Steel structure bridge welding device with feeding structure

Abstract

The utility model discloses a steel structure bridge welding device with a feeding structure, and belongs to the technical field of welding equipment, the steel structure bridge welding device comprises a welding box body and a laser welding head, a sliding seat is slidably connected between the front direction and the rear direction of the top in the welding box body, the laser welding head is installed at the bottom of the sliding seat, and a material carrying assembly comprises a material carrying frame. The bottom of each material carrying frame is fixedly connected with a support plate, the two material carrying frames can conduct synchronous merging motion and separating motion, the interiors of the material carrying frames are connected with evenly-distributed conveying rollers through bearings, the conveying rollers are sleeved with clamping plates, and the inner walls of the bottoms of the clamping plates are fixedly connected through springs. A stop assembly is installed on the outer wall, corresponding to one end of the conveying roller, of the material carrying frame, the stop assembly comprises a stop plate, the stop plate is tightly inserted into the end of the conveying roller, rapid feeding, alignment and positioning during welding are facilitated, and the technical effect of effectively improving the welding efficiency is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding equipment, and particularly relates to a steel structure bridge welding device with a feeding structure. Background Art

[0002] Compared with brick-concrete structure buildings, steel structures have obvious advantages in terms of environmental protection, energy conservation, high efficiency, factory production, etc. Steel structures are usually composed of load-bearing structures such as beams, columns, and trusses made of sections and steel plates. In bridge construction, steel structures are widely used. Many times, due to construction requirements, it is necessary to weld or cut steel structures. At present, the technology of steel structure welding equipment is very mature, with various welding methods such as full-automatic welding, semi-automatic welding, and manual welding. However, in the welding process, the steel structure plates in bridge construction are often heavy. During welding, manual feeding is required to butt the welding joints of the steel to be welded, and then a protective mask against welding fumes is worn for welding operations. This operation is rather cumbersome, time-consuming, and laborious, affecting the welding work efficiency. Content of the Utility Model

[0003] Aiming at the problems existing in the prior art, the utility model provides a steel structure bridge welding device with a feeding structure, which has the advantages of facilitating rapid feeding, alignment, and positioning during welding, effectively improving the welding efficiency, and solving the problems of difficult feeding during welding of heavy steel structure plates in the prior art, and the need to wear a dust-proof mask for protection, with time-consuming and laborious operations.

[0004] The utility model is realized as follows: A steel structure bridge welding device with a feeding structure includes a welding box body and a laser welding head. A sliding seat is slidably connected between the front and rear directions at the top inside the welding box body. The laser welding head is installed at the bottom of the sliding seat. The sliding seat can drive the laser welding head to move in the front and rear directions and the up and down directions. Transmission openings are respectively formed on both sides of the welding box body corresponding to the lower part of the laser welding head. A loading component is slidably connected to each of the transmission openings. The loading component includes a loading frame. A support plate is fixedly connected to the bottom of the loading frame. Synchronous merging and separating movements can be performed between the two loading frames. A uniformly distributed transmission roller is connected to the inside of the loading frame through a bearing. A clamping plate is sleeved on the transmission roller. The bottom inner walls of the clamping plate are fixedly connected through a spring. A stop component is installed on the outer wall of the loading frame corresponding to one end of the transmission roller. The stop component includes a stop plate, and the stop plate is inserted tightly onto the end of the transmission roller.

[0005] Preferably, a lead screw is disposed through between the front and rear surfaces of the upper portion of the slide base. The lead screw is in threaded connection with the slide base. A first motor is fixedly installed on the rear outer wall of the welding box body. The front and rear ends of the lead screw are connected to the welding box body through bearings. The rear end of the lead screw penetrates through the welding box body and is fixedly connected to the output end of the first motor.

[0006] With this arrangement, during use, when the first motor is started, it drives the slide base to move along the lead screw, thereby facilitating driving the laser welding head at the bottom of the slide base to perform a linear movement in the front-rear direction, so as to facilitate the laser welding head to weld the steel seam on the combined loading frame.

[0007] Preferably, a guide block is fixedly connected to the top of the slide base. A guide groove is formed in the inner top of the welding box body. The guide groove and the guide block are slidably connected in a matching manner. An electric push rod is fixedly installed inside the slide base. The upper end of the laser welding head is fixedly connected to the output end of the electric push rod.

[0008] With this arrangement, during use, by sliding the guide block along the guide groove, it is convenient to guide the moving direction of the slide base and prevent the slide base from rotating. Starting the electric push rod facilitates driving the laser welding head to perform a linear movement in the up-down direction, and then facilitating the laser welding head to move downward to the position of the steel seam for welding operation.

[0009] Preferably, two fixing plates are fixedly connected between the front and rear surfaces of the bottom of the welding box body. A positive and reverse threaded rod is connected between the middles of the fixing plates through a bearing. The lower portions of the two support plates are both threadedly sleeved on the positive and reverse threaded rod, and the two support plates are respectively located on the positive thread section and the reverse thread section of the positive and reverse threaded rod. A toothed ring is sleeved and fixed in the middle of the positive and reverse threaded rod corresponding between the fixing plates. A second motor is fixedly installed at the bottom of the fixing plate. The output end of the second motor is fixedly connected to a gear. The gear is meshed with the toothed ring.

[0010] With this setting, during use, the fixed plate facilitates the stable installation of the forward and reverse threaded rod in the welding box body. Through the meshing of the toothed ring and the gear, when the second motor starts, it is convenient to drive the forward and reverse threaded rod to rotate. When welding work is carried out, the two steel materials to be welded are respectively placed on the two loading frames. After clamping and fixing, then start the second motor to drive the forward and reverse threaded rod to rotate, and then make the two loading frames located on the forward and reverse threaded sections move closer to each other until the ends of the loading frames are combined and fitted inside the welding box body, and then the two steel materials on them are butt-jointed, and the laser welding head can carry out the welding work. After welding is completed, make the stop component disengage from the conveyor roller. At this time, when using the lifting tool to drag the welded steel material out as a whole, due to the friction force, the conveyor roller rolls and quickly conveys the steel material. Whether it is dragged by the lifting tool or manually pulled out, it is relatively time-saving and labor-saving. Finally, control the second motor to rotate in the reverse direction, and then make the loading frames move away from each other until the loading frames disengage from the welding box body, and then the next operation can be carried out, which is beneficial to improving work efficiency.

[0011] Preferably, a rubber sleeve is sleeved and fixed on the conveyor roller, and a roller is fixedly connected to the bottom of the support plate, and the roller rolls along the ground.

[0012] With this setting, during use, the rubber sleeve facilitates increasing the friction force of the conveyor roller. Then, when the stop component inserts and tightens the conveyor roller, it is convenient to stably place the steel material on the loading frame, so that the butt-joint accuracy is high when the steel materials are welded, which is beneficial to improving the welding quality. When the steel material needs to be taken out after welding is completed, make the stop component disengage from the conveyor roller, and then when dragging the steel material, drive the conveyor roller to rotate, and the blanking is fast, convenient, time-saving and labor-saving. And through the roller, the support plate drives the loading frame to roll and move, which is convenient, fast, time-saving and labor-saving.

[0013] Preferably, a vertical plate is fixedly connected to the outer wall of the loading frame, a threaded rotating rod is threadedly connected to the top of the vertical plate, the bottom of the threaded rotating rod is connected to the top of the stop plate through a bearing, uniformly distributed stop grooves are formed in the bottom of the stop plate, and rubber convex teeth are fixedly connected to the stop grooves.

[0014] With this setting, during use, when it is necessary for the stop component to insert and tighten the conveyor roller, turn the threaded rotating rod downward to push the stop plate downward until the stop groove is driven to be inserted into the end of the conveyor roller. The conveyor roller can be further clamped and fixed through the rubber convex teeth, and then the conveyor roller will not rotate, which is convenient for the steel material to be stably clamped on the conveyor roller for accurate positioning during welding. When it is necessary to let the conveyor roller disengage from the restriction and rotate the feeding, at this time, rotate the threaded rotating rod upward to drive the stop plate to move upward until the stop groove disengages from the end of the conveyor roller.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] Through the cooperation of the positive and negative threaded rod, the second motor, the gear and the toothed ring, it is convenient to drive the two loading frames to perform synchronous merging and separating movements, which saves time and effort in operation, makes the positioning accurate during welding, and ensures the welding quality; moreover, through the conveying roller, it is convenient for the steel to move easily on the loading frame to reach the designated end position of the loading frame. The clamping plate clamps and fixes the steel, which is convenient for effective positioning during welding. Through the cooperation of the stop plate, the stop groove, the rubber tooth protrusions and the threaded rotating rod, it is convenient to insert and limit the conveying roller, that is, the conveying roller is not easy to rotate automatically, and then the steel during welding is more stably placed in the loading frame, further ensuring the accuracy of welding positioning, thus facilitating rapid feeding, alignment and positioning during welding, effectively improving the welding efficiency; at the same time, automatic welding is carried out inside the box body, and the welding fumes are not easy to fly out and cause harm to the staff, and the protection effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the overall structural schematic diagram provided by the embodiment of the present utility model;

[0018] Figure 2 is the partial sectional structural schematic diagram provided by the embodiment of the present utility model;

[0019] Figure 3 is the structural schematic diagram of the loading component provided by the embodiment of the present utility model;

[0020] Figure 4 is provided by the embodiment of the present utility model Figure 3 The enlarged structural schematic diagram at A in

[0021] In the figure: 1, welding box body; 2, conveying material opening; 3, loading frame; 4, support plate; 5, clamping plate; 6, conveying roller; 7, positive and negative threaded rod; 8, stop plate; 9, laser welding head; 10, sliding seat; 11, guiding block; 12, lead screw; 13, guiding groove; 14, electric push rod; 15, first motor; 16, vertical plate; 17, fixing plate; 18, toothed ring; 19, gear; 20, second motor; 21, spring; 22, threaded rotating rod; 23, roller; 24, stop groove; 25, rubber tooth protrusions. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] In order to further understand the content, features and effects of the present utility model, the following embodiments are cited and described in detail in conjunction with the accompanying drawings.

[0023] The structure of the present utility model will be described in detail below with reference to the accompanying drawings.

[0024] Refer to Figures 1 to 4As shown in the figure, a steel structure bridge welding device with a feeding structure provided by an embodiment of the present utility model includes a welding box body 1 and a laser welding head 9. A sliding seat 10 is slidably connected between the front and rear directions at the top inside the welding box body 1. The laser welding head 9 is installed at the bottom of the sliding seat 10. The sliding seat 10 can drive the laser welding head 9 to move in the front and rear directions and the up and down directions. Feeding ports 2 are opened on both sides of the welding box body 1 corresponding to the lower part of the laser welding head 9. Loading components are slidably connected to the feeding ports 2. The loading components include loading frames 3. A support plate 4 is fixedly connected to the bottom of the loading frame 3. Synchronous merging and separating movements can be carried out between the two loading frames 3. Uniformly distributed conveying rollers 6 are connected to the inside of the loading frame 3 through bearings. A clamping plate 5 is sleeved on the conveying roller 6. The bottom inner walls of the clamping plate 5 are fixedly connected through a spring 21. A stop component is installed on the outer wall of the loading frame 3 corresponding to one end of the conveying roller 6. The stop component includes a stop plate 8. The stop plate 8 is inserted tightly onto the end of the conveying roller 6.

[0025] A lead screw 12 is arranged through between the front and rear surfaces of the upper part of the sliding seat 10. The lead screw 12 is in threaded connection with the sliding seat 10. A first motor 15 is fixedly installed on the rear outer wall of the welding box body 1. The front and rear ends of the lead screw 12 are connected to the welding box body 1 through bearings. The rear end of the lead screw 12 penetrates through the welding box body 1 and is fixedly connected to the output end of the first motor 15.

[0026] Adopting the above scheme: When the first motor 15 is started, it drives the sliding seat 10 to move along the lead screw 12, and then it is convenient to drive the laser welding head 9 at the bottom of the sliding seat 10 to perform a linear movement in the front and rear directions, so as to facilitate the laser welding head 9 to weld the steel joints located on the merged loading frames 3.

[0027] A guide block 11 is fixedly connected to the top of the sliding seat 10. A guide groove 13 is opened on the top inside the welding box body 1. The guide groove 13 and the guide block 11 are slidably connected in a matching manner. An electric push rod 14 is fixedly installed inside the sliding seat 10. The upper end of the laser welding head 9 is fixedly connected to the output end of the electric push rod 14.

[0028] Adopting the above scheme: By sliding the guide block 11 along the guide groove 13, it is convenient to guide the moving direction of the sliding seat 10 and avoid the rotation phenomenon of the sliding seat 10. Starting the electric push rod 14 is convenient to drive the laser welding head 9 to perform a linear movement in the up and down directions, and then it is convenient for the laser welding head 9 to move downward to the position of the steel joint for welding operation.

[0029] Two fixing plates 17 are fixedly connected between the front and rear surfaces of the bottom of the welding box body 1. A positive and reverse threaded rod 7 is connected between the middle parts of the fixing plates 17 through bearings. The lower parts of the two support plates 4 are both threadedly sleeved on the positive and reverse threaded rod 7, and the two support plates 4 are respectively located on the positive thread section and the reverse thread section of the positive and reverse threaded rod 7. A toothed ring 18 is sleeved and fixed on the middle part of the corresponding positive and reverse threaded rod 7 between the fixing plates 17. A second motor 20 is fixedly installed at the bottom of the fixing plate 17. The output end of the second motor 20 is fixedly connected with a gear 19. The gear 19 is meshed and connected with the toothed ring 18.

[0030] Adopting the above scheme: The fixing plate 17 facilitates the stable installation of the positive and reverse threaded rod 7 in the welding box body 1. Through the meshing of the toothed ring 18 and the gear 19, when the second motor 20 is started, it is convenient to drive the positive and reverse threaded rod 7 to rotate. When welding work is carried out, two steel materials to be welded are respectively placed on two loading frames 3. After being clamped and fixed, the second motor 20 is started to drive the positive and reverse threaded rod 7 to rotate, and then the two loading frames 3 located on the positive and reverse thread sections move closer to each other until the ends of the loading frames 3 are combined and fitted inside the welding box body 1, and then the two steel materials on them are butt-jointed. The laser welding head 9 can carry out welding work on them. After welding is completed, the positioning assembly is separated from the conveying roller 6. At this time, when using the lifting tool to drag the welded steel material out as a whole, due to the friction force, the conveying roller 6 rolls and quickly conveys the steel material. Whether it is dragged by the lifting tool or manually pulled out, it is time-saving and labor-saving. Finally, control the second motor 20 to rotate in the reverse direction, and then the loading frames 3 move away from each other until the loading frames 3 are separated from the welding box body 1, and then the next operation can be carried out, which is beneficial to improving work efficiency.

[0031] A rubber sleeve is sleeved and fixed on the conveying roller 6. A roller 23 is fixedly connected to the bottom of the support plate 4. The roller 23 rolls along the ground.

[0032] Adopting the above scheme: The rubber sleeve facilitates increasing the friction force of the conveying roller 6. Then, when the positioning assembly inserts and tightens the conveying roller 6, it is convenient to stably place the steel material on the loading frame 3, so that the butt-joint accuracy is high when the steel materials are welded, which is beneficial to improving the welding quality. When the steel material needs to be taken out after welding is completed, the positioning assembly is separated from the conveying roller 6, and then when dragging the steel material, the conveying roller 6 is driven to rotate, and the blanking is fast, convenient, time-saving and labor-saving. And through the roller 23, the support plate 4 drives the loading frame 3 to roll and move, which is convenient, fast, time-saving and labor-saving.

[0033] A vertical plate 16 is fixedly connected to the outer wall of the loading frame 3, and a threaded rotating rod 22 is threadedly connected to the top of the vertical plate 16. The bottom of the threaded rotating rod 22 is connected to the top of the stop plate 8 through a bearing. The bottom of the stop plate 8 is provided with evenly distributed stop grooves 24, and rubber protruding teeth 25 are fixedly connected to the stop grooves 24.

[0034] The above scheme is adopted: when the stop assembly is needed to limit and tighten the conveyor roller 6, the threaded rotating rod 22 is rotated downward to push the stop plate 8 to move downward until the stop groove 24 is driven to be inserted into the end of the conveyor roller 6, and the conveyor roller 6 can be further clamped and fixed through the rubber convex teeth 25, so that the conveyor roller 6 will not rotate, which is convenient for the steel to be firmly clamped on the conveyor roller 6 and accurate positioning during welding. When the conveyor roller 6 needs to be freed from the restriction and needs to be rotated for feeding, at this time, the threaded rotating rod 22 is rotated upward to drive the stop plate 8 to move upward until the stop groove 24 is driven to separate from the end of the conveyor roller 6.

[0035] The working principle of this utility model:

[0036] In the initial state, the spring 21 is in a contracted state so that the clamps 5 are spaced apart from each other in the middle of the conveying roller 6. In the drawings in the specification of the device, the spring 21 is in an extended state. In this state, the steel to be welded has been placed in the loading frame 3. The steel is not shown in the figure in order to better view the structure of the device.

[0037] When welding, the steel is placed on the conveying roller 6 of the loading frame 3, and the steel is clamped between the clamping plates 5, so that the spring 21 is stretched and pushed. At this time, the conveying roller 6 rotates to push the steel, saving time and effort, until the welded part of the steel reaches the end of the loading frame 3, and then the threaded rotating rod 22 is turned downward to drive the stop plate 8 to move downward until the stop groove 24 is inserted and limited at the end of the conveying roller 6, so that the rotation of the conveying roller 6 is stopped. At this time, the steel can be firmly positioned on the loading frame 3, and then the second motor 20 is started. The transmission principle of the gear 19 drives the forward and reverse threaded rods 7 to rotate, so that the two loading frames 3 merge and move until they enter the welding position of the welding box, and then start the electric push rod 14 to drive the laser welding head 9 to reach the steel welding position. Finally, start the first motor 15 to drive the laser welding head 9 to move along the welding seam to perform welding operations. The staff can observe the welding situation through the transparent observation door on the front of the welding box 1. After the work is completed, turn the threaded rotating rod 22 upward to make the stop plate 8 disengage from the conveying roller 6, and drag the welded steel out from the conveying material port 2.

[0038] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel structure bridge welding device with a feeding structure, comprising a welding box (1) and a laser welding head (9), characterized in that: A slide seat (10) is slidably connected between the front and rear directions of the top of the welding box (1), and a laser welding head (9) is installed at the bottom of the slide seat (10). The slide seat (10) can drive the laser welding head (9) to move in the front and rear directions and in the up and down directions. A conveying port (2) is provided on both sides of the welding box (1) corresponding to the lower side of the laser welding head (9), and a loading assembly is slidably connected to the conveying port (2). The loading assembly includes a loading frame (3), and the bottom of the loading frame (3) is fixedly connected A support plate (4) is provided, and the two loading frames (3) can perform synchronous merging and separation movements. The interior of the loading frame (3) is connected to uniformly distributed conveying rollers (6) via bearings. A clamping plate (5) is sleeved on the conveying roller (6). The bottom inner walls of the clamping plate (5) are fixedly connected via a spring (21). A stop assembly is installed on the outer wall of the loading frame (3) corresponding to one end of the conveying roller (6). The stop assembly includes a stop plate (8), and the stop plate (8) is tightly inserted into the end of the conveying roller (6).

2. A steel structure bridge welding device with a feeding structure as claimed in claim 1, characterized in that: A screw rod (12) is provided between the front and rear surfaces of the upper part of the slide seat (10), the screw rod (12) and the slide seat (10) are threadedly connected, a first motor (15) is fixedly mounted on the rear outer wall of the welding box body (1), the front and rear ends of the screw rod (12) are connected to the welding box body (1) via bearings, and the rear end of the screw rod (12) passes through the welding box body (1) and is fixedly connected to the output end of the first motor (15).

3. A steel structure bridge welding device with a feeding structure as claimed in claim 2, characterized in that: A guide block (11) is fixedly connected to the top of the slide seat (10), a guide groove (13) is provided on the inner top of the welding box (1), the guide groove (13) and the guide block (11) are matched and slidably connected, an electric push rod (14) is fixedly installed inside the slide seat (10), and the upper end of the laser welding head (9) is fixedly connected to the output end of the electric push rod (14).

4. A steel structure bridge welding device with a feeding structure as claimed in claim 3, characterized in that: Two fixing plates (17) are fixedly connected between the front and rear surfaces of the bottom of the welding box body (1); a positive and negative threaded rod (7) is connected between the middle parts of the fixing plates (17) via bearings; the lower parts of the two bracket plates (4) are both threadedly sleeved on the positive and negative threaded rod (7), and the two bracket plates (4) are respectively located on the positive thread section and the negative thread section of the positive and negative threaded rod (7); a gear ring (18) is sleeved and fixedly connected to the middle parts of the corresponding positive and negative threaded rods (7) between the fixing plates (17); a second motor (20) is fixedly installed at the bottom of the fixing plates (17); a gear (19) is fixedly connected to the output end of the second motor (20); the gear (19) and the gear ring (18) are meshingly connected.

5. A steel structure bridge welding device with a feeding structure as claimed in claim 4, characterized in that: A rubber sleeve is sleeved and fixed on the conveying roller (6), and a roller (23) is fixedly connected to the bottom of the bracket plate (4), and the roller (23) rolls along the ground.

6. A steel structure bridge welding device with a feeding structure as claimed in claim 5, characterized in that: A vertical plate (16) is fixedly connected to the outer wall of the loading frame (3); a threaded rotating rod (22) is threadedly connected to the top of the vertical plate (16); the bottom of the threaded rotating rod (22) is connected to the top of the stop plate (8) via a bearing; the bottom of the stop plate (8) is provided with evenly distributed stop grooves (24); and rubber protruding teeth (25) are fixedly connected to the stop grooves (24).

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