Pipe welding auxiliary device for fabricated building construction

Abstract

The invention discloses a pipe welding auxiliary device for assembly type building construction, and relates to the technical field of pipe welding assistion.The pipe welding auxiliary device for assembly type building construction comprises a platform, the inner wall of the platform is rotationally connected with the outer wall of a rolling wheel, and the upper side of the platform is fixedly connected with the lower side of a motor. According to the assembly type pipe welding auxiliary device for building construction, when a cable is straightened, an air cylinder is started, the air cylinder pushes a small sleeve to move, a cleaning column is pushed out, the surface of the cable is cleaned, and particle impurities attached to the surface of the cable are swept away, so that the problem that hard particles exist on the surface of the cable, so that the cable is ground and damaged when straightened is solved; the damage probability of the cable is reduced; when the small sleeve moves, the short block is driven to move, the short block extrudes the inclined block, the cable is flexibly clamped through cooperation of the first spring and the fixing piece so as to adapt to fixing of the cables of different sizes, the problem that traditional fixing is difficult to adapt to the cables of different sizes is solved, and the equipment adaptability is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of pipe welding assistance, and particularly to a pipe welding assistance device for prefabricated building construction. Background Technique

[0002] In prefabricated building construction, pipe welding is one of the key links, and its quality directly affects the sealing performance, safety and durability of the building structure. Traditional welding devices rely mostly on manually adjustable clamps or single-direction pressing mechanisms for fixing pipes, which are prone to deviation due to uneven pipe surfaces or external force interference, affecting welding accuracy.

[0003] A pipe welding assistance device for building construction disclosed in the patent publication number CN210908785U relates to the technical field of building construction. It includes a support platform and support columns arranged at the bottom of the support platform. Two transmission devices are symmetrically arranged inside the support platform. The transmission device includes a driving device, a transmission roller and a conveyor belt. The conveyor belt is fixed with a U-shaped bearing seat for placing pipes along its length direction. Threaded holes are arranged on both sides of the U-shaped groove of the U-shaped bearing seat. The bottom of the U-shaped groove is higher than the upper end surface of the support platform and the length direction of the U-shaped groove is perpendicular to the transmission direction of the transmission roller. The support platform is provided with a closed-loop groove, forming a structure in which the driving device drives the transmission roller to drive the U-shaped bearing seat on the conveyor belt to move along the closed-loop groove. Among them, the driving devices of the two transmission devices are synchronously driven, solving the problem that the existing pipe welding assistance device cannot automatically unload the pipes that have completed welding, and the manual unloading of pipes takes a long time and has low efficiency.

[0004] The above-mentioned pipe welding assistance device for building construction fails to consider the situation where two pipes to be welded are not centered and aligned. If relying on manual calibration, the efficiency is low and the error rate is high, resulting in poor welding accuracy, poor quality of the welded products, and unnecessary losses. In view of this, a pipe welding assistance device for prefabricated building construction is proposed. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a pipe welding assistance device for prefabricated building construction, which solves the problems raised in the above background technique.

[0006] To achieve the above object, the present invention is realized by the following technical solutions: A pipe welding auxiliary device for prefabricated building construction, including a support table, the upper side of the support table is fixedly connected to the lower end of a support frame, the front side of the support frame is fixedly connected to the rear end of a welding cylinder, the output end of the welding cylinder is fixedly connected to the upper end of a welding torch, the upper side of the support table is fixedly connected to the lower end of a clamping cylinder, the output end of the clamping cylinder is fixedly connected to the inner wall of a clamping piece, a centering mechanism for pressing the pipe in the center is arranged on the upper side of the support table, a protection mechanism for preventing sparks from splashing during welding is arranged on the upper side of the support table, and an air-cooling mechanism for cooling the welding torch is arranged on the upper side of the support table; Among them, the pressing and centering mechanism includes an L-shaped piece, a compression spring, an inclined slider, a sliding rod, a short rod, a rubber roller, a short block, a return spring and a knocking block; the side end of the clamping piece is fixedly connected to the inner end of the L-shaped piece.

[0007] According to the above technical solution, the lower end of the L-shaped piece is fixedly connected to one end of the compression spring, the other end of the compression spring is fixedly connected to the upper end of the inclined slider, and the inner side of the inclined slider is slidably connected to the outer side of the L-shaped piece, so that the inclined surface of the inclined slider presses the pipe through the compression of the compression spring for fixation.

[0008] According to the above technical solution, the inner side of the L-shaped piece is fixedly connected to the outer side of the sliding rod, the inner wall of the inclined slider is rotatably connected to the outer wall of the short rod, the outer wall of the short rod is fixedly connected to the inner wall of the rubber roller, and the outer wall of the short rod is fixedly connected to the inner wall of the short block, so that when the sliding rod presses the rubber roller, the rubber roller rotates on the short rod through friction.

[0009] According to the above technical solution, the inner wall of the short block is fixedly connected to one end of the return spring, the other end of the return spring is fixedly connected to the inner wall of the knocking block, and the outer wall of the knocking block is slidably connected to the inner wall of the short block, so that when the knocking block hits the pipe, it can slide into the short block and pop out under the action of the return spring when it breaks away from the pipe.

[0010] According to the above technical solution, the protection mechanism includes a pressing inclined block, a protection frame, a through groove, a pulling spring, a fixed block and a fixing plate, and the inner side of the L-shaped piece is fixedly connected to the outer side of the pressing inclined block.

[0011] According to the above technical solution, the inner side of the support frame is fixedly connected to the outer side of the fixing plate, the outer side of the fixing plate is slidably connected to the inner side of the protection frame, a through groove is opened on the protection frame, the outer side of the support frame is fixedly connected to the inner end of the fixed block, the lower end of the fixed block is fixedly connected to one end of the pulling spring, and the other end of the pulling spring is fixedly connected to the inner wall of the protection frame, so that when the protection frame drops, the equipment can be accommodated through the through groove.

[0012] According to the above technical solution, the air-cooling mechanism includes a connecting rod, an L-shaped plate, a sliding cylinder, a sliding groove and a compressed air pipe, and the inner side of the protection frame is fixedly connected to the outer end of the connecting rod.

[0013] According to the above technical solution, the front end of the connecting rod is fixedly connected to the rear end of the L-shaped plate, the outer side of the fixing plate is fixedly connected to the inner side of the sliding cylinder, and the inner wall of the sliding cylinder is slidably connected to the outer wall of the L-shaped plate. A sliding groove is provided on the sliding cylinder, and the outer side of the sliding cylinder is fixedly connected to the inner end of the compressed air pipe, and the inside of the sliding cylinder and the compressed air pipe is communicated, so that when the connecting rod falls following the L-shaped piece, it can slide in the sliding groove. The compressed air pipe adopts a structure with a smaller outer diameter and a wider inner diameter, making the wind force more concentrated.

[0014] The present invention provides a pipe welding auxiliary device for prefabricated building construction. It has the following beneficial effects: (1) By setting a pressing and centering mechanism in the present invention, after the two pipes to be welded are placed, the clamping cylinder is started, so that the clamping pieces clamp the pipes. During this process, the clamping pieces drive the L-shaped pieces to move synchronously. At this time, the inclined sliders move inward and contact the other pipe, so that the other pipe is squeezed and centered by the inclined sliders, and is pressed against the other pipe under the action of the compression spring, solving the problems of misalignment of the two pipes during welding and poor stability during welding, thereby improving the quality of the welded pipes; when the inclined sliders contact the other pipe, the inclined sliders are squeezed and slide upward, contact the sliding rod, cause the sliding rod to rub against the rubber roller, make the rubber roller rotate, and drive the short block to rotate through the short rod. Under the action of the return spring, the other pipe is continuously knocked, so that the slag on the cut surface of the other pipe falls off, solving the problem that the slag on the cut surface of the pipe causes a decrease in welding strength and improving the tensile strength at the welded joint of the pipe.

[0015] (2) By setting a protection mechanism in the present invention, when the L-shaped pieces move inward, the extrusion inclined blocks move, and the inclined surfaces of the extrusion inclined blocks squeeze the inclined surfaces of the protection frame, causing the protection frame to fall and cover the sparks generated at the welding point, solving the problem of sparks splashing during welding and improving the safety during work.

[0016] (3) By setting an air-cooling mechanism in the present invention, after welding is completed, the protection frame moves upward under the action of the pulling spring, causing the connecting rod to move upward synchronously, driving the L-shaped plate to move upward synchronously, squeezing the air in the sliding cylinder, so that the air in the sliding cylinder is squeezed and sprayed onto the welding torch through the compressed air pipe to air-cool the welding torch, solving the problem that the welding torch is still very hot after welding is completed and improving the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic diagram of a partial cross-sectional structure of the present invention; Figure 3 Schematic structural diagram of the pressing centering mechanism of the present invention; Figure 4 Partial structural schematic diagram of the pressing centering mechanism of the present invention; Figure 5 Schematic structural diagram of the air cooling mechanism of the present invention.

[0018] In the figure: 1, support table; 2, support frame; 3, welding cylinder; 4, welding torch; 5, clamping cylinder; 6, clamping piece; 7, centering mechanism; 701, L piece; 702, extrusion spring; 703, inclined slider; 704, sliding rod; 705, short rod; 706, rubber roller; 707, short block; 708, return spring; 709, knocking block; 8, protection mechanism; 801, extrusion inclined block; 802, protection frame; 803, through groove; 804, pulling spring; 805, fixed block; 806, fixed plate; 9, air cooling mechanism; 901, connecting rod; 902, L plate; 903, sliding cylinder; 904, sliding groove; 905, compressed air pipe. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-5 , an embodiment of the present invention is: a pipe welding auxiliary device for prefabricated building construction, including a support table 1, the upper side of the support table 1 is fixedly connected to the lower end of the support frame 2, the front side of the support frame 2 is fixedly connected to the rear end of the welding cylinder 3, the output end of the welding cylinder 3 is fixedly connected to the upper end of the welding torch 4, the upper side of the support table 1 is fixedly connected to the lower end of the clamping cylinder 5, the output end of the clamping cylinder 5 is fixedly connected to the inner wall of the clamping piece 6, and a centering mechanism 7 for pressing the pipe in the center is arranged on the upper side of the support table 1; Among them, the pressing and centering mechanism 7 includes an L-shaped piece 701, a compression spring 702, an inclined slider 703, a sliding rod 704, a short rod 705, a rubber roller 706, a short block 707, a return spring 708, and a knocking block 709; the side end of the clamping piece 6 is fixedly connected to the inner end of the L-shaped piece 701, the lower end of the L-shaped piece 701 is fixedly connected to one end of the compression spring 702, the other end of the compression spring 702 is fixedly connected to the upper end of the inclined slider 703, and the inner side of the inclined slider 703 is slidably connected to the outer side of the L-shaped piece 701, so that the inclined surface of the inclined slider 703 presses and fixes the pipe through the extrusion of the compression spring 702. The inner side of the L-shaped piece 701 is fixedly connected to the outer side of the sliding rod 704, the inner wall of the inclined slider 703 is rotatably connected to the outer wall of the short rod 705, the outer wall of the short rod 705 is fixedly connected to the inner wall of the rubber roller 706, and the outer wall of the short rod 705 is fixedly connected to the inner wall of the short block 707. When the sliding rod 704 presses the rubber roller 706, the rubber roller 706 rotates on the short rod 705 through friction. The inner wall of the short block 707 is fixedly connected to one end of the return spring 708, the other end of the return spring 708 is fixedly connected to the inner wall of the knocking block 709, and the outer wall of the knocking block 709 is slidably connected to the inner wall of the short block 707, so that when the knocking block 709 hits the pipe, it can slide into the short block 707 and pop out under the action of the return spring 708 when it separates from the pipe.

[0021] In the present invention, by setting the pressing and centering mechanism 7, after the two pipes to be welded are placed, the clamping cylinder 5 is started, so that the clamping piece 6 clamps the pipes. During this process, the clamping piece 6 drives the L-shaped piece 701 to move synchronously. At this time, the inclined slider 703 moves inward and contacts with the other pipe, so that the other pipe is squeezed and centered by the inclined slider 703 and is pressed against the other pipe under the action of the compression spring 702, solving the problems of misalignment of the two pipes during welding and poor stability during welding, thereby improving the quality of the welded pipes. When the inclined slider 703 contacts with the other pipe, the inclined slider 703 is squeezed and slides upward, contacts with the sliding rod 704, makes the sliding rod 704 rub against the rubber roller 706, makes the rubber roller 706 rotate, and drives the short block 707 to rotate through the short rod 705. Under the action of the return spring 708, the other pipe is continuously knocked, so that the slag on the cut surface of the other pipe falls off, solving the problem that the slag on the cut surface of the pipe causes the decrease of the welding strength and improving the tensile strength of the welded part of the pipe.

[0022] During the operation of this embodiment: Start the clamping cylinder 5, so that the clamping cylinder 5 pushes the clamping piece 6. When the clamping piece 6 is pushed, the clamping piece 6 clamps the pipe. At this time, the clamping piece 6 drives the L piece 701 to move inward synchronously. When the clamping piece 6 drives the L piece 701 to move inward, the L piece 701 drives the compression spring 702 to move. When the L piece 701 drives the compression spring 702 to move, the L piece 701 drives the inclined slider 703 to move. When the L piece 701 drives the inclined slider 703 to move, the inclined slider 703 touches another pipe placed correspondingly. When the inclined slider 703 touches the other pipe to be welded, the other pipe is centered, and the inclined slider 703 presses and stabilizes the other pipe under the action of the compression spring 702; when the inclined slider 703 touches the other pipe, affected by the other pipe, the extrusion return spring 708 moves upward. When the inclined slider 703 squeezes the return spring 708 upward and approaches the sliding rod 704, when the inclined slider 703 approaches the sliding rod 704, the sliding rod 704 rubs against the rubber roller 706. When the sliding rod 704 rubs against the rubber roller 706, the rubber roller 706 rotates. When the rubber roller 706 rotates, the rubber roller 706 drives the short rod 705 to rotate. When the short rod 705 rotates, the short rod 705 drives the short block 707 to rotate. When the short block 707 rotates, the short block 707 drives the knocking block 709 to rotate. When the short block 707 drives the knocking block 709 to rotate, the knocking block 709 impacts the other pipe. When the knocking block 709 impacts the other pipe, the knocking block 709 squeezes the other pipe. At this time, the knocking block 709 is squeezed, squeezing the compression return spring 708 and retracting into the inner wall of the short block 707 until the knocking block 709 passes over the other pipe. The knocking block 709 that loses the extrusion no longer squeezes the return spring 708. At this time, the return spring 708 resets. When the return spring 708 resets, it pushes the knocking block 709 out of the short block 707 for the next circle of knocking, so as to continuously knock the other pipe and knock off the slag and rust remaining on the cut surface of the other pipe. After that, start the welding cylinder 3, so that the welding cylinder 3 pushes out the welding torch 4. When the welding cylinder 3 pushes out the welding torch 4, the welding torch 4 welds the joint of the two pipes.

[0023] Please refer to Figures 1-5, on the basis of the above embodiments, in another embodiment of the present invention, a protection mechanism 8 for preventing sparks from splashing during welding is provided on the upper side of the support table 1, and an air-cooling mechanism 9 for cooling the welding torch 4 is provided on the upper side of the support table 1. The protection mechanism 8 includes a pressing inclined block 801, a protection frame 802, a through groove 803, a pulling spring 804, a fixed block 805 and a fixing plate 806. The inner side of the L-shaped piece 701 is fixedly connected to the outer side of the pressing inclined block 801, the inner side of the support frame 2 is fixedly connected to the outer side of the fixing plate 806, the outer side of the fixing plate 806 is slidably connected to the inner side of the protection frame 802, a through groove 803 is formed in the protection frame 802, the outer side of the support frame 2 is fixedly connected to the inner end of the fixed block 805, the lower end of the fixed block 805 is fixedly connected to one end of the pulling spring 804, and the other end of the pulling spring 804 is fixedly connected to the inner wall of the protection frame 802.

[0024] When the L-shaped piece 701 moves inward, the pressing inclined block 801 is caused to move, and the inclined surface of the pressing inclined block 801 presses the inclined surface of the protection frame 802, causing the protection frame 802 to fall and cover the sparks generated at the welding point, solving the problem of sparks splashing during welding and improving the safety during work.

[0025] An air-cooling mechanism 9 for cooling the welding torch 4 is provided on the upper side of the support table 1. The air-cooling mechanism 9 includes a connecting rod 901, an L-shaped plate 902, a sliding cylinder 903, a sliding groove 904 and a compressed air pipe 905. The inner side of the protection frame 802 is fixedly connected to the outer end of the connecting rod 901, the front end of the connecting rod 901 is fixedly connected to the rear end of the L-shaped plate 902, the outer side of the fixing plate 806 is fixedly connected to the inner side of the sliding cylinder 903, and the outer wall of the L-shaped plate 902 is slidably connected to the inner wall of the sliding cylinder 903. A sliding groove 904 is formed in the sliding cylinder 903, the outer side of the sliding cylinder 903 is fixedly connected to the inner end of the compressed air pipe 905, and the inside of the sliding cylinder 903 and the compressed air pipe 905 is in communication, so that when the connecting rod 901 follows the L-shaped piece 701 and falls, it can slide in the sliding groove 904. The compressed air pipe 905 has a structure with a smaller outer diameter and a wider inner diameter, making the wind force more concentrated.

[0026] After welding is completed, the protection frame 802 moves upward under the action of the pulling spring 804, causing the connecting rod 901 to move upward synchronously, driving the L-shaped plate 902 to move upward synchronously, squeezing the air in the sliding cylinder 903, so that the air in the sliding cylinder 903 is squeezed and sprayed onto the welding torch 4 through the compressed air pipe 905 to air-cool the welding torch 4, solving the problem that the welding torch 4 is still very hot after welding is completed and improving the service life of the equipment.

[0027] When the L piece 701 moves inward, it drives the extrusion inclined block 801 to move inward. When the extrusion inclined block 801 moves inward, the inclined surface of the extrusion inclined block 801 presses against the inclined surface of the protection frame 802, causing the protection frame 802 to slide downward on the fixed plate 806 to cover the sparks generated during welding. When the protection frame 802 moves downward, the through groove 803 moves downward to accommodate the equipment on the support table 1; conversely, when welding the outer wall, the clamping cylinder 5 drives the L piece 701 to reset and makes the extrusion inclined block 801 move outward. When the extrusion inclined block 801 moves outward, the inclined surface of the extrusion inclined block 801 no longer presses against the inclined surface of the protection frame 802. At this time, the pulling spring 804 on the fixed block 805 is compressed. When the pulling spring 804 on the fixed block 805 compresses and resets, it drags the protection frame 802 to slide on the fixed plate 806 to protect the unused welding torch 4.

[0028] When the protection frame 802 moves upward, it drives the connecting rod 901 to move upward. When the connecting rod 901 moves upward, the connecting rod 901 slides in the chute 904. When the connecting rod 901 moves upward, the connecting rod 901 drives the L plate 902 to move upward. When the connecting rod 901 drives the L plate 902 to move upward, the L plate 902 slides on the inner wall of the sliding cylinder 903. When the L plate 902 slides in the sliding cylinder 903, the L plate 902 presses the air in the sliding cylinder 903. When the L plate 902 presses the air in the sliding plate 903, the air in the sliding plate 903 passes through the compression air pipe 905. When the air in the sliding plate 903 passes through the compression air pipe 905, the pressurized air cools the welding torch 4 by air cooling.

[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood 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. An auxiliary device for pipe welding in prefabricated building construction, including a support table (1), characterized in that: The upper side of the support table (1) is fixedly connected to the lower end of the support frame (2). The front side of the support frame (2) is fixedly connected to the rear end of the welding cylinder (3). The output end of the welding cylinder (3) is fixedly connected to the upper end of the welding torch (4). The upper side of the support table (1) is fixedly connected to the lower end of the clamping cylinder (5). The output end of the clamping cylinder (5) is fixedly connected to the inner wall of the clamping piece (6). A centering mechanism (7) for centering and pressing the pipe is arranged on the upper side of the support table (1). A protection mechanism (8) for preventing sparks from splashing during welding is arranged on the upper side of the support table (1). An air-cooling mechanism (9) for cooling the welding torch (4) is arranged on the upper side of the support table (1). Among them, the pressing and centering mechanism (7) includes an L-shaped piece (701), a compression spring (702), an inclined slider (703), a sliding rod (704), a short rod (705), a rubber roller (706), a short block (707), a return spring (708) and a knocking block (709). The side end of the clamping piece (6) is fixedly connected to the inner end of the L-shaped piece (701).

2. The pipe welding auxiliary device for prefabricated building construction according to claim 1, characterized in that: The lower end of the L-shaped piece (701) is fixedly connected to one end of the compression spring (702). The other end of the compression spring (702) is fixedly connected to the upper end of the inclined slider (703), and the inner side of the inclined slider (703) is slidably connected to the outer side of the L-shaped piece (701).

3. The pipe welding auxiliary device for prefabricated building construction according to claim 2, characterized in that: The inner side of the L-shaped piece (701) is fixedly connected to the outer side of the sliding rod (704). The inner wall of the inclined slider (703) is rotatably connected to the outer wall of the short rod (705). The outer wall of the short rod (705) is fixedly connected to the inner wall of the rubber roller (706). The outer wall of the short rod (705) is fixedly connected to the inner wall of the short block (707).

4. The pipe welding auxiliary device for prefabricated building construction according to claim 1, characterized in that: The inner wall of the short block (707) is fixedly connected to one end of the return spring (708). The other end of the return spring (708) is fixedly connected to the inner wall of the knocking block (709), and the outer wall of the knocking block (709) is slidably connected to the inner wall of the short block (707).

5. The pipe welding auxiliary device for prefabricated building construction according to claim 4, characterized in that: The protection mechanism (8) includes a pressing inclined block (801), a protection frame (802), a through groove (803), a pulling spring (804), a fixing block (805) and a fixing plate (806). The inner side of the L-shaped piece (701) is fixedly connected to the outer side of the pressing inclined block (801).

6. The pipe welding auxiliary device for prefabricated building construction according to claim 5, characterized in that: The inner side of the support frame (2) is fixedly connected to the outer side of the fixing plate (806). The outer side of the fixing plate (806) is slidably connected to the inner side of the protection frame (802). A through groove (803) is formed on the protection frame (802). The outer side of the support frame (2) is fixedly connected to the inner end of the fixing block (805). The lower end of the fixing block (805) is fixedly connected to one end of the pulling spring (804), and the other end of the pulling spring (804) is fixedly connected to the inner wall of the protection frame (802).

7. An auxiliary device for pipe welding in the construction of prefabricated buildings according to claim 1, characterized in that: The air-cooling mechanism (9) includes a connecting rod (901), an L-shaped plate (902), a sliding cylinder (903), a sliding groove (904) and a compressed air pipe (905). The inner side of the protection frame (802) is fixedly connected to the outer end of the connecting rod (901).

8. An auxiliary device for pipe welding in the construction of prefabricated buildings according to claim 7, characterized in that: The front end of the connecting rod (901) is fixedly connected to the rear end of the L-shaped plate (902). The outer side of the fixed plate (806) is fixedly connected to the inner side of the sliding cylinder (903), and the inner wall of the sliding cylinder (903) is slidably connected to the outer wall of the L-shaped plate (902). A sliding groove (904) is formed in the sliding cylinder (903). The outer side of the sliding cylinder (903) is fixedly connected to the inner end of the compressed air pipe (905), and the interiors of the sliding cylinder (903) and the compressed air pipe (905) are in communication with each other.

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