Combined welding equipment for iron art frame

Abstract

The invention provides iron art frame combination welding equipment, and relates to the technical field of welding equipment.The iron art frame combination welding equipment comprises a bearing base and an adjusting and positioning structure, fixing supports are fixedly connected to the two sides of the top of the bearing base, connecting vertical rods are fixedly connected to the two ends of the tops of the fixing supports, and a connecting top plate is fixedly connected to the tops of the connecting vertical rods; supporting angle plates are arranged between the connecting vertical rods and the fixing supports and between the connecting vertical rods and the connecting top plate, an adjusting and positioning structure is arranged on the top of the bearing base and comprises fixing supporting frames, a two-way lead screw is rotationally installed at one end between the fixing supporting frames, a guide rod is arranged on the corresponding side of the two-way lead screw, and an adjusting carrying block is arranged between the fixing supporting frames. By arranging the adjusting and positioning structure, the clamp can be conveniently switched between a square clamping mode and a round clamping mode, and the problems that due to the fact that clamps are frequently replaced, the shutdown time is prolonged, the production efficiency is reduced, special clamps need to be arranged for the round shape and the square shape respectively, and the purchase cost of equipment is increased are solved.

Description

Technical Field

[0001] The invention relates to the technical field of welding equipment, and in particular to a combined welding equipment for iron art frames. Background Art

[0002] Wrought iron products are widely used in many fields such as architectural decoration, household goods, outdoor facilities, etc., such as wrought iron fences, wrought iron furniture, wrought iron flower stands, etc. These wrought iron stands are usually welded together by metal rods of various shapes and specifications. The welding quality and production efficiency are crucial to the overall quality and cost control of wrought iron products. However, the traditional welding method has many limitations, so welding equipment is needed to make up for the defects of traditional welding. However, the current welding equipment needs to use fixtures to position the components during welding to ensure the stability during welding. However, with the market demand, various styles of wrought iron stands emerge in an endless stream, which leads to the need to constantly replace the corresponding fixtures during welding, which in turn increases the downtime, reduces production efficiency, and increases the purchase cost of the fixtures. Summary of the invention

[0003] In view of this, the present invention provides a combined welding device for wrought iron frames, which can easily switch between square and circular clamping modes by adjusting the setting of the positioning structure, which not only avoids production stagnation caused by replacing the clamp, but also does not need to equip special clamps for round and square shapes respectively, thereby reducing the purchase cost of the equipment. Through the setting of mobile components, the operator does not need to frequently come into close contact with the high-temperature welding area and perform high-intensity manual adjustments, but only needs to perform precise control in a comfortable and safe operating position, effectively reducing labor intensity and operating difficulty, improving the safety and comfort of the working environment, and being conducive to improving the work enthusiasm and production stability of employees. Through the setting of the assembly structure, the electric welding gun can be quickly disassembled and installed, reducing maintenance time and cost, and can restore the equipment to normal use in time.

[0004] The present invention provides a combined welding device for iron frame, which specifically comprises: a bearing base and an adjustment and positioning structure;

[0005] The top of the bearing base is fixedly connected with fixed brackets on both sides, and the top two ends of the fixed brackets are fixedly connected with connecting vertical rods, and the top of the connecting vertical rods is fixedly connected with a connecting top plate. A supporting angle plate is provided between the connecting vertical rods, the fixed brackets and the connecting top plate. An adjustment positioning structure is provided on the top of the bearing base, and the adjustment positioning structure includes a fixed support frame, a bidirectional screw rod is rotatably installed at one end between the fixed support frames, a guide rod is provided on one side corresponding to the bidirectional screw rod, an adjustment carrier block is provided between the fixed support frames, and extension convex plates are fixedly connected at both ends of the adjustment carrier block, and the extension convex plates are respectively provided with There are guide holes and first screw holes, and a stabilizing angle iron is fixedly connected between the adjusting carrier block and the extending convex plate, a reset groove is provided in the middle of the inner part of the adjusting carrier block, a first spring is provided inside the reset groove, a sliding support hole is provided in the reset groove, two groups of limit plug holes are provided on the top of the adjusting carrier block, a two-way clamping block is provided on the top of the adjusting carrier block, a sliding pillar is fixedly connected to the bottom of the two-way clamping block, a connecting convex column is fixedly connected to the bottom of the sliding pillar, the connecting convex column is movably installed in the reset groove, and a limiting plug column is fixedly connected to the bottom of the two-way clamping block, and the limiting plug column is inserted in the limiting plug hole.

[0006] In at least some embodiments, a tightening structure is provided at both ends of the fixed support frame, and the tightening structure includes a movable slide. A movable slide is provided at both ends of the top of the fixed support frame, and a supporting plate is fixedly connected to the bottom of the opposite side of the movable slide. A clamping convex plate is fixedly connected to the outer side of both ends of the movable slide, and an assembly hole is provided on the clamping convex plate. A clamping bolt is installed inside the assembly hole, and a clamping groove is provided on the fixed support frame.

[0007] In at least some embodiments, a moving component is provided on the connecting top plate, and the moving component includes a fixed support plate, a first screw, a first motor and a moving slider. The top two ends of the connecting top plate are fixedly connected with fixed support plates, a first screw is provided between the fixed support plates, one end of the first screw is fixedly connected to the driving end of the first motor, and a moving slider is provided between the fixed support plates.

[0008] In at least some embodiments, a second screw hole is provided on the movable slider, the bottom of the movable slider is fixedly connected to the limiting slider, a limiting slide groove is provided on the connecting top plate, the limiting slider passes through the limiting slide groove and is fixedly connected to the connecting recess at the bottom, a guide groove is provided on the top inner side of the connecting recess, a second screw rod is provided between the connecting recesses, one end of the second screw rod is fixedly connected to the driving end of the second motor, a movable carrier block is provided at the bottom of the connecting recess, a third screw hole is provided in the middle of the movable carrier block, and a guide ridge is fixedly connected to the top of the movable carrier block.

[0009] In at least some embodiments, the two sides of the movable carrier are fixedly connected with a fixed inner frame, a limiting groove is provided on the fixed inner frame, a sliding recess is provided on the outer side of the fixed inner frame, a cylinder is fixedly installed on the top of the movable carrier, one end of the cylinder is fixedly connected to the sliding recess, the top inner side of the sliding recess is fixedly connected to the limiting block, the outer bottom of the sliding recess is fixedly connected with a bearing support plate, and the outer top of the sliding recess is fixedly connected to a limiting top plate.

[0010] In at least some embodiments, assembly structures are provided on both sides of the sliding recess, and the assembly structures include an inner hoop frame, a hinged frame, an outer hoop frame, a hinged ear, a connecting angle plate, a locking socket and an axle pin. The inner hoop frame is fixedly connected to both sides of the sliding recess, one end of the inner hoop frame is fixedly connected to the hinged frame, an outer hoop frame is provided on one side of the inner hoop frame, one end of the outer hoop frame is fixedly connected to the hinged ear, the hinged ear is hinged to the hinged frame through an axle pin, and the other end of the outer hoop frame is fixedly connected to the connecting angle plate, and a locking socket is provided on the connecting angle plate.

[0011] In at least some embodiments, the other end of the inner hoop frame is fixedly connected to a fixed protrusion, a movable sliding hole is opened on the fixed protrusion, a locking rod is slidably installed inside the movable sliding hole, and one end of the locking rod is inserted into the locking hole.

[0012] In at least some embodiments, an extrusion ring is fixedly connected to the outer side of the locking rod, an extrusion groove is opened inside the fixed protrusion, a second spring is provided inside the extrusion groove, the other end of the locking rod passes through the fixed protrusion and is fixedly connected to the outer pull handle, and an electric welding gun is provided between the outer hoop frame and the inner hoop frame.

[0013] The invention provides a combined welding device for iron frame, which has the following beneficial effects:

[0014] 1. The present invention is provided with an adjustment and positioning structure. Through the cooperation of the bidirectional screw rod and the first screw hole, the adjustment carrier block can drive the bidirectional clamp block to clamp and position the welded component to ensure stability during welding. The bidirectional clamp block is pulled to drive the connecting protrusion to rotate and adjust in the reset groove through the sliding pillar, so that switching between square and arc-shaped clamp blocks is possible without constantly replacing the matching clamp. At the same time, the adjustment carrier block is reset under the reaction force of the first spring, so that the limiting plug column is inserted back into the limiting plug hole, thereby completing the adjustment of the clamp block, which not only avoids production stagnation caused by replacing the clamp, but also does not need to equip special clamps for round and square shapes respectively, thereby reducing the purchase cost of the equipment; at the same time, through the setting of the movable slide plate, the welding positions on both sides can be freely adjusted according to the length of the component to be welded, thereby facilitating welding with the components on both sides.

[0015] 2. The present invention is provided with a moving component and multiple sets of screws, so that the operator does not need to frequently come into close contact with the high-temperature welding area and perform high-intensity manual adjustments. He only needs to perform precise control in a comfortable and safe operating position, which effectively reduces labor intensity and operating difficulty, improves the safety and comfort of the working environment, and is conducive to improving the work enthusiasm of employees and production stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0017] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0018] In the attached picture:

[0019] Figure 1 Shows a schematic diagram of the overall structure according to the present invention;

[0020] Figure 2 A schematic diagram of the adjustment and positioning structure and the tightening structure according to the present invention is shown;

[0021] Figure 3 A schematic diagram of the structure of the adjusting carrier block in the adjusting and positioning structure according to the present invention is shown;

[0022] Figure 4 A schematic diagram of the bidirectional clamping block structure in the adjustment and positioning structure according to the present invention is shown;

[0023] Figure 5 It shows a schematic diagram of the structure of the tightening structure part assembly according to the present invention;

[0024] Figure 6 A schematic diagram of the structure of the mobile assembly and the device frame according to the present invention is shown;

[0025] Figure 7 It shows a schematic diagram of the structure of some components of the mobile component according to the present invention;

[0026] Figure 8 A schematic diagram of the structure of a moving carrier block and a fixed inner frame in a moving assembly according to the present invention is shown;

[0027] Fig. 9 A schematic diagram of the structure of the sliding recess in the moving assembly according to the present invention is shown;

[0028] Fig.10 A schematic diagram of an assembly structure according to the present invention is shown;

[0029] Reference numerals list

[0030] 1. Load-bearing base;

[0031] 101, fixing bracket; 1011, connecting vertical rod;

[0032] 102. Connect the top plate;

[0033] 103. Support angle plate;

[0034] 2. Adjust the positioning structure;

[0035] 201, fixed support frame; 2011, guide rod; 2012, bidirectional screw rod;

[0036] 202, adjusting carrier block; 2021, extending convex plate; 2022, guide hole; 2023, first screw hole;

[0037] 203, stabilizing angle iron;

[0038] 204, reset groove; 2041, first spring; 2042, sliding support hole; 2043, limit insertion hole;

[0039] 205, two-way clamping block; 2051, sliding support pillar; 2052, connecting protruding pillar; 2053, limiting plug pillar;

[0040] 3. Tightening structure;

[0041] 301, moving slide plate; 3011, supporting plate; 3012, pressing convex plate; 3013, assembly hole;

[0042] 302, clamping bolt; 3021, clamping groove;

[0043] 4. Mobile components;

[0044] 401, fixed support plate; 4011, first screw rod; 4012, first motor;

[0045] 402, moving slider; 4021, second screw hole; 4022, limiting slider; 4023, limiting slide groove; 4024, connecting recess; 4025, guide groove;

[0046] 403, second screw; 4031, second motor;

[0047] 404, movable carrier block; 4041, third screw hole; 4042, guide convex strip;

[0048] 405, fixed inner frame; 4051, limiting groove;

[0049] 406, cylinder;

[0050] 407, sliding recessed frame; 4071, limiting block; 4072, bearing support plate; 4073, limiting top plate;

[0051] 5. Assembly structure;

[0052] 501, inner hoop frame; 5011, articulated frame;

[0053] 502, outer hoop; 5021, hinged ear; 5022, connecting angle plate; 5023, locking socket;

[0054] 503, shaft pin;

[0055] 504, fixed protrusion; 5041, movable sliding hole; 5042, locking rod; 5043, extrusion ring; 5044, extrusion groove; 5045, second spring; 5046, pull handle;

[0056] 6. Electric welding gun.

[0057] Example: Please refer to Figures 1 to 10 :

[0058] The present invention proposes a combined welding device for iron frame, comprising: a bearing base 1 and an adjusting and positioning structure 2;

[0059] The top sides of the bearing base 1 are fixedly connected with fixed brackets 101, the top two ends of the fixed brackets 101 are fixedly connected with connecting vertical rods 1011, the top of the connecting vertical rods 1011 is fixedly connected with a connecting top plate 102, and a supporting angle plate 103 is provided between the connecting vertical rods 1011 and the fixed brackets 101 and the connecting top plate 102. The top of the bearing base 1 is provided with an adjustment positioning structure 2, and the adjustment positioning structure 2 includes a fixed support frame 201, one end of the fixed support frame 201 is rotatably installed with a bidirectional screw rod 2012, and a guide rod 211 is provided on one side corresponding to the bidirectional screw rod 2012, and an adjustment carrier block 202 is provided between the fixed support frames 201, and the two ends of the adjustment carrier block 202 are provided. The end is fixedly connected with an extension convex plate 2021, and a guide hole 2022 and a first screw hole 2023 are respectively opened on the extension convex plate 2021, and a stabilizing angle iron 203 is fixedly connected between the adjustment carrier 202 and the extension convex plate 2021, a reset groove 204 is opened in the middle of the adjustment carrier 202, and a first spring 2041 is arranged inside the reset groove 204, and a sliding support hole 2042 is opened in the reset groove 204, and two groups of limit plug holes 2043 are opened on the top of the adjustment carrier 202, and a two-way clamping block 205 is provided on the top of the adjustment carrier 202, and a sliding pillar 2051 is fixedly connected to the bottom of the two-way clamping block 205, and the bottom of the sliding pillar 2051 is fixedly connected to A connecting boss 2052 is connected, and the connecting boss 2052 is movably installed in the reset groove 204. The bottom of the two-way clamp 205 is fixedly connected to the limited position plug 2053, and the limited position plug 2053 is inserted in the limited position plug hole 2043. By rotating the two-way screw rod 2012 and the first screw hole 2023 on the extension convex plate 2021, the guide hole 2022 on the other side of the extension convex plate 2021 is limited and guided by the guide rod 2011, so that the two-way screw rod 2012 drives the extension convex plate 2021 to move, and the extension convex plate 2021 drives the two-way clamp 205 to move toward each other by adjusting the carrier block 202, so as to clamp and position the components. When replacing the clamping surface, only pull Move the two-way clamp 205 to disengage the limiting plug 2053 from the limiting socket 2043, and then rotate the two-way clamp 205 to rotate it 180 degrees, and then just loosen the two-way clamp 205. Because when the two-way clamp 205 moves, the sliding support 2051 causes the connecting boss 2052 to squeeze the first spring 2041 in the reset groove 204, so that the first spring 2041 generates elasticity, and releases the elastic force when the pressure is lost, thereby pushing the connecting boss 2052 to move, and the connecting boss 2052 drives the adjusting carrier 202 to reset through the sliding support 2051, and the adjusting carrier 202 drives the limiting plug 2053 to be inserted back into the limiting socket 2043, thereby completing the adjustment.

[0060] Embodiment 2: Based on Embodiment 1, Figure 2 and Figure 5As shown, a clamping structure 3 is provided at both ends of the fixed support frame 201, and the clamping structure 3 includes a movable slide plate 301. The movable slide plates 301 are provided at the top two ends of the fixed support frame 201, and a support plate 3011 is fixedly connected to the bottom of the opposite side of the movable slide plate 301. The outer sides of the two ends of the movable slide plate 301 are fixedly connected with clamping convex plates 3012, and an assembly hole 3013 is provided on the clamping convex plate 3012. A clamping bolt 302 is installed inside the assembly hole 3013. A clamping groove 3021 is provided on the fixed support frame 201. The clamping bolt 302 is rotated in the opposite direction to release the clamping convex plate 3012, so that the movable slide plate 301 can be moved on the fixed support frame 201, so that it drives the welded components on both sides to fit with the middle component, and then the clamping bolt 302 is rotated to clamp the clamping convex plate 3012 again, thereby completing the limiting of the components on both sides.

[0061] Embodiment 3: Based on Embodiment 1 and Embodiment 2, Figures 6 to 9As shown, a moving assembly 4 is provided on the connecting top plate 102, and the moving assembly 4 includes a fixed support plate 401, a first screw rod 4011, a first motor 4012 and a moving slider 402. The top two ends of the connecting top plate 102 are fixedly connected with fixed support plates 401, a first screw rod 4011 is provided between the fixed support plates 401, one end of the first screw rod 4011 is fixedly connected to the driving end of the first motor 4012, a moving slider 402 is provided between the fixed support plates 401, a second screw hole 4021 is provided on the moving slider 402, a limited slider 4022 is fixedly connected to the bottom of the moving slider 402, a limited slide groove 4023 is provided on the connecting top plate 102, and a limited slide groove 4023 is provided on the limiting slide The block 4022 passes through the limiting slide groove 4023 and is fixedly connected to the connecting recess 4024 at the bottom. A guide groove 4025 is provided on the inner side of the top of the connecting recess 4024. A second screw rod 403 is provided between the connecting recesses 4024. One end of the second screw rod 403 is fixedly connected to the driving end of the second motor 4031. A movable carrier block 404 is provided at the bottom of the connecting recess 4024. A third screw hole 4041 is provided in the middle of the movable carrier block 404. A guide convex strip 4042 is fixedly connected to the top of the movable carrier block 404. A fixed inner frame 405 is fixedly connected to both sides of the movable carrier block 404. A limiting groove 4051 is provided on the fixed inner frame 405. The fixed inner frame 405 A sliding recess 407 is provided on the outer side of the movable carrier block 404, a cylinder 406 is fixedly installed on the top of the movable carrier block 404, one end of the cylinder 406 is fixedly connected to the sliding recess 407, a limited block 4071 is fixedly connected to the inner side of the top of the sliding recess 407, a bearing support plate 4072 is fixedly connected to the outer bottom of the sliding recess 407, and a limited top plate 4073 is fixedly connected to the outer top of the sliding recess 407. By starting the first motor 4012 to drive the first screw rod 4011 to rotate, the first screw rod 4011 is rotatably engaged with the second screw hole 4021 on the movable slider 402, but the movable slider 402 is limited in the limited slide groove 4023 by the limited slider 4022. Direction, so that the first screw rod 4011 can drive the movable slider 402 to move forward and backward for adjustment, by starting the second motor 4031 to drive the second screw rod 403 to rotate, the second screw rod 403 and the third screw hole 4041 on the movable carrier block 404 are rotatably engaged, and the movable carrier block 404 is limited and guided in the guide groove 4025 by the guide ridge 4042, so that the second screw rod 403 can drive the movable carrier block 404 to move left and right, thereby driving the welding gun 6 to move and adjust, by starting the cylinder 406 to push the sliding recess 407 to move downward, the sliding recess 407 can drive the welding gun 6 and the components to approach each other, and then welding can be performed between the components.

[0062] Embodiment 4: Based on Embodiment 1, Embodiment 2 and Embodiment 3, Fig.10As shown, an assembly structure 5 is provided on both sides of the sliding recess 407, and the assembly structure 5 includes an inner hoop frame 501, an articulated frame 5011, an outer hoop frame 502, an articulated ear 5021, a connecting angle plate 5022, a locking socket 5023 and an axle pin 503. The inner hoop frame 501 is fixedly connected to both sides of the sliding recess 407, and one end of the inner hoop frame 501 is fixedly connected to the articulated frame 5011. One side of the inner hoop frame 501 is provided with an outer hoop frame 502, and one end of the outer hoop frame 502 is fixedly connected to the articulated ear 5021. The articulated ear 5021 is connected to the axle pin 503. 03 is hingedly connected to the hinge frame 5011, the other end of the outer hoop frame 502 is fixedly connected to a connecting angle plate 5022, and a locking socket 5023 is provided on the connecting angle plate 5022, and the other end of the inner hoop frame 501 is fixedly connected to a fixed protrusion 504, and a movable sliding hole 5041 is provided on the fixed protrusion 504, and a locking plug rod 5042 is slidably installed inside the movable sliding hole 5041, and one end of the locking plug rod 5042 is inserted into the locking socket 5023, and the outer side of the locking plug rod 5042 is fixedly connected to an extrusion ring 5043, and the fixed protrusion 5041 is fixedly connected to the fixing protrusion 504. The block 504 is provided with an extrusion groove 5044, and a second spring 5045 is provided inside the extrusion groove 5044. The other end of the locking rod 5042 passes through the fixed protrusion 504 and is fixedly connected to the outer pull handle 5046. At the same time, a welding gun 6 is provided between the outer hoop frame 502 and the inner hoop frame 501. By pulling the pull handle 5046, the locking rod 5042 is driven to disengage from the locking socket 5023, and then the outer hoop frame 502 can be separated from the inner hoop frame 501, and then the welding gun 6 can be disassembled for easy maintenance. One side of the welding gun 6 is fitted with the inner hoop frame 501, and then the outer hoop frame 502 is buckled with the inner hoop frame 501. At this time, the pull handle 5046 is released, because when the locking rod 5042 moves, the second spring 5045 is squeezed in the extrusion groove 5044 through the extrusion ring 5043, so that the second spring 5045 produces elasticity. Under the reaction force of the second spring 5045, the extrusion ring 5043 is pushed to move, and the extrusion ring 5043 drives the locking rod 5042 to reset and insert it back into the locking socket 5023, thereby completing the installation of the welding gun 6.

[0063] Specific usage and function of this embodiment: In the present invention, first, the limiting plug 2053 is disengaged from the limiting socket 2043 by pulling the two-way clamp 205, and then the two-way clamp 205 is rotated to rotate it 180 degrees, and then the two-way clamp 205 only needs to be loosened, because when the two-way clamp 205 moves, the connecting boss 2052 is squeezed against the first spring 2041 in the reset groove 204 through the sliding pillar 2051, so that the first spring 2041 produces elasticity, and releases the elastic force when the pressure is lost, thereby pushing the connecting boss 2052 to move, and the connecting boss 2052 drives the adjustment block 202 to reset through the sliding pillar 2051, and the adjustment block 202 drives the limiting plug 2053 to be inserted back into the limiting socket 2043, so that the corresponding clamping surface can be selected according to the parts to be welded, so that it can be conveniently switched between square and circular clamping modes, which can To cope with various shapes of iron components, there is no need to constantly replace the matching clamps, and then rotate the bidirectional screw rod 2012 to engage with the first screw hole 2023 on the extension convex plate 2021, and the guide hole 2022 on the extension convex plate 2021 on the other side is guided by the upper limit of the guide rod 2011, so that the bidirectional screw rod 2012 drives the extension convex plate 2021 to move, and the extension convex plate 2021 drives the bidirectional clamping block 205 to move toward each other by adjusting the carrier block 202, so as to clamp and position the components, and then place the components at both ends on the support plate 3011, and then slide the position of the moving slide plate 301 so that the components at both ends fit with the middle component, and then rotate the clamping bolt 302 to clamp the clamping convex plate 3012, so that the components at both ends are close to the middle component, and then the position of the electric welding gun 6 can be controlled by the moving component 4 to weld them.

Claims

1. A combined welding device for iron frame, comprising: Bearing base and adjustment and positioning structure; The top of the supporting base is fixedly connected with fixed brackets on both sides, and the top two ends of the fixed brackets are fixedly connected with connecting vertical rods, and the top of the connecting vertical rods is fixedly connected with a connecting top plate, and a supporting angle plate is provided between the connecting vertical rods, the fixed brackets and the connecting top plate, and an adjusting positioning structure is provided on the top of the supporting base, which is characterized in that the adjusting positioning structure includes a fixed support frame, a bidirectional screw rod is rotatably installed at one end between the fixed support frames, a guide rod is provided on one side corresponding to the bidirectional screw rod, an adjusting carrier block is provided between the fixed support frames, and the two ends of the adjusting carrier block are fixedly connected with an extending convex plate, and the extending convex plate is divided into A guide hole and a first screw hole are separately provided, and a stabilizing angle iron is fixedly connected between the adjusting carrier block and the extending convex plate, a reset groove is provided in the middle of the inner part of the adjusting carrier block, a first spring is provided inside the reset groove, a sliding support hole is provided in the reset groove, two groups of limit sockets are provided on the top of the adjusting carrier block, a two-way clamping block is provided on the top of the adjusting carrier block, a sliding support column is fixedly connected to the bottom of the two-way clamping block, a connecting convex column is fixedly connected to the bottom of the sliding support column, the connecting convex column is movably installed in the reset groove, and a limiting plug column is fixedly connected to the bottom of the two-way clamping block, and the limiting plug column is inserted in the limiting socket.

2. The combined welding equipment for iron frame according to claim 1, characterized in that: The two ends of the fixed support frame are provided with a tightening structure, the tightening structure includes a movable slide plate, the two ends of the top of the fixed support frame are provided with a movable slide plate, the bottom of the opposite side of the movable slide plate is fixedly connected with a supporting plate, the outer sides of the two ends of the movable slide plate are fixedly connected with a clamping convex plate, the clamping convex plate is provided with an assembly hole, the inside of the assembly hole is installed with a clamping bolt, and the fixed support frame is provided with a clamping groove.

3. The combined welding equipment for iron frame according to claim 1, characterized in that: The connecting top plate is provided with a moving component, which includes a fixed support plate, a first screw, a first motor and a moving slider. The top two ends of the connecting top plate are fixedly connected with fixed support plates, a first screw is provided between the fixed support plates, one end of the first screw is fixedly connected to the driving end of the first motor, and a moving slider is provided between the fixed support plates.

4. The combined welding equipment for iron frame according to claim 3 is characterized in that: A second screw hole is provided on the movable slider, and the bottom of the movable slider is fixedly connected to the limiting slider, and a limiting slide groove is provided on the connecting top plate. The limiting slider passes through the limiting slide groove and is fixedly connected to the connecting recess at the bottom, and a guide groove is provided on the top inner side of the connecting recess, and a second screw rod is provided between the connecting recesses, and one end of the second screw rod is fixedly connected to the driving end of the second motor, and a movable carrier block is provided at the bottom of the connecting recess, and a third screw hole is provided in the middle of the movable carrier block, and a guide convex strip is fixedly connected to the top of the movable carrier block.

5. The combined welding equipment for iron frame according to claim 4 is characterized in that: The two sides of the movable carrier are fixedly connected with fixed inner frames, and a limiting groove is provided on the fixed inner frame. A sliding recess is provided on the outer side of the fixed inner frame. A cylinder is fixedly installed on the top of the movable carrier, and one end of the cylinder is fixedly connected to the sliding recess. The inner side of the top of the sliding recess is fixedly connected to the limiting block, the outer bottom of the sliding recess is fixedly connected with a bearing support plate, and the outer top of the sliding recess is fixedly connected to a limiting top plate.

6. The combined welding equipment for iron frame according to claim 5, characterized in that: Assembly structures are provided on both sides of the sliding recess, and the assembly structures include an inner hoop frame, a hinged frame, an outer hoop frame, a hinged ear, a connecting angle plate, a locking socket and an axle pin. The inner hoop frame is fixedly connected to both sides of the sliding recess, one end of the inner hoop frame is fixedly connected to the hinged frame, an outer hoop frame is provided on one side of the inner hoop frame, one end of the outer hoop frame is fixedly connected to the hinged ear, the hinged ear is hinged to the hinged frame through the axle pin, and the other end of the outer hoop frame is fixedly connected to the connecting angle plate, and a locking socket is provided on the connecting angle plate.

7. The combined welding equipment for iron frame according to claim 6, characterized in that: The other end of the inner hoop frame is fixedly connected with a fixed protrusion, a movable sliding hole is opened on the fixed protrusion, a locking plug rod is slidably installed inside the movable sliding hole, and one end of the locking plug rod is inserted into the locking plug hole.

8. The combined welding equipment for iron frame according to claim 7, characterized in that: The outer side of the locking rod is fixedly connected with an extrusion ring, the interior of the fixed protrusion is provided with an extrusion groove, the interior of the extrusion groove is provided with a second spring, the other end of the locking rod passes through the fixed protrusion and is fixedly connected with the outer pull handle, and an electric welding gun is provided between the outer hoop frame and the inner hoop frame.

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