of the heat-conducting plate is aligned with the joint of the water platform and the adjusting platform. The axis of the rotating shaft coincides with the joint of the water platform and the adjusting platform on the same vertical plane. The axis of the rotating shaft coincides with the bottom limiting surface of the pressure block. A sliding plate is installed at the bottom of the adjusting platform. When the adjusting platform is placed horizontally, the sliding plate is in movable contact with the platform.

[0014] Furthermore, the connector consists of a sleeve block and a movable block, which are movably connected by a rotating shaft. The outer ends of the sleeve block and the movable block are respectively movably installed in the movable slots opened in the water platform and the regulating platform, and move up and down in the movable slots.

[0015] Furthermore, a liquid tank assembly is installed on the crossbeam assembly. The liquid tank assembly includes a water tank containing coolant. A pressure pump is installed inside the water tank. The water tank is connected to the curved telescopic pipe via a pipe. The output end of the pressure pump is connected to the arc-shaped telescopic bladder via a pipe. Both the curved telescopic pipe and the arc-shaped telescopic bladder contain coolant.

[0016] Furthermore, the stabilizing mechanism includes a base plate, which is fixedly connected to the Y-axis drive plate. Slide grooves are provided on both sides of the platform, and a moving plate is movably installed in each slide groove. The base plate is fixedly connected to the moving plate. A support airbag is fixedly installed on the upper surface of the base plate. A sealing plate is fixedly installed on the outer side of the support airbag. A heat-conducting pipe is connected between the sealing plate and the side of the heat-conducting plate on the same side of the platform.

[0017] The technical effects and advantages of this invention are as follows:

[0018] This invention includes a welding support platform. When the angle between two steel plates needs to be changed before welding, liquid can be injected into the arc-shaped telescopic bladder to deform it, thereby pushing the adjustment platform to rotate and lift upward around the rotation axis. Since the axis of the rotation axis coincides with the upper end joint of the steel plate, the joint of the steel plate remains in contact and does not interfere or separate when rotating. After the two steel plates reach the required angle, the welding torch assembly is used to weld the joint. The angle between the steel plates can be easily adjusted before welding in this way. The joint is also reinforced by clamping strips on both sides, making the joint contact more stable during welding. During the welding process, high temperature is generated at the weld. The upper end of the heat-conducting plate contacts the bottom of the weld on the steel plate, thereby conducting heat to the weld. The coolant stored in the arc-shaped telescopic bladder is used for heat dissipation, which can accelerate the cooling process of the weld.

[0019] When the angle of the adjustment platform needs to be adjusted, the coolant stored in the water tank can be injected into the arc-shaped expansion bladder through the pipeline using a pressure pump. This causes the arc-shaped expansion bladder to deform and push the adjustment platform to rotate around the rotation axis, thereby changing the angle of the placed steel plate. At the same time, the coolant stored in the curved expansion tube is drawn into the water tank, causing the curved expansion tube to contract. This causes the curved slider to move in the curved groove in the curved block, thereby driving the welding torch assembly to adjust its welding angle. This makes the welding angle more compatible with the angle between the welding torch and the bottom steel plate, thus improving the welding quality.

[0020] The present invention also includes a stabilizing mechanism. In order to make the deformation process of the arc-shaped telescopic bladder in the forward direction more stable, the supporting airbag can provide flexible support for the bottom of the arc-shaped telescopic bladder. At the same time, the heat-conducting plate set above the arc-shaped telescopic bladder can also limit its movement. During the heat conduction process, the heat-conducting plate can transfer some heat to the supporting airbag through the heat-conducting pipe, thereby increasing the gas pressure in the supporting airbag and making its support for the bottom of the arc-shaped telescopic bladder more stable. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the countertop component structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the beam assembly structure of the present invention;

[0024] Figure 4 This is a schematic diagram of the angle adjustment mechanism of the present invention;

[0025] Figure 5 This is a schematic diagram of the welding support platform structure of the present invention;

[0026] Figure 6 This is a schematic diagram of the connector structure of the present invention;

[0027] Figure 7 This is a schematic diagram of the liquid tank assembly structure of the present invention;

[0028] Figure 8 This is a schematic diagram of the stabilizing mechanism of the present invention.

[0029] The attached figures are labeled as follows: 1. Tabletop assembly; 101. Base; 102. Longitudinal plate; 103. Y-axis motor; 104. Transmission belt; 105. Clamping plate; 106. Y-axis drive plate; 107. Tabletop; 2. Angle adjustment mechanism; 201. Curved block; 202. Curved slider; 203. Connecting hole; 204. Curved telescopic tube; 3. Welding torch assembly; 4. Welding support platform; 401. Level platform; 402. Adjustment platform; 403. Connecting component; 404. Rotating shaft ; 405, clamping strip; 406, folding plate; 407, clamping screw; 408, clamping block; 409, heat-conducting plate; 5, arc-shaped telescopic bladder; 6, crossbeam assembly; 601, column; 602, crossbeam compartment; 603, X-axis drive plate; 7, vertical assembly; 701, Z-axis drive plate; 8, liquid tank assembly; 801, water tank; 802, pressure pump; 9, stabilizing mechanism; 901, base plate; 902, supporting airbag; 903, sealing plate; 904, heat-conducting pipe. Detailed Implementation

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The plasma welding device for steel structure engineering construction involved in the present invention is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Reference Figure 1 This invention provides a plasma welding device for steel structure construction, including a table assembly 1, a crossbeam assembly 6 installed above the table assembly 1, a vertical assembly 7 installed at the drive end of the crossbeam assembly 6, an angle adjustment mechanism 2 connected to the drive end of the vertical assembly 7, a welding torch assembly 3 installed on the angle adjustment mechanism 2, a welding support platform 4 installed at the drive end of the table assembly 1, an arc-shaped telescopic bladder 5 connected between the welding support platforms 4, a liquid tank assembly 8 installed on the crossbeam assembly 6, and the liquid tank assembly 8 connected to the angle adjustment mechanism 2 and the arc-shaped telescopic bladder 5 respectively through pipes. A stabilizing mechanism 9 is also provided below the arc-shaped telescopic bladder 5.

[0032] When in use, the two steel plates to be welded are placed on the welding support platform 4, which fixes the steel plates. The platform assembly 1 can drive the welding support platform 4 to move in the Y-axis direction, the crossbeam assembly 6 can drive the vertical assembly 7 to move in the X-axis direction, and the vertical assembly 7 can drive the welding torch assembly 3 to move in the Z-axis direction, thereby achieving the welding effect of the welding torch assembly 3 moving in three directions. The liquid tank assembly 8 can drive the arc-shaped telescopic bladder 5 to deform and change the placement angle of the welding support platform 4 on the steel plate. At the same time, when the arc-shaped telescopic bladder 5 deforms, it will synchronously drive the angle adjustment mechanism 2 to adjust the welding angle of the welding torch assembly 3, so that the welding torch assembly 3 can adapt to the welding process after the angle of the steel plate changes. The stabilizing mechanism 9 can provide support for the arc-shaped telescopic bladder 5, making the deformation process of the arc-shaped telescopic bladder 5 more stable.

[0033] Reference Figure 2 and Figure 3 The table assembly 1 includes a base 101, and a Y-axis motion mechanism is provided inside the base 101. The Y-axis motion mechanism includes a longitudinal plate 102, and Y-axis slide rails are symmetrically installed on both sides of the longitudinal plate 102. A slider is movably sleeved on the Y-axis slide rail. A Y-axis motor 103 is fixedly installed at one end of the longitudinal plate 102, and a movable shaft is movably installed at the other end of the longitudinal plate 102. Pulleys are fixedly sleeved on the drive shaft of the Y-axis motor 103 and the movable shaft at the other end. A transmission belt 104 is sleeved between the pulleys. A clamping plate 105 is fixedly installed on the belt body of the transmission belt 104. A Y-axis drive plate 106 is fixedly installed on the upper end of the clamping plate 105. The bottom of the Y-axis drive plate 106 is fixedly connected to the slider. A table plate 107 is fixedly installed on the upper end of the base 101, and the Y-axis drive plate 106 is movably sleeved on the table plate 107.

[0034] The crossbeam assembly 6 includes a column 601, which is fixedly installed on both sides of the base 101. A crossbeam compartment 602 is fixedly installed on the upper end of the column 601. An X-axis motion mechanism is provided in the crossbeam compartment 602. An X-axis drive plate 603 is installed on the drive end of the X-axis motion mechanism. The X-axis drive plate 603 is movably sleeved on the crossbeam compartment 602. A Z-axis motion mechanism is fixedly installed on the X-axis drive plate 603. A Z-axis drive plate 701 is installed on the drive end of the Z-axis motion mechanism. The structures of the X-axis motion mechanism and the Z-axis motion mechanism are consistent with the structure of the Y-axis motion mechanism.

[0035] When the device is in use, the Y-axis motor 103 can drive the transmission belt 104 to rotate, thereby driving the Y-axis drive plate 106 to move along the Y-axis direction on the platform 107. Similarly, the X-axis drive plate 603 can move along the X-axis direction on the crossbeam bin 602, and the Z-axis drive plate 701 can move along the Z-axis direction. Since the structures of the X-axis motion mechanism and the Z-axis motion mechanism are the same as those of the Y-axis motion mechanism, the specific structures of the X-axis motion mechanism and the Z-axis motion mechanism will not be described in detail.

[0036] Reference Figure 4 The angle adjustment mechanism 2 includes a curved block 201, which is fixedly installed at the bottom of the Z-axis drive plate 701. A curved slide groove is provided in the curved block 201, and a curved slider 202 is movably sleeved in the curved slide groove. A connecting hole 203 is provided at the end of the curved slide groove, and a curved telescopic tube 204 is provided in the curved slide groove. One end of the curved telescopic tube 204 is fixedly connected to the curved slider 202, and the other end of the curved telescopic tube 204 is fixedly sleeved on the connecting hole 203. The curved slider 202 is externally connected to a welding gun assembly 3.

[0037] When the device is in use, when liquid is injected into or extracted from the curved telescopic tube 204, the curved telescopic tube 204 deforms, causing the curved slider 202 to move in the curved groove of the curved block 201, thereby adjusting the welding angle of the welding torch assembly 3.

[0038] Reference Figure 5 and Figure 6 The welding support platform 4 includes a water platform 401. The bottom of the water platform 401 is fixedly connected to the Y-axis drive plate 106. Adjustment platforms 402 are symmetrically arranged on the front side of the water platform 401. Movable grooves are provided on the adjacent upper surfaces of the water platform 401 and the adjustment platforms 402. Connecting parts 403 are movably installed on the movable grooves. The connecting parts 403 are movably connected via rotating shafts 404. Pressure strips 405 are fixedly connected between the connecting parts 403. The number of pressure strips 405 is [number missing]. Two plates, located on either side of the joint between the water platform 401 and the regulating platform 402, are respectively installed on both the water platform 401 and the regulating platform 402. Each plate 406 has a threaded clamping screw 407 threaded onto it. The bottom end of each clamping screw 407 is movably fitted with a clamping block 408. Each clamping block 408 is fixedly connected to a clamping strip 405 on the same side. The bottom limiting surface of the clamping block 408 is flush with the bottom surface of the clamping strip 405. The regulating platform 402 and the water platform 402... Limiting structures are threaded onto the front, rear, and side walls of platform 401. Each limiting structure includes a threaded rod, which is threaded into the outer walls of platform 401 and regulating platform 402. Each threaded rod has a movably fitted contact plate at its end. Triangular grooves are formed at the bottom of the adjacent surfaces of platform 401 and regulating platform 402. The two telescopic ends of the arc-shaped telescopic bladder 5 are fixedly connected to the inclined surfaces of the triangular grooves at the bottom of platform 401 and regulating platform 402, respectively. The upper sides of the arc-shaped telescopic bladder 5... The heat-conducting plate 409 is installed. When the adjustment platform 402 is placed horizontally, the upper end joint of the heat-conducting plate 409 is aligned with the joint of the water platform 401 and the adjustment platform 402. The axis of the rotating shaft 404 coincides with the joint of the water platform 401 and the adjustment platform 402 on the same vertical plane. The axis of the rotating shaft 404 coincides with the bottom limiting surface of the pressure block 408. A sliding plate is installed at the bottom of the adjustment platform 402. When the adjustment platform 402 is placed horizontally, the sliding plate is in contact with the platform 107.

[0039] The connector 403 consists of a socket block and a movable block. The socket block and the movable block are movably connected by a rotating shaft 404. The outer ends of the socket block and the movable block are respectively movably installed in the movable slots opened in the water platform 401 and the regulating platform 402, and move up and down in the movable slots.

[0040] When using the device, two steel plates to be welded are placed on the water platform 401 and the adjustment platform 402 respectively, and the joint of the two steel plates is aligned with the joint of the heat-conducting plate 409. Then, the clamping screws 407 on both sides are rotated synchronously to clamp the two steel plates with the clamping block 408 at the bottom. At this time, the bottom limiting surface of the clamping block 408 coincides with the upper joint of the two steel plates, so that the axis of the rotating shaft 404 coincides with the upper joint of the two steel plates. Then, the limiting structures on the water platform 401 and the adjustment platform 402 are used to limit and fix the steel plates. At this time, the welding gun assembly 3 is driven to move to the joint of the steel plates to perform horizontal welding on the steel plates.

[0041] When it is necessary to change the included angle between two steel plates before welding, liquid can be injected into the arc-shaped telescopic bladder 5 to deform the arc-shaped telescopic bladder 5, thereby pushing the adjustment table 402 to rotate and lift upward around the rotating shaft 404. Since the axis of the rotating shaft 404 coincides with the upper end joint of the steel plate, the joint of the steel plate will always remain in contact and will not interfere or separate when the steel plate rotates. When the two steel plates are at the required angle, the welding gun assembly 3 is used to weld the joint. The included angle of the steel plates can be easily adjusted before welding in the above way, and the joint is reinforced by the clamping strip 405 on both sides, so that the joint is more stable during welding.

[0042] During the welding process, high temperatures are generated at the weld joint. The upper end of the heat-conducting plate 409 contacts the bottom of the weld joint of the steel plate, thereby conducting heat to the weld joint and using the coolant stored in the arc-shaped telescopic bladder 5 to dissipate heat. This method can accelerate the cooling process of the weld joint.

[0043] Reference Figure 7 The liquid tank assembly 8 includes a water tank 801, which stores coolant. A pressure pump 802 is installed inside the water tank 801. The water tank 801 is connected to the curved telescopic tube 204 through a pipe. The output end of the pressure pump 802 is connected to the arc-shaped telescopic bladder 5 through a pipe. Both the curved telescopic tube 204 and the arc-shaped telescopic bladder 5 store coolant.

[0044] When the device is in use, if it is necessary to adjust the angle of the adjusting platform 402, the coolant stored in the water tank 801 can be injected into the arc-shaped telescopic bladder 5 through the pipeline using the pressure pump 802. This causes the arc-shaped telescopic bladder 5 to deform and push the adjusting platform 402 to rotate around the rotating shaft 404, thereby changing the angle of the placed steel plate. At the same time, the coolant stored in the curved telescopic tube 204 will be drawn into the water tank 801, causing the curved telescopic tube 204 to contract. This causes the curved slider 202 to move in the curved groove in the curved block 201, thereby driving the welding torch assembly 3 to adjust its welding angle, so that its welding angle is more compatible with the angle of the bottom steel plate, thus improving the welding quality.

[0045] It should be noted that, in actual use, the internal volume ratio of the curved telescopic tube 204 and the arc-shaped telescopic bladder 5 can be adjusted so that the corresponding angle adjustment amount is more suitable when liquid is drawn or injected into both.

[0046] Reference Figure 8 The stabilizing mechanism 9 includes a base plate 901, which is fixedly connected to the Y-axis drive plate 106. The platform 107 has sliding grooves on both sides, and a moving plate is movably installed in each of the sliding grooves. The base plate 901 is fixedly connected to the moving plate. A support airbag 902 is fixedly installed on the upper surface of the base plate 901. A sealing plate 903 is fixedly installed on the outer side of the support airbag 902. A heat-conducting pipe 904 is connected between the sealing plate 903 and the side of the heat-conducting plate 409 on the same side of the water platform 401.

[0047] In this embodiment, in order to make the deformation process of the arc-shaped telescopic bladder 5 in the forward direction more stable, the support airbag 902 can provide flexible support for the bottom of the arc-shaped telescopic bladder 5. At the same time, the heat-conducting plate 409 provided above the arc-shaped telescopic bladder 5 can also limit its movement. During the heat conduction process, the heat-conducting plate 409 can transfer some heat to the support airbag 902 through the heat-conducting pipe 904, thereby increasing the gas pressure in the support airbag 902, thus making its support for the bottom of the arc-shaped telescopic bladder 5 more stable.

[0048] The working principle of this invention is as follows: When using the device, two steel plates to be welded are placed on the horizontal platform 401 and the adjusting platform 402, respectively, aligning the joint of the two steel plates with the joint of the heat-conducting plate 409. Then, the clamping screws 407 on both sides are rotated synchronously to clamp the two steel plates with the clamping block 408 at the bottom. At this time, the bottom limiting surface of the clamping block 408 coincides with the upper joint of the two steel plates, thus aligning the axis of the rotating shaft 404 with the upper joint of the two steel plates. The limiting structures on the horizontal platform 401 and the adjusting platform 402 are then used to limit and fix the steel plates. The welding torch assembly 3 is then driven to move to the joint of the steel plates, thereby performing horizontal welding. When it is necessary to change the included angle between the two steel plates before welding, liquid can be injected into the arc-shaped expansion bladder 5 to cause the arc-shaped expansion bladder 5 to expand. The deformation causes the adjustment table 402 to rotate and lift upward around the rotation shaft 404. Since the axis of the rotation shaft 404 coincides with the upper end joint of the steel plate, the joint of the steel plate remains in contact and does not interfere or separate when it rotates. When the two steel plates reach the required angle, the welding gun assembly 3 is used to weld the joint. The angle between the steel plates can be easily adjusted before welding. The joint is also reinforced by the clamping strips 405 on both sides, making the joint more stable during welding. During the welding process, high temperature is generated at the weld position. The upper end of the heat-conducting plate 409 contacts the bottom of the weld position of the steel plate, thereby conducting heat to the weld and using the coolant stored in the arc-shaped telescopic bladder 5 to dissipate heat. This method can accelerate the cooling process of the weld.

[0049] When the angle of the adjusting platform 402 needs to be adjusted, the coolant stored in the water tank 801 can be injected into the arc-shaped telescopic bladder 5 through the pipeline using the pressure pump 802. This causes the arc-shaped telescopic bladder 5 to deform and push the adjusting platform 402 to rotate around the rotating shaft 404, thereby changing the angle of the placed steel plate. At the same time, the coolant stored in the curved telescopic tube 204 will be drawn into the water tank 801, causing the curved telescopic tube 204 to contract. This causes the curved slider 202 to move in the curved groove in the curved block 201, thereby driving the welding torch assembly 3 to adjust its welding angle, so that its welding angle is more compatible with the angle of the bottom steel plate, thus improving the welding quality.

[0050] To make the deformation process of the arc-shaped telescopic bladder 5 in the forward direction more stable, the support airbag 902 can provide flexible support for the bottom of the arc-shaped telescopic bladder 5. At the same time, the heat-conducting plate 409 set above the arc-shaped telescopic bladder 5 can also limit its movement. During the heat conduction process, the heat-conducting plate 409 can transfer some heat to the support airbag 902 through the heat-conducting pipe 904, thereby increasing the gas pressure in the support airbag 902 and making its support for the bottom of the arc-shaped telescopic bladder 5 more stable.

[0051] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0052] Secondly: The accompanying drawings of the embodiments disclosed in this invention only involve the structures involved in the embodiments disclosed in this invention. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this invention can be combined with each other.

[0053] In conclusion, the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A plasma welding device for steel structure construction, comprising a table assembly (1), an angle adjustment mechanism (2) mounted above the table assembly (1), and a welding torch assembly (3) mounted on the angle adjustment mechanism (2), characterized in that: A welding support platform (4) is also movably installed on the platform assembly (1), and an arc-shaped telescopic bladder (5) is connected between the welding support platforms (4); When the arc-shaped telescopic bladder (5) deforms, the placement angle of the welding support table (4) is adjusted; When the arc-shaped telescopic bladder (5) deforms, the driving angle adjustment mechanism (2) adjusts the welding angle of the welding torch assembly (3).

2. The plasma welding apparatus for steel structure construction according to claim 1, characterized in that: The arc-shaped telescopic bladder (5) is also provided with a stabilizing mechanism (9) below it. The stabilizing mechanism (9) provides flexible support to the bottom of the arc-shaped telescopic bladder (5) to make its deformation process more stable.

3. The plasma welding apparatus for steel structure engineering construction according to claim 2, characterized in that: The platform assembly (1) includes a base (101), and the base (101) is provided with a Y-axis motion mechanism. The Y-axis motion mechanism includes a longitudinal plate (102), and Y-axis slide rails are symmetrically installed on both sides of the longitudinal plate (102). A slider is movably sleeved on the Y-axis slide rail. A Y-axis motor (103) is fixedly installed at one end of the longitudinal plate (102), and a movable shaft is movably installed at the other end of the longitudinal plate (102). The drive shaft of the Y-axis motor (103) is connected to... Each of the movable shafts at the other end is fixedly fitted with a pulley, and a transmission belt (104) is connected between the pulleys. A clamping plate (105) is fixedly installed on the belt body of the transmission belt (104). A Y-axis drive plate (106) is fixedly installed on the upper end of the clamping plate (105). The bottom of the Y-axis drive plate (106) is fixedly connected to the slider. A platform (107) is fixedly installed on the upper end of the base (101). The Y-axis drive plate (106) is movably fitted on the platform (107).

4. The plasma welding apparatus for steel structure engineering construction according to claim 3, characterized in that: A crossbeam assembly (6) is installed above the platform assembly (1). A vertical assembly (7) is installed at the drive end of the crossbeam assembly (6). The crossbeam assembly (6) includes a column (601). The column (601) is fixedly installed on both sides of the base (101). A crossbeam compartment (602) is fixedly installed at the upper end of the column (601). An X-axis motion mechanism is provided in the crossbeam compartment (602). An X-axis drive plate (603) is installed at the drive end of the X-axis motion mechanism. The X-axis drive plate (603) is movably sleeved on the crossbeam compartment (602). A Z-axis motion mechanism is fixedly installed on the X-axis drive plate (603). The vertical assembly (7) includes a Z-axis drive plate (701). The Z-axis drive plate (701) is installed at the drive end of the Z-axis motion mechanism. The structures of the X-axis motion mechanism and the Z-axis motion mechanism are consistent with the structure of the Y-axis motion mechanism.

5. The plasma welding apparatus for steel structure construction according to claim 4, characterized in that: The vertical component (7) is connected to an angle adjustment mechanism (2) at its driving end. The angle adjustment mechanism (2) includes a curved block (201). The curved block (201) is fixedly installed at the bottom of the Z-axis drive plate (701). A curved groove is provided in the curved block (201). A curved slider (202) is movably sleeved in the curved groove. A connecting hole (203) is provided at the end of the curved groove. A curved telescopic tube (204) is provided in the curved groove. One end of the curved telescopic tube (204) is fixedly connected to the curved slider (202). The other end of the curved telescopic tube (204) is fixedly sleeved on the connecting hole (203). The curved slider (202) is externally connected to a welding gun assembly (3).

6. The plasma welding apparatus for steel structure construction according to claim 5, characterized in that: The drive end of the platform assembly (1) is equipped with a welding support platform (4). The welding support platform (4) includes a water platform (401). The bottom of the water platform (401) is fixedly connected to the Y-axis drive plate (106). Adjustment platforms (402) are symmetrically arranged on the front side of the water platform (401). Movable grooves are opened on the adjacent upper surfaces of the water platform (401) and the adjustment platform (402). Connecting parts (403) are movably installed on the movable grooves. The connecting parts (403) are movably connected through a rotating shaft (404). Pressure is fixedly connected between the connecting parts (403). The fixing strip (405) consists of two strips located on both sides of the joint between the platform (401) and the regulating platform (402). Both the platform (401) and the regulating platform (402) are fixedly installed with folding plates (406). Each folding plate (406) is threaded with a fixing screw (407). The bottom end of each fixing screw (407) is movably fitted with a fixing block (408). Each fixing block (408) is fixedly connected to the fixing strip (405) on the same side. The bottom limiting surface of the fixing block (408) is flush with the bottom surface of the fixing strip (405).

7. The plasma welding apparatus for steel structure construction according to claim 6, characterized in that: The front and rear walls and side walls of the regulating platform (402) and the water platform (401) are threaded with limiting structures. Each limiting structure includes a threaded rod, which is threaded into the outer walls of the water platform (401) and the regulating platform (402). Each threaded rod has a movably fitted contact plate at its end. Triangular grooves are formed at the bottom of the adjacent surfaces of the water platform (401) and the regulating platform (402). The two telescopic ends of the arc-shaped telescopic bladder (5) are fixedly connected to the inclined surfaces of the triangular grooves at the bottom of the water platform (401) and the regulating platform (402). Heat-conducting plates (409) are symmetrically installed on both sides of the upper end. When the adjustment platform (402) is placed horizontally, the upper end joint of the heat-conducting plate (409) is aligned with the joint of the water platform (401) and the adjustment platform (402). The axis of the rotating shaft (404) coincides with the joint of the water platform (401) and the adjustment platform (402) on the same vertical plane. The axis of the rotating shaft (404) coincides with the bottom limiting surface of the pressure block (408). A sliding plate is installed at the bottom of the adjustment platform (402). When the adjustment platform (402) is placed horizontally, the sliding plate is in contact with the platform (107).

8. The plasma welding apparatus for steel structure engineering construction according to claim 7, characterized in that: The connector (403) consists of a socket block and a movable block. The socket block and the movable block are movably connected by a rotating shaft (404). The outer ends of the socket block and the movable block are respectively movably installed in the movable slots opened in the water platform (401) and the regulating platform (402), and move up and down in the movable slots.

9. The plasma welding apparatus for steel structure engineering construction according to claim 8, characterized in that: A liquid tank assembly (8) is installed on the crossbeam assembly (6). The liquid tank assembly (8) includes a water tank (801) containing coolant. A pressure pump (802) is installed inside the water tank (801). The water tank (801) is connected to the curved telescopic pipe (204) via a pipe. The output end of the pressure pump (802) is connected to the arc-shaped telescopic bladder (5) via a pipe. Both the curved telescopic pipe (204) and the arc-shaped telescopic bladder (5) contain coolant.

10. The plasma welding apparatus for steel structure engineering construction according to claim 9, characterized in that: The stabilizing mechanism (9) includes a base plate (901), which is fixedly connected to the Y-axis drive plate (106). The platform (107) has sliding grooves on both sides, and a moving plate is movably installed in each sliding groove. The base plate (901) is fixedly connected to the moving plate. A support airbag (902) is fixedly installed on the upper surface of the base plate (901). A sealing plate (903) is fixedly installed on the outer side of the support airbag (902). A heat-conducting pipe (904) is connected between the sealing plate (903) and the side of the heat-conducting plate (409) on the same side of the water platform (401).

Images