Automatic bilateral welding equipment

Abstract

The utility model relates to the technical field of welding processing equipment, in particular to automatic double-side welding equipment which comprises a base, a pipe erecting roller is rotatably arranged at the front end of the top face of the base, and a stand column is fixedly welded to the fixed middle of the rear end of the top face of the base. Second guide rails are fixedly installed at the bottoms of the front faces of the stand columns through bolts, electric telescopic rods are movably arranged at the left ends and the right ends of the front faces of the second guide rails, and limiting clamping plates are fixedly arranged at the tops of the electric telescopic rods. According to the automatic double-side welding equipment, the two ends of a pipe can be synchronously welded, the welding efficiency of the pipe is effectively improved, the supporting rod which can synchronously adjust the distance and can be electrically controlled to stretch out and draw back is additionally arranged, additional supporting can be provided for the bottom end of the welding gun, and the situation that an original hinged support lug plate is loosened, so that the welding gun shakes to cause accidents is effectively prevented; two supporting and positioning structures are arranged, so that the stability of the welding gun is ensured, and the operation safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding processing equipment technical field, concretely is a kind of automatic bilateral welding equipment. BACKGROUND

[0002] Welding operation is the common process means for fixed connection of metal, and the connecting parts of two metal parts are fused by high temperature to fix and connect the two, and pipe processing is the equipment that makes full use of welding process, and the connection of flange ring and pipe in each link, etc., needs to be completed by welding, and bilateral welding is improved on the original welding technology, so that the equipment can simultaneously weld the symmetrical position of one axisymmetric metal part, which can greatly improve the efficiency of welding operation.

[0003] The existing pipe welding equipment mostly only uses a single welding gun, and the position of the pipe and the position of the welding gun need to be frequently adjusted by technical personnel, and the welding gun generally only has a positioning and direction-adjusting fixing component, lacks additional safety positioning structure, and once the installation position of the welding gun is loose during welding, the welding gun will rotate and shake, which may cause accidents.

[0004] To solve the above problems, we have made improvements and proposed an automatic bilateral welding equipment. INVENTION CONTENTS

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of automatic bilateral welding equipment, including base, the top surface front end of base is rotationally provided with pipe rack roller, and the rear end of base top surface is fixedly welded with stand column in middle part, the top of stand column is movably provided with first guide rail, the left and right ends of the front of first guide rail are movably provided with welding gun, and the bottom of the front of stand column is fixedly installed with second guide rail by bolt, the left and right ends of the front of second guide rail are movably provided with electric telescopic rod, and the top of electric telescopic rod is fixedly provided with limit clamping plate.

[0007] As a preferred technical scheme of the utility model, the front end of the top surface of base is fixedly installed with first electric guide rail, the front and back of first electric guide rail are provided with auxiliary slide rail, the top surface of first electric guide rail is slidably connected with platform, the front and back ends of platform bottom surface are slidably connected with the top surface of auxiliary slide rail respectively, the top surface of platform is fixedly installed with pipe rack groove by bolt, the two pipe rack rollers are movably connected with the left and right sides of pipe rack groove inner wall respectively, the left side outside pipe rack groove is fixedly installed with speed reducer by screw, and the speed reducer is transmissionally connected with the rotating shaft of pipe rack roller by chain wheel and chain.

[0008] As a preferred technical scheme of the utility model, the top of the front of the stand is fixedly installed with a second electric guide rail through bolts, the front of the second electric guide rail is slidably connected with a lifting plate, the middle of the back of the first guide rail is fixedly connected with the front of the lifting plate through bolts, a first bidirectional screw rod is rotatably installed in the first guide rail, a first motor is fixedly installed on the left of the outside of the first guide rail through screws, and the rotating shaft of the first motor is coaxially fixedly connected with the first bidirectional screw rod.

[0009] As a preferred technical scheme of the utility model, the top of the front of the stand is fixedly installed with a second electric guide rail through bolts, the front of the second electric guide rail is slidably connected with a lifting plate, the middle of the back of the first guide rail is fixedly connected with the front of the lifting plate through bolts, a first bidirectional screw rod is rotatably installed in the first guide rail, a first motor is fixedly installed on the left of the outside of the first guide rail through screws, and the rotating shaft of the first motor is coaxially fixedly connected with the first bidirectional screw rod.

[0010] As a preferred technical scheme of the utility model, the top of the front of the stand is fixedly installed with a second electric guide rail through bolts, the front of the second electric guide rail is slidably connected with a lifting plate, the middle of the back of the first guide rail is fixedly connected with the front of the lifting plate through bolts, a first bidirectional screw rod is rotatably installed in the first guide rail, a first motor is fixedly installed on the left of the outside of the first guide rail through screws, and the rotating shaft of the first motor is coaxially fixedly connected with the first bidirectional screw rod.

[0011] As a preferred technical scheme of the utility model, the top of the front of the stand is fixedly installed with a second electric guide rail through bolts, the front of the second electric guide rail is slidably connected with a lifting plate, the middle of the back of the first guide rail is fixedly connected with the front of the lifting plate through bolts, a first bidirectional screw rod is rotatably installed in the first guide rail, a first motor is fixedly installed on the left of the outside of the first guide rail through screws, and the rotating shaft of the first motor is coaxially fixedly connected with the first bidirectional screw rod.

[0012] As a preferred technical scheme of the utility model, the top of the front of the stand is fixedly installed with a second electric guide rail through bolts, the front of the second electric guide rail is slidably connected with a lifting plate, the middle of the back of the first guide rail is fixedly connected with the front of the lifting plate through bolts, a first bidirectional screw rod is rotatably installed in the first guide rail, a first motor is fixedly installed on the left of the outside of the first guide rail through screws, and the rotating shaft of the first motor is coaxially fixedly connected with the first bidirectional screw rod.

[0013] The automatic double-sided welding equipment has the following beneficial effects: the double-sided welding gun capable of being lifted together and capable of adjusting the distance is modified on the existing flange pipe welding equipment, can synchronously weld the two ends of the pipe, effectively improves the welding efficiency of the flange pipe, and the electrically-controllable supporting rod capable of synchronously adjusting the distance is additionally installed, can provide additional support for the bottom end of the welding gun, effectively prevents the original hinged lug plate from loosening and causes the welding gun to shake and accidents, the two supporting positioning structures ensure the stability of the welding gun and improve the operation safety. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model. In the drawings:

[0015] Fig. 1 This is a structural schematic diagram of an automatic double-sided welding device according to the present invention;

[0016] Fig. 2 This is a schematic diagram of the right side structure of an automatic double-sided welding device according to this utility model;

[0017] Fig. 3 This is a schematic diagram of the structure at point A of an automatic double-sided welding device according to this utility model;

[0018] In the diagram: 1. Base; 2. First electric guide rail; 3. Auxiliary slide rail; 4. Pipe support groove; 5. Pipe support roller; 6. Gear motor; 7. Column; 8. Second electric guide rail; 9. Lifting plate; 10. First guide rail; 11. First bidirectional threaded rod; 12. First motor; 13. First adjusting block; 14. Hinge ear plate; 15. Welding torch; 16. Second guide rail; 17. Second bidirectional threaded rod; 18. Second motor; 19. Second adjusting block; 20. Electric telescopic rod; 21. Limiting clamp. Detailed Implementation

[0019] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0020] Example: Figs. 1-3 As shown, an automatic double-sided welding device includes a base 1. A tube support roller 5 is rotatably mounted on the front end of the top surface of the base 1. A column 7 is fixedly welded to the middle of the rear end of the top surface of the base 1. A first guide rail 10 is movably mounted on the top of the column 7. Welding guns 15 are movably mounted on both the left and right ends of the front of the first guide rail 10. A second guide rail 16 is fixedly mounted on the bottom of the front of the column 7 by bolts. Electric telescopic rods 20 are movably mounted on both the left and right ends of the front of the second guide rail 16. A limit clamp 21 is fixedly mounted on the top of the electric telescopic rod 20.

[0021] A first electric guide rail 2 is fixedly installed at the front end of the top surface of the base 1. Auxiliary slide rails 3 are provided at both the front and rear sides of the first electric guide rail 2. A platform is slidably connected to the top surface of the first electric guide rail 2. The front and rear ends of the bottom surface of the platform are slidably connected to the top surface of the auxiliary slide rails 3 respectively. A support tube groove 4 is fixedly installed on the top surface of the platform by bolts. There are two support tube rollers 5. The left and right ends of the two support tube rollers 5 are rotatably connected to the left and right sides of the inner wall of the support tube groove 4 respectively. A reduction motor 6 is fixedly installed on the left side of the outside of the support tube groove 4 by screws. The reduction motor 6 is connected to the rotating shaft of the support tube roller 5 through a sprocket and chain.

[0022] The top of the front of the stand 7 is fixedly provided with a second electric guide rail 8 by bolts, the front of the second electric guide rail 8 is slidably connected with a lifting plate 9, the back of the middle of the first guide rail 10 is fixedly connected with the front of the lifting plate 9 by bolts, the inside of the first guide rail 10 is rotatably provided with a first bidirectional screw rod 11, the left side of the outside of the first guide rail 10 is fixedly provided with a first motor 12 by screws, the rotating shaft of the first motor 12 is coaxially fixedly connected with the first bidirectional screw rod 11.

[0023] The left and right ends of the inside of the first guide rail 10 are movably provided with first distance adjusting blocks 13, the first distance adjusting blocks 13 are threadedly connected with the first bidirectional screw rod 11, the front of each first distance adjusting block 13 is fixedly welded with a support, the bottom of the support is fixedly provided with a hinge ear plate 14 by bolts, the top of the welding gun 15 is rotatably connected with the hinge ear plate 14, the top of the hinge ear plate 14 is fixedly penetrated by a bolt.

[0024] The inside of the second guide rail 16 is rotatably provided with a second bidirectional screw rod 17, the left side of the outside of the second guide rail 16 is fixedly provided with a second motor 18 by bolts, the rotating shaft of the second motor 18 is coaxially fixedly connected with the second bidirectional screw rod 17, the left and right ends of the inside of the second guide rail 16 are movably provided with second distance adjusting blocks 19, the two second distance adjusting blocks 19 are threadedly connected with the second bidirectional screw rod 17.

[0025] The front of the second distance adjusting block 19 is fixedly welded with an inclined support, the bottom of the electric telescopic rod 20 is fixedly connected with the front of the inclined support by screws.

[0026] The top of the electric telescopic rod 20 is fixedly provided with a pad plate by screws, there are two limiting clamping plates 21, the left and right ends of the top of the pad plate are fixedly welded with the two limiting clamping plates 21 respectively, the distance between the two limiting clamping plates 21 is the same as the outer diameter of the welding gun 15.

[0027] Working principle: when the automatic double-sided welding equipment is used, the flange pipe frame to be welded is placed on the two pipe frame rollers 5, then the first bidirectional screw rod 11 and the second bidirectional screw rod 17 are driven to rotate by the first motor 12 and the second motor 18, thereby adjusting the distance between the first distance adjusting block 13 and the second distance adjusting block 19, and at the same time, the moving pipe frame groove 4 is moved, so that the welding edge of the flange pipe is aligned with the welding gun 15, then the lifting plate 9 is controlled to be lowered, and at the same time, the electric telescopic rod 20 is controlled to extend the limiting clamping plate 21, until the welding gun 15 is aligned with the starting point of welding, and the gun body of the welding gun 15 is clamped into the limiting clamping plate 21, then the bolt on the hinge ear plate 14 is tightened with a tool to lock, and then the welding can be started, and when the welding is started, the deceleration motor 6 is started to realize the automatic double-sided welding of the flange pipe.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. An automatic double-sided welding device, comprising a base (1), characterized in that, The top front end of the base (1) is rotatably provided with a support roller (5), and the rear end of the top surface of the base (1) is fixedly welded with a column (7). The top of the column (7) is movably provided with a first guide rail (10). Welding guns (15) are movably provided on both the left and right ends of the front of the first guide rail (10). The bottom of the front of the column (7) is fixedly installed with a second guide rail (16) by bolts. Electric telescopic rods (20) are movably provided on both the left and right ends of the front of the second guide rail (16). A limit clamp (21) is fixedly provided on the top of the electric telescopic rod (20).

2. The automatic double-sided welding equipment according to claim 1, characterized in that, The first electric guide rail (2) is fixedly installed at the front end of the top surface of the base (1). The first electric guide rail (2) is provided with auxiliary slide rails (3) at both the front and rear. The top surface of the first electric guide rail (2) is slidably connected to a platform. The front and rear ends of the bottom surface of the platform are slidably connected to the top surface of the auxiliary slide rails (3). The top surface of the platform is fixedly installed with a tube rack (4) by bolts. There are two tube rack rollers (5). The left and right ends of the two tube rack rollers (5) are rotatably connected to the left and right sides of the inner wall of the tube rack (4) respectively. The left side of the outside of the tube rack (4) is fixedly installed with a reduction motor (6) by screws. The reduction motor (6) is connected to the rotating shaft of the tube rack roller (5) through a sprocket chain.

3. The automatic double-sided welding equipment according to claim 1, characterized in that, The top of the front of the column (7) is fixedly installed with a second electric guide rail (8) by bolts. The front of the second electric guide rail (8) is slidably connected with a lifting plate (9). The middle of the back of the first guide rail (10) is fixedly connected with the front of the lifting plate (9) by bolts. The first bidirectional threaded rod (11) is rotatably installed inside the first guide rail (10). The left side of the outside of the first guide rail (10) is fixedly installed with a first motor (12) by screws. The rotating shaft of the first motor (12) is coaxially fixedly connected with the first bidirectional threaded rod (11).

4. An automatic double-sided welding device according to claim 3, characterized in that, The first guide rail (10) has a first adjusting block (13) movably installed at both the left and right ends. The first adjusting block (13) is threadedly connected to the first bidirectional threaded rod (11). The front of the first adjusting block (13) is fixedly welded with a bracket. The bottom surface of the bracket is fixedly installed with a hinge ear plate (14) by bolts. The top of the welding gun (15) is rotatably connected to the hinge ear plate (14). The top of the hinge ear plate (14) is fixedly installed with bolts.

5. An automatic double-sided welding device according to claim 1, characterized in that, The second guide rail (16) is rotatably mounted with a second bidirectional threaded rod (17). The second motor (18) is fixedly mounted on the left side of the second guide rail (16) by bolts. The shaft of the second motor (18) is coaxially fixedly connected with the second bidirectional threaded rod (17). The left and right ends of the second guide rail (16) are movably provided with second adjusting blocks (19). Both of the second adjusting blocks (19) are threadedly connected to the second bidirectional threaded rod (17).

6. An automatic double-sided welding device according to claim 5, characterized in that, The front of the second adjusting block (19) is fixedly welded with an inclined bracket, and the bottom of the electric telescopic rod (20) is fixedly connected to the front of the inclined bracket by screws.

7. An automatic double-sided welding device according to claim 1, characterized in that, The top of the electric telescopic rod (20) is fixed with a pad by screws. There are two limiting clamps (21). The two limiting clamps (21) are fixedly welded to the left and right ends of the top surface of the pad, respectively. The distance between the two limiting clamps (21) is the same as the outer diameter of the welding gun (15).

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