CN216706543U

CN216706543U - Rolling structure for high-frequency straight seam welding of heat exchanger welded pipe

Info

Publication number: CN216706543U
Application number: CN202122564208.4U
Authority: CN
Inventors: 吴伟良
Original assignee: Wuxi 369 Steel Pipe Co ltd
Current assignee: Wuxi 369 Steel Pipe Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-06-10
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to the technical field of high-frequency straight seam welding, and discloses a rolling structure for high-frequency straight seam welding of a heat exchanger welded pipe. This high frequency straight seam welding of heat exchanger welded tube uses roll structure, through placing the welded tube between the upper surface that first roller and second rolled the roller, start hydraulic stretching cylinder removal alignment jig downstream after the completion, make two inside compression rollers of alignment jig press down the welded tube surface, the setting of its two compression rollers can be pushed down the upper surface front end and the upper surface rear end of welded tube, play the spacing work to the welded tube, start servo motor and drive first roller and second roller and carry out the syntropy and rotate, make its welded tube carry out the normal position and roll, the welding of the heat exchanger welded tube of being convenient for is polished, the efficiency of the welding process of heat exchanger welded tube has been improved.

Description

Rolling structure for high-frequency straight seam welding of heat exchanger welded pipe

Technical Field

The utility model relates to the technical field of high-frequency straight seam welding, in particular to a rolling structure for high-frequency straight seam welding of a heat exchanger welded pipe.

Background

High-frequency straight seam welding is a novel welding process for butting steel plates and other metal materials by utilizing skin effect and adjacent effect generated by high-frequency current. The advent and maturity of high frequency welding technology, which is a key process in the production of straight welded pipe (ERW). The quality of high-frequency welding directly influences the overall strength, quality grade and production speed of welded pipe products. The high-frequency welding equipment is an electric-mechanical system for realizing high-frequency welding, and consists of a high-frequency welding machine and a welded pipe forming machine. The high-frequency welding machine generally comprises a high-frequency generator and a feeding device, and is used for generating high-frequency current and controlling the high-frequency current; the forming machine consists of an extrusion roll frame and has the function of extruding the part melted by the high-frequency current to remove an oxide layer and impurities on the surface of the steel plate so as to completely melt the steel plate into a whole.

High frequency straight seam welding can have the bellied phenomenon in surface after the welding is accomplished, and its arch is handled through generally polishing, and current welding is polished and is all overturned through steel pipe upset machine, and is comparatively troublesome, influences the efficiency of processing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rolling structure for high-frequency straight seam welding of a heat exchanger welded pipe, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the rolling structure for high-frequency straight seam welding of the heat exchanger welded pipe comprises a rolling table, a rolling mechanism, a bottom plate and a fixing frame, wherein the rolling mechanism is arranged inside the rolling table, the bottom plate is fixedly arranged at the bottom of the rolling table, and the fixing frame is fixedly arranged on the upper surface of the bottom plate.

The rolling mechanism comprises a servo motor and a first rolling roller, the first rolling roller is fixedly installed at the output end of the servo motor, the left end of the first rolling roller is fixedly installed with an active wheel, the outer wall of the active wheel is in transmission connection with a belt, the other end of the belt is in transmission connection with a driven wheel, and the second rolling roller is fixedly installed inside the driven wheel.

Preferably, the mounting groove has been seted up to the inside of roll platform, servo motor fixed mounting is in the inside of mounting groove, the up end fixed mounting of mounting groove has the apron, and the setting of its mounting groove can play the guard action to servo motor, avoids servo motor to expose outside.

Preferably, the top wall fixed mounting of mount has the hydraulic stretching jar, the flexible end fixed mounting of hydraulic stretching jar has the alignment jig, the inside of alignment jig rotates and is connected with the compression roller, and the setting of its alignment jig and compression roller can play spacing effect to the welded tube.

Preferably, the quantity of compression roller is two, its two the compression roller rotates respectively to be connected in the inside front end and the inside rear end of alignment jig, and the setting of its two compression rollers can push down the upper surface front end and the upper surface rear end of welded tube, plays the limiting displacement to the welded tube.

Preferably, the upper surface of the fixing frame is provided with a sliding hole, a polished rod is connected inside the sliding hole in a sliding manner, the polished rod is fixedly arranged on the upper surface of the adjusting frame, and the arrangement of the sliding hole and the polished rod can enable the adjusting frame to be more stable during moving.

Preferably, the number of polished rods is two, its two polished rods respectively fixed mounting in the upper surface left end and the right-hand member of alignment jig, and the setting of its polished rod can play spacing effect to the alignment jig.

Preferably, the fixed seat is fixedly installed on the upper surface of the fixed frame, the hydraulic telescopic cylinder is fixedly installed in the fixed seat, and the fixed seat can fix the hydraulic telescopic cylinder.

Compared with the prior art, the utility model provides the rolling structure for high-frequency straight seam welding of the heat exchanger welded pipe. The method has the following beneficial effects:

this high frequency straight seam welding of heat exchanger welded tube uses roll structure, through placing the welded tube between the upper surface that first roller and second rolled the roller, start hydraulic stretching cylinder removal alignment jig downstream after the completion, make two inside compression rollers of alignment jig press down the welded tube surface, the setting of its two compression rollers can be pushed down the upper surface front end and the upper surface rear end of welded tube, play the spacing work to the welded tube, start servo motor and drive first roller and second roller and carry out the syntropy and rotate, make its welded tube carry out the normal position and roll, the welding of the heat exchanger welded tube of being convenient for is polished, the efficiency of the welding process of heat exchanger welded tube has been improved.

Drawings

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

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the rolling mechanism of the present invention;

FIG. 4 is a schematic side view of the present invention.

In the figure: 1. a rolling table; 2. a rolling mechanism; 201. a servo motor; 202. a first roll; 203. a driving wheel; 204. a belt; 205. a driven wheel; 206. a second roll; 3. a base plate; 4. mounting grooves; 5. a fixed mount; 6. a hydraulic telescopic cylinder; 7. an adjusting bracket; 8. a compression roller; 9. a polish rod; 10. a fixed seat; 11. and (4) a slide hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the rolling structure for high-frequency straight seam welding of the heat exchanger welded pipe comprises a rolling table 1, a rolling mechanism 2, a bottom plate 3 and a fixing frame 5, wherein the rolling mechanism 2 is arranged inside the rolling table 1, the bottom plate 3 is fixedly arranged at the bottom of the rolling table 1, and the fixing frame 5 is fixedly arranged on the upper surface of the bottom plate 3.

The rolling mechanism 2 comprises a servo motor 201 and a first rolling roller 202, the first rolling roller 202 is fixedly installed at the output end of the servo motor 201, a driving wheel 203 is fixedly installed at the left end of the first rolling roller 202, a belt 204 is connected to the outer wall of the driving wheel 203 in a transmission mode, a driven wheel 205 is connected to the other end of the belt 204 in a transmission mode, and a second rolling roller 206 is fixedly installed inside the driven wheel 205.

The interior of the rolling table 1 is provided with a mounting groove 4, a servo motor 201 is fixedly mounted inside the mounting groove 4, a cover plate is fixedly mounted at an upper port of the mounting groove 4, the mounting groove 4 can protect the servo motor 201 to prevent the servo motor 201 from being exposed outside, a hydraulic telescopic cylinder 6 is fixedly mounted on the top wall of the fixing frame 5, an adjusting frame 7 is fixedly mounted at the telescopic end of the hydraulic telescopic cylinder 6, the interior of the adjusting frame 7 is rotatably connected with a compression roller 8, the adjusting frame 7 and the compression roller 8 are arranged to limit the welding pipe, the number of the compression rollers 8 is two, the two compression rollers 8 are respectively rotatably connected with the front end and the rear end of the interior of the adjusting frame 7, the front end and the rear end of the upper surface of the welding pipe can be pressed downwards by the two compression rollers 8 to limit the welding pipe, the upper surface of the fixing frame 5 is provided with a slide hole 11, and the interior of the slide hole 11 is slidably connected with a polish rod 9, the polish rod 9 is fixedly arranged on the upper surface of the adjusting frame 7, the arrangement of the slide hole 11 and the polish rod 9 can enable the adjusting frame 7 to be more stable when moving, the number of the polish rods 9 is two, the two polish rods 9 are respectively and fixedly arranged at the left end and the right end of the upper surface of the adjusting frame 7, the arrangement of the polish rods 9 can limit the adjusting frame 7, the upper surface of the fixing frame 5 is fixedly provided with a fixing seat 10, the hydraulic telescopic cylinder 6 is fixedly arranged in the fixing seat 10, the fixing seat 10 can fix the hydraulic telescopic cylinder 6, the welded pipe is placed between the upper surfaces of the first roller 202 and the second roller 206, the hydraulic telescopic cylinder 6 is started to move the adjusting frame 7 downwards after the welding is completed, the two compression rollers 8 in the adjusting frame 7 are pressed down to the surface of the welded pipe, and the two compression rollers 8 can press the front end and the rear end of the upper surface of the welded pipe downwards, play the spacing of welding the pipe, start servo motor 201 and drive first roller 202 and second roller 206 and carry out the syntropy and rotate, make its welding pipe carry out the normal position and roll, the welding of the heat exchanger welding pipe of being convenient for is polished, has improved the welding process's of heat exchanger welding pipe efficiency.

In the actual operation process, when this device uses, through placing the welded tube between the upper surface of first roller 202 and second roller 206, start hydraulic stretching cylinder 6 after the completion and remove alignment jig 7 and remove downwards, make two compression rollers 8 of alignment jig 7 inside push down the welded tube surface, the setting of its two compression rollers 8 can push down the upper surface front end and the upper surface rear end of welded tube, play the spacing work to the welded tube, start servo motor 201 and drive first roller 202 and second roller 206 and carry out the syntropy and rotate, make its welded tube carry out the normal position and roll, the welding of the heat exchanger welded tube of being convenient for is polished, the efficiency of the welding process of heat exchanger welded tube has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Roll structure is used in high frequency transversal joint welding of heat exchanger welded tube, including roll platform (1), rolling mechanism (2), bottom plate (3) and mount (5), its characterized in that: the rolling mechanism (2) is arranged inside the rolling table (1), the bottom plate (3) is fixedly arranged at the bottom of the rolling table (1), and the fixing frame (5) is fixedly arranged on the upper surface of the bottom plate (3);

roll mechanism (2) including servo motor (201), first roller (202) of rolling, first roller (202) fixed mounting is in the output of servo motor (201), the left end fixed mounting who first roller (202) has action wheel (203), the outer wall transmission of action wheel (203) is connected with belt (204), the other end transmission of belt (204) is connected with from driving wheel (205), the inside fixed mounting who follows driving wheel (205) has the second to roll roller (206).

2. The rolling structure for high-frequency butt welding of a welded pipe for a heat exchanger according to claim 1, characterized in that: mounting groove (4) have been seted up to the inside of roll platform (1), servo motor (201) fixed mounting is in the inside of mounting groove (4), the last port fixed mounting of mounting groove (4) has the apron.

3. The rolling structure for high-frequency butt welding of a welded pipe for a heat exchanger according to claim 1, characterized in that: the hydraulic telescopic cylinder is characterized in that a hydraulic telescopic cylinder (6) is fixedly mounted on the top wall of the fixing frame (5), an adjusting frame (7) is fixedly mounted on the telescopic end of the hydraulic telescopic cylinder (6), and a pressing roller (8) is connected to the inner portion of the adjusting frame (7) in a rotating mode.

4. The rolling structure for high-frequency butt welding of a welded pipe for a heat exchanger according to claim 3, characterized in that: the number of the compression rollers (8) is two, and the two compression rollers (8) are respectively and rotatably connected to the front end and the rear end of the inner part of the adjusting frame (7).

5. The rolling structure for high-frequency butt welding of a welded pipe for a heat exchanger according to claim 3, characterized in that: the upper surface of the fixing frame (5) is provided with a sliding hole (11), a polished rod (9) is connected inside the sliding hole (11) in a sliding mode, and the polished rod (9) is fixedly installed on the upper surface of the adjusting frame (7).

6. The rolling structure for high-frequency butt welding of a welded pipe for a heat exchanger according to claim 5, characterized in that: the number of the polish rods (9) is two, and the two polish rods (9) are fixedly arranged at the left end and the right end of the upper surface of the adjusting frame (7) respectively.

7. The rolling structure for high-frequency butt welding of a welded pipe for a heat exchanger according to claim 3, characterized in that: the upper surface fixed mounting of mount (5) has fixing base (10), hydraulic telescoping cylinder (6) fixed mounting is in the inside of fixing base (10).