CN220349096U - Automatic welding machine for butt joint of small-caliber pipes - Google Patents

Abstract

The utility model relates to the technical field of pipe welding and discloses an automatic welding machine for butt joint of small-caliber pipes, which comprises a workbench and a welding device, wherein a fixed material roller and a movable material roller are arranged on the workbench, a portal frame is fixed on one side of the workbench, the welding device is slidably arranged on the portal frame, a pressing device II is slidably connected onto the portal frame, the pressing device II is arranged on one side of the fixed material roller, which is away from the workbench, a fixed rod is fixedly arranged on the movable material roller, a pressing device I is slidably connected onto the fixed rod, and four feeding mechanisms are arranged on one side of the workbench, which is away from the portal frame, so that butt joint of pipe fittings to be welded is realized by pushing the two ends of the welding device, and the application range of the welding machine for the pipe length of the welded pipe fittings is improved.

Description

Automatic welding machine for butt joint of small-caliber pipes

Technical Field

The utility model relates to the technical field of pipe welding, in particular to an automatic butt welding machine for small-caliber pipes.

Background

The small-caliber pipe refers to a pipeline with small outer diameter, is widely used for manufacturing various common structural parts and mechanical parts in life, such as protection of conveying pipelines and cables, and is often used by welding and matching two pipes in pipeline application. And (3) welding the two pipe fitting to-be-welded surfaces subjected to groove processing and cleaning through an automatic welding machine, and automatically completing circumferential welding.

At present, the small-bore pipe butt joint automatic welder on the market is provided with the feed bin correspondingly to be provided with the material loading chain that has the pipe material couple, drive through the sprocket and realize automatic feeding, convenient operation has improved welding efficiency, but the pipe fitting realizes the joint of welding face through setting up compressing tightly cylinder object flexible at both ends, has restricted the length of waiting to weld the pipe fitting, and application scope is less.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a small-caliber pipe butt-joint automatic welding machine suitable for welding pipes with various lengths.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a small-bore pipe butt joint automatic weld machine, includes workstation and welding set, be provided with fixed material roller and activity material roller on the workstation, one side of workstation is fixed with the portal frame, welding set slidable mounting is on the portal frame, sliding connection has pressing device two on the portal frame, pressing device two sets up the one side that deviates from the workstation at fixed material roller, be fixed with the dead lever on the activity material roller, sliding connection has pressing device one on the dead lever, four feed mechanisms are installed to one side that deviates from the portal frame to the workstation.

The utility model is further provided with: the movable material roller comprises two mounting plates, wherein a base is jointly fixed on one side of the mounting plates towards the workbench, the base is in sliding connection with the groove, a fixing rod is fixed on the base, a hydraulic rod is installed on one side of the workbench, which is provided with the movable material roller, an output shaft of the hydraulic rod points to the fixed material roller and is provided with a pressure sensor, and the output shaft of the hydraulic rod and the pressure sensor are jointly connected with one mounting plate deviating from the fixed material roller.

The utility model is further provided with: the feeding mechanism comprises a first support and a second support, chain wheels are respectively and rotatably arranged on the first support and the second support, chains are commonly arranged on the chain wheels, a feeding motor is arranged on the first support, the feeding motor is fixedly connected with the corresponding chain wheels on the first support, rockers are respectively and fixedly arranged on the two chain wheels, connecting rods are respectively and rotatably connected with movable ends of the rockers, and a plurality of clamping blocks are uniformly arranged on one side of each connecting rod, which is away from the first support.

The utility model is further provided with: the first support and the second support are arranged at intervals, the first support is smaller than the second support, the connecting rod extends to one side of the fixed material roller, which is away from the workbench, and the clamping block is arranged along the direction perpendicular to the connecting rod.

The utility model is further provided with: the material storage device comprises a workbench, and is characterized in that a material storage table is arranged on one side of the workbench, which faces towards a feeding mechanism, four material storage racks are fixed on the material storage table and the workbench together, the four material storage racks are arranged corresponding to the four feeding mechanisms, the material storage racks are parallel to connecting rods and extend towards fixed material rollers, the maximum distance from one end of the material storage rack, which deviates from the material storage table, to the workbench is equal to the maximum distance from the fixed material rollers to the workbench, a plurality of clamping strips are uniformly arranged on the material storage racks, the clamping strips correspond to clamping blocks one by one, and the clamping strips, which deviate from the material storage table, are flush with the end points of the material storage racks.

The utility model is further provided with: the material storage table is fixedly provided with a partition plate, and a plane where the partition plate is arranged between the fixed material roller and the movable material roller.

The utility model has the advantages that:

1. the movable material roller is pushed by the hydraulic rod, two pipe fittings to be welded are respectively placed on the fixed material roller and the movable material roller, the two material pressing devices are started to respectively fix the two pipe fittings, the hydraulic rod is controlled to push the movable material roller to move towards the fixed material roller, the two surfaces to be welded can be attached to each other, the pushing force does not need to directly act on the pipe fittings to be welded, no other parts exist at the two ends of the preset pipe fitting placement position to be welded, the length of the pipe fittings is not limited, and the movable material roller is suitable for welding pipe fittings with various lengths;

2. a pressure sensor is arranged between the hydraulic rod and the movable material roller, when the pressure sensor detects that the pressure rises suddenly to a preset value, the two surfaces to be welded are attached, a certain pretightening force is achieved between the attaching surfaces, at the moment, the hydraulic rod automatically stops, two pipe fittings do not need to be manually adjusted for butt joint, and the working efficiency is improved;

3. the automatic feeding device is provided with a feeding mechanism, a pipe to be welded is stored on a storage table, a material placing frame is arranged between the storage table and two material rollers along an oblique direction, a feeding motor drives two rocking bars to rotate simultaneously through chain transmission, so that a connecting rod moves in a circular motion while keeping parallel with the material placing frame, a clamping block drives corresponding pipe fittings on the material placing frame to move synchronously when the connecting rod moves to the upper side of the material placing frame, when the connecting rod rotates to the lower side of the material placing frame and the pipe fittings are separated from the clamping block, the pipe fittings finish one-time stepping on the material placing frame, when the pipe fittings move to the clamping strip at the uppermost end, the lower side of the pipe fittings are not supported by the material placing frame, and the pipe fittings slide down to the corresponding material rollers, so that automatic feeding is finished, and the labor intensity of operators is reduced.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of the present utility model;

FIG. 3 is a left side view of the view shown in FIG. 1;

FIG. 4 is a schematic diagram of a feeding mechanism according to the present utility model;

FIG. 5 is an enlarged view of portion A of FIG. 2;

in the figure: 1. a work table; 101. a groove; 2. fixing a material roller; 3. a movable material roller; 301. a base; 302. a mounting plate; 303. a fixed rod; 304. a first material pressing device; 4. a portal frame; 5. a welding device; 6. a second material pressing device; 7. a feeding mechanism; 701. a first support; 702. a second support; 703. a feeding motor; 704. a chain; 705. a sprocket; 706. a rocker; 707. a connecting rod; 708. a clamping block; 8. a stock table; 9. a partition plate; 10. a material placing frame; 11. clamping strips; 12. a hydraulic rod; 13. a pressure sensor.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Referring to fig. 1-5, the present utility model provides the following technical solutions:

the utility model provides a small-bore pipe butt joint automatic welder, including workstation 1 and welding set 5, the left side of workstation 1 mesa is fixed with fixed material roller 2, the right side is seted up flutedly 101, sliding connection has movable material roller 3 in the recess 101, movable material roller 3 includes two mounting panels 302, the material roller is installed on two mounting panels 302, the base 301 is fixed with jointly in two mounting panel 302 bottoms, base 301 sets up again in recess 101 and with recess 101 sliding connection, fixed lever 303 is fixed with on the up end of base 301, fixed lever 303 sets up along vertical direction, sliding connection has press device one 304 on the fixed lever 303, the front end middle part of workstation 1 is fixed with portal frame 4, sliding connection has welding set 5 on the crossbeam of portal frame 4, sliding connection has press device two 6 on the longitudinal support pole of portal frame 4, press device one 301, portal frame 4 and press device two 6 all set up the front side at the workstation, press device two 6 correspond the top that sets up at fixed material roller 2, the right side of workstation 1 installs output shaft 12, press shaft 12 is installed along the parallel to the right side of workstation 1 and press shaft 12 on the pressure sensor 13 of the output shaft of workstation 13, the output shaft is fixed connection with the right side of pressure sensor 13 on the pressure sensor of workstation 1;

the fixed material roller 2, the movable material roller 3, the first material pressing device 304, the second material pressing device 6 and the welding device 5 in this embodiment are all in the prior art, and a person skilled in the art can completely realize the present utility model, without any requirement for redundancy, and the present utility model does not relate to the improvement of the material pressing and welding methods.

Simultaneously starting a first pressing device 304 and a second pressing device 6, respectively fixing two pipe fittings on a fixed material roller 2 and a movable material roller 3, then starting a hydraulic rod 12, pushing the movable material roller 3 to move towards the fixed material roller 2, connecting the two pipe fittings until the pressure detected by a pressure sensor 13 reaches a preset value, at the moment, completing butt joint of the two pipe fittings, and stopping the hydraulic rod 12 until the pre-tightening force required by welding is reached between the joint surfaces of the two pipe fittings, thereby completing automatic butt joint of the pipe fittings, synchronously starting the rotating mechanisms of the fixed material roller 2 and the movable material roller 3, synchronously rotating the two pipe fittings, adjusting and starting a welding device 5, completing one-time girth welding without manual butt joint, and improving the working efficiency;

meanwhile, the butt joint of the two pipe fittings is realized by pushing the movable material roller 3 through the hydraulic rod 12, the pushing force does not need to directly act on the pipe fitting to be welded, namely, additional parts are not required to be arranged at the two ends of the preset position of the pipe fitting to be welded, the pipe length is not limited, and the application range is wider.

The rear of workstation 1 is provided with stock platform 8, stock platform 8 is used for keeping in and waits to weld the pipe fitting, be fixed with baffle 9 on stock platform 8, baffle 9 place the plane setting between fixed material roller 2 and movable material roller 3, baffle 9 divide into two sections with stock platform 8, can deposit two kinds of pipe fitting of waiting to weld respectively, be convenient for follow-up material loading respectively and dock, welding, be provided with four on stock platform 8 and put work or material rest 10, four put work or material rest 10 and set up respectively at the both ends of fixed material roller 2 and movable material roller 3, put work or material rest 10 along the incline direction to the top of workstation 1, and fix on workstation 1, evenly be provided with a plurality of clamps 11 on putting work or material rest 10, the clamp 11 is along being parallel to the direction of material roller axial and put work or material rest 10 and set up perpendicularly, put work or material rest 10 and each clamp 11 all can support a pipe fitting of waiting to weld jointly, two and the clamp 11 that correspond on the same side of baffle 9 put work or material rest 10 and together provide the support for waiting to wait to weld the pipe fitting, it is not put the stable pipe fitting to slide to put on the work or material rest 10.

Four feeding mechanisms 7 are arranged at the rear of the workbench 1, the four feeding mechanisms 7 are correspondingly arranged with four material placing frames 10, each feeding mechanism 7 comprises a first support 701 and a second support 702, the first support 701 and the second support 702 are arranged at intervals, the first support 701 is smaller than the second support 702, a sprocket 705 is rotatably arranged at the upper ends of the first support 701 and the second support 702, the two sprockets 705 are driven by a chain 704, a feeding motor 703 is arranged on the first support 701, an output shaft of the feeding motor 703 is fixedly connected with the sprocket 705 on the first support 701, a rocker 706 is fixedly connected with the two sprockets 705, a connecting rod 707 is connected with the movable ends of the two rockers 706 in a common rotation mode, the connecting rod 707 is arranged to be parallel to the material placing frames 10, when the feeding motor 703 rotates, the two sprockets 705 and the corresponding rockers 706 rotate in the same direction, the connecting rod 707 is driven to integrally and circularly move in the same plane, the connecting rod 707 is always parallel to the material placing frame 10, the connecting rod 707 extends to the upper side of the material roller, a plurality of clamping blocks 708 are uniformly arranged above the connecting rod 707, the clamping blocks 708 are in one-to-one correspondence with the clamping strips 11, the clamping blocks 708 are vertical to the connecting rod 707, when the material loading motor 703 is started, the connecting rod 707 circularly moves, the plurality of clamping blocks 708 on the connecting rod 707 are driven to circularly move around the corresponding clamping strips 11, when the connecting rod 707 rotates upwards, the connecting rod 707 and the clamping blocks 708 together drive a pipe to be welded on the corresponding clamping strips 11 to rotate upwards, and the connecting rod 707 starts to rotate downwards until the pipe to be welded is separated from the clamping blocks 708, and the pipe to be welded falls on the clamping strip 11 of the upper stage at the initial position, namely the pipe to be welded completes one-step, and the sequential circulation can realize material loading;

the uppermost end of the material placing frame 10 is flush with the highest point of the material roller for fixing the material roller 2, the uppermost end of the material placing frame 10 is provided with a clamping strip 11, namely, the uppermost clamping strip 11 is flush with the end point of the material placing frame 10, a certain distance is arranged between the uppermost clamping block 708 and the highest point of the connecting rod 707, after the connecting rod 707 and the uppermost clamping block 708 drive the pipe to be welded to pass through the uppermost clamping strip 11, the pipe to be welded cannot be supported by the material placing frame 10, and slides downwards to a preset pipe to be welded placing position along the corresponding material roller, so that automatic feeding is finished, subsequent welding is facilitated, labor intensity of operators is reduced, and working efficiency is improved.

Specifically, the pipe fitting to be welded is pre-stored on the storage table 8, the two pipe fittings are respectively placed on two sides of the partition plate 9, the pipe fitting is pushed to the joint of the storage table 8 and the material placing frame 10, the feeding mechanism 7 is started, the feeding motor 703 drives the two rockers 706 arranged at different heights to rotate through the two chain wheels 705 and the chain 704, the two rockers 706 jointly drive the connecting rod 707 to circumferentially slide in the same plane, the connecting rod 707 is always parallel to the material placing frame 10, the clamping block 708 completes one circumferential movement around the corresponding clamping bar 11, and the two feeding mechanisms 7 jointly drive one pipe fitting to be welded to realize stepping on the material placing frame 10;

when the pipe to be welded moves to the uppermost clamping block 708, the clamping block 708 drives the pipe fitting to pass through the clamping strip 11 and slide to a preset weldment placement area along the corresponding fixed material roller 2 and the material roller of the movable material roller 3, so that automatic feeding is realized, the labor intensity of operators is reduced, and the working efficiency is improved.

After the feeding is finished, the first pressing device 304 and the second pressing device 6 are synchronously started, so that the positions of the pipe to be welded and the corresponding material rollers are relatively fixed, the hydraulic rod 12 is started, the movable material roller 3 is pushed to drive the pipe on the movable material roller to move towards the direction of the fixed material roller 2 until the pressure sensor 13 detects a preset pressure value, at the moment, the two pipe fittings are in butt joint, the pretightening force required by welding is achieved, the rotating mechanisms of the fixed material roller 2 and the movable material roller 3 are started again, the two pipe fittings are driven to synchronously rotate, and the position of the welding device 5 is adjusted, so that one-time girth welding is finished;

the two ends of the position where the pipe to be welded is placed in advance are not provided with other parts on the movable material roller 3 under the thrust action of controlling the two pipe fittings to finish the butt joint, the length of the pipe fittings is not limited, the pipe fittings with various lengths can be welded, and the application range is wide.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a small-bore pipe butt joint automatic weld machine, includes workstation (1) and welding set (5), its characterized in that: be provided with fixed material roller (2) and activity material roller (3) on workstation (1), one side of workstation (1) is fixed with portal frame (4), welding set (5) slidable mounting is on portal frame (4), sliding connection has pressing device two (6) on portal frame (4), pressing device two (6) set up in one side that fixed material roller (2) deviates from workstation (1), be fixed with dead lever (303) on activity material roller (3), sliding connection has pressing device one (304) on dead lever (303), four feed mechanism (7) are installed to one side that workstation (1) deviates from portal frame (4).

2. The automatic welding machine for butt joint of small-caliber pipes as set forth in claim 1, wherein: the novel automatic feeding device is characterized in that the workbench (1) is provided with a groove (101), the movable material roller (3) comprises two mounting plates (302), the two mounting plates (302) are jointly fixed with a base (301) towards one side of the workbench (1), the base (301) is in sliding connection with the groove (101), a fixing rod (303) is fixed on the base (301), one side of the workbench (1) where the movable material roller (3) is mounted is provided with a hydraulic rod (12), an output shaft of the hydraulic rod (12) points to the fixed material roller (2) and is provided with a pressure sensor (13), and the output shaft of the hydraulic rod (12) and the pressure sensor (13) are jointly connected with one mounting plate (302) deviating from the fixed material roller (2).

3. The automatic welding machine for butt joint of small-caliber pipes as claimed in claim 2, wherein: feeding mechanism (7) are including support one (701) and support two (702), all rotate on support one (701) and the support two (702) and install sprocket (705), two install chain (704) jointly on sprocket (705), install material loading motor (703) on support one (701), material loading motor (703) and sprocket (705) fixed connection that corresponds on support one (701), two all be fixed with rocker (706) on sprocket (705), two the loose end of rocker (706) rotates jointly and is connected with connecting rod (707), one side that connecting rod (707) deviates from support one (701) evenly is provided with a plurality of fixture blocks (708).

4. A small-caliber pipe butt-joint automatic welding machine according to claim 3, wherein: four feed mechanism (7) set up respectively in the both sides of fixed material roller (2) and activity material roller (3), support one (701) and support two (702) interval set up, the height of support one (701) is less than the height of support two (702), connecting rod (707) extend to the one side that fixed material roller (2) deviates from workstation (1), fixture block (708) set up along the direction of perpendicular to connecting rod (707).

5. The automatic welding machine for butt joint of small-caliber pipes as set forth in claim 4, wherein: the automatic feeding device is characterized in that a material storage table (8) is arranged on one side of the workbench (1) towards the feeding mechanism (7), four material storage racks (10) are fixed on the material storage table (8) and the workbench (1) together, the four material storage racks (10) are arranged corresponding to the four feeding mechanisms (7), the material storage racks (10) are parallel to the connecting rods (707) and extend towards the fixed material rollers (2), the maximum distance from one end of the material storage rack (10) to the workbench (1) is equal to the maximum distance from the fixed material rollers (2) to the workbench (1), a plurality of clamping bars (11) are uniformly arranged on the material storage rack (10), the clamping bars (11) are in one-to-one correspondence with the clamping blocks (708), and the clamping bars (11) deviating from the material storage table (8) are flush with the end points of the material storage racks (10).

6. The automatic welding machine for butt joint of small-caliber pipes as set forth in claim 5, wherein: a partition plate (9) is fixed on the stock table (8), and a plane where the partition plate (9) is arranged between the fixed material roller (2) and the movable material roller (3).