Auxiliary welding device for pipe fitting joint

Abstract

The utility model relates to the technical field of pipe fitting joint welding, and discloses a pipe fitting joint welding auxiliary device which comprises a machining table, the side of the lower end of the machining table is fixedly connected with supporting foot columns, the upper end of the machining table is provided with a clamping frame, and the clamping frame and the machining table are movably connected through an adjusting assembly. A clamping tool is arranged at the upper end of the clamping frame, and a rotating assembly is arranged on the side of the lower end of the clamping frame. According to the auxiliary welding device for the pipe fitting connector, a first driving motor is used for driving a transmission rod to rotate, so that a moving block drives a connecting frame to move, two clamping frames are drawn close to each other or separated from each other, the distance between the clamping frames is conveniently adjusted, the auxiliary welding device is suitable for pipe fitting connectors of different sizes, and practicability is improved; and meanwhile, smoke generated by welding is sucked away through the dust suction hood, smoke diffusion and environment pollution are prevented, the smoke is fed into the dust removal box and filtered through the filter screen, dust and harmful gas in the smoke are removed, and safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe joint welding, in particular to a welding auxiliary device for pipe joints. Background Art

[0002] Pipe fittings are a general term for parts in pipeline systems that play the role of connection, control, direction change, diversion, sealing, support, etc. Metal pipes are also common pipe fittings in pipelines. When welding pipe fittings, since the weld is a ring, workers can generally only complete it by welding several times. The weld generates superimposed stress due to multiple welding, the grain structure in the weld becomes coarser, the mechanical properties decrease, affecting the service life of the product, and the weld is uneven and not beautiful enough. Therefore, the welding process can be assisted by welding auxiliary devices, which can facilitate the welding work of pipe fittings.

[0003] According to the search (CN203541949U), a welding auxiliary device for pipe joints is disclosed, including a machine base, a reduction box, a speed regulating motor, a pneumatic chuck and a control cabinet; the reduction box is horizontally arranged on the machine base; the input end of the reduction box is provided with the speed regulating motor, and the output end thereof is provided with the pneumatic chuck; the control cabinet is fixed on the upper surface of the reduction box, the control cabinet is electrically connected to the speed regulating motor, and the control cabinet is electrically connected to the pneumatic chuck. Through the above technical scheme, the utility model can complete the entire annular weld at one time, the weld is neat and beautiful, there is no superimposed stress, and the grains in the weld structure are slender, the mechanical properties are good, the weld is strong and reliable, and the service life of the product is not affected.

[0004] However, the existing welding auxiliary devices for pipe joints have poor flexibility, are inconvenient for butt jointing between workpieces, and generate some smoke and dust during welding, which pollutes the processing environment and has low practicality. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the shortcomings of the prior art, the utility model provides a welding auxiliary device for pipe joints to solve the problems of poor flexibility of the existing welding auxiliary device for pipe joints proposed in the above background technology, inconvenient docking between workpieces, and some smoke and dust will be generated during welding, resulting in pollution of the processing environment and low practicality.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welding auxiliary device for pipe joints, comprising a processing table, a supporting leg is fixedly connected to the side of the lower end of the processing table, a clamping frame is arranged at the upper end of the processing table, the clamping frame and the processing table are movably connected through an adjustment component, a clamping tool is arranged at the upper end of the clamping frame, a rotating component is arranged at the side of the lower end of the clamping frame, a mounting rail is fixedly connected to the rear side of the upper end of the processing table, a dust removal component is installed at the upper end of the mounting rail, and a dust removal box is fixedly installed at the rear end of the processing table;

[0009] The clamping tool is designed in an annular structure, and an installation groove is opened on the inner side of the clamping tool. Four installation grooves are distributed in an annular array with the center of the clamping tool. A telescopic cylinder is fixedly installed in the installation groove, and a clamping plate is fixedly connected to the output end of the telescopic cylinder. The clamping plate is designed in an arc-shaped structure. A gear groove is opened on the surface of the outer side of the clamping tool.

[0010] Preferably, two clamping frames are symmetrically arranged about the vertical center line of the processing table, and a positioning groove is opened at the upper end of the clamping frame. The positioning groove and the clamping tool are slidably connected to facilitate driving the clamping tool to rotate, drive the pipe joint to rotate during welding, and facilitate welding processing.

[0011] Preferably, the adjustment assembly includes a mounting plate, a transmission rod, a drive motor 1, a moving block, a connecting frame and a slide groove, the left and right sides of the lower end of the processing table are fixedly connected with the mounting plates, the two mounting plates are rotatably connected with the transmission rod through a bearing, the left end of the processing table is fixedly mounted with a drive motor 1, the output end of the drive motor 1 and the left end of the transmission rod are fixedly connected, a moving block is provided on the surface of the transmission rod, the lower end of the moving block is fixedly connected with the connecting frame, and slide grooves are provided on the front and rear sides of the surface of the processing table to facilitate the adjustment of the spacing between the two clamping frames and to facilitate the adaptation of pipe joints of different sizes.

[0012] Preferably, a first thread groove and a second thread groove are distributed on the left and right sides of the surface of the transmission rod, two moving blocks are symmetrically arranged about the vertical center line of the transmission rod, and the two moving blocks are threadedly connected to the first thread groove and the second thread groove respectively, and the connecting frame is designed in a U-shaped structure, and the front and rear sides of the upper end of the connecting frame are slidably connected to the slide groove, and the upper end of the connecting frame is fixedly connected to the clamping frame, and the driving motor is used to drive the transmission rod to rotate, so that the moving block drives the connecting frame to move, thereby realizing the adjustment of the distance between the two clamping frames.

[0013] Preferably, the rotating assembly includes a second driving motor, a mounting shaft and a driving gear. The second driving motor is fixedly mounted on the side of the lower end of the clamping frame via a connecting plate. The output end of the second driving motor is fixedly connected to the mounting shaft. The mounting shaft and the clamping frame are rotatably connected via a bearing. The surface of the mounting shaft is located on the inner side of the clamping frame and is fixedly connected to a driving gear. The driving gear is meshingly connected to the gear groove. The driving motor belt 2 drives the driving gear to rotate, thereby driving the clamping tooling to rotate, which facilitates the synchronous rotation of the pipe joint during welding and ensures the quality of the weld.

[0014] Preferably, the dust removal assembly includes a sliding seat, a connecting rod and a dust hood, the upper end of the sliding seat is fixedly connected to the connecting rod, the upper end of the connecting rod is fixedly connected to the dust hood, the sliding seat and the mounting guide rail are slidably connected, the rear side of the sliding seat is threadedly connected with a locking bolt, and the smoke generated by welding is sucked away through the dust hood to prevent the smoke from spreading and polluting the environment.

[0015] Preferably, the upper end of the dust removal box and the dust hood are connected to each other through a pipeline, a dust removal fan is provided at the lower end of the inner side of the dust removal box, and a filter is provided at the upper end of the inner side of the dust removal box. The filter is composed of a dust removal filter and an activated carbon adsorption filter, so as to filter and remove dust from smoke and remove odor and harmful gases.

[0016] Compared with the prior art, the utility model provides a welding auxiliary device for pipe joints, which has the following beneficial effects:

[0017] 1. The welding auxiliary device of the pipe joint utilizes a driving motor to drive the transmission rod to rotate, so that the moving block drives the connecting frame to move, so that the two clamping frames are moved closer to or separated from each other, which is convenient for adjusting the distance between the clamping frames, adapting to pipe joints of different sizes, and improving practicality.

[0018] 2. The welding auxiliary device of the pipe joint absorbs the smoke generated by welding through the dust hood to prevent the smoke from spreading and polluting the environment, and sends the smoke into the dust removal box for filtering through the filter net to remove dust and harmful gases in the smoke, thereby improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0020] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the clamping frame of the utility model;

[0022] Figure 4It is a schematic diagram of the cross-sectional structure of the dust removal box of the utility model.

[0023] In the figure: 1. Processing table; 2. Supporting foot column; 3. Clamping frame; 31. Positioning groove; 4. Adjusting assembly; 41. Mounting plate; 42. Transmission rod; 421. First thread groove; 422. Second thread groove; 43. Driving motor one; 44. Moving block; 45. Connecting frame; 46. Slide groove; 5. Clamping tool; 51. Mounting groove; 52. Telescopic cylinder; 53. Clamping plate; 54. Gear groove; 6. Rotating assembly; 61. Driving motor two; 62. Mounting shaft; 63. Driving gear; 7. Mounting guide rail; 8. Dust removal assembly; 81. Sliding seat; 811. Locking bolt; 82. Connecting rod; 83. Dust hood; 9. Dust removal box; 91. Dust removal fan; 92. Filter. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4The utility model provides a technical solution: a welding auxiliary device for pipe joints, including a processing table 1, a supporting foot column 2 is fixedly connected to the side of the lower end of the processing table 1, a clamping frame 3 is arranged at the upper end of the processing table 1, the clamping frame 3 and the processing table 1 are movably connected through an adjusting component 4, the adjusting component 4 includes a mounting plate 41, a transmission rod 42, a driving motor 43, a moving block 44, a connecting frame 45 and a slide 46, the left and right sides of the lower end of the processing table 1 are fixedly connected with the mounting plates 41, the two mounting plates 41 are rotatably connected with the transmission rod 42 through a bearing, the left end of the processing table 1 is fixedly installed with a driving motor 43, the output end of the driving motor 43 is fixedly connected to the left end of the transmission rod 42, the surface of the transmission rod 42 is provided with a moving block 44, and the lower end of the moving block 44 is fixedly connected with a connecting rod 46. The connecting frame 45 has slide grooves 46 on both the front and rear sides of the surface of the processing table 1, and the first thread groove 421 and the second thread groove 422 are distributed on the left and right sides of the surface of the transmission rod 42. Two moving blocks 44 are symmetrically arranged about the vertical center line of the transmission rod 42, and the two moving blocks 44 are respectively threadedly connected with the first thread groove 421 and the second thread groove 422. The connecting frame 45 is designed in a U-shaped structure. The front and rear sides of the upper end of the connecting frame 45 are slidably connected with the slide groove 46. The upper end of the connecting frame 45 is fixedly connected to the clamping frame 3. The driving motor 43 is used to drive the transmission rod 42 to rotate, so that the moving block 44 drives the connecting frame 45 to move, so that the two clamping frames 3 are brought closer to or separated from each other, which is convenient for adjusting the spacing between the clamping frames 3, adapting to pipe joints of different sizes, and improving practicality.

[0026] A clamping fixture 5 is provided at the upper end of the clamping frame 3, and two clamping frames 3 are symmetrically provided with respect to the vertical center line of the processing table 1. A positioning groove 31 is provided at the upper end of the clamping frame 3, and the positioning groove 31 is slidably connected to the clamping fixture 5. The clamping fixture 5 is designed in an annular structure, and a mounting groove 51 is provided on the inner side of the clamping fixture 5. There are four mounting grooves 51 distributed in an annular array with the center of the clamping fixture 5. A telescopic cylinder 52 is fixedly installed in the mounting groove 51, and a clamping plate 53 is fixedly connected to the output end of the telescopic cylinder 52. The clamping plate 53 is designed in an arc-shaped structure. A gear groove 54 is provided on the surface of the outer side of the clamping fixture 5. A rotating assembly 6 is provided on the side of the lower end of the clamping frame 3, and the rotating assembly 6 includes a driving motor 6 1. Install the shaft rod 62 and the driving gear 63. The side of the lower end of the clamping frame 3 is fixedly installed with a driving motor 2 61 through a connecting plate. The output end of the driving motor 2 61 is fixedly connected with the installation shaft rod 62. The installation shaft rod 62 and the clamping frame 3 are rotatably connected through a bearing. The surface of the installation shaft rod 62 is located on the inner side of the clamping frame 3 and is fixedly connected with a driving gear 63. The driving gear 63 and the gear groove 54 are meshed and connected. Put the pipe joint into the clamping fixture 5, and push the clamping plate 53 to fit on the surface of the pipe joint through the telescopic cylinder 52 to achieve clamping and fixing. During welding, the driving motor 2 61 drives the driving gear 63 to rotate, thereby driving the clamping fixture 5 to rotate synchronously, which is convenient for welding work.

[0027] The rear side of the upper end of the processing table 1 is fixedly connected with a mounting guide rail 7, and a dust removal assembly 8 is installed on the upper end of the mounting guide rail 7. The dust removal assembly 8 includes a slide 81, a connecting rod 82 and a dust hood 83. The upper end of the slide 81 is fixedly connected with a connecting rod 82, and the upper end of the connecting rod 82 is fixedly connected with a dust hood 83. The slide 81 and the mounting guide rail 7 are slidably connected, and a locking bolt 811 is threadedly connected to the rear side of the slide 81. A dust removal box 9 is fixedly installed at the rear end of the processing table 1. The upper end of the dust removal box 9 and the dust hood 83 are connected to each other through a pipeline. A dust removal fan 91 is arranged at the lower end of the inner side of the dust removal box 9, and a filter screen 92 is arranged at the upper end of the inner side of the dust removal box 9. The filter screen 92 consists of a dust removal filter screen and an activated carbon adsorption filter screen. The smoke generated by welding is sucked away through the dust hood 83 to prevent the smoke from spreading and polluting the environment, and the smoke is sent into the dust removal box 9, filtered through the filter screen 92, and dust and harmful gases in the smoke are removed, thereby improving safety.

[0028] Working principle: First, when in use, the driving motor 1 43 is used to drive the transmission rod 42 to rotate, so that the moving block 44 drives the connecting frame 45 to move, so that the two clamping frames 3 are brought closer to or separated from each other, which is convenient for adjusting the spacing between the clamping frames 3 and adapting to pipe joints of different sizes, thereby improving practicality. After the adjustment is completed, the pipe joint is placed in the clamping fixture 5, and the clamping plate 53 is pushed to fit the surface of the pipe joint through the telescopic cylinder 52 to achieve clamping and fixing. During welding, the driving motor 2 61 is used to drive the active gear 63 to rotate, thereby driving the clamping fixture 5 to rotate synchronously, thereby facilitating the welding work. At the same time, during welding, the dust hood 83 is used to absorb the smoke generated by welding to prevent the smoke from spreading and polluting the environment, and the smoke is sent to the dust removal box 9, filtered through the filter 92 to remove dust and harmful gases in the smoke, thereby improving safety.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding auxiliary device for a pipe joint, comprising a processing table (1), characterized in that: The side of the lower end of the processing table (1) is fixedly connected to a supporting foot column (2), the upper end of the processing table (1) is provided with a clamping frame (3), the clamping frame (3) and the processing table (1) are movably connected via an adjustment component (4), the upper end of the clamping frame (3) is provided with a clamping tool (5), the side of the lower end of the clamping frame (3) is provided with a rotating component (6), the rear side of the upper end of the processing table (1) is fixedly connected to a mounting rail (7), the upper end of the mounting rail (7) is installed with a dust removal component (8), and the rear end of the processing table (1) is fixedly installed with a dust removal box (9); The clamping fixture (5) is designed in an annular structure. A mounting groove (51) is provided on the inner side of the clamping fixture (5). Four mounting grooves (51) are distributed in an annular array with the center of the clamping fixture (5). A telescopic cylinder (52) is fixedly installed in the mounting groove (51). A clamping plate (53) is fixedly connected to the output end of the telescopic cylinder (52). The clamping plate (53) is designed in an arc-shaped structure. A gear groove (54) is provided on the outer surface of the clamping fixture (5).

2. A welding auxiliary device for a pipe joint according to claim 1, characterized in that: Two clamping frames (3) are symmetrically arranged about the vertical center line of the processing table (1), and a positioning groove (31) is opened at the upper end of the clamping frame (3). The positioning groove (31) is slidably connected to the clamping tool (5).

3. A welding auxiliary device for a pipe joint according to claim 1, characterized in that: The adjustment assembly (4) comprises a mounting plate (41), a transmission rod (42), a driving motor (43), a moving block (44), a connecting frame (45) and a slide groove (46). The left and right sides of the lower end of the processing table (1) are fixedly connected with the mounting plates (41). The two mounting plates (41) are rotatably connected with the transmission rod (42) through a bearing. The left end of the processing table (1) is fixedly mounted with a driving motor (43). The output end of the driving motor (43) is fixedly connected to the left end of the transmission rod (42). The surface of the transmission rod (42) is provided with a moving block (44). The lower end of the moving block (44) is fixedly connected with the connecting frame (45). The front and rear sides of the surface of the processing table (1) are provided with slide grooves (46).

4. A welding auxiliary device for a pipe joint according to claim 3, characterized in that: The transmission rod (42) has a first thread groove (421) and a second thread groove (422) on its left and right sides. Two moving blocks (44) are symmetrically arranged about the vertical center line of the transmission rod (42). The two moving blocks (44) are respectively threadedly connected to the first thread groove (421) and the second thread groove (422). The connecting frame (45) is designed in a U-shaped structure. The front and rear sides of the upper end of the connecting frame (45) are slidably connected to the slide groove (46). The upper end of the connecting frame (45) is fixedly connected to the clamping frame (3).

5. A welding auxiliary device for a pipe joint according to claim 1, characterized in that: The rotating assembly (6) comprises a second driving motor (61), a mounting shaft (62) and a driving gear (63); the second driving motor (61) is fixedly mounted on the side of the lower end of the clamping frame (3) via a connecting plate; the output end of the second driving motor (61) is fixedly connected to the mounting shaft (62); the mounting shaft (62) and the clamping frame (3) are rotatably connected via a bearing; the surface of the mounting shaft (62) is located on the inner side of the clamping frame (3) and is fixedly connected to the driving gear (63); the driving gear (63) is meshingly connected to the gear groove (54).

6. A welding auxiliary device for a pipe joint according to claim 1, characterized in that: The dust removal assembly (8) comprises a sliding seat (81), a connecting rod (82) and a dust hood (83); the upper end of the sliding seat (81) is fixedly connected to the connecting rod (82); the upper end of the connecting rod (82) is fixedly connected to the dust hood (83); the sliding seat (81) and the mounting guide rail (7) are slidably connected; the rear side of the sliding seat (81) is threadedly connected to a locking bolt (811).

7. A welding auxiliary device for a pipe joint according to claim 6, characterized in that: The upper end of the dust removal box (9) and the dust hood (83) are connected to each other through a pipeline, a dust removal fan (91) is arranged at the lower end of the inner side of the dust removal box (9), and a filter screen (92) is arranged at the upper end of the inner side of the dust removal box (9), and the filter screen (92) is composed of a dust removal filter screen and an activated carbon adsorption filter screen.

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