Guide wheel structure for high-frequency welding of steel pipe

Abstract

The utility model discloses a guide wheel structure for high-frequency welding of steel pipes, which relates to the technical field of high-frequency welding of steel pipes and comprises a machining table, spring mechanisms are mounted on two sides of the upper end of the machining table, and positioning pressing plates are mounted at the upper ends of the spring mechanisms on two sides. A side guide wheel mechanism is arranged below one ends of the positioning pressing plates, the positioning pressing plates on the two sides are connected through a support, an upper guide wheel mechanism is installed at the front end of the support, the side guide wheel mechanism comprises side guide wheels and bearing parts, and the bearing parts are installed at the upper ends and the lower ends of the side guide wheels. According to the scheme, the problems that in the using process of an existing device, only guide wheels are arranged on the two sides of a steel pipe for guiding and positioning, in the follow-up welding process, welding seams are prone to warping, and the yield is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe high -frequency welding technical field, concretely is a guide wheel structure for steel pipe high -frequency welding. BACKGROUND

[0002] High -frequency welding is a new type of welding process that uses the skin effect and proximity effect of high -frequency current to butt joint steel pipes or other metal materials. In order to ensure the stability of the welding, a guide structure is usually provided in the front position when high -frequency welding steel pipes, so as to stabilize the conveying of the steel pipes.

[0003] For example, a steel pipe forming device with publication number CN220006745U. The steel pipe forming device includes a workbench, a guide welding mechanism, a deburring mechanism, and a cooling mechanism are provided on the workbench. The guide welding mechanism includes a high-frequency generator, a welding arm, an induction coil, two U-shaped plates, two first shafts, two bottom guide wheels, a strip-shaped plate, two second shafts, and two lateral guide wheels. The high-frequency generator is fixedly installed on the top of the workbench. The welding arm is fixedly installed on the high-frequency generator. The induction coil is fixedly installed on the high-frequency generator. The two U-shaped plates are fixedly installed on the top of the workbench. The two first shafts are fixedly installed in the two U-shaped plates. The two bottom guide wheels are rotatably sleeved on the two first shafts.

[0004] The above device only uses guide wheels on both sides of the steel pipe for positioning during use. However, during subsequent welding, the weld joint is prone to warping, resulting in low yield. Therefore, we propose a guide wheel structure for steel pipe high -frequency welding to solve the above -mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a guide wheel structure for steel pipe high -frequency welding to solve the problem of low yield caused by warping of the weld joint during subsequent welding when only guide wheels are used on both sides of the steel pipe for positioning during use.

[0006] To achieve the above -mentioned purpose, the utility model provides the following technical scheme: a guide wheel structure for steel pipe high -frequency welding, including a machining table, spring mechanisms are installed on both sides of the upper end of the machining table, positioning pressure plates are installed on the upper end of the spring mechanisms on both sides, a side guide wheel mechanism is arranged below one end of the positioning pressure plate, the positioning pressure plates on both sides are connected through a support, and an upper guide wheel mechanism is installed at the front end of the support.

[0007] Preferably, the side guide wheel mechanism includes a side guide wheel and a bearing piece, the bearing piece is installed on the upper end and the lower end of the side guide wheel, and the side guide wheel is rotatably connected with the bearing piece. A steel pipe guide groove is arranged on the outer wall of the side guide wheel. The side guide wheel has a wheel structure that is narrow at the top and wide at the bottom.

[0008] Preferably, the inside of the positioning pressing plate is provided with a first adjusting groove, both sides of the inside of the processing table are provided with third adjusting grooves, a first screw rod is installed above the bearing part of the upper end of the side guide wheel, the end of the first screw rod extends to the outside of the first adjusting groove, and the first screw rod is connected with the first adjusting groove through a first nut, and a deviation preventing rod is installed below the bearing part of the lower end of the side guide wheel, and the end of the deviation preventing rod extends to the inside of the third adjusting groove.

[0009] Preferably, the spring mechanism comprises a reset spring and a telescopic guide rod, the telescopic guide rod is installed in the inside of the reset spring, the telescopic guide rod is composed of an outer tube and an inner tube, and the inner tube is arranged in the inside of the outer tube and is in sliding connection with the outer tube.

[0010] Preferably, the side of the spring mechanism is provided with two guide columns, the upper end of the guide column penetrates and extends to the outside of the positioning pressing plate, and a limiting block is installed.

[0011] Preferably, the upper guide wheel mechanism comprises an adjusting seat, a guide wheel frame and an upper guide wheel, the two sides of the front end of the adjusting seat are provided with guide wheel frames, the upper guide wheel is installed between the two guide wheel frames and is in rotary connection with the guide wheel frames.

[0012] Preferably, the inside of the support is provided with a second adjusting groove, the rear end of the adjusting seat is provided with a second screw rod, the end of the second screw rod extends to the outside of the second adjusting groove, and the second screw rod is connected with the second adjusting groove through a second nut.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1), the utility model discloses a upper guide wheel is added on the basis of double side guide wheel, when welding and feeding, the steel pipe is sent to the steel pipe guide groove between two side guide wheel mechanisms by the feeding mechanism, the two side guide wheel mechanisms are the wheel type structure of being narrow on the top and being wide below, and a certain space is reserved to the upper position, and an upper guide wheel mechanism is additionally arranged above the steel pipe guide groove, so that a certain pressure can be applied to the upper steel pipe, and the feeding stability is further improved, so that the welding seam warping during subsequent welding is avoided.

[0015] (2), the side guide wheel mechanism and the upper guide wheel mechanism are adjustable mechanisms, can be flexibly adjusted according to the size specification of the steel pipe, when adjusting, first, the corresponding specification side guide wheel is replaced, the side guide wheel is elastically clamped and locked by the positioning pressing plate and the nut, when needing to be replaced, only the nut is disassembled and the positioning pressing plate is lifted, the original side guide wheel is taken out, the corresponding size side guide wheel is replaced, and the positioning pressing plate is loosened to be reset under the action of the spring mechanism and preliminarily press the side guide wheel, the side guide wheel is slid along the first adjusting groove and the third adjusting groove, the distance between the two side guide wheels is fine adjusted, after being suitable, the nut is locked and fixed, then the upper guide wheel is adjusted according to the height of the steel pipe, when adjusting, the nut on the adjusting seat is disassembled, the second lead screw at the rear end is slid up and down along the third adjusting groove, after reaching the suitable height, the nut is locked again, the flexibility is high, and the universality is increased. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the back structure schematic view of the utility model;

[0018] Figure 3 It is the side guide wheel mechanism structure schematic view of the utility model;

[0019] Figure 4 It is the spring mechanism structure schematic view of the utility model;

[0020] In the drawing: 1, processing table; 2, spring mechanism; 201, reset spring; 202, telescopic guide rod; 3, positioning pressing plate; 4, guide column; 5, limit block; 6, side guide wheel mechanism; 601, side guide wheel; 602, steel pipe guide groove; 603, bearing piece; 604, first lead screw; 605, first nut; 606, anti-deviation rod; 7, first adjusting groove; 8, support; 801, second adjusting groove; 9, upper guide wheel mechanism; 901, adjusting seat; 902, guide wheel frame; 903, upper guide wheel; 904, second lead screw; 905, second nut; 10, third adjusting groove. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Please refer to Figures 1-4The utility model provides an embodiment: a kind of guide pulley structure for steel pipe high-frequency welding, including processing table 1, the both sides of upper end of processing table 1 are equipped with spring mechanism 2, the upper end of both sides spring mechanism 2 is equipped with positioning press plate 3, the lower side of one end of positioning press plate 3 is provided with side guide wheel mechanism 6, and it is connected between the both sides positioning press plate 3 by support 8, and the front end of support 8 is equipped with upper guide pulley mechanism 9, side guide wheel mechanism 6 includes side guide wheel 601 and bearing piece 603, bearing piece 603 is installed in the upper end and lower end of side guide wheel 601, and side guide wheel 601 is rotatably connected with bearing piece 603, and the outer wall of side guide wheel 601 is provided with steel pipe guide groove 602, and side guide wheel 601 is the wheel type structure of upper narrow lower wide;

[0023] When welding feeding, steel pipe is sent out to the steel pipe guide groove 602 formed between two side guide wheel mechanisms 6 by feeding mechanism, and the both sides positioning press plate 3 is connected by support 8, and the front end of support 8 is equipped with upper guide pulley mechanism 9, side guide wheel mechanism 6 is all the wheel type structure of upper narrow lower wide, and a certain space is reserved in upper position, and there is an upper guide pulley mechanism 9 in the upper side of steel pipe guide groove 602, and a certain pressure can be applied on the upper side of steel pipe, and feeding stability is further improved, so that the situation that welding seam is warped when subsequent welding is avoided.

[0024] Please refer to Figures 1-2The interior of the positioning pressing plate 3 is provided with a first adjusting groove 7, both sides of the interior of the machining table 1 are provided with a third adjusting groove 10, the bearing piece 603 at the upper end of the side guide wheel 601 is provided with a first lead screw 604 above, the end of the first lead screw 604 extends to the outside of the first adjusting groove 7, and is connected with the first adjusting groove 7 through a first nut 605, the bearing piece 603 at the lower end of the side guide wheel 601 is provided with an anti-deviation rod 606 below, the end of the anti-deviation rod 606 extends to the interior of the third adjusting groove 10, the spring mechanism 2 comprises a reset spring 201 and a telescopic guide rod 202, and the telescopic guide rod 202 is installed in the interior of the reset spring 201, the telescopic guide rod 202 is composed of an outer tube and an inner tube, the inner tube is arranged in the interior of the outer tube and is in sliding connection with the outer tube, the upper guide wheel mechanism 9 comprises an adjusting seat 901, a guide wheel frame 902 and an upper guide wheel 903, both sides of the front end of the adjusting seat 901 are provided with the guide wheel frame 902, the upper guide wheel 903 is installed between the two guide wheel frames 902 and is in rotary connection with the guide wheel frame 902, the interior of the support 8 is provided with a second adjusting groove 801, the rear end of the adjusting seat 901 is provided with a second lead screw 904, the end of the second lead screw 904 extends to the outside of the second adjusting groove 801 and is connected with the second adjusting groove 801 through a second nut 905, the side guide wheel mechanism 6 and the upper guide wheel mechanism 9 are adjustable mechanisms, which can be flexibly adjusted according to the size specifications of the steel pipe, when adjusting, first, the corresponding specifications of the side guide wheel 601 are replaced, the side guide wheel 601 is elastically clamped and fixed through the positioning pressing plate 3 and the nut locking, when it is necessary to be replaced, only the nut is disassembled and the positioning pressing plate 3 is lifted, the original side guide wheel 601 is taken out and the corresponding size of the side guide wheel 601 is replaced, the positioning pressing plate 3 is loosened to be reset under the action of the spring mechanism 2 to preliminarily press the side guide wheel 601, the side guide wheel 601 is slid along the first adjusting groove 7 and the third adjusting groove 10, the distance between the two side guide wheels 601 is finely adjusted, after being appropriate, the nut is locked and fixed, then the upper guide wheel 903 is adjusted according to the height of the steel pipe, when adjusting, the nut on the adjusting seat 901 is disassembled, the second lead screw 904 at the rear end is slid up and down along the third adjusting groove 10, after reaching the appropriate height, the nut is locked again, and the flexibility is high.

[0025] Please refer to Figure 1 The side of the spring mechanism 2 is provided with two guide columns 4, the upper end of the guide column 4 penetrates and extends to the outside of the positioning pressing plate 3, and is provided with a limiting block 5, and the guide column 4 avoids the deviation of the positioning pressing plate 3 when being reset.

[0026] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A guide wheel structure for high frequency welding of a steel pipe, comprising a processing table (1), characterized in that: The upper end of the processing table (1) is provided with spring mechanisms (2) on both sides, the upper end of the spring mechanisms (2) on both sides is provided with positioning pressing plates (3), the lower end of one end of the positioning pressing plates (3) is provided with side guide wheel mechanisms (6), the positioning pressing plates (3) on both sides are connected through supports (8), and the front end of the support (8) is provided with an upper guide wheel mechanism (9).

2. The roller structure for a steel pipe high-frequency welding according to claim 1, characterized in that: The side guide wheel mechanism (6) comprises a side guide wheel (601) and a bearing piece (603), the bearing piece (603) is installed on the upper end and the lower end of the side guide wheel (601), the side guide wheel (601) is rotationally connected with the bearing piece (603), a steel pipe guide groove (602) is arranged on the outer wall of the side guide wheel (601), and the side guide wheel (601) has a wheel structure that is narrow at the top and wide at the bottom.

3. The roller structure for a steel pipe high-frequency welding according to claim 2, characterized in that: The inside of the positioning pressing plate (3) is provided with a first adjusting groove (7), both sides of the inside of the processing table (1) are provided with third adjusting grooves (10), the bearing piece (603) on the upper end of the side guide wheel (601) is provided with a first lead screw (604) above, the end of the first lead screw (604) extends to the outside of the first adjusting groove (7), and the first adjusting groove (7) is connected through a first nut (605), the bearing piece (603) on the lower end of the side guide wheel (601) is provided with an anti-deviation rod (606) below, and the end of the anti-deviation rod (606) extends to the inside of the third adjusting groove (10).

4. The roller structure for a high-frequency welding of a steel pipe according to claim 1, characterized in that: The spring mechanism (2) comprises a reset spring (201) and a telescopic guide rod (202), and the telescopic guide rod (202) is installed in the inside of the reset spring (201), the telescopic guide rod (202) is composed of an outer tube and an inner tube, and the inner tube is arranged in the inside of the outer tube and is in sliding connection with the outer tube.

5. The roller structure for a high-frequency welding of a steel pipe according to claim 1, characterized in that: The side edge of the spring mechanism (2) is provided with two guide columns (4), the upper end of the guide column (4) penetrates and extends to the outside of the positioning pressing plate (3), and is provided with a limiting block (5).

6. The roller structure for a high-frequency welding of a steel pipe according to claim 1, characterized in that: The upper guide wheel mechanism (9) comprises an adjusting seat (901), a guide wheel frame (902) and an upper guide wheel (903), the guide wheel frame (902) is arranged on both sides of the front end of the adjusting seat (901), the upper guide wheel (903) is arranged between the guide wheel frames (902) on both sides and is in rotational connection with the guide wheel frames (902).

7. The roller structure for a high-frequency welding of a steel pipe according to claim 6, characterized in that: The inside of the support (8) is provided with a second adjusting groove (801), the rear end of the adjusting seat (901) is provided with a second lead screw (904), the end of the second lead screw (904) extends to the outside of the second adjusting groove (801), and the second adjusting groove (801) is connected through a second nut (905).

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