Welding auxiliary device for electric welder

Abstract

The utility model relates to the technical field of pipeline welding, and provides an electric welder welding auxiliary device which comprises a bottom plate and two matched mounting plates, the bottom ends of the two mounting plates are both vertically connected with four evenly-distributed supporting rods, the bottom ends of the supporting rods are vertically connected to the top end of the bottom plate, and the top ends of the mounting plates are provided with control grooves. Servo motors are mounted at the ends, away from each other, of the two mounting plates, first threaded rods are connected to the output ends of the servo motors, one ends of the first threaded rods are rotationally connected with the inner side walls of the control grooves, threaded parts are in threaded connection with the first threaded rods, and the top ends of the threaded parts penetrate through the control grooves to be connected with moving plates; and the top end of the moving plate is connected with a first clamping piece and a supporting frame, the top end of the supporting frame is in threaded connection with a second threaded rod, and the bottom end of the second threaded rod is rotationally connected with a second clamping piece, so that the steel pipe is prevented from being rotated for multiple times during welding, and the welding convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline welding, in particular to a welding auxiliary device for electric welders. Background Art

[0002] During pipeline construction, pipeline welding is a common process in engineering manufacturing. The quality of steel pipe welding directly affects the reliability and service life of the steel pipe. In particular, the popularity of seamless steel pipes requires high welding technology. In the existing technology, the weld joints of steel pipes require the cooperation of two or more personnel to complete, and human factors lead to uneven quality of welds, affecting the overall appearance.

[0003] After searching, China disclosed a welding auxiliary device for welders with patent publication number CN215616188U on January 25, 2022, which is roughly described as including a first support plate and a second support plate connected in an inverted V shape, with support feet extending downward from both ends of the first support plate and the second support plate respectively and supporting the two support plates. The lower part of the first support plate is fixed with at least two first support plates extending upward, spaced a certain distance apart and at the same height, and the lower part of the second support plate is also fixed with at least two second support plates extending upward, spaced a certain distance apart and at the same height, and a V-shaped space for supporting steel pipes is formed between the first and second support plates and the first and second support plates respectively.

[0004] Although the above-mentioned prior art solution only requires one welder to complete the weld joint butt connection and welding work, the device places the two sections of steel pipes to be welded in the space between the support plate and the first abutment plate and the second abutment plate, causing the bottom end of the steel pipe to be close to the ground. The steel pipe needs to be rotated multiple times to complete the welding of a full circle, causing inconvenience. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a welding auxiliary device for electric welders to solve the problem in the background art that the bottom end of the steel pipe is close to the ground and the steel pipe needs to be rotated several times to complete a full circle of welding, causing inconvenience.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a welding auxiliary device for electric welders, comprising a base plate, comprising two matching mounting plates, the bottom ends of the two mounting plates are vertically connected to four evenly distributed support rods, the bottom ends of the support rods are vertically connected to the top of the base plate, the top of the mounting plate is provided with a control groove, and a servo motor is installed at one end of the two mounting plates away from each other, the output end of the servo motor is fixedly connected to a first threaded rod, one end of the first threaded rod is rotatably connected to the inner side wall of the control groove, a threaded member is threadedly connected to the first threaded rod, the top of the threaded member passes through the control groove and is connected to a movable plate, the bottom end of the movable plate is slidably connected to the mounting plate, the top of the movable plate is connected to a first clamping member, the top of the movable plate is fixedly connected to a support frame matching the first clamping member, the top of the support frame is provided with a threaded hole, the internal thread of the threaded hole is threadedly connected to a second threaded rod, and the bottom end of the second threaded rod is rotatably connected to a second clamping member matching the first clamping member.

[0009] By adopting the above technical scheme, the two steel pipes are respectively placed on the two first clamping members, and the second threaded rod is rotated to drive the second clamping member to move, so that the second clamping member cooperates with the first clamping member to clamp and fix the steel pipe, and the support rod is vertically connected to the base plate and the mounting plate, so that the two mounting plates are on the same plane, so that the axes of the two steel pipes coincide with each other, and at this time, the servo motor is started to drive the first threaded rod to rotate, and the first threaded rod drives the threaded member and the movable plate to move, so as to drive the opposite ends of the two steel pipes to dock, so that the entire circle of the welding points of the two steel pipes has sufficient space, so as to avoid multiple rotations of the steel pipes during welding, thereby improving the convenience of welding.

[0010] Optionally, an anti-slip pad is fixedly connected to one end of the first clamping member and the end of the second clamping member that are close to each other.

[0011] By adopting the above technical solution, the anti-skid pad is used to increase the friction between the first clamping member, the second clamping member and the steel pipe, so as to prevent the steel pipe from rotating or slipping between the first clamping member and the second clamping member, thereby achieving the purpose of improving the stability of the equipment.

[0012] Optionally, a first limiting sliding groove is provided on the inner side wall of the support frame, and a first limiting sliding block matching with the first limiting sliding groove is fixedly connected to the second clamping member.

[0013] By adopting the above technical solution, the first limiting sliding groove cooperates with the first limiting sliding block to limit the second clamping member to prevent the second clamping member from rotating, so that the angle of the second clamping member cooperates with the first clamping member.

[0014] Optionally, a second limiting sliding groove is formed at the top of each of the two mounting plates, and a second limiting sliding block matching with the second limiting sliding groove is fixedly connected to the bottom end of the movable plate.

[0015] By adopting the above technical solution, the second limiting slide groove cooperates with the second limiting slider to limit the position of the movable plate to prevent the movable plate from rotating, so that the two first clamping plates cooperate to prevent the docking surfaces of the two steel pipes from being skewed, thereby achieving the purpose of improving the stability of the equipment.

[0016] Optionally, a roller is provided at the bottom end of the second limiting sliding block, and the bottom end of the roller is in close contact with the inner lower side wall of the second limiting sliding groove.

[0017] By adopting the above technical solution, the roller is used to reduce the friction between the second limiting sliding block and the second limiting sliding groove, thereby facilitating the movement of the movable plate.

[0018] (III) Beneficial effects

[0019] In summary, the present invention includes at least one of the following beneficial technical effects:

[0020] 1. The welding auxiliary device for electric welders places two steel pipes on two first clamping pieces respectively, and rotates the second threaded rod to drive the second clamping piece to move, so that the second clamping piece cooperates with the first clamping piece to clamp and fix the steel pipes, and the support rod is vertically connected to the base plate and the mounting plate, so that the two mounting plates are on the same plane, so that the axes of the two steel pipes coincide with each other, and at this time, the servo motor is started to drive the first threaded rod to rotate, and the first threaded rod drives the threaded piece and the moving plate to move, so as to drive the opposite ends of the two steel pipes to dock, so that the entire circle of the welding points of the two steel pipes has sufficient space, so as to avoid multiple rotations of the steel pipes during welding, so as to improve the convenience of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a first side structural schematic diagram of the utility model;

[0022] Figure 2 This is a second side structural schematic diagram of the utility model;

[0023] Figure 3 This is a schematic diagram of the first cross-sectional structure of the utility model;

[0024] Figure 4 For this utility model Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0025] In the figure: 1. base plate; 2. mounting plate; 3. support rod; 4. servo motor; 5. first threaded rod; 6. threaded member; 7. movable plate; 8. first clamping member; 9. support frame; 10. second threaded rod; 11. second clamping member; 12. anti-slip pad; 13. first limit slide groove; 14. first limit slider; 15. second limit slide groove; 16. second limit slider; 17. roller. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0028] Reference Figure 1-Figure 4 , a welding auxiliary device for electric welders, including a base plate 1, including two matching mounting plates 2, the bottom ends of the two mounting plates 2 are vertically connected with four evenly distributed support rods 3, the bottom ends of the support rods 3 are vertically connected to the top of the base plate 1, a control groove is provided at the top of the mounting plate 2, and a servo motor 4 is installed at one end of the two mounting plates 2 away from each other, and the output end of the servo motor 4 is fixedly connected with a first threaded rod 5, one end of the first threaded rod 5 is rotatably connected to the inner side wall of the control groove, a threaded member 6 is threadedly connected to the first threaded rod 5, and the top of the threaded member 6 passes through the control groove and is connected to a moving plate 7, the bottom end of the moving plate 7 is slidably connected to the mounting plate 2, the top end of the moving plate 7 is connected with a first clamping member 8, the top end of the moving plate 7 is fixedly connected with a support frame 9 matching the first clamping member 8, and the top of the support frame 9 is provided with a threaded hole, and the internal thread of the threaded hole is connected There is a second threaded rod 10, and the bottom end of the second threaded rod 10 is rotatably connected to a second clamping piece 11 that cooperates with the first clamping piece 8. The two steel pipes are placed on the two first clamping pieces 8 respectively, and the second threaded rod 10 is rotated to drive the second clamping piece 11 to move, so that the second clamping piece 11 cooperates with the first clamping piece 8 to clamp and fix the steel pipe. The support rod 3 is vertically connected to the base plate 1 and the mounting plate 2, so that the two mounting plates 2 are on the same plane, so that the axes of the two steel pipes coincide with each other. At this time, the servo motor 4 is started to drive the first threaded rod 5 to rotate, and the first threaded rod 5 drives the threaded piece 6 and the movable plate 7 to move, so as to drive the opposite ends of the two steel pipes to dock, so that the entire circle of the welding points of the two steel pipes has sufficient space, so as to avoid multiple rotations of the steel pipes during welding, so as to improve the convenience of welding.

[0029] Reference Figure 1 and Figure 3 The ends of the first clamping member 8 and the second clamping member 11 that are close to each other are fixedly connected with an anti-skid pad 12. The anti-skid pad 12 is used to increase the friction between the first clamping member 8, the second clamping member 11 and the steel pipe, so as to prevent the steel pipe from rotating or slipping between the first clamping member 8 and the second clamping member 11, thereby achieving the purpose of improving the stability of the equipment.

[0030] Reference Figure 1 and Figure 2 A first limiting slide groove 13 is provided on the inner side wall of the support frame 9, and a first limiting slider 14 matching the first limiting slide groove 13 is fixedly connected to the second clamping member 11. The first limiting slide groove 13 matches the first limiting slider 14 to limit the second clamping member 11 to prevent the second clamping member 11 from rotating, so that the angle of the second clamping member 11 matches the first clamping member 8.

[0031] Reference Figure 1-Figure 4 A second limiting slide groove 15 is provided at the top of the two mounting plates 2, and a second limiting slider 16 matching the second limiting slide groove 15 is fixedly connected to the bottom end of the movable plate 7. The second limiting slide groove 15 matches the second limiting slider 16 to limit the position of the movable plate 7 to prevent the movable plate 7 from rotating, so that the two first clamping plates cooperate to prevent the butt joint surfaces of the two steel pipes from being deflected, thereby achieving the purpose of improving the stability of the equipment.

[0032] Reference Figure 3 and Figure 4 A roller 17 is provided at the bottom end of the second limiting slider 16, and the bottom end of the roller 17 is close to the inner lower side wall of the second limiting slide groove 15. The roller 17 is used to reduce the friction between the second limiting slider 16 and the second limiting slide groove 15, so as to facilitate the movement of the movable plate 7.

[0033] In summary, the working principle and working process of the welding auxiliary device for electric welders are as follows: when in use, first place the two steel pipes on the two first clamping members 8 respectively, rotate the second threaded rod 10 to drive the second clamping member 11 to move, so that the second clamping member 11 cooperates with the first clamping member 8 to clamp and fix the steel pipe, the support rod 3 is vertically connected to the base plate 1 and the mounting plate 2, so that the two mounting plates 2 are on the same plane, so that the axes of the two steel pipes coincide with each other, at this time, start the servo motor 4 to drive the first threaded rod 5 to rotate, the first threaded rod 5 drives the threaded member 6 and the moving plate 7 to move, so as to drive the opposite ends of the two steel pipes to dock, so that the entire circle of the welding points of the two steel pipes has sufficient space, so as to avoid multiple rotations of the steel pipes during welding, so as to improve the convenience of welding, and the anti-slip pad 12 is used to improve the first The friction between the first clamping member 8 and the second clamping member 11 and the steel pipe is used to prevent the steel pipe from rotating or slipping between the first clamping member 8 and the second clamping member 11, so as to achieve the purpose of improving the stability of the equipment. The first limiting slide groove 13 cooperates with the first limiting slider 14 to limit the second clamping member 11 to prevent the second clamping member 11 from rotating, so that the angle of the second clamping member 11 cooperates with the first clamping member 8. The second limiting slide groove 15 cooperates with the second limiting slider 16 to limit the position of the movable plate 7 to prevent the movable plate 7 from rotating, so that the two first clamping plates cooperate to prevent the docking surfaces of the two steel pipes from being deflected, so as to achieve the purpose of improving the stability of the equipment. The roller 17 is used to reduce the friction between the second limiting slider 16 and the second limiting slide groove 15, so as to facilitate the movement of the movable plate 7.

[0034] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A welding auxiliary device for electric welders, comprising a base plate (1), characterized in that: The invention comprises two matching mounting plates (2), the bottom ends of the two mounting plates (2) are vertically connected to four evenly distributed support rods (3), the bottom ends of the support rods (3) are vertically connected to the top of the bottom plate (1), the top ends of the mounting plates (2) are provided with control grooves, the ends of the two mounting plates (2) away from each other are both provided with servo motors (4), the output ends of the servo motors (4) are fixedly connected to a first threaded rod (5), one end of the first threaded rod (5) is rotatably connected to the inner side wall of the control groove, and a threaded member ( 6), the top end of the threaded member (6) passes through the control groove and is connected to a movable plate (7), the bottom end of the movable plate (7) is slidably connected to the mounting plate (2), the top end of the movable plate (7) is connected to a first clamping member (8), the top end of the movable plate (7) is fixedly connected to a support frame (9) matched with the first clamping member (8), a threaded hole is provided at the top end of the support frame (9), the internal thread of the threaded hole is connected to a second threaded rod (10), and the bottom end of the second threaded rod (10) is rotatably connected to a second clamping member (11) matched with the first clamping member (8).

2. The welding auxiliary device for electric welders according to claim 1, characterized in that: The ends of the first clamping member (8) and the second clamping member (11) that are close to each other are both fixedly connected with an anti-slip pad (12).

3. The welding auxiliary device for electric welders according to claim 1, characterized in that: A first limiting sliding groove (13) is provided on the inner side wall of the support frame (9), and a first limiting sliding block (14) matching with the first limiting sliding groove (13) is fixedly connected to the second clamping member (11).

4. The welding auxiliary device for electric welders according to claim 1, characterized in that: The top ends of the two mounting plates (2) are each provided with a second limiting sliding groove (15), and the bottom end of the movable plate (7) is fixedly connected with a second limiting sliding block (16) matched with the second limiting sliding groove (15).

5. The welding auxiliary device for electric welders according to claim 4, characterized in that: A roller (17) is provided at the bottom end of the second limiting sliding block (16), and the bottom end of the roller (17) is in close contact with the inner lower side wall of the second limiting sliding groove (15).

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