Finishing device for steel pipe welding production

By designing a dressing device including electric lifting rods, grinding shafts and belt pulleys, the problem of welding tumor dressing that the prior art cannot be applied to steel pipes of different sizes is solved, and the effective dressing of steel pipes of different sizes is achieved, and the scope of application is expanded. Improved dressing efficiency.

CN222308329UActive Publication Date: 2025-01-07ZHEJIANG DINGCHANG PIPE IND CO LTD
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Patent Information

Application Number
CN202421143899.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-01-07
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The prior art cannot be applied to welding welding after straight seam welding of steel pipes of different sizes, resulting in a narrow scope of application.

Method used

A dressing device including an electric lifting rod, a grinding shaft, a roller shaft and a belt pulley is designed. The roller shaft distance is adjusted through the slide rod, and the belt drives the grinding shaft to rotate, so as to achieve polishing and grinding of steel pipes of different sizes.

Benefits of technology

It realizes the applicability to steel pipes of different sizes, expands the scope of dressing, and improves the dressing efficiency and flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a finishing device for steel pipe welding production, which is applied to the field of steel pipe machining equipment and comprises a base, an electric lifting rod is fixedly connected to the side edge of the top end of the base, and a motor is fixedly connected to the top end of the electric lifting rod. The distance between the two roll shafts can be adjusted through sliding of the sliding rods, the second rotating shaft and the second belt drive the sliding blocks to move along with the roll shafts during movement, after adjustment, block plates can be inserted into the bottoms of the sliding blocks to fix and limit the sliding blocks, steel pipes can be placed on the roll shafts at the moment, and then the electric lifting rods are driven to vertically adjust the distance between the grinding shafts and the roll shafts. And therefore, the motor can be started to drive the grinding shaft to rotate to grind the welding position of the steel pipe through connection of the first belt between the first belt pulley and the second belt pulley, and the effects that the roller shaft and the grinding shaft are freely adjusted according to the steel pipes of different sizes, and the application range is wide are effectively achieved.
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Description

Technical Field

[0001] The utility model relates to a finishing device for steel pipe welding production, in particular to a finishing device for steel pipe welding production applied in the field of steel pipe processing equipment. Background Art

[0002] Welding, also known as fusion welding, is a manufacturing process and technology that uses heating, high temperature or high pressure to join metals or other thermoplastic materials such as plastics. There are many sources of energy for modern welding, including gas flame, arc, laser, electron beam, friction and ultrasonic waves. In addition to being used in factories, welding can also be performed in a variety of environments, such as outdoors, underwater and in space.

[0003] The specification of Chinese patent CN213470602U discloses a plate burr trimming device for a spiral steel pipe production line, including a workbench, on which are arranged a plurality of rotatable rollers in a straight line, a first gear being arranged on one side of the plurality of rollers, a first motor being arranged under the workbench, the first motor and the plurality of first gears being connected through a conveyor belt transmission; a plurality of side columns are respectively arranged on both sides of the workbench, a rotatable second gear being arranged on the upper side of the side columns, a mounting stud being arranged at the center of the second gear, and a detachable pressing wheel being mounted on the mounting stud. In this utility model, steel plates of different thicknesses and widths can be trimmed, and the trimmed edges are flat, which is convenient for the subsequent curling and welding processes.

[0004] The specification of Chinese patent CN213917431U discloses a weld dressing device, including an operating table, a grinding device is arranged on the operating table, the grinding device includes a dressing box, grinding blocks are slidably arranged on two opposite sides of the dressing box, grinding slideways are provided on both sides of the dressing box, the grinding blocks slide and cooperate with the corresponding grinding slideways, a guide slideway is provided on the side of the grinding block close to the dressing box, a driving motor is fixed in the dressing box, a rotating shaft is coaxially fixed to the output shaft of the driving motor, a guide plate is coaxially fixed to the side of the rotating shaft away from the dressing box, a guide rod is fixed to the side of the guide plate away from the center of the circle, and the guide rod slides and cooperate with the guide slideway. The utility model provides a weld dressing device which improves work efficiency, reduces work difficulty and ensures work quality.

[0005] At present, when repairing the weld nodules remaining on the steel pipes after straight seam welding, usually only the steel pipes of fixed models can be polished and ground, resulting in a narrow scope of application. Utility Model Content

[0006] In view of the above-mentioned prior art, the technical problem to be solved by the utility model is that when the weld nodules remaining on the steel pipes after straight seam welding are trimmed, usually only the steel pipes of fixed models can be polished and ground, resulting in a narrow scope of application.

[0007] The top end of the electric motor is connected with the gear train of the motor, and the gear train is connected with the gear train of the motor through the gear train, and the gear train is connected with the gear train of the motor to the gear train of the motor.

[0008] In the above-mentioned dressing device, the roller shaft and the grinding shaft can be adjusted freely according to the steel pipes of different sizes, and the application range is wide.

[0009] As a further improvement of the present application, a support plate is fixedly connected to the side end of the slider, a micro motor is fixedly connected to the support plate, and an output end of the micro motor is connected to the second rotating shaft.

[0010] As a further improvement of the present application, threaded shafts are symmetrically fixedly connected at both ends of the grinding shaft, a first rotating shaft is threadedly connected to the threaded shaft, and the first rotating shaft is rotatably connected to the clamp.

[0011] As a further improvement of the present application, a baffle is detachably connected to the side end of the clamp away from the first belt pulley.

[0012] As another improvement of the present application, a handle is detachably connected to the threaded shaft, and the handle includes two symmetrical carrying rods.

[0013] As another improved supplement of the present application, a telescopic rod is fixedly connected between the two carrying rods, and a positioning shaft is threadedly connected to the telescopic rod.

[0014] As another improved supplement of the present application, the bottom end of the lifting rod is fixedly connected to the outer shell, the motor is fixedly connected inside the outer shell, a groove is formed at one end of the threaded shaft close to the motor, and the output end of the motor is connected to the groove, and the bottom end of the lifting rod away from the outer shell is fixedly connected to a clamping sleeve, and the clamping sleeve is engaged with the groove.

[0015] To sum up, this scheme can be realized. When the welded steel pipe is polished and ground, the distance between the two rollers can be adjusted by sliding the slide bar. While moving, the slider is driven to move with it by the second rotating shaft and the second belt. After adjustment, a block plate can be inserted at the bottom of the slider to fix it. At this time, the steel pipe can be placed on the roller, and then the electric lifting rod can be driven up and down to adjust the distance between the grinding shaft and the roller so that it contacts the steel pipe. The motor can be turned on to drive the grinding shaft to rotate through the connection of the first belt between the first belt pulley and the second belt pulley to grind the welding part of the steel pipe, which effectively achieves the effect of freely adjusting the roller and the grinding shaft according to steel pipes of different sizes, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an axonometric view of the polishing device of the first and second embodiments of the present application;

[0017] Figure 2 This is a structural diagram of the positioning mechanism of the first embodiment of the present application;

[0018] Figure 3 This is a structural diagram of a grinding mechanism according to a first embodiment of the present application;

[0019] Figure 4 For this application Figure 3 Enlarged view of point A in the middle;

[0020] Figure 5 This is a structural diagram of a grinding shaft according to a second embodiment of the present application;

[0021] Figure 6 This is a handle structure diagram of the second embodiment of the present application;

[0022] Figure 7 This is a shell structure diagram of the second embodiment of the present application.

[0023] Description of the numbers in the figure:

[0024] 1. Base; 2. Electric lifting rod; 3. Connecting rod; 4. Grinding shaft; 5. First belt pulley; 6. Second belt pulley; 7. First belt; 8. Motor; 9. First slide; 10. Slide rod; 11. Roller; 12. Steel pipe; 13. Second slide; 14. Second belt; 15. Third belt pulley; 16. Slider; 17. Clamp; 18. Baffle; 19. First rotating shaft; 20. Motor; 21. Threaded shaft; 22. Groove; 23. Housing; 24. Lifting rod; 25. Telescopic rod; 26. Positioning shaft; 27. Sleeve. DETAILED DESCRIPTION

[0025] Two implementation modes of the present application are described in detail below with reference to the accompanying drawings.

[0026] The first implementation method:

[0027] Figure 1-4 A finishing device for steel pipe welding production is shown, comprising a base 1, an electric lifting rod 2 is fixedly connected to the side of the top of the base 1, a motor 8 is fixedly connected to the top of the electric lifting rod 2, a connecting rod 3 is symmetrically fixedly connected to the top wall of the electric lifting rod 2 directly below the motor 8, a clamp 17 is fixedly connected to the bottom of the connecting rod 3, a grinding shaft 4 is rotatably connected between the two clamps 17, a second belt pulley 6 is sleeved on the output end of the motor 8, a first belt pulley 5 is sleeved on the grinding shaft 4 on the same side as the output end of the motor 8, and the first belt pulley 5 is connected to the second belt pulley 6 through a first belt 7, and the top of the base 1 located below the grinding shaft 4 is symmetrical A first slide groove 9 is excavated, and a slide rod 10 is symmetrically slidably connected in the first slide groove 9, and a roller shaft 11 is rotatably connected between the two slide rods 10. A second slide groove 13 located in the middle of the first slide groove 9 is excavated at the side end of the base 1, and a slider 16 is slidably connected in the second slide groove 13. The side end of the slider 16 is rotatably connected to the second rotating shaft. The second rotating shaft and the roller shaft 11 are both sleeved with a third belt pulley 15, and the three third belt pulleys 15 are rotatably connected by a second belt 14. A steel pipe 12 is rotatably connected above the roller shaft 11, and a support plate is fixedly connected to the side end of the slider 16, and a micro motor is fixedly connected to the support plate, and the output end of the micro motor is connected to the second rotating shaft.

[0028] This solution can be achieved, when the welded steel pipe 12 is polished and ground, the distance between the two rollers 11 can be adjusted by sliding the slide bar 10, and while moving, the slider 16 is driven to move along with it through the second rotating shaft and the second belt 14. After adjustment, a block plate can be inserted at the bottom of the slider 16 to fix it in a limited position. At this time, the steel pipe 12 can be placed on the roller 11, and then the electric lifting rod 2 is driven up and down to adjust the distance between the grinding shaft 4 and the roller 11 so that it contacts the steel pipe 12, so that the motor 8 can be turned on to drive the grinding shaft 4 to rotate through the connection of the first belt 7 between the first belt pulley 5 and the second belt pulley 6 to grind the welding part of the steel pipe 12, thereby effectively achieving the effect of freely adjusting the roller 11 and the grinding shaft 4 according to the steel pipes 12 of different sizes, and having a wide range of applications.

[0029] The second implementation method:

[0030] Figure 1 and Figure 5-7It is shown that the grinding shaft 4 is symmetrically fixedly connected with a threaded shaft 21 at both ends, the threaded shaft 21 is threadedly connected with a first rotating shaft 19, and the first rotating shaft 19 is rotatably connected to the clamp 17, the side end of the clamp 17 away from the first belt pulley 5 is detachably connected with a baffle 18, the threaded shaft 21 is detachably connected with a handle, the handle includes two symmetrical lifting rods 24, a telescopic rod 25 is fixedly connected between the two lifting rods 24, a positioning shaft 26 is threadedly connected to the telescopic rod 25, the bottom end of the lifting rod 24 is fixedly connected with a shell 23, a motor 20 is fixedly connected inside the shell 23, a groove 22 is chiseled at one end of the threaded shaft 21 close to the motor 20, and the output end of the motor 20 is connected to the groove 22, the bottom end of the lifting rod 24 away from the shell 23 is fixedly connected with a clamping sleeve 27, and the clamping sleeve 27 is engaged with the groove 22.

[0031] This solution can be achieved when polishing and grinding the steel pipe 12 in a bent state after forming, the baffle 18 can be removed from the clamp 17, and then the first rotating shaft 19 close to the baffle 18 side can be removed by twisting, and then the grinding shaft 4 can be removed from the other first rotating shaft 19 in the same way. At this time, the grinding shaft 4 can be removed from the device separately, and then the output end of the motor 20 on the handle is connected to the groove 22, and then the sleeve 27 is engaged with the groove 22 at the other end through telescopic adjustment, and then the telescopic rod 25 is adjusted to clamp the grinding shaft 4, and then the telescopic rod 25 is positioned by the positioning shaft 26. At this time, the telescopic rod 25 can be held by hand to turn on the motor 20 to drive the grinding shaft 4 to grind the bending part, which effectively achieves the effect of freely switching the use mode according to actual needs.

[0032] In view of current practical needs, the protection scope of the above-mentioned implementation mode adopted in this application is not limited to this. Various changes made within the knowledge scope of technical personnel in this field without departing from the concept of this application still fall within the protection scope of this utility model.

Claims

1. A finishing device for steel pipe welding production, comprising a base (1), characterized in that: The top side of the base (1) is fixedly connected to an electric lifting rod (2), the top of the electric lifting rod (2) is fixedly connected to a motor (8), the top wall of the electric lifting rod (2) located directly below the motor (8) is symmetrically fixedly connected to a connecting rod (3), the bottom of the connecting rod (3) is fixedly connected to a clamp (17), a grinding shaft (4) is rotatably connected between the two clamps (17), the output end of the motor (8) is sleeved with a second belt pulley (6), the grinding shaft (4) on the same side as the output end of the motor (8) is sleeved with a first belt pulley (5), and the first belt pulley (5) is connected to the second belt pulley (6) through a first belt (7), and the grinding shaft (4) is located A first slide groove (9) is symmetrically formed at the top of the base (1) below, a slide rod (10) is symmetrically slidably connected in the first slide groove (9), a roller shaft (11) is rotatably connected between the two slide rods (10), a second slide groove (13) is formed at the side end of the base (1) and is located in the middle of the first slide groove (9), a slider (16) is slidably connected in the second slide groove (13), a second rotating shaft is rotatably connected at the side end of the slider (16), a third belt pulley (15) is sleeved on the second rotating shaft and the roller shaft (11), the three third belt pulleys (15) are rotatably connected to each other through a second belt (14), and a steel pipe (12) is rotatably connected above the roller shaft (11).

2. A finishing device for steel pipe welding production according to claim 1, characterized in that: The side end of the slider (16) is fixedly connected to a support plate, the support plate is fixedly connected to a micro motor, and the output end of the micro motor is connected to the second rotating shaft.

3. A finishing device for steel pipe welding production according to claim 1, characterized in that: The two ends of the grinding shaft (4) are symmetrically fixedly connected with threaded shafts (21), the threaded shaft (21) is threadedly connected with a first rotating shaft (19), and the first rotating shaft (19) is rotatably connected to the clamp (17).

4. A finishing device for steel pipe welding production according to claim 3, characterized in that: A baffle (18) is detachably connected to the side end of the clamp (17) away from the first belt pulley (5).

5. A finishing device for steel pipe welding production according to claim 3, characterized in that: The threaded shaft (21) is detachably connected to a handle, the handle comprising two symmetrical carrying rods (24).

6. A finishing device for steel pipe welding production according to claim 5, characterized in that: A telescopic rod (25) is fixedly connected between the two lifting rods (24), and a positioning shaft (26) is threadedly connected to the telescopic rod (25).

7. The finishing device for steel pipe welding production according to claim 5, characterized in that: The bottom end of the lifting rod (24) is fixedly connected to a housing (23), a motor (20) is fixedly connected inside the housing (23), a groove (22) is formed at one end of the threaded shaft (21) close to the motor (20), and an output end of the motor (20) is connected to the groove (22), and a clamping sleeve (27) is fixedly connected to the bottom end of the lifting rod (24) away from the housing (23), and the clamping sleeve (27) is engaged with the groove (22).

Citation Information

Patent Citations

  • Plate burr trimming device for spiral steel pipe production line

    CN213470602U

  • Weld joint trimming device

    CN213917431U