CN218426376U

CN218426376U - Fixing device of steel pipe stitch welding all-in-one

Info

Publication number: CN218426376U
Application number: CN202221331579.6U
Authority: CN
Inventors: 张加丽; 武兆阳; 高志欣; 刘德利; 王至增
Original assignee: Shandong Gaoxin Intelligent Equipment Co ltd
Current assignee: Shandong Gaoxin Intelligent Equipment Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2023-02-03
Anticipated expiration: 2032-05-30

Abstract

The utility model provides a fixing device of steel pipe stitch welding all-in-one, steel pipe stitch welding all-in-one include welding set and conveyor, and fixing device includes: the conveying device is arranged between the two support frames, the support frames are provided with sliding parts, and the sliding parts incline 45 degrees in the direction far away from the conveying device; the pushing piece is fixed on the supporting frame; the pushing piece is connected with the abutting piece, the abutting piece is arranged on the sliding portion, the pushing piece drives the abutting piece to slide up and down along the sliding portion, one side, close to the conveying device, of the abutting piece is provided with a plurality of abutting rolling shafts, and the abutting rolling shafts are rotatably connected with the abutting piece so that the abutting rolling shafts can move towards the direction far away from or close to the inner portion of the abutting piece. The position of the abutting roller can be adaptively adjusted according to the shape of the processed steel pipe, the supporting effect of the abutting piece on the steel pipe is enhanced, the moving frequency of the abutting piece is reduced, and the production efficiency is improved.

Description

Fixing device of steel pipe stitch welding all-in-one

Technical Field

The application belongs to the technical field of pipe welding equipment, and particularly relates to a fixing device of a steel pipe stitch welding all-in-one machine.

Background

The steel pipe seam welding machine is one of key equipment of heavy-calibre longitudinal welded pipe production line, and the steel pipe is fixed to current common steel pipe seam welding machine adopts the tight pneumatic cylinder of lower pressure pneumatic cylinder butt steel pipe top weld seam department and both sides clamp to carry out the butt to the steel pipe to carry out steel pipe seam welding. Because the self weight of the large-caliber steel pipe is large, the steel pipe is formed by welding two semicircular steel pipe sheets, and is influenced by the self structure and the weight, in order to ensure the structural strength of the whole steel pipe, a large gap needs to be reserved between the two steel pipe sheets for filling welding liquid to form a welding seam, and in order to improve the stability of the steel pipe, the left side compression roller assembly and the right side compression roller assembly both have certain resisting force on the surface of the steel pipe. Because the multi-pyramid steel pipe not only has conicity but also has edges, when the multi-pyramid steel pipe is processed, firstly, blank sheets are assembled manually and are subjected to initial spot welding, and then welding seams are welded on a submerged arc welding machine, so that the process is complicated, and the production efficiency is easily influenced by operators. In the process of mass production, manual operation is not only inefficient but also the quality of products is uneven, but the existing pressure roller assemblies are mainly suitable for circular or prismatic steel pipes with invariable size.

The above description is included in the technical knowledge of the inventors, and does not necessarily constitute a prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fixing device of steel pipe stitch welding all-in-one, the adaptability adjustment can be done according to the shape of the steel pipe of processing in the position of its butt roller bearing, and reinforcing butt piece reduces butt piece removal frequency to the supported effect of steel pipe, improves production efficiency, effectively solves above-mentioned problem.

In order to solve the above problem, the utility model provides a fixing device of steel pipe stitch welding all-in-one, steel pipe stitch welding all-in-one include welding set and conveyor, and fixing device includes: the conveying device is arranged between the two support frames, the support frames are provided with sliding parts, and the sliding parts incline 45 degrees in the direction far away from the conveying device; the pushing piece is fixed on the supporting frame; the pushing piece is connected with the abutting piece, the abutting piece is arranged on the sliding portion, the pushing piece drives the abutting piece to slide up and down along the sliding portion, one side, close to the conveying device, of the abutting piece is provided with a plurality of abutting rolling shafts, the abutting rolling shafts are in rotating connection with the abutting piece, and the abutting rolling shafts can move towards the direction far away from or close to the inner portion of the abutting piece.

Further, the butt piece includes butt body, elasticity promotion portion and connecting rod, and the butt body links to each other with the impeller, and the connecting rod is provided with a plurality ofly relatively from top to bottom and extends to fixed space, and elasticity promotion portion links to each other with butt body and connecting rod respectively, and the butt roller bearing rotates with the connecting rod to be connected.

Further, the elastic pushing part is a polyurethane elastomer or a spring.

Further, the abutting part comprises a moving base, a connecting block and a mounting block, the pushing part is connected with the moving base, the connecting block is transversely hinged to the moving base so that the connecting block can rotate up and down, the mounting block is vertically hinged to the connecting block, and the abutting rolling shaft is arranged on the mounting block.

Furthermore, a supporting part transversely extends in the fixed space of the movable base, and the connecting block is hinged with the supporting part.

Furthermore, the connecting block is provided with the limiting plate in installation piece both sides, and the installation piece is provided with along vertical direction and supports and lean on the arch, support lean on the arch can with the limiting plate butt.

Furthermore, a moving roller is arranged on one side, close to the support frame, of the moving base and moves up and down along the sliding part.

Furthermore, the sliding part is a guide rail, and moving rollers are arranged on two sides of the guide rail.

Furthermore, the pushing piece is a hydraulic cylinder, and the output end of the hydraulic cylinder is connected with the abutting piece.

Furthermore, a distance sensor is arranged on the abutting part and electrically connected with a control switch, and the control switch controls the pushing part to move.

The beneficial effects of the utility model reside in that, butt spare downward sloping 45, make the contact position atress of butt spare and steel pipe even, avoid the steel pipe to receive horizontal or vertical power too big and lead to welding seam undersize or steel pipe to take place to warp, simultaneously through the butt roller bearing, make the butt spare to make the adaptability remove in the position to the steel pipe removal in-process butt roller bearing, so that the butt spare can fully support on the surface at the steel pipe of different shapes, improve the fixed effect of joint close mechanism to the steel pipe, reduce the frequency that the butt spare removed, and the production efficiency is improved, and the accommodation is more extensive.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the application and not to limit the invention. In the drawings:

fig. 1 is a schematic front view of an embodiment of the present invention.

Fig. 2 is a schematic perspective view of an embodiment.

Fig. 3 is a partially enlarged schematic view of a portion a in the embodiment shown in fig. 2.

10, a welding device; 20. a conveying device; 30. a support frame; 301. a sliding part; 40. a pusher member; 50. an abutting member; 501. abutting against the roller; 502. an elastic pushing part; 503. a connecting rod; 504. a movable base; 5041. a support portion; 5042. moving the roller; 505. connecting blocks; 5051. a limiting plate; 506. mounting blocks; 5061. against the projection.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The utility model discloses in, as shown in fig. 1-3, provide a fixing device of steel pipe stitch welding all-in-one, steel pipe stitch welding all-in-one includes welding set 10 and conveyor 20, and fixing device includes: the welding device comprises two oppositely arranged support frames 30, the support frames 30 are arranged on one side of the welding device 10, a fixing space is formed between the two support frames 30, the conveying device 20 is arranged between the two support frames 30, the support frames 30 are provided with sliding parts 301, and the sliding parts 301 incline 45 degrees in the direction far away from the conveying device 20; the pushing piece 40 is fixed on the supporting frame 30; the pushing element 40 is connected with the abutting element 50, the abutting element 50 is arranged on the sliding portion 301, the pushing element 40 drives the abutting element 50 to slide up and down along the sliding portion 301, one side of the abutting element 50, which is close to the conveying device 20, is provided with a plurality of abutting rollers 501, the abutting rollers 501 are rotatably connected with the abutting element 50, and the abutting rollers 501 can rotate towards the direction far away from or close to the inner portion of the abutting element 50.

As shown in fig. 1 and 2, the steel pipe seam welding integrated machine comprises a welding device 10, a conveying device 20 and a seam welding mechanism, wherein the welding device 10 comprises a welding gantry, a welding head, a welding wire and a probe which are fixed on the welding gantry, the probe extends into a to-be-welded seam of a steel pipe during welding, the welding head and the welding wire are guided to be matched with and weld the to-be-welded seam, the height of the welding head and the height of the probe are adjusted to adapt to the size of the steel pipe, the conveying device 20 is arranged below the welding gantry, the steel pipe is arranged above the conveying device 20, the conveying device 20 drives the steel pipe to move towards the direction close to the welding gantry, the steel pipe moves forwards along with the conveying device 20 during production, otherwise, the steel pipe moves backwards, the seam welding mechanism is arranged in front of the welding gantry, close seam mechanism is including being fixed in the support frame 30 on ground, install in pushing element 40 and butt piece 50 that support plus, form the fixed space between two support frames 30, butt piece 50 treats the steel pipe in weld front and presss from both sides tightly fixedly in the fixed space, be convenient for follow-up welding, one side that support frame 30 is close to the fixed space is provided with the sliding part 301 of outside slope, sliding part 301 slope 45, butt piece 50 is arranged in on sliding part 301, it reciprocates along sliding part 301 to drive butt piece 50 by pushing element 40, the lateral pressure and the vertical pressure that contact position received like this are comparatively even, avoid two steel sheets to receive that certain direction pressure is too big to lead to welding seam undersize or steel pipe surface to take place to warp, and influence subsequent welding process.

Firstly, half-cone-shaped steel pipe blank sheets which are oppositely combined are held together by a pipe hoop or other special fixtures, a steel pipe is placed on a conveying device 20, when a worker operates and controls the conveying device 20 to quickly convey a steel sheet to the vicinity of a probe of a welding device 10, the control device adjusts the conveying device 20 to switch to slow conveying, meanwhile, when a probe enters a gap between the two blank sheets, a pushing piece 40 pushes the abutting piece 50 to slide down to a proper position along a sliding part, so that the abutting roller 501 on the abutting piece 50 is in surface contact with the half-cone-shaped steel pipe blank sheet, then, the pushing piece 40 moves continuously towards the steel pipe blank sheet, the abutting piece 50 on the left side and the right side tightly clamps the steel pipe blank sheet, the abutting roller 501 is tightly attached to the steel pipe blank sheet in the clamping process, at the moment, the welding head close to the welding line starts to work under the cooperation of the welding wire, the welding seam formed by the two half-cone-shaped steel pipe blank sheets moving at a constant speed is welded, and as the size of the roller cone-shaped steel pipe is changed, the abutting piece 501 moves towards the direction far away from or close to the inside of the abutting piece 50, so that the abutting piece 50 moving to a certain height can be welded, the steel pipe can be welded without being frequently lifted or adapted to a longer distance of the steel pipe.

The utility model discloses a 50 downward sloping 45 of butt spare for the contact position atress of butt spare 50 and steel pipe is even, avoid the steel pipe to receive horizontal or vertical power too big and lead to welding seam undersize or steel pipe to take place to warp, the phenomenon that reduces the steel pipe derail takes place, simultaneously through butt roller bearing 501, make butt spare 50 make adaptability removal in the position to steel pipe removal in-process butt roller bearing 501, so that butt spare 50 can fully support and lean on the surface at not unidimensional steel pipe, improve the fixed effect of joint close mechanism to the steel pipe, reduce the frequency that butt spare 50 removed, and the production efficiency is improved, and the accommodation is more extensive.

It is clear that, in the utility model discloses in, the transverse direction is the transverse direction in the front view that fig. 1 shows, and vertical direction is the direction of height in the picture, and longitudinal direction is the length direction of steel pipe.

More specifically, as shown in fig. 1 and 3, the abutting member 50 includes an abutting body, an elastic pushing portion 502 and a connecting rod 503, the abutting body is connected to the pushing member 40, the connecting rod 503 is provided with a plurality of upper and lower opposite ends and extends into the fixing space, the elastic pushing portion 502 is respectively connected to the abutting body and the connecting rod 503, and the abutting roller 501 is rotatably connected to the connecting rod 503. The butt body is provided with elasticity promotion portion 502 to the fixed space direction, connecting rod 503 is fixed on elasticity promotion portion 502, connecting rod 503 is provided with two-layerly from top to bottom, install butt roller 501 between two relative connecting rod 503 from top to bottom, butt roller 501 laminates the surface at the steel pipe, move along with the steel pipe in the welding process and rotate thereupon, when pyramid steel pipe size changes, butt roller 501 can be close to or keep away from to butt body one side, the elasticity promotion portion 502 of the compression of different degrees, when making the size of pyramid steel pipe change in certain extent, need not frequently to start the high position of impeller 40 control butt 50 and change thereupon, and elasticity promotion portion 502 plays the guard action to butt roller 501, avoid the workman to forget the position of adjustment butt 50 and lead to the steel pipe or butt roller 501 extrusion deformation when welding, improve the installation protective capacities of equipment.

In addition to the above-mentioned embodiments of the connecting rod 503, in order to improve the protection effect on the abutting rollers 501, the connecting rod 503 may also be replaced by a casing or a rectangular frame with a one-way opening, the opening side of the casing faces the fixing space, one side of the casing opposite to the opening side is fixed on the elastic pushing portion 502, the abutting piece 50 includes a plurality of abutting rollers 501, the abutting rollers 501 are vertically arranged along the advancing direction of the steel pipe, that is, the length direction of the steel pipe, the abutting rollers 501 may be installed inside one casing or rectangular frame, or may be installed inside different casings or rectangular frames, and different abutting rollers 501 may be adaptively changed according to the sizes of different positions of the steel pipe.

It should be further noted that the elastic pushing portion 502 is a polyurethane elastomer or a spring, the elastic pushing portion 502 may move toward a fixed space or contract toward a direction away from the fixed space, so as to drive the abutting roller 501 to move left and right to adapt to the size change of the steel pipe, the abutting body may be provided with a supporting guide groove on the abutting body, a portion of the polyurethane elastomer is disposed in the supporting guide groove, and the other side of the polyurethane elastomer is inserted into the connecting rod 503.

Preferably, as shown in fig. 3, the abutting member 50 includes a moving base 504, a connecting block 505 and a mounting block 506, the pushing member 40 is connected with the moving base 504, the connecting block 505 is transversely hinged with the moving base 504 so that the connecting block 505 can rotate up and down, the mounting block 506 is vertically hinged with the connecting block 505, and the abutting roller 501 is arranged on the mounting block 506. As shown in fig. 1, the moving base 504, the connecting block 505 and the mounting block 506 are sequentially arranged towards one side of the moving device along the transverse direction, the mounting block 506 in the abutting piece 50 is an abutting body, the abutting roller 501 is arranged on one side of the mounting block 506 close to the conveying device 20, a first rotating shaft is arranged between the connecting block 505 and the moving base 504, and is parallel to the length direction of the steel pipe, so that the connecting block 505 can rotate up and down along the vertical direction around the moving base 504, thus when the abutting piece 50 is in surface contact with the steel pipe, the height of the abutting roller 501 can be changed, the steel pipe is suitable for pyramid-shaped steel pipes with different inclination angles and sizes, the connecting block 505 and the mounting block 506 are connected through a second rotating shaft arranged in the vertical direction, when the steel pipe is conveyed, the abutting rotating shaft and the surface of the steel pipe are in rolling fit, the mounting block 506 can swing left and right around the second rotating shaft along the conveying direction of the steel pipe, the rotating shaft in the direction enables the abutting roller 501 to abut against the inclined plane of the steel pipe, and the steel pipe, meanwhile, the rotating shaft is in the state that the rolling shaft is always in the moving state, the rotating in the direction can avoid the rigid abutment 501 from abutting against the steel pipe, the left and right swinging, and right can play a certain buffering effect, and reduce the friction between the steel pipe 50.

More specifically, the moving base 504 has a support 5041 extending laterally toward the inside of the fixed space, and the connecting block 505 is hinged to the support 5041. This can shorten the distance of movement of the pushing member 40, so that the abutment member 50 can more easily abut against the steel pipe, and because of the support 5041, the rotation angle of the mounting block 506 rotatably connected to the connecting block 505 can be made to have a larger range, so that the angle range in which the mounting block 506 can be rotated downward is increased, and the abutment roller 501 can more easily be adjusted to abut against the surface of the steel pipe when the position of the abutment member 50 is adjusted.

Preferably, the connecting block 505 is provided with the limiting plates 5051 on two sides of the mounting block 506, the mounting block 506 is provided with the abutting protrusions 5061 in the vertical direction, the abutting protrusions 5061 can abut against the limiting plates 5051, the situation that the abutting roller 501 is parallel to the steel pipe due to the fact that the rotating angle of the mounting block 506 is too large and the steel pipe cannot be extruded and fixed is avoided, and therefore the limiting plates 5051 are arranged on two sides of the connecting block 505, and the mounting block 506 can rotate left and right within a certain range.

It should be further noted that, in order to reduce the friction between the moving base 504 and the supporting frame 30, the moving roller 5042 is disposed on the side of the moving base 504 close to the supporting frame 30, and the moving roller 5042 moves up and down along the sliding portion 301.

Furthermore, as shown in fig. 2 and 3, the sliding portion 301 is a guiding rail, the two sides of the guiding rail are provided with moving rollers 5042, the guiding rail can be a flat plate, the flat plate can be provided with a groove for the moving rollers 5042 to slide, and the upper and lower sides of the guiding rail are provided with the moving rollers 5042 to limit the moving base 504, so as to reduce the shaking condition during operation.

Preferably, the pushing member 40 is a hydraulic cylinder, and the output end of the hydraulic cylinder is connected to the abutting member 50, so that a relatively stable pressure can be output in the hydraulic cylinder work process, and the fixing effect on the steel pipe is improved.

Further, a distance sensor is arranged on the abutting part 50 and electrically connected with a control switch, the control switch controls the pushing part 40 to move, the distance sensor can select an infrared distance sensor, the distance between the abutting part 50 and the steel pipe is monitored, a data signal is transmitted to the control switch, the control switch can select a PLC (programmable logic controller), and when the abutting part 50 is close enough to the steel pipe, the control switch controls the pushing part 40 to stop further moving so as to protect the pushing part 40 and the steel pipe.

The utility model can be realized by adopting or using the prior art for reference in places which are not mentioned in the utility model.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above are only examples of the present invention, and are not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a fixing device of steel pipe stitch welding all-in-one, steel pipe stitch welding all-in-one includes welding set and conveyor, its characterized in that includes:

the welding device comprises two oppositely arranged support frames, wherein the support frames are arranged on one side of the welding device, a fixed space is formed between the two support frames, the conveying device is arranged between the two support frames, the support frames are provided with sliding parts, and the sliding parts are inclined by 45 degrees in the direction far away from the conveying device;

the pushing piece is fixed on the supporting frame;

the pushing piece is connected with the abutting piece, the abutting piece is arranged on the sliding portion, the pushing piece drives the abutting piece to slide up and down along the sliding portion, one side, close to the conveying device, of the abutting piece is provided with a plurality of abutting rolling shafts, the abutting rolling shafts are connected with the abutting piece in a rotating mode, and the abutting rolling shafts can move towards the direction far away from or close to the inner portion of the abutting piece.

2. The fixing device for the all-in-one machine for steel pipe stitch welding according to claim 1, wherein the abutting member includes an abutting body, a plurality of elastic pushing portions and a connecting rod, the abutting body is connected to the pushing member, the connecting rods are arranged in a vertically opposite manner and extend into the fixing space, the elastic pushing portions are respectively connected to the abutting body and the connecting rod, and the abutting roller is rotatably connected to the connecting rod.

3. The fixing device of the all-in-one machine for steel pipe stitch welding according to claim 2, wherein the elastic pushing portion is a polyurethane elastomer or a spring.

4. The fixing device for the steel pipe stitch welding all-in-one machine according to claim 1, wherein the abutting piece comprises a moving base, a connecting block and a mounting block, the pushing piece is connected with the moving base, the connecting block is transversely hinged with the moving base so that the connecting block can rotate up and down, the mounting block is vertically hinged with the connecting block, and the abutting roller is arranged on the mounting block.

5. The fixing device of the all-in-one machine for seam welding and seam welding of the steel pipe as claimed in claim 4, wherein a support part extends transversely from the movable base to the inside of the fixing space, and the connecting block is hinged to the support part.

6. The fixing device for the steel pipe stitch welding all-in-one machine as claimed in claim 5, wherein limiting plates are arranged on two sides of the mounting block of the connecting block, a supporting protrusion is arranged on the mounting block in the vertical direction, and the supporting protrusion can be abutted to the limiting plates.

7. The fixing device for the all-in-one machine for seam welding and seam welding of the steel pipe as claimed in claim 4, wherein a moving roller is arranged on one side of the moving base close to the supporting frame, and the moving roller moves up and down along the sliding part.

8. The fixing device for the all-in-one machine for seam welding and seam welding of the steel pipe as claimed in claim 7, wherein the sliding part is a guide rail, and the moving rollers are arranged on both sides of the guide rail.

9. The fixing device of the all-in-one machine for steel pipe stitch welding according to claim 1, wherein the pushing piece is a hydraulic cylinder, and an output end of the hydraulic cylinder is connected with the abutting piece.

10. The fixing device of the all-in-one machine for seam welding and seam welding of the steel pipe as claimed in claim 1, wherein a distance sensor is arranged on the abutting piece, the distance sensor is electrically connected with a control switch, and the control switch controls the pushing piece to move.