CN213702392U

CN213702392U - Visual welding set of overlength pipe inner seam

Info

Publication number: CN213702392U
Application number: CN202021843194.9U
Authority: CN
Inventors: 卢文建; 华希俊; 朱翊航; 杨启志
Original assignee: Jiangsu Beiyang Communication Equipment Co ltd
Current assignee: Jiangsu Beiyang Communication Equipment Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-07-16
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a visual welding device for an overlong pipe inner seam, which comprises a fixed truss; a first fixing plate is fixedly connected to one side of the bottom of the fixed truss, a second fixing plate is fixedly connected to the other side of the bottom of the fixed truss, a first motor is arranged on one side of the first fixing plate, a first coupler is fixedly connected to an output shaft of the first motor, and a first ball screw is arranged on the output shaft of the first motor through the first coupler; this visual welding set of overlength pipe inside joint is through setting up feeding device to set up the two-way welding set of symmetry at both ends, accomplish overlength pipe inside joint welding, improve welding efficiency by a wide margin, shorten production cycle, bring more benefits for the enterprise, through set up the CCD camera near welder, in time adjust welder position through image transmission, realize the accurate welding of welding seam, not only effectively guarantee welding quality, simple and reliable moreover is fit for extensive popularization and application.

Description

Visual welding set of overlength pipe inner seam

Technical Field

The utility model particularly relates to a visual welding set of overlength pipe inner joint.

Background

With the development of communication and power technologies, higher requirements are also put forward on the communication, power and other pipe towers. For example, the large-scale overlength communication pipe tower that generally uses at present is mostly the circular pipe tower based on flange joint, and for convenient maintenance operation, this kind of type pylon generally is interior flange joint, needs to maintain the operation at pipe diameter internally mounted, so the inside pipe diameter of pylon is big, production cycle is long, and production technology is complicated, because flange joint bolt is in large quantity, later maintenance cost is higher. Therefore, it is urgently needed to develop a novel ultra-long communication pipe tower which can greatly reduce the complexity of the production process, the number of parts, the length of welding lines, the production period and the like. The plug-in type pipe tower is a novel communication pipe tower technique of the rapid development in recent years, relies on the wedge grafting of two sections tip to realize connecting, does not have ring flange, a large amount of connecting fasteners that traditional flange joint needs, and the fail safe nature of communication tower improves by a wide margin, effectively reduces the later maintenance degree of difficulty, has reduced manufacturing procedure by a wide margin, has shortened production cycle. Therefore, in recent years, the novel pipe tower is developed rapidly, and many domestic and foreign pipe tower production enterprises begin to use the novel communication pipe tower, but the bottleneck problem of ultra-long pipe inside seam welding technology cannot be broken through in the production process, so that the large-batch popularization and application of the novel communication pipe tower are limited.

Chinese patent 201210191677.9 discloses a large-diameter pipeline welding device, which comprises a pipeline supporting tool, a track on a pipeline supporting cantilever, and the like, and is suitable for inner seam welding of large-diameter pipelines. The utility model discloses an adopt pipeline welding back of body gas protection device, can reduce the inflation time greatly, production efficiency improves greatly, and through the quantity that reduces inert gas, the cost is descended by a wide margin. However, the utility model is not provided with a welding seam detection device, the visualization degree is low, and the welding quality is difficult to be reliably ensured; chinese patent 201310219814.X discloses a pipeline multipoint synchronous automatic welding process, wherein the construction efficiency can be greatly improved by adopting eight-welding-torch pipeline synchronous welding, the welding seam stress can be uniformly distributed by subsection multipoint synchronous welding, and the potential safety hazard caused by stress concentration is eliminated. However, the utility model is only suitable for the welding of the outer ring surface of the pipeline, and the problem of the inner seam welding of the pipeline cannot be solved; chinese patent 201420487305.5 discloses a pipeline automatic welder, including welded platform, fixed block, slip lead screw, moving guide, moving step motor, removal rail, slip step motor, telescopic link, welder and welding gun pipe etc. part, this utility model device reaches pipeline automatic weld through control motor to enable welder and do 360 spin welding, the welding is nimble, and welding stability is high, does not receive the restriction of pipeline diameter. But this utility model does not relate to the visual welding problem of the inside sharp welding seam of overlength pipe, can not obtain timely effectual adjustment when the welding seam has the flaw, so to welding quality accurate control comparatively difficult.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a visual welding set of overlength pipe internal joint, solved because present overlength pipe tower is bent many times by two overlength steel sheets and is formed half arc, later the welding together, two welding seams of every festival, every welding seam divides outside of tubes, intraductal twice welding. But because the welding of internal seam need go on in narrow and small pipe diameter is inside, the operation is inconvenient, and visual degree is lower, and welding quality is difficult for guaranteeing, seriously influences the problem of tube tower quality.

In order to solve the technical problem, the visual welding device for the inner seam of the overlong pipe provided by the utility model comprises a fixed truss;

a first fixing plate is fixedly connected to one side of the bottom of the fixed truss, a second fixing plate is fixedly connected to the other side of the bottom of the fixed truss, a first motor is arranged on one side of the first fixing plate, a first coupler is fixedly connected to an output shaft of the first motor, and a first ball screw is arranged on the output shaft of the first motor through the first coupler;

one end of the first ball screw penetrates through the second fixing plate and extends to one side of the second fixing plate, a first encoder is arranged at one end of the first ball screw, which extends to one side of the second fixing plate, and the first encoder is arranged at one side of the second fixing plate;

a second motor is arranged on one side of the second fixing plate and located on one side of the first encoder, and a second ball screw is arranged on an output shaft of the second motor;

a first fixing table and a second fixing table are respectively arranged between the outer surfaces of the first ball screw and the second ball screw, XY sliding table modules are respectively arranged on one sides of the first fixing table and one side of the second fixing table, and a first welding gun, a first CCD camera, a second welding gun and a second CCD camera are respectively arranged on the two XY sliding table modules;

the XY sliding table module is driven to do axial feeding motion on the sliding rail through the double-screw feeding device, the welding gun is arranged on the XY sliding table module to complete the inner seam welding operation of the overlong pipe tower, the CCD camera is arranged on the welding gun fixing rack to shoot the inside welding live of the pipe tower, the position of the welding gun is timely adjusted through the tracking operation image of the display terminal, and the inner seam welding quality is guaranteed.

Preferably, two ball screw fixing plates are arranged between the outer surfaces of the first ball screw and the second ball screw, and the tops of the two ball screw fixing plates are arranged at the bottom of the fixed truss.

Preferably, the bottom of the fixed truss is provided with a sliding rail.

Preferably, the XY sliding table module comprises two driving motors, two speed reducers and two second couplers.

Preferably, the two speed reducers are respectively disposed at output shafts of the two driving motors, and the two second couplers are respectively disposed at one sides of the two speed reducers.

Preferably, one side of each of the two speed reducers is provided with a transverse ball screw and a longitudinal ball screw through two second couplings.

Preferably, one end of the second ball screw penetrates through the first fixing plate and extends to one side of the first fixing plate, a second encoder is arranged at one end of the second ball screw, which extends to one side of the first fixing plate, and the second encoder is arranged at one side of the second fixing plate.

Preferably, ball nuts are arranged on the top of one side of each of the first fixing table and the second fixing table.

Compared with the prior art, the utility model provides a visual welding set of overlength pipe inner joint has following beneficial effect:

the utility model provides a visual welding set of overlength pipe internal seam, make axial feed motion on the slide rail through setting up two lead screw feeding device drive XY slip table modules, and set up welder and accomplish the inside seam welding operation of overlength pipe tower on XY slip table modules, set up CCD camera shooting pipe tower inside on welder fixed rack and weld live, trail the operation image through the display terminal and in time adjust the welder position, guarantee inside seam welding quality;

through setting up feeding device to set up the two-way welding set of symmetry at both ends, accomplish overlength pipe inside seam welding, improve welding efficiency by a wide margin, shorten production cycle, bring more benefits for the enterprise, through set up the CCD camera near welder, in time adjust welder position through image transmission, realize the accurate welding of welding seam, not only effectively guarantee welding quality, simple and reliable moreover is fit for extensive popularization and application.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a visual welding device for an inner seam of an ultra-long pipe provided by the present invention;

FIG. 2 is a top view of the visual welding device for the inner seam of the overlong pipe shown in FIG. 1;

fig. 3 is a schematic structural view of the XY slide table module shown in fig. 1.

Reference numbers in the figures: 1. the welding device comprises a fixed truss, 2, a first motor, 3, a first fixed plate, 4, a first coupler, 5, a ball screw fixed plate, 6, a first fixed platform, 7, a ball nut, 8, an XY sliding table module, 801, a driving motor, 802, a speed reducer, 803, a second coupler, 804, a transverse ball screw 805, a longitudinal ball screw, 9, a first welding gun, 10, a first CCD camera, 11, a first ball screw, 12, a sliding rail, 13, a second motor, 14, a first encoder, 15, a second fixed platform, 16, a second welding gun, 17, a second CCD camera, 18, a second ball screw, 19, a second encoder, 20 and a second fixed plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a visual welding device for an inner seam of an ultra-long pipe according to a preferred embodiment of the present invention; FIG. 2 is a top view of the visual welding device for the inner seam of the overlong pipe shown in FIG. 1; fig. 3 is a schematic structural view of the XY slide table module shown in fig. 1. The visual welding set of the inner seam of overlength pipe, including the fixed truss 1;

a first fixing plate 3 is fixedly connected to one side of the bottom of the fixed truss 1, a second fixing plate 20 is fixedly connected to the other side of the bottom of the fixed truss 1, a first motor 2 is arranged on one side of the first fixing plate 3, a first coupler 4 is fixedly connected to an output shaft of the first motor 2, and a first ball screw 11 is arranged on the output shaft of the first motor 2 through the first coupler 4;

a second motor 13 is arranged on one side of the second fixing plate 20, the second motor 13 is positioned on one side of the first encoder 14, and a second ball screw 18 is arranged on an output shaft of the second motor 13;

a first fixing table 6 and a second fixing table 15 are respectively arranged between the outer surfaces of the first ball screw 11 and the second ball screw 18, XY sliding table modules 8 are respectively arranged on one sides of the first fixing table 6 and one side of the second fixing table 15, and a first welding gun 9, a first CCD camera 10, a second welding gun 16 and a second CCD camera 17 are respectively arranged on the two XY sliding table modules 8;

the XY sliding table module is driven to axially feed on the sliding rail by the double-screw feeding device, a welding gun is arranged on the XY sliding table module to complete the inner seam welding operation of the overlong pipe tower, a CCD camera is arranged on a welding gun fixing rack to shoot the welding live inside the pipe tower, the position of the welding gun is timely adjusted by tracking an operation image through a display terminal, and the inner seam welding quality is ensured;

the feeding device drives the sliding table module to perform feeding motion along the axial direction, so that the welding gun performs bidirectional symmetrical motion along the butt welding edge;

the fine adjustment device drives the welding gun to perform fine adjustment movement along the XY axis direction, so that the welding gun can perform fine adjustment movement in the vertical direction and the horizontal direction in a welding space, the position of a welding point is adjusted, and the welding quality is ensured;

visualization device, including first CCD camera 10 and second CCD camera 17, the CCD camera is fixed in XY slip table module 8 on, in welding process, transmits welding image to display terminal in real time to in time regulate and control welding process realizes accurate welding.

The feeding device comprises a first motor 2, a first fixing plate 3, a second fixing plate 20, a first coupler 4, a ball screw fixing plate 5, a first fixing table 6, a ball nut 7, an XY sliding table module 8, a first welding gun, a first ball screw 11, a sliding rail 12, a second motor 13, a first encoder 14, a second fixing table 15, a second welding gun 16, a second ball screw 18 and a second encoder 19.

The fine adjustment device comprises an XY sliding table module 8, a driving motor 801, a speed reducer 802, a second coupler 803, a transverse ball screw 804 and a longitudinal ball screw 805, the driving motor 801 drives the welding gun to perform fine adjustment up and down and left and right along the XY axis direction, the position of a welding point is adjusted, and accurate welding is achieved.

Visualization device includes first CCD camera 10, second CCD camera 17, computer terminal, and on the CCD camera was fixed in XY slip table module, in welding process, can transmit welding image to computer terminal in real time, through remote controller control welding process, adjustment welder position guaranteed welding quality.

In the welding process, the welding current of the bottom layer is set to be 150A, and the wire feeding speed is 600mm/min-900 mm/min; in the welding process, the welding current of the filling layer is set to be 180A-200A, and the wire feeding speed is 600mm/min-900 mm/min; the welding gun is positioned on the left side and the right side, and can feed simultaneously to realize bidirectional welding, so that the welding efficiency is greatly improved.

Two ball screw fixing plates 5 are arranged between the outer surfaces of the first ball screw 11 and the second ball screw 18, and the tops of the two ball screw fixing plates 5 are both arranged at the bottom of the fixed truss 1;

the ball screw is controlled by a motor to make axial feeding movement, and drives the welding gun to move along the butt welding edge in a bidirectional and symmetrical manner, so that the welding of the butt welding edge is completed.

The bottom of the fixed truss 1 is provided with a slide rail 12;

the XY sliding table module 8 is driven to do axial feeding motion on the sliding rail 12 by arranging a double-screw feeding device.

The XY sliding table module 8 includes two driving motors 801, two speed reducers 802, and two second couplers 803;

XY slip table module 8 finely tunes in the XY plane through the drive motor 801 drive, adjusts the solder joint position, realizes accurate welding.

The two speed reducers 802 are respectively disposed on output shafts of the two driving motors 801, and the two second couplers 803 are respectively disposed on one side of the two speed reducers 802.

One side of the two speed reducers 802 is provided with a lateral ball screw 804 and a longitudinal ball screw 805 through two second couplings 803, respectively.

One end of the first ball screw 11 penetrates the second fixing plate 20 and extends to one side of the second fixing plate 20, a first encoder 14 is disposed at one end of the first ball screw 11 extending to one side of the second fixing plate 20, and the first encoder 14 is disposed at one side of the second fixing plate 20.

One end of the second ball screw 18 penetrates the first fixing plate 3 and extends to one side of the first fixing plate 3, a second encoder 19 is arranged at one end of the second ball screw 18 extending to one side of the first fixing plate 3, and the second encoder 19 is arranged at one side of the second fixing plate 20.

And ball nuts 7 are arranged at the tops of one sides of the first fixing table 6 and the second fixing table 15.

Bending the overlong steel plate for multiple times through a multi-edge high-precision bending machine of the overlong medium plate to form a semi-arc-shaped prefabricated part, and removing burrs on the edge of the semi-arc-shaped prefabricated part; fixing the pipeline by using a special clamp to ensure the butt welding edges to be correctly butted; according to the length of the welded pipeline, the first motor 2 and the second motor 13 are started, the first ball screw 11 and the second ball screw 18 are driven to move to the welding starting position, the subsequent welding work is facilitated, and the welding of pipelines with different lengths can be met; starting the first motor 2 and the second motor 13, so that the XY sliding table module 8 performs axial symmetric feeding motion on the sliding rail 12, driving the first welding gun 9 and the second welding gun 16 to perform seamless welding along butt welding edges, and setting the welding current to be 150A and the wire feeding speed to be 750mm/min in the primary bottoming layer welding process; in the welding process, monitoring the welding process according to the images transmitted to the display terminal by the first CCD camera 10 and the second CCD camera 17, starting a driving motor 801 on the XY sliding table module 8 in due time according to the appearance of a welding seam, driving a transverse ball screw 804 and a longitudinal ball screw 805 to move for a certain distance along the designated direction, and adjusting the position of a welding gun; after welding, closing the electric brake of the welding gun, driving the first welding gun 9 and the second welding gun 16 to axially withdraw from the pipeline, and completing the welding process of the bottom layer; repeating the above operations, setting the welding current of the filling layer to be 180A, and setting the wire feeding speed to be 750mm/min, thereby completing the welding process of the filling layer; and (5) checking the quality of the welding line and finishing the whole welding operation process.

The utility model provides a visual welding set of overlength pipe inner seam's theory of operation as follows:

firstly, according to the length of a welded pipe, the first motor 2 and the second motor 13 are started, the first ball screw 11 and the second ball screw 18 are driven to move to the welding starting position, and welding work of welded pipes of different models is met. Start first motor 2, axial symmetry feed motion is made to second motor 13 drive XY slip table module 8 on slide rail 12, thereby make welder can move to the inside seam weldment work that begins of overlength intraduct, in the feed motion in-process, welding process can be shot with second CCD camera 17 all the time to first CCD camera 10, and with animation transmission to control terminal, when certain deviation appears in welding quality, start driving motor 801 on XY slip table module 8, drive horizontal ball 804 and longitudinal ball 805 along one section distance of specified direction displacement, the adjustment welder position is in order to guarantee welding quality.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A visual welding device for an inner seam of an overlong pipe is characterized by comprising a fixed truss;

a first fixing table and a second fixing table are respectively arranged between the outer surfaces of the first ball screw and the second ball screw, XY sliding table modules are arranged on one sides of the first fixing table and the second fixing table, and a first welding gun, a first CCD camera, a second welding gun and a second CCD camera are respectively arranged on the two XY sliding table modules.

2. The visual welding device of the inner seam of the overlong pipe as claimed in claim 1, wherein: two ball screw fixing plates are arranged between the outer surfaces of the first ball screw and the second ball screw, and the tops of the two ball screw fixing plates are arranged at the bottom of the fixed truss.

3. The visual welding device of the inner seam of the overlong pipe as claimed in claim 1, wherein: and a sliding rail is arranged at the bottom of the fixed truss.

4. The visual welding device of the inner seam of the overlong pipe as claimed in claim 1, wherein: XY slip table module includes two driving motor, two reduction gears, two second couplers.

5. The visual welding device of the inner seam of the overlong pipe as claimed in claim 4, wherein: the two speed reducers are respectively arranged on the output shafts of the two driving motors, and the two second couplers are respectively arranged on one side of the two speed reducers.

6. The visual welding device of the inner seam of the overlong pipe as claimed in claim 5, wherein: and one side of each of the two speed reducers is provided with a transverse ball screw and a longitudinal ball screw through two second couplers.

7. The visual welding device of the inner seam of the overlong pipe as claimed in claim 1, wherein: one end of the second ball screw penetrates through the first fixing plate and extends to one side of the first fixing plate, a second encoder is arranged at one end of one side of the second ball screw, which extends to the first fixing plate, and the second encoder is arranged at one side of the second fixing plate.

8. The visual welding device of the inner seam of the overlong pipe as claimed in claim 1, wherein: and ball nuts are arranged at the tops of one sides of the first fixing table and the second fixing table.