Dynamic forming roll gap compensation device for high-frequency welded pipe

Abstract

The utility model discloses a high-frequency welded pipe dynamic forming roll gap compensation device which comprises a forming table, guide mechanisms arranged on the two sides of the inner wall of the forming table, an auxiliary mechanism arranged on the inner wall of the forming table, a detection mechanism arranged at one end of the auxiliary mechanism, and a compensation mechanism arranged above the forming table. The initial position of a welded pipe can be adjusted before the welded pipe enters a forming area, it is ensured that the welded pipe can accurately enter a detection and compensation area, deviation of the welded pipe in the detection process is avoided, it is ensured that a detected piece is located in a detection area all the time, and the problem that the detected piece is prone to deviating from the detection area is effectively solved; and meanwhile, a detection mechanism is arranged on the auxiliary mechanism, the pressure applied to a detection plate in the conveying process of the formed welded pipe can be monitored in real time, the deviation of the roll gap can be rapidly judged, the problem that a traditional device is not in time in detection is effectively solved, and it is ensured that abnormity in the welded pipe forming process can be rapidly found.

Description

TECHNICAL FIELD

[0001] The utility model relates to welded pipe processing technical field, concretely related to a high frequency welded pipe dynamic forming roll gap compensation device. BACKGROUND

[0002] The roll gap compensation device in the high frequency welded pipe dynamic forming process is mainly used for solving the welded pipe forming quality problem caused by factors such as material thickness change, material hardness unevenness in the production process, and can adjust the gap between forming rollers (i.e. roll gap) in real time to ensure the quality and consistency of the welded pipe.

[0003] But the high frequency welded pipe dynamic forming roll gap compensation device cannot timely and accurately detect the problem in the welded pipe forming process, leading to untimely compensation or inaccurate compensation amount, and unable to effectively ensure the quality and consistency of the welded pipe, and the detection cannot be assisted and guided at the same time, which easily leads to the detection piece deviating from the detection area and affects the detection effect.

[0004] For the problems in the related art, no effective solution has been proposed so far. UTILITY MODEL CONTENTS

[0005] For the problems in the related art, the utility model provides a high frequency welded pipe dynamic forming roll gap compensation device to overcome the above technical problems existing in the prior art.

[0006] Therefore, the utility model adopts the specific technical scheme as follows:

[0007] A high frequency welded pipe dynamic forming roll gap compensation device, comprising a forming table, guide mechanisms are arranged on both sides of the inner wall of the forming table, the guide mechanisms comprise guide frames fixedly arranged on both sides of the inner wall of the forming table, guide grooves are formed below the guide frames, guide plates are installed on the inner wall of the guide grooves, an electric telescopic rod one is arranged on one side of the guide plate, one end of the electric telescopic rod one is connected with both sides of the inner wall of the forming table, an auxiliary mechanism is arranged on the inner wall of the forming table, one end of the auxiliary mechanism is provided with a detection mechanism, and a compensation mechanism is arranged above the forming table.

[0008] Further, in order to better assist the placement of the formed welded pipe, the auxiliary mechanism comprises a placement seat fixedly arranged on the inner wall of the forming table, an auxiliary frame is fixedly arranged above the placement seat, and an auxiliary cavity is formed in the inner wall of the auxiliary frame.

[0009] Further, in order to better detect the formed welded pipe, the detection mechanism comprises a plurality of pressure sensors arranged on the inner wall of the auxiliary cavity, a plurality of pressing plates are arranged on the inner wall of the auxiliary cavity, the positions of the plurality of pressing plates and the pressure sensors are opposite, a detection rod is fixedly arranged on one side of the pressing plate, the detection rod is threadedly connected with a detection plate at one end and penetrates through the auxiliary frame, a spring is arranged on one side of the detection plate and the surface of the detection rod, and one end of the spring is in contact with the surface of the auxiliary frame.

[0010] Further, in order to better compensate for the forming welded pipe processing, the compensation mechanism includes a compensation frame fixedly arranged above the forming table, and a second electric telescopic rod is arranged below the compensation frame and on both sides of the forming table, one end of the second electric telescopic rod is provided with a compensation frame, and compensation rollers are installed on the inner walls of the compensation frame.

[0011] Further, in order to better compensate for the forming welded pipe processing, the compensation mechanism includes a compensation frame fixedly arranged above the forming table, and a second electric telescopic rod is arranged below the compensation frame and on both sides of the forming table, one end of the second electric telescopic rod is provided with a compensation frame, and compensation rollers are installed on the inner walls of the compensation frame.

[0012] Further, in order to better compensate for the forming welded pipe processing, the compensation mechanism includes a compensation frame fixedly arranged above the forming table, and a second electric telescopic rod is arranged below the compensation frame and on both sides of the forming table, one end of the second electric telescopic rod is provided with a compensation frame, and compensation rollers are installed on the inner walls of the compensation frame.

[0013] Further, in order to better compensate for the forming welded pipe processing, the compensation mechanism includes a compensation frame fixedly arranged above the forming table, and a second electric telescopic rod is arranged below the compensation frame and on both sides of the forming table, one end of the second electric telescopic rod is provided with a compensation frame, and compensation rollers are installed on the inner walls of the compensation frame.

[0014] The beneficial effects of the utility model are:

[0015] (1), through the guiding mechanism arranged on the forming table, the initial position of the welded pipe can be adjusted before entering the forming area, so that the welded pipe can accurately enter the detection and compensation area, and the offset of the welded pipe during detection is avoided, so that the detection part is always in the detection area, the accuracy and reliability of detection are improved, the problem that the detection part is easy to deviate from the detection area is effectively solved, and the detection mechanism arranged on the auxiliary mechanism can monitor the pressure applied to the detection plate during the conveying process of the forming welded pipe, so that the offset of the roll gap can be quickly judged, the problem of delayed detection of the traditional device is effectively solved, and the abnormality of the welded pipe during the forming process can be quickly found, thereby providing reliable data support for subsequent accurate compensation.

[0016] (2), through the auxiliary mechanism arranged on the forming table, a stable support platform is provided, so that the welded pipe can maintain accurate position and posture when entering the forming area, and the stability of the welded pipe during detection and compensation is improved, and the compensation mechanism arranged on the forming table can fine-tune the roll gap width according to the signal feedback of the pressure sensor, so that accurate compensation of the roll gap is realized, the process requirement is ensured, the problem of inaccurate compensation is effectively solved, and the forming quality and consistency of the welded pipe are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 is a structure schematic view of a high-frequency welded pipe dynamic forming roll gap compensation device main body according to an embodiment of the present application;

[0019] Figure 2 is a structure schematic view of a high-frequency welded pipe dynamic forming roll gap compensation device side surface according to an embodiment of the present application;

[0020] Figure 3 is a guide mechanism structure schematic view of a high-frequency welded pipe dynamic forming roll gap compensation device according to an embodiment of the present application;

[0021] Figure 4 is an auxiliary mechanism and detection mechanism structure schematic view of a high-frequency welded pipe dynamic forming roll gap compensation device according to an embodiment of the present application;

[0022] Figure 5 is a detection plate structure schematic view of a high-frequency welded pipe dynamic forming roll gap compensation device according to an embodiment of the present application;

[0023] Figure 6 is a compensation mechanism structure schematic view of a high-frequency welded pipe dynamic forming roll gap compensation device according to an embodiment of the present application;

[0024] Figure 7 is an electric heating wire structure schematic view of a high-frequency welded pipe dynamic forming roll gap compensation device according to an embodiment of the present application.

[0025] In the drawings:

[0026] 1, forming table; 2, guide mechanism; 201, guide frame; 202, guide plate; 203, electric telescopic rod one; 3, auxiliary mechanism; 301, placing seat; 302, auxiliary frame; 303, auxiliary cavity; 4, detection mechanism; 401, pressure sensor; 402, pressing plate; 403, detection rod; 404, detection plate; 405, spring; 5, compensation mechanism; 501, compensation frame; 502, electric telescopic rod two; 503, compensation frame; 504, compensation roller; 6, auxiliary seat; 7, electric heating wire; 8, conveyor; 9, cleaning brush; 10, support column; 11, support seat. DETAILED DESCRIPTION

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1:

[0029] like Figures 1-7 As shown, a high-frequency welded pipe dynamic forming roll gap compensation device according to an embodiment of the present utility model includes a forming table 1. A guide mechanism 2 is provided on both sides of the inner wall of the forming table 1. The guide mechanism 2 includes a guide frame 201 fixedly provided on both sides of the inner wall of the forming table 1. A guide groove is opened below the guide frame 201. A guide plate 202 is installed on the inner wall of the guide groove. An electric telescopic rod 203 is provided on one side of the guide plate 202. One end of the electric telescopic rod 203 is connected to both sides of the inner wall of the forming table 1. An auxiliary mechanism 3 is provided on the inner wall of the forming table 1. The auxiliary mechanism 3 includes a placement seat 301 fixedly provided on the inner wall of the forming table 1. An auxiliary frame 302 is fixed above the placement seat 301. An auxiliary cavity 303 is opened on the inner wall of the auxiliary frame 302.

[0030] An auxiliary seat 6 is fixed to the inner wall of the forming table 1. Multiple electric heating wires 7 are installed on the inner wall of the auxiliary seat 6. There are four electric heating wires 7, which are used to provide auxiliary heating for the forming welded pipe that needs compensation treatment. Multiple conveyors 8 are set on the inner wall of the forming table 1. There are two conveyors 8, which are used to transport the forming welded pipe that needs compensation treatment. The conveyors 8 are existing technology and will not be described in detail. In actual use, the conveyors 8 can also be replaced with other conveying devices, which will not be described in detail. Cleaning brushes 9 are in contact with the conveyor belts of the multiple conveyors 8. The cleaning brushes 9 are fixed on the forming table 1. Multiple support columns 10 are set below the forming table 1. There are four support columns 10, which are used to improve stability. Support bases 11 are fixed below the multiple support columns 10.

[0031] Example 2:

[0032] like Figures 1-7As shown, the high-frequency welded pipe dynamic forming roll gap compensation device according to the embodiment of the utility model, one end of auxiliary mechanism 3 is equipped with detection mechanism 4, detection mechanism 4 includes multiple pressure sensors 401 that are arranged on the inner wall of auxiliary cavity 303, the number of pressure sensors 401 is three, the inner wall of auxiliary cavity 303 is equipped with multiple pressing plates 402, the number of pressing plates 402 is three, multiple pressing plates 402 are opposite to the position of pressure sensor 401, one side of pressing plate 402 is fixed with detection rod 403, one end of detection rod 403 penetrates auxiliary frame 302 and is screw-connected with detection plate 404, detection plate 404 is replaceable structure when actually in use, and it is convenient to better adapt to forming roller, the shape of detection plate 404 is like half-arc type, N type and other shapes, and also can be other shapes, one side of detection plate 404 and the surface of detection rod 403 are equipped with spring 405, one end of spring 405 contacts the surface of auxiliary frame 302;

[0033] The upper portion of forming table 1 is provided with compensation mechanism 5, compensation mechanism 5 includes compensation frame 501 that is fixedly arranged on the upper portion of forming table 1, the lower portion of compensation frame 501 is provided with electric telescopic rod two 502 that is arranged on the both sides of forming table 1, one end of electric telescopic rod two 502 is provided with compensation frame 503, compensation frame 503 can be disassembled and replaced when actually in use, and compensation frame 503 can be replaced with compensation frame 503 of different angles, so detailed description is not given, and compensation roller 504 is installed on the inner wall of compensation frame 503 on both sides;

[0034] Electric telescopic rod two 502, pressure sensor 401, electric telescopic rod one 203 and conveyor 8 are electrically connected with plc controller when actually in use, and electric telescopic rod two 502, pressure sensor 401, electric telescopic rod one 203 and conveyor 8 are electrically connected with external power supply.

[0035] In order to facilitate the above-mentioned technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail.

[0036] According to the above technical scheme of the utility model, when processing, the electric telescopic rod one 203 arranged on the forming table 1 drives the guide plate 202 to move along the guide groove of the guide frame 201, the initial position of the forming roller is adjusted, the roller gap width is ensured to be consistent with the preset value, when the welded pipe enters the forming area through the conveyor 8, the formed welded pipe exerts pressure on the detection plate 404, the detection rod 403 is pushed to compress the spring 405, the pressure sensor 401 detects the pressure value transmitted by the pressing plate 402 in real time, the actual deformation state of the roller gap is judged, if the pressure exceeds the threshold value, it indicates that the roller gap deviates and needs to be compensated, when compensation processing is needed, the electric heating wire 7 in the auxiliary seat 6 is used to heat the formed welded pipe locally, the material is softened to reduce the forming resistance and improve the compensation accuracy, at the same time, the compensation frame 501 and the electric telescopic rod two 502 arranged on the forming table 1 receive the feedback signal of the pressure sensor 401, the electric telescopic rod two 502 drives the compensation frame 503 to move up and down and left and right, drives the compensation roller 504 to fine tune the roller gap width, the adjustment range of the compensation roller 504 is proportional to the pressure deviation value, the roller gap always meets the process requirements in the dynamic forming process, the conveyor 8 conveys the welded pipe for a long time, the cleaning brush 9 arranged on the forming table 1 removes the impurities on the conveying belt, foreign matters are avoided to interfere with the roller gap adjustment, the support column 10 and the support seat 11 ensure the overall stability of the forming table 1, reduce the influence of vibration on the roller gap, the PLC controller integrates the data of the pressure sensor 401, the electric telescopic rod one 203, the electric telescopic rod two 502 and the conveyor 8, realizes closed loop control and realizes real-time optimization of the roller gap compensation efficiency.

[0037] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high frequency pipe welding dynamic forming roll gap compensation device, characterized in that, The utility model relates to a kind of moulding platform, the inner wall of moulding platform (1) is provided with guide mechanism (2) on both sides, guide mechanism (2) includes the guide frame (201) fixedly arranged on both sides of the inner wall of moulding platform (1), guide groove is opened in the lower of guide frame (201), guide plate (202) is installed in the inner wall of guide groove, one side of guide plate (202) is equipped with electric telescopic rod one (203), one end of electric telescopic rod one (203) is connected with the inner wall of moulding platform (1) on both sides, the inner wall of moulding platform (1) is provided with auxiliary mechanism (3), one end of auxiliary mechanism (3) is equipped with detection mechanism (4), the upper of moulding platform (1) is provided with compensation mechanism (5).

2. A high-frequency weld pipe dynamic forming roll gap compensation device according to claim 1, characterized in that, The auxiliary mechanism (3) includes a placement seat (301) fixedly arranged on the inner wall of the molding platform (1), and an auxiliary frame (302) is fixedly arranged on the upper side of the placement seat (301), and an auxiliary cavity (303) is formed in the inner wall of the auxiliary frame (302).

3. A high-frequency weld pipe dynamic forming roll gap compensation device according to claim 2, characterized in that, The detection mechanism (4) includes a plurality of pressure sensors (401) arranged on the inner wall of the auxiliary cavity (303), and a plurality of pressing plates (402) are arranged on the inner wall of the auxiliary cavity (303), the positions of the plurality of pressing plates (402) are opposite to the positions of the pressure sensors (401), a detection rod (403) is fixedly arranged on one side of the pressing plate (402), one end of the detection rod (403) penetrates through the auxiliary frame (302) and is threadedly connected with a detection plate (404), and a spring (405) is arranged on one side of the detection plate (404) and on the surface of the detection rod (403).

4. A high-frequency weld pipe dynamic forming roll gap compensation device according to claim 3, characterized in that, The compensation mechanism (5) includes a compensation frame (501) fixedly arranged on the upper side of the molding platform (1), and a second electric telescopic rod (502) is arranged on the lower side of the compensation frame (501) and on both sides of the molding platform (1), one end of the second electric telescopic rod (502) is provided with a compensation frame (503), and compensation rollers (504) are arranged on both sides of the inner wall of the compensation frame (503).

5. A high-frequency weld pipe dynamic forming roll gap compensation device according to claim 4, characterized in that, The inner wall of the molding platform (1) is fixedly provided with an auxiliary seat (6), and a plurality of electric heating wires (7) are arranged on the inner wall of the auxiliary seat (6).

6. A high-frequency weld pipe dynamic forming roll gap compensation device according to claim 5, characterized in that, The inner wall of the molding platform (1) is provided with a plurality of conveyors (8), and a cleaning brush (9) is arranged below the conveying belt of the plurality of conveyors (8), and the cleaning brush (9) is fixed on the molding platform (1).

7. A high-frequency weld pipe dynamic forming roll gap compensation device according to claim 6, characterized in that, A plurality of supporting columns (10) are arranged below the molding platform (1), and a supporting seat (11) is fixed below the plurality of supporting columns (10).

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