Steel pipe welding auxiliary device

Abstract

The utility model relates to the technical field of steel pipe welding, in particular to a steel pipe welding auxiliary device which is characterized by comprising a first hinge seat and a second hinge seat, one end of the first hinge seat is hinged to one end of the second hinge seat, and a locking and fixing mechanism is arranged between the first hinge seat and the second hinge seat. The locking and fixing mechanism is used for locking and fixing relative rotation between the first hinge seat and the second hinge seat and forming a fixed included angle between the first hinge seat and the second hinge seat, and steel pipe clamping mechanisms are fixedly arranged at the other end of the first hinge seat and the other end of the second hinge seat respectively. The steel pipe welding device is better in overall applicability, in the welding process, the labor intensity of welding workers can be reduced, the welding efficiency can be improved, the stability of the welding positions of the two steel pipes in the welding process can be effectively guaranteed for a long time, and the final welding angle and the final welding quality of the two steel pipes are effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe welding technical field, specifically relates to a steel pipe welding auxiliary device. BACKGROUND

[0002] In mechanical processing, the welding of steel pipe workpieces such as square tubes or round tubes is a commonly used means, wherein the manual welding of the steel pipe workpieces has certain technical difficulty, especially when welding one inclined steel pipe on another vertical steel pipe at a certain inclined angle, the welder needs to hold the inclined steel pipe with one hand and hold the welding gun with the other hand to perform the welding operation, but such welding operation consumes more physical strength, increases the labor intensity of the welder, and reduces the welding efficiency, on the other hand, the inclined steel pipe is prone to slight shaking during the welding process, and the stable placement of the inclined steel pipe during the welding process cannot be ensured for a long time, which affects the final welding angle and welding quality of the two steel pipes. SUMMARY

[0003] The utility model wants to solve the technical problem to provide a kind of steel pipe welding auxiliary device, overall applicability is better, in the welding process, the labor intensity of welder can be reduced, and welding efficiency is improved, and the stability of the welding position of two steel pipes in the welding process can be effectively ensured for a long time, and the final welding angle and welding quality of two steel pipes are effectively ensured.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a kind of steel pipe welding auxiliary device, including first hinged seat and second hinged seat, one end of first hinged seat is hinged with one end of second hinged seat and is equipped with locking and fixing mechanism between the two, locking and fixing mechanism is used to lock and fix the relative rotation between first hinged seat and second hinged seat and make the fixed included angle between the two, the other end of first hinged seat and the other end of second hinged seat are respectively fixed with steel pipe clamping mechanism, steel pipe clamping mechanism includes clamping plate, fixed plate, moving plate and clamping drive assembly, fixed plate and moving plate are all arranged on clamping drive assembly, fixed plate is fixedly arranged, clamping drive assembly is used to drive moving plate to move linearly relative to fixed plate, the clamping plate of fixed plate and moving plate can be detachably clamped, steel pipe clamping cavity is arranged between the clamping plate of fixed plate and moving plate, clamping plate includes square tube clamping plate for clamping square tube and round tube clamping plate for clamping round tube.

[0005] Further, the other end of first hinged seat and the other end of second hinged seat are respectively fixedly connected with the fixed plate of corresponding steel pipe clamping mechanism.

[0006] Further, the clamping driving assembly comprises a base, a sliding table, a driving screw and an adjusting knob, the fixed plate is fixedly arranged on one end of the base, the moving plate is fixedly arranged on the sliding table, the sliding table is slidably connected with the base through a sliding assembly, the driving screw is rotatably arranged on the base and one end thereof penetrates through the base and is fixedly connected with the adjusting knob, and the sliding table is sleeved on the driving screw and threadedly driven therebetween.

[0007] Further, the sliding assembly comprises a sliding block and a strip-shaped sliding groove, the sliding block is fixedly arranged on the sliding table, the strip-shaped sliding groove is arranged on the base, the sliding block is matched with the strip-shaped sliding groove, and the sliding block is embedded in the strip-shaped sliding groove and slidably matched therebetween.

[0008] Further, the square tube clamping plate is provided with a clamping plane, and the circular tube clamping plate is provided with a clamping arc surface.

[0009] Further, the clamping plane of the square tube clamping plate and the clamping arc surface of the circular tube clamping plate are both fixedly covered with a clamping soft pad.

[0010] Further, one side surface of the clamping plate is provided with an embedded groove penetrating through upper and lower ends thereof and matched with the fixed plate or the moving plate, strip-shaped clamping blocks are fixedly arranged on inner surfaces of left and right sides of the embedded groove, left and right side surfaces of the fixed plate and the moving plate are both provided with strip-shaped clamping grooves penetrating through upper ends thereof, and the strip-shaped clamping blocks are matched with the strip-shaped clamping grooves and detachably clamped in the strip-shaped clamping grooves.

[0011] Further, an elastic soft pad is fixedly arranged on an inner bottom surface of the embedded groove.

[0012] Further, at least one side between the first hinge seat and the second hinge seat is provided with a locking fixing mechanism, the locking fixing mechanism comprises a locking bolt and a locking hole, the locking hole is arranged on one side surface of the first hinge seat, the locking bolt is threadedly connected in the locking hole and an end portion of a threaded shank thereof is abuttingly connected with one side surface of the second hinge seat, and a locking knob is fixedly arranged on the other end of the threaded shank.

[0013] Further, at least one side surface of the first hinge seat is provided with an indicating arrow, at least one side surface of the second hinge seat is provided with an angle scale line, and the indicating arrow and the angle scale line are on the same side.

[0014] From the above description, the utility model provides a kind of steel pipe welding auxiliary device, with the following beneficial effects: when using, by replacing installation square tube clamping plate or round tube clamping plate, thus can be applicable to the clamping and fixing of square tube or round tube, overall applicability is better, when the steel pipe clamping mechanism is clamped and fixed on steel pipe, first, steel pipe clamping mechanism is sleeved on steel pipe by steel pipe clamping cavity, then mobile plate is moved to the side direction close to fixed plate by clamping drive assembly, so that two clamping plates are close to each other and steel pipe is clamped and fixed, and when the clamping and fixing of steel pipe is needed to be released, only need to move mobile plate to the side direction away from fixed plate by clamping drive assembly, so that two clamping plates are away from each other, at this time, steel pipe clamping mechanism can be removed from corresponding steel pipe, when a steel pipe is welded on another steel pipe at a certain inclination angle, two steel pipes are vertical steel pipe and inclined steel pipe respectively, first, steel pipe clamping mechanism on the second hinged seat is clamped and fixed on vertical steel pipe, then the included angle between first hinged seat and second hinged seat is adjusted to appropriate angle, the angle can be flexibly adjusted, then first hinged seat and second hinged seat are locked and fixed by locking fixing mechanism and form fixed included angle between them, then inclined steel pipe is inserted into the steel pipe clamping cavity of steel pipe clamping mechanism of first hinged seat, and the end face of one end of inclined steel pipe is in abutment with the outer surface of vertical steel pipe, then steel pipe clamping mechanism on first hinged seat is clamped and fixed on inclined steel pipe, then, steel pipe clamping mechanism on second hinged seat can be loosened again, and it is adjusted to appropriate position on first steel pipe after being clamped and fixed, at this time, two steel pipes can be welded, without welding worker holding steel pipe during welding process, physical strength can be saved, labor intensity of welding worker is reduced, welding efficiency is improved, and welding position of two steel pipes can be effectively ensured during welding process, slight shaking of inclined steel pipe during welding process is avoided, and final welding angle and welding quality of two steel pipes are effectively ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure exploded schematic view of the utility model steel pipe welding auxiliary device.

[0016] Figure 2 It is Figure 1 It is the local enlarged schematic view of A in the middle.

[0017] Figure 3 It is the three-dimensional structure schematic view of round tube clamping plate.

[0018] Figure 4 It is the three-dimensional structure schematic view of square tube clamping plate.

[0019] Figure 5 It is the structure schematic view of clamping drive assembly.

[0020] Figure 6 It is the state schematic view when the steel pipe welding auxiliary device clamps the round pipe.

[0021] Figure 7 It is the state schematic view when the steel pipe welding auxiliary device clamps the square pipe.

[0022] In the figure: 1 - first hinged seat;11 - indication arrow;2 - second hinged seat;21 - angle scale;3 - locking fixing mechanism;31 - locking bolt;32 - locking hole;4 - steel pipe clamping mechanism;41 - clamping plate;411 - fitting groove;42 - fixed plate;43 - moving plate;44 - clamping drive assembly;441 - base;442 - slide;443 - drive screw;444 - adjusting knob;445 - sliding assembly;4451 - sliding block;4452 - strip slide groove;51 - square pipe clamping plate;511 - clamping plane;52 - round pipe clamping plate;521 - clamping arc surface;53 - clamping soft pad;61 - strip clamping block;62 - strip clamping groove;63 - elastic soft pad;71 - round pipe;72 - square pipe. DETAILED DESCRIPTION

[0023] The utility model is further described below through specific embodiment.

[0024] As Figures 1 to 7 shown, the utility model discloses a steel pipe welding auxiliary device, including first hinged seat 1 and second hinged seat 2, one end of first hinged seat 1 with one end of second hinged seat 2 is hinged and is equipped with locking fixing mechanism 3 between two, locking fixing mechanism 3 is used for to the relative rotation between first hinged seat 1 with second hinged seat 2 plays locking fixed effect and makes between two fixed angle, the other end of first hinged seat 1 and the other end of second hinged seat 2 are respectively fixed with steel pipe clamping mechanism 4, and steel pipe clamping mechanism 4 includes clamping plate 41, fixed plate 42, moving plate 43 and clamping drive assembly 44, fixed plate 42 and moving plate 43 are all equipped on clamping drive assembly 44, fixed plate 42 is fixedly arranged, and clamping drive assembly 44 is used to drive moving plate 43 relative to fixed plate 42 and carries out linear movement, and the clamping plate 41 of detachable clamping is all equipped on fixed plate 42 and moving plate 43, and the clamping plate 41 between fixed plate 42 and moving plate 43 is equipped with steel pipe clamping cavity, and clamping plate 41 includes the square pipe clamping plate 51 for clamping square pipe 72 and the round pipe clamping plate 52 for clamping round pipe 71.

[0025] In use, by replacing the square tube clamping plate 51 or the round tube clamping plate 52, the clamping and fixing of the square tube 72 or the round tube 71 can be applied, and the overall applicability is better. When the steel pipe clamping mechanism 4 is clamped and fixed on the steel pipe, first, the steel pipe clamping mechanism 4 is sleeved on the steel pipe through the steel pipe clamping cavity, and then the moving plate 43 is driven by the clamping drive assembly 44 to move towards the side close to the fixed plate 42, so that the two clamping plates 41 are close to each other and the steel pipe is clamped and fixed. When it is needed to release the clamping and fixing of the steel pipe, the moving plate 43 is driven by the clamping drive assembly 44 to move away from the side of the fixed plate 42, so that the two clamping plates 41 are away from each other. At this time, the steel pipe clamping mechanism 4 can be removed from the corresponding steel pipe. When a steel pipe needs to be welded on another steel pipe at a certain inclination angle, the two steel pipes are vertical steel pipe and inclined steel pipe respectively. First, the steel pipe clamping mechanism 4 on the second hinge seat 2 is clamped and fixed on the vertical steel pipe, and then the included angle between the first hinge seat 1 and the second hinge seat 2 is adjusted to a suitable angle, which can be flexibly adjusted. The first hinge seat 1 and the second hinge seat 2 are locked and fixed by the locking and fixing mechanism 3 and form a fixed included angle therebetween. Then, the inclined steel pipe is inserted into the steel pipe clamping cavity of the steel pipe clamping mechanism 4 of the first hinge seat 1, and the end face of the inclined steel pipe abuts against the outer surface of the vertical steel pipe. Then, the steel pipe clamping mechanism 4 on the first hinge seat 1 is clamped and fixed on the inclined steel pipe. Then, the steel pipe clamping mechanism 4 on the second hinge seat 2 can be loosened and adjusted to a suitable position on the first steel pipe and then clamped and fixed. At this time, the two steel pipes can be welded. During the welding process, the welder does not need to hold the steel pipe, which can save physical strength, reduce the labor intensity of the welder, improve the welding efficiency, effectively ensure the stability of the welding position of the two steel pipes during the welding process, effectively avoid the slight shaking of the inclined steel pipe during the welding process, and effectively ensure the final welding angle and welding quality of the two steel pipes.

[0026] In the embodiment, the other end of the first hinge seat 1 and the other end of the second hinge seat 2 are fixedly connected with the fixed plate 42 of the corresponding steel pipe clamping mechanism 4.

[0027] Correspondingly, the clamping driving assembly 44 comprises a base 441, a sliding table 442, a driving screw 443 and an adjusting knob 444, the fixed plate 42 is fixedly arranged at one end of the base 441, the movable plate 43 is fixedly arranged on the sliding table 442, the sliding table 442 is slidably connected with the base 441 through a sliding assembly 445, the driving screw 443 is rotatably arranged on the base 441 and one end thereof penetrates through the base 441 and is fixedly connected with the adjusting knob 444, the sliding table 442 is sleeved on the driving screw 443 and the both are threadedly driven, correspondingly, the sliding table 442 is provided with a threaded hole matched with the driving screw 443, in addition, the sliding assembly 445 comprises a sliding block 4451 and a strip-shaped sliding groove 4452, the sliding block 4451 is fixedly arranged on the sliding table 442, the strip-shaped sliding groove 4452 is arranged on the base 441, the sliding block 4451 is matched with the strip-shaped sliding groove 4452, the sliding block 4451 is embedded in the strip-shaped sliding groove 4452 and the both are slidably connected, in this way, when the adjusting knob 444 is rotated, the driving screw 443 can be synchronously rotated, through the threadedly driven connection between the sliding table 442 and the driving screw 443 and the guiding effect of the sliding assembly 445 on the sliding table 442, the sliding table 442 can be driven to move, and the movable plate 43 can linearly move relative to the fixed plate 42, so as to adjust the distance between the movable plate 43 and the fixed plate 42.

[0028] Correspondingly, the square pipe clamping plate 51 is provided with a clamping plane 511, the round pipe clamping plate 52 is provided with a clamping arc surface 521, in addition, the clamping plane 511 of the square pipe clamping plate 51 and the clamping arc surface 521 of the round pipe clamping plate 52 are both fixedly covered with a clamping soft pad 53, preferably, the clamping soft pad 53 is made of rubber or silica gel material, through the arrangement of the clamping soft pad 53, when clamping, the clamping soft pad 53 can be squeezed, so that the clamping of the square pipe clamping plate 51 to the square pipe 72 and the clamping of the round pipe clamping plate 52 to the round pipe 71 are more stable, and it is not easy to cause scratches on the outer surfaces of the square pipe 72 or the round pipe 71.

[0029] One side surface of the clamping plate 41 is provided with a matching groove 411 penetrating through the upper and lower ends thereof and matched with the fixed plate 42 or the moving plate 43, the clamping plate 41 is fixedly provided with a strip-shaped clamping block 61 on the inner surfaces of the left and right sides of the matching groove 411, the left and right side surfaces of the fixed plate 42 and the moving plate 43 are provided with a strip-shaped clamping groove 62 penetrating through the upper end thereof, the strip-shaped clamping block 61 is matched with the strip-shaped clamping groove 62 and detachably clamped in the strip-shaped clamping groove 62, in addition, the clamping plate 41 is fixedly provided with a resilient cushion 63 on the inner bottom surface of the matching groove 411, preferably, the resilient cushion 63 is made of rubber material or silica gel material, through the arrangement of the strip-shaped clamping block 61 and the strip-shaped clamping groove 62, the clamping of the clamping plate 41 and the fixed plate 42 or the moving plate 43 is facilitated, and the clamping plate 41 and the fixed plate 42 or the moving plate 43 can be quickly disassembled, so as to facilitate the replacement of the square tube clamping plate 51 or the round tube clamping plate 52 according to the square tube 72 or the round tube 71 to be welded, in addition, in combination with the arrangement of the resilient cushion 63, the resilient cushion 63 can be squeezed when the clamping plate 41 is installed, so that the clamping of the clamping plate 41 on the fixed plate 42 or the moving plate 43 is more stable.

[0030] Correspondingly, at least one side between the first hinge seat 1 and the second hinge seat 2 is provided with the locking and fixing mechanism 3, the locking and fixing mechanism 3 comprises a locking bolt 31 and a locking hole 32, the locking hole 32 is arranged on one side surface of the first hinge seat 1, the locking bolt 31 is threadedly connected in the locking hole 32 and the threaded end portion thereof can abut against one side surface of the second hinge seat 2, a locking knob is fixedly arranged on the other end of the threaded rod, in this way, when the locking bolt 31 is tightened, the first hinge seat 1 and the second hinge seat 2 can be well locked and fixed, and the relative rotation between the two is prevented, and a fixed included angle is formed between the two, and when it is necessary to adjust the included angle between the first hinge seat 1 and the second hinge seat 2, the locking bolt 31 is loosened, and the relative rotation between the two is facilitated.

[0031] In addition, at least one side surface of the first hinge seat 1 is provided with an indicating arrow 11, at least one side surface of the second hinge seat 2 is provided with an angle scale line 21, the indicating arrow 11 and the angle scale line 21 are on the same side, in this way, the user can quickly and accurately adjust the included angle between the first hinge seat 1 and the second hinge seat 2 to a suitable angle.

[0032] Correspondingly, one end of the first hinge seat 1 is provided with a first hinge hole, one end of the second hinge seat 2 is provided with a second hinge hole corresponding to the first hinge hole, and a hinge shaft is arranged in the first hinge hole and the second hinge hole, and the two ends of the hinge shaft are provided with limit plates, limit rings or split pins, so as to realize the hinge connection between the first hinge seat 1 and the second hinge seat 2, and other structures in the prior art can also be used to realize the hinge connection between the two.

[0033] The above is only some specific embodiments of the present application, but the design concept of the present application is not limited thereto, and any non-essential modification of the present application using this concept shall be deemed to infringe the protection scope of the present application.

Claims

1. A steel pipe welding auxiliary device characterized by: The utility model provides a steel pipe clamping mechanism, including first hinged seat and second hinged seat, one end of first hinged seat is hinged with one end of second hinged seat and is equipped with locking fixing mechanism between both, locking fixing mechanism is used for playing locking fixed effect to relative rotation between first hinged seat and second hinged seat and makes between both fixed angle, the other end of first hinged seat and the other end of second hinged seat are fixed with steel pipe clamping mechanism respectively, steel pipe clamping mechanism includes clamping plate, fixed plate, moving plate and clamping drive assembly, fixed plate and moving plate are all equipped on clamping drive assembly, fixed plate is fixedly arranged, clamping drive assembly is used for driving moving plate relative to fixed plate and carries out linear movement, the clamping plate is detachably connected on fixed plate and moving plate, fixed plate and moving plate are equipped with steel pipe clamping cavity between clamping plate, clamping plate includes square pipe clamping plate for clamping square pipe and round pipe clamping plate for clamping round pipe.

2. A steel pipe welding auxiliary device according to claim 1, characterized in that: The other end of the first hinged seat and the other end of the second hinged seat are fixedly connected with the fixed plate of the corresponding steel pipe clamping mechanism.

3. A steel pipe welding auxiliary device according to claim 1, characterized in that: The clamping drive assembly includes a base, a sliding table, a drive screw and an adjusting knob, the fixed plate is fixedly arranged on one end of the base, the moving plate is fixedly arranged on the sliding table, the sliding table is slidably connected with the base through a sliding assembly, the drive screw is rotatably installed on the base and has one end penetrating through the base and being fixedly connected with the adjusting knob, and the sliding table is sleeved on the drive screw and is in threaded transmission cooperation with the drive screw.

4. A steel pipe welding auxiliary device according to claim 3, characterized in that: The sliding assembly includes a sliding block and a strip-shaped sliding groove, the sliding block is fixedly arranged on the sliding table, and the strip-shaped sliding groove is arranged on the base, the sliding block is matched with the strip-shaped sliding groove, and the sliding block is embedded in the strip-shaped sliding groove and is in sliding cooperation with the strip-shaped sliding groove.

5. A steel pipe welding auxiliary device according to claim 1, characterized in that: The square pipe clamping plate is provided with a clamping plane, and the round pipe clamping plate is provided with a clamping arc surface.

6. A steel pipe welding aid as defined in claim 5, wherein: The clamping plane of the square pipe clamping plate and the clamping arc surface of the round pipe clamping plate are both fixedly covered with clamping soft pads.

7. A steel pipe welding auxiliary device according to claim 1, characterized in that: One side surface of the clamping plate is provided with an embedded groove penetrating through upper and lower ends thereof and matched with the fixed plate or the moving plate, strip-shaped clamping blocks are fixedly arranged on left and right inner surfaces of the embedded groove of the clamping plate, left and right side surfaces of the fixed plate and the moving plate are both provided with strip-shaped clamping grooves penetrating through upper ends thereof, the strip-shaped clamping blocks are matched with the strip-shaped clamping grooves and detachably clamped in the strip-shaped clamping grooves.

8. A steel pipe welding aid as defined in claim 7, wherein: An elastic soft pad is fixedly arranged on an inner bottom surface of the embedded groove of the clamping plate.

9. A steel pipe welding auxiliary device according to claim 1, characterized in that: At least one side between the first hinged seat and the second hinged seat is provided with the locking fixing mechanism, the locking fixing mechanism includes a locking bolt and a locking hole, the locking hole is arranged on one side surface of the first hinged seat, the locking bolt is threadedly connected in the locking hole, a threaded end of the locking bolt is abuttable with one side surface of the second hinged seat, and a locking knob is fixedly arranged on the other end of the threaded end.

10. A steel pipe welding auxiliary device according to claim 1, characterized in that: At least one side surface of the first hinged seat is provided with an indicating arrow, and at least one side surface of the second hinged seat is provided with an angle scale line, the indicating arrow and the angle scale line being on the same side.

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