CN217832225U

CN217832225U - Submerged arc welding machine for straight seam welding of steel pipes

Info

Publication number: CN217832225U
Application number: CN202221166455.7U
Authority: CN
Inventors: 曾广生
Original assignee: Taishan Xianguang Building Materials Co ltd
Current assignee: Taishan Xianguang Building Materials Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-11-18
Anticipated expiration: 2032-05-16

Abstract

The utility model provides a submerged arc welding machine for steel pipe transversal joint welding, comprising a base plate, the equal fixedly connected with fixed plate in bottom plate up end left and right sides, the fixed plate is close to the first electric telescopic handle of a terminal surface center department fixedly connected with mutually, first electric telescopic handle end all is provided with latch device, and is two sets of evenly be provided with the steel pipe between the latch device, bottom plate terminal surface middle part vertically is provided with fixture, fixture is corresponding with the junction of steel pipe, bottom plate up end middle part front side fixedly connected with second bearing, second bearing inner circle fixedly connected with second electric telescopic handle, the terminal outer wall fixedly connected with connecting rod of second electric telescopic handle, terminal lower terminal surface fixedly connected with bonding tool of connecting rod, the bonding tool is located steel pipe junction upper portion, and the device simple structure, convenient operation effectively improves the efficiency of steel pipe transversal joint welding.

Description

Submerged arc welding machine for straight seam welding of steel pipes

Technical Field

The disclosure specifically discloses a steel pipe welding seam technical field, and specifically relates to a submerged arc welding machine for steel pipe straight seam welding.

Background

The submerged arc welding machine is a welding device for welding by burning an arc under a flux layer, has the advantages of stable welding quality, high welding productivity, no arc light, little smoke and the like, and is a main welding machine in manufacturing of pressure vessels, pipe sections, box beam column steel structures and the like. In the prior art, when welded pipes of different sizes are limited, the effect is not stable enough, the pair of the straight seam and the welding head is not accurate enough, the welding quality is reduced, and the use effect of the welded pipes is further influenced.

Disclosure of Invention

In view of the above-mentioned defects or shortcomings in the prior art, the present application aims to provide a structure that facilitates clamping of a steel pipe and rotation of the steel pipe.

The utility model provides a submerged arc welding machine for steel pipe transversal joint welding, includes the bottom plate, the equal fixedly connected with fixed plate in the bottom plate up end left and right sides, the fixed plate is close to a terminal surface center department fixedly connected with electric telescopic handle mutually, first electric telescopic handle end all is provided with latch device, and is two sets of evenly be provided with the steel pipe between the latch device, bottom plate terminal surface middle part vertically is provided with fixture, fixture is corresponding with the junction of steel pipe, bottom plate up end middle part front side fixedly connected with second bearing, second bearing inner circle fixedly connected with second electric telescopic handle, the terminal outer wall fixedly connected with connecting rod of second electric telescopic handle, terminal lower terminal surface fixedly connected with bonding tool of connecting rod, the bonding tool is located steel pipe junction upper portion.

According to the technical scheme that this application embodiment provided, fixture includes spout, driving motor, two-way lead screw, slider, grip block, recess and rolls the roller, the spout has been seted up at bottom plate up end middle part, terminal surface middle part fixedly connected with driving motor before the bottom plate, driving motor's motor shaft runs through and extends to the inside and two-way lead screw of fixedly connected with of spout, the terminal swing joint of two-way lead screw is at the inside rear side inner wall of spout, the slider has all been cup jointed to both sides outer wall around the two-way lead screw, the equal fixedly connected with grip block of slider up end, grip block one end is personally submitted the slope form, the inclined plane of grip block is corresponding, the recess has been seted up at the inclined plane middle part of grip block, groove cavity swing joint has the roller, roll the roller outer wall and laminate mutually with the steel pipe outer wall.

According to the technical scheme that this application embodiment provided, the width and the inside width phase-match of spout of slider, the up end of slider is parallel and level mutually with the up end of bottom plate, the width of grip block is greater than the width of slider.

According to the technical scheme that this application embodiment provided, latch device includes backup pad, first bearing, spring and supporting shoe, the equal fixedly connected with backup pad in end of first electric telescopic handle, the first bearing of opposite face center department fixedly connected with of backup pad, the inner circle and the backup pad welded connection of first bearing, the even fixedly connected with spring of the outer lane outer wall of first bearing, the equal fixedly connected with supporting shoe in spring end.

According to the technical scheme that this application embodiment provided, the diameter of backup pad is greater than the diameter of steel pipe, backup pad outer wall bottom laminating bottom plate up end.

According to the technical scheme that this application embodiment provided, the spring is the annular array setting at first bearing inner race outer wall, the spring inner circle is provided with the telescopic link, first bearing inner race outer wall of telescopic link one end fixed connection, and telescopic link other end fixed connection supporting shoe inner wall.

In summary, the present application discloses a submerged arc welding machine for longitudinal seam welding of steel pipes.

Has the advantages that:

1. through fixed plate, first electric telescopic handle and latch device, spring and supporting shoe cooperation guarantee that the supporting shoe stably supports the steel pipe inner wall, and first bearing guarantees that the steel pipe can rotate, and first electric telescopic handle is flexible simultaneously and can drive the steel pipe and be close to mutually, guarantees that two sets of steel pipes align, convenient welding.

2. Through clamping device, the second bearing, second electric telescopic handle, connecting rod and bonding tool, through driving motor, driving motor drives two-way lead screw rotatory, through spout and slider cooperation, limiting displacement has, two-way lead screw drives two sets of sliders and is close to or keeps away from mutually, two sets of sliders drive the grip block and are close to perhaps keep away from mutually, guarantee two sets of roller outer wall laminating steel pipe outer walls, it is rotatory to conveniently promote the steel pipe, second electric telescopic handle can rotate, guarantee that the bonding tool is located steel pipe connection department upper portion, according to the distance of bonding tool and joint, it is flexible to adjust second electric telescopic handle, guarantee the joint of bonding tool end laminating steel pipe, convenient welding.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a submerged arc welding machine for straight seam welding of steel pipes according to the present application;

FIG. 2 is a schematic top view of the present application;

fig. 3 is an enlarged schematic view of a structure shown in fig. 2.

In the figure: 1. a base plate; 2. a fixing plate; 3. a first electric telescopic rod; 4. a steel pipe; 5. a clamping mechanism; 51. a chute; 52. a drive motor; 53. a bidirectional screw rod; 54. a slider; 55. a clamping block; 56. a groove; 57. rolling a roller; 6. a support plate; 7. a first bearing; 8. a spring; 9. a support block; 10. a second bearing; 11. a second electric telescopic rod; 12. a connecting rod; 13. a horn.

Detailed Description

The present application will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

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

As mentioned in the background art, the structure convenient for clamping the steel pipe and convenient for rotating the steel pipe is provided by the disclosure aiming at the problems that in the prior art, when the welded pipes with different sizes are limited, the effect is not stable enough, the straight joint and the welding head are not accurate enough, the welding quality is reduced, and the using effect of the welded pipes is influenced.

Example 1

Referring to fig. 1, a submerged arc welding machine for steel pipe straight seam welding comprises a bottom plate 1, wherein fixed plates 2 are fixedly connected to the left side and the right side of the upper end face of the bottom plate 1, the left end face and the right end face of the fixed plates 2 are flush with the left end face and the right end face of the bottom plate 1, a first electric telescopic rod 3 is fixedly connected to the position, close to the center of one end face, of each fixed plate 2, clamping devices are arranged at the tail ends of the first electric telescopic rods 3, steel pipes 4 are evenly arranged between the two groups of clamping devices, the two groups of steel pipes 4 are arranged, the two groups of steel pipes 4 are identical in structure, and the end faces of the two groups of steel pipes 4 are aligned.

Referring to fig. 1, a clamping mechanism 5 is longitudinally arranged in the middle of the end surface of a bottom plate 1, the clamping mechanism 5 corresponds to the joint of two groups of steel pipes 4, clamping blocks 55 in the clamping mechanism 5 are respectively arranged on the front side and the rear side of the joint of the steel pipes 4, a second bearing 10 is fixedly connected to the front side of the middle of the upper end surface of the bottom plate 1, a second electric telescopic rod 11 is fixedly connected to the inner ring of the second bearing 10, a connecting rod 12 is fixedly connected to the outer wall of the tail end of the second electric telescopic rod 11, a welding head 13 is fixedly connected to the lower end surface of the tail end of the connecting rod 12, and the welding head 13 is located on the upper portion of the joint of the steel pipes 4.

Referring to fig. 2, in order to ensure stable alignment of the joint between two sets of steel pipes 4, a clamping mechanism 5 is formed by a chute 51, a driving motor 52, a bidirectional screw 53, a slider 54, a clamping block 55, a groove 56 and a roller 57, the chute 51 is formed in the middle of the upper end surface of the bottom plate 1, the driving motor 52 is fixedly connected to the middle of the front end surface of the bottom plate 1, a motor shaft of the driving motor 52 penetrates through the chute 51 and is fixedly connected with the bidirectional screw 53, the tail end of the bidirectional screw 53 is movably connected to the inner wall of the rear side of the chute 51, the sliders 54 are sleeved on the outer walls of the front side and the rear side of the bidirectional screw 53, the clamping block 55 is fixedly connected to the upper end surface of the slider 54, one end surface of the clamping block 55 is inclined, the inclined surfaces of the clamping block 55 correspond to each other, the groove 56 is formed in the middle of the inclined surface of the clamping block 55, the roller 57 is movably connected to the inner cavity of the groove 56, and the outer wall of the roller 57 is attached to the outer wall of the steel pipe 4.

Referring to fig. 2, in order to ensure that the two sets of clamping blocks 55 can approach or separate from each other, the width of the sliding block 54 matches with the width inside the sliding slot 51, the upper end surface of the sliding block 54 is flush with the upper end surface of the bottom plate 1, and the width of the clamping block 55 is greater than the width of the sliding block 54, so as to ensure that the two sets of steel pipes 4 do not deviate when rotating.

Please refer to fig. 3, in order to ensure that the two sets of steel pipes 4 can rotate, the clamping device is composed of a supporting plate 6, a first bearing 7, a spring 8 and a supporting block 9, the supporting plate 6 is fixedly connected to the end of the first electric telescopic rod 3, the first bearing 7 is fixedly connected to the center of the opposite face of the supporting plate 6, the inner ring of the first bearing 7 is welded to the supporting plate 6, the outer ring of the first bearing 7 is ensured to rotate normally, the spring 8 is fixedly connected to the outer wall of the outer ring of the first bearing 7, the supporting block 9 is fixedly connected to the end of the spring 8, the supporting block 9 is arc-shaped, the outer wall of the supporting block 9 is provided with a rubber pad, and the inner wall of the steel pipe 4 is stably supported by the supporting block 9.

Referring to fig. 3, in order to ensure the stability of the two sets of steel pipes 4, the diameter of the supporting plate 6 is larger than that of the steel pipes 4, and the bottom of the outer wall of the supporting plate 6 is attached to the upper end surface of the bottom plate 1.

Example 2

Referring to fig. 3, in order to ensure that the supporting block 9 can stably support the inner wall of the steel pipe 4, the springs 8 are arranged in an annular array on the outer wall of the outer ring of the first bearing 7, the inner ring of each spring 8 is provided with a telescopic rod, one end of each telescopic rod is fixedly connected with the outer wall of the outer ring of the first bearing 7, and the other end of each telescopic rod is fixedly connected with the inner wall of the supporting block 9.

The working principle is as follows: when the device is used, one ends of two groups of steel pipes 4 are attached to the opposite surfaces of the supporting plate 6, the supporting blocks 9 are extruded, six groups of supporting blocks 9 are stably supported on the inner wall of an inner cavity of the steel pipe 4, an external power supply is connected, the first electric telescopic rod 3 is started, the first electric telescopic rod 3 extends to drive the two groups of steel pipes 4 to be close to each other, the opposite surfaces of the two groups of steel pipes 4 are attached to each other, the driving motor 52 is started, the driving motor 52 drives the two-way screw 53 to rotate, the two-way screw 53 is matched with the slider 54 through the sliding groove 51 and has a limiting effect, the two-way screw 53 drives the two groups of sliders 54 to be close to or far away from each other, the two groups of sliders 54 drive the clamping blocks 55 to be close to or far away from each other, the outer walls of the two groups of rollers 57 are attached to the outer wall of the steel pipe 4, the steel pipe 4 is conveniently pushed to rotate, the second electric telescopic rod 11 is rotated, the second electric telescopic rod 11 is started, the extension and the tail end of the submerged arc welding head 13 is adjusted according to the distance between the connecting seam, the steel pipe 4 is attached to the connecting seam, and the submerged arc welding machine is started, and the steel pipe 4 is welded.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A submerged arc welding machine for longitudinal seam welding of steel pipes, comprising a base plate (1), characterized in that: the steel pipe clamping device is characterized in that a fixing plate (2) is fixedly connected to the left side and the right side of the upper end face of a bottom plate (1), a fixing plate (2) is close to a first electric telescopic rod (3) of a fixing end face center, a clamping device is arranged at the tail end of the first electric telescopic rod (3) and is two sets of steel pipes (4) evenly arranged between the clamping devices, a clamping mechanism (5) is longitudinally arranged in the middle of the end face of the bottom plate (1), the clamping mechanism (5) corresponds to the joint of the steel pipes (4), a second bearing (10) is fixedly connected to the front side of the middle of the upper end face of the bottom plate (1), a second electric telescopic rod (11) is fixedly connected to the inner ring of the second bearing (10), a connecting rod (12) is fixedly connected to the outer wall of the tail end of the second electric telescopic rod (11), a welding head (13) is fixedly connected to the tail end face of the connecting rod (12), and the welding head (13) is located on the upper portion of the joint of the steel pipes (4).

2. A submerged arc welding machine for straight seam welding of steel pipes according to claim 1, characterized in that: fixture (5) are including spout (51), driving motor (52), two-way lead screw (53), slider (54), grip block (55), recess (56) and roll roller (57), spout (51) have been seted up at bottom plate (1) up end middle part, bottom plate (1) preceding terminal surface middle part fixedly connected with driving motor (52), the motor shaft of driving motor (52) runs through and extends to inside and the two-way lead screw (53) of fixedly connected with of spout (51), the terminal swing joint of two-way lead screw (53) is at the inside rear side inner wall of spout (51), slider (54) have all been cup jointed to both sides outer wall around two-way lead screw (53), the equal fixedly connected with grip block (55) of slider (54) up end, grip block (55) one end is personally submitted the slope form, the inclined plane of grip block (55) is corresponding, recess (56) have been seted up at the inclined plane middle part of grip block (55), recess (56) inner chamber swing joint has rolled roller (57), roll roller (57) outer wall and steel pipe (4) outer wall laminating mutually.

3. A submerged arc welding machine for longitudinal seam welding of steel pipes according to claim 2, characterized in that: the width of the sliding block (54) is matched with the inner width of the sliding groove (51), the upper end face of the sliding block (54) is flush with the upper end face of the bottom plate (1), and the width of the clamping block (55) is larger than that of the sliding block (54).

4. A submerged arc welding machine for straight seam welding of steel pipes according to claim 1, characterized in that: clamping device includes backup pad (6), first bearing (7), spring (8) and supporting shoe (9), the equal fixedly connected with backup pad (6) in end of first electric telescopic handle (3), the first bearing of opposite face center department fixedly connected with (7) of backup pad (6), the inner circle and backup pad (6) welded connection of first bearing (7), the even fixedly connected with spring (8) of the outer lane outer wall of first bearing (7), the equal fixedly connected with supporting shoe (9) in spring (8) end.

5. A submerged arc welding machine for straight seam welding of steel pipes according to claim 4, characterized in that: the diameter of the supporting plate (6) is larger than that of the steel pipe (4), and the bottom of the outer wall of the supporting plate (6) is attached to the upper end face of the bottom plate (1).

6. A submerged arc welding machine for longitudinal seam welding of steel pipes according to claim 4, characterized in that: the spring (8) is arranged on the outer wall of the outer ring of the first bearing (7) in an annular array mode, the inner ring of the spring (8) is provided with a telescopic rod, one end of the telescopic rod is fixedly connected with the outer wall of the outer ring of the first bearing (7), and the other end of the telescopic rod is fixedly connected with the inner wall of the supporting block (9).