Forming device of spiral welded pipe unit

Abstract

The utility model relates to the technical field of spiral welded pipe forming, and discloses a spiral welded pipe unit former which comprises a support, a curling mechanism is arranged on the surface of the support and comprises a two-way lead screw, and an adjusting plate is in threaded connection with the outer edge of the two-way lead screw. According to the spiral welded pipe unit former, a worm gear drives a first supporting block to adjust the angle, a third motor is started to drive a forming wheel to rotate, the forming wheel applies pressure to a steel plate through angle adjustment of the first supporting block, and the steel plate can be driven to move through rotation of the forming wheel; the spiral welded pipe forming device has the advantages that the spiral welded pipes required according to different diameters can be effectively adjusted, so that the working efficiency is improved, and the problems that according to an existing forming device, the spiral welded pipe forming device is large in size limitation of the spiral welded pipes, poor in production flexibility, large in device size, inconvenient to detect by personnel and capable of affecting the working efficiency are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of spiral welded pipe forming, in particular to a forming device for a spiral welded pipe machine. Background Technique

[0002] The production process of spiral welded pipe is as follows: raw material steel strip coil - uncoiling - supported by a set of carrying rollers - centered by centering vertical rollers - delivered by a delivery machine - guided by a guide plate - bent and formed by a forming machine - internally welded - inspected by on-line ultrasonic inspection - cut - the steel pipe is output by the rear axle - repaired by welding - inspected for finished products - collected. Among them, the bending and forming by the forming machine is a crucial step for product quality. When the sheet enters the forming machine, while the forming machine rolls the sheet into a steel pipe, the external control rollers of the forming machine play a role in stabilizing the steel pipe.

[0003] However, the following problems still exist in the actual use process:

[0004] (1) For the existing forming device, the spiral welded pipe former has a large limitation in adapting to the size of spiral welded pipes, poor production flexibility, a large device volume, inconvenient for personnel to detect, and affects the working efficiency.

[0005] (2) When the existing forming device is in use, the steel plate needs to be pressed and bent to form a spiral shape. However, the device cannot be adjusted during the pressing process, resulting in low practicability. Content of the Utility Model

[0006] Aiming at the deficiencies of the prior art, the utility model provides a forming device for a spiral welded pipe machine, which has the function of being able to adjust according to spiral welded pipes required with different diameters so as to improve the working efficiency, and has the advantage of being able to adjust the pressing device during the forming of the steel plate to improve the practicability, and solves the problems put forward in the background technique.

[0007] The utility model provides the following technical scheme: a forming device for a spiral welded pipe machine, comprising: a bracket, on the surface of the bracket is provided a curling mechanism, the curling mechanism includes: a bidirectional lead screw, an adjusting plate is threadedly connected to the outer edge of the bidirectional lead screw, a first support block is rotatably installed on the inner wall of the adjusting plate, a worm gear is fixedly installed on the inner wall of the first support block, a second motor is fixedly installed on the top of the first support block, and a forming wheel is fixedly installed at the output end of the second motor.

[0008] Preferably, the pressing mechanism, the pressing mechanism includes a base, a support rod is fixedly installed on the top of the base, a top plate is fixedly installed on the top of the support rod, a pneumatic rod is fixedly installed on the top of the top plate, a connecting shell is fixedly installed at the bottom of the pneumatic rod, a sliding shell is slidably installed on the side of the inner wall of the connecting shell, a threaded rod is threadedly connected to the inner wall of the sliding shell, a first gear is fixedly installed on the outer edge of the threaded rod, a fourth motor is fixedly installed on the side of the inner wall of the connecting shell, a second gear is fixedly installed at the output end of the fourth motor, a connecting block is fixedly installed on the side of the sliding shell, and a pressing roller is fixedly installed at the bottom of the connecting block.

[0009] Preferably, the outer edge of the bidirectional lead screw is rotatably connected to the inner wall of the bracket, a first motor is fixedly installed on the side of the bracket, and the output end of the first motor is fixedly connected to one end of the bidirectional lead screw.

[0010] Preferably, guide rods are fixedly installed on both sides of the inner wall of the bracket, and the outer edge of the guide rod is slidably connected to the inner wall of the adjusting plate.

[0011] Preferably, a second support block is fixedly installed on the side of the adjusting plate, a third motor is fixedly installed on the side of the second support block, a worm is fixedly installed at the output end of the third motor, and the outer edge of the worm is movably connected to the outer edge of the worm gear.

[0012] Preferably, the top of the base is fixedly connected to the bottom of the bracket, one end of the threaded rod is rotatably connected to the side of the inner wall of the connecting shell, the outer edge of the first gear is meshed with the outer edge of the second gear, a third support block is fixedly installed on the side of the connecting shell, a sliding rod is fixedly installed on the top of the base, the top of the sliding rod is fixedly connected to the bottom of the top plate, and the inner wall of the third support block is slidably connected to the outer edge of the sliding rod.

[0013] Compared with the prior art, the present utility model has the following beneficial effects:

[0014] 1. For this forming device of the spiral welded pipe machine, through the operation of the first motor, the bidirectional lead screw is driven to rotate, thereby driving the adjusting plate to displace along the outer edge of the guide rod. Through the operation of the second motor, the worm is driven to rotate, thereby driving the worm gear to rotate. By adjusting the angle of the first support block by the worm gear, the third motor is started to drive the forming wheel to rotate. By adjusting the angle of the first support block, the forming wheel presses on the steel plate, and the rotation of the forming wheel can drive the steel plate to move. The setting of this structure can effectively adjust the spiral welded pipe according to different diameters, thereby improving the working efficiency, and thus solving the problems existing in the existing forming device, such as the large limitation of the spiral welded pipe forming device to adapt to the size of the spiral welded pipe, poor production flexibility, large device volume, inconvenient detection by personnel, and affecting the working efficiency.

[0015] 2. The former of the spiral welded pipe machine drives the connecting shell to descend through the operation of the air rod, causing the third support block to slide along the outer edge of the sliding rod to maintain the stability of the connecting shell. The operation of the fourth motor drives the second gear to rotate, which drives the first gear to rotate. The first gear drives the threaded rod to rotate, which drives the sliding shell to slide inside the connecting shell. The sliding shell drives the connecting block to displace, which drives the pressing roller to displace. The setting of this structure can effectively adjust the pressing device when the steel plate is formed, improving the practicality, thus solving the problem that the existing former needs to press and bend the steel plate to form it spirally during use, and the device cannot be adjusted during pressing, resulting in low practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the curling mechanism of the present invention;

[0017] Figure 2 is a schematic structural diagram of the pressing mechanism of the present invention;

[0018] Figure 3 For the present invention Figure 2 is a schematic right-side sectional structure diagram.

[0019] In the figure: 1. Support; 2. Bi-directional lead screw; 3. First motor; 4. Adjusting plate; 5. First support block; 6. Second motor; 7. Forming wheel; 8. Worm gear; 9. Second support block; 10. Third motor; 11. Worm; 12. Guide rod; 13. Base; 14. Support rod; 15. Top plate; 16. Air rod; 17. Sliding rod; 18. Third support block; 19. Connecting shell; 20. Sliding shell; 21. Threaded rod; 22. First gear; 23. Fourth motor; 24. Second gear; 25. Connecting block; 26. Pressing roller. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-3, A forming device for a spiral welded pipe machine, comprising: a bracket 1, on the surface of the bracket 1 is provided a curling mechanism, the curling mechanism includes: a bidirectional lead screw 2, on the outer edge of the bidirectional lead screw 2 is threadedly connected an adjustment plate 4, inside the wall of the adjustment plate 4 is rotatably installed a first support block 5, inside the wall of the first support block 5 is fixedly installed a worm gear 8, on the top of the first support block 5 is fixedly installed a second motor 6, and on the output end of the second motor 6 is fixedly installed a forming wheel 7.

[0022] Among them, there is a pressing mechanism, the pressing mechanism includes a base 13, on the top of the base 13 is fixedly installed a support rod 14, on the top of the support rod 14 is fixedly installed a top plate 15, on the top of the top plate 15 is fixedly installed a pneumatic rod 16, on the bottom of the pneumatic rod 16 is fixedly installed a connection shell 19, on the side of the inner wall of the connection shell 19 is slidably installed a sliding shell 20, inside the wall of the sliding shell 20 is threadedly connected a threaded rod 21, on the outer edge of the threaded rod 21 is fixedly installed a first gear 22, on the side of the inner wall of the connection shell 19 is fixedly installed a fourth motor 23, on the output end of the fourth motor 23 is fixedly installed a second gear 24, on the side of the sliding shell 20 is fixedly installed a connection block 25, and on the bottom of the connection block 25 is fixedly installed a pressing roller 26.

[0023] Among them, the outer edge of the bidirectional lead screw 2 is rotatably connected to the inner wall of the bracket 1, on the side of the bracket 1 is fixedly installed a first motor 3, and the output end of the first motor 3 is fixedly connected to one end of the bidirectional lead screw 2.

[0024] Among them, on both sides of the inner wall of the bracket 1 are fixedly installed guide rods 12, and the outer edge of the guide rods 12 is slidably connected to the inner wall of the adjustment plate 4.

[0025] Among them, on the side of the adjustment plate 4 is fixedly installed a second support block 9, on the side of the second support block 9 is fixedly installed a third motor 10, on the output end of the third motor 10 is fixedly installed a worm 11, and the outer edge of the worm 11 is movably connected to the outer edge of the worm gear 8. By the operation of the first motor 3, the bidirectional lead screw 2 is driven to rotate, thereby driving the adjustment plate 4 to displace along the outer edge of the guide rod 12. By the operation of the second motor 10, the worm 11 is driven to rotate, thereby driving the worm gear 8 to rotate. By the worm gear 8, the first support block 5 is driven to adjust the angle, and the third motor 6 is started to drive the forming wheel 7 to rotate. By the angle adjustment of the first support block 5, the forming wheel 7 presses on the steel plate, and the rotation of the forming wheel 7 can drive the steel plate to move. The setting of this structure can effectively adjust the spiral welded pipe according to the required diameter, thereby improving the working efficiency, and thus solving the problems existing in the existing forming device, such as the large limitation of the spiral welded pipe forming device to adapt to the size of the spiral welded pipe, poor production flexibility, large device volume, inconvenient detection by personnel, and affecting the working efficiency.

[0026] Among them, the top of the base 13 is fixedly connected to the bottom of the bracket 1. One end of the threaded rod 21 is rotatably connected to the side of the inner wall of the connecting shell 19. The outer edge of the first gear 22 meshes with the outer edge of the second gear 24. A third support block 18 is fixedly installed on the side of the connecting shell 19. A slide rod 17 is fixedly installed on the top of the base 13. The top of the slide rod 17 is fixedly connected to the bottom of the top plate 15. The inner wall of the third support block 18 is slidably connected to the outer edge of the slide rod 17. The operation of the air rod 16 drives the connecting shell 19 to descend, so that the third support block 18 slides along the outer edge of the slide rod 17 to maintain the stability of the connecting shell 19. The operation of the fourth motor 23 drives the second gear 24 to rotate, thereby driving the first gear 22 to rotate. The first gear 22 drives the threaded rod 21 to rotate, thereby driving the sliding shell 20 to slide inside the connecting shell 19. The sliding shell 20 drives the connecting block 25 to displace, thereby driving the pressing roller 26 to displace. The setting of this structure can effectively adjust the pressing device when the steel plate is formed, improving the practicality, thus solving the problem that the existing composer needs to press and bend the steel plate to form a spiral shape of the steel plate during use, and the device cannot be adjusted during pressing, resulting in low practicality.

[0027] Working principle: When in use, first, the operation of the first motor 3 drives the bidirectional lead screw 2 to rotate, thereby driving the adjustment plate 4 to displace along the outer edge of the guide rod 12. The operation of the second motor 10 drives the worm 11 to rotate, thereby driving the worm wheel 8 to rotate. The worm wheel 8 drives the first support block 5 to adjust the angle, and the third motor 6 is started to drive the forming wheel 7 to rotate. The angle adjustment of the first support block 5 enables the forming wheel 7 to press on the steel plate. The rotation of the forming wheel 7 can drive the steel plate to move. The operation of the air rod 16 drives the connecting shell 19 to descend, so that the third support block 18 slides along the outer edge of the slide rod 17 to maintain the stability of the connecting shell 19. The operation of the fourth motor 23 drives the second gear 24 to rotate, thereby driving the first gear 22 to rotate. The first gear 22 drives the threaded rod 21 to rotate, thereby driving the sliding shell 20 to slide inside the connecting shell 19. The sliding shell 20 drives the connecting block 25 to displace, thereby driving the pressing roller 26 to displace. The steel plate can be pressed and bent by the pressing roller 26.

[0028] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0029] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A forming device for a spiral welded pipe machine, characterized in that, Including: A bracket (1), on the surface of the bracket (1) is provided a curling mechanism, and the curling mechanism includes: a bidirectional lead screw (2), on the outer edge of the bidirectional lead screw (2) is threadedly connected an adjustment plate (4), on the inner wall of the adjustment plate (4) is rotatably installed a first support block (5), fixedly installed inside the first support block (5) is a worm gear (8), fixedly installed on the top of the first support block (5) is a second motor (6), and fixedly installed at the output end of the second motor (6) is a forming wheel (7).

2. The forming device of a spiral welded pipe machine according to claim 1, characterized in that: A pressing mechanism, the pressing mechanism includes a base (13), fixedly installed on the top of the base (13) is a support rod (14), fixedly installed on the top of the support rod (14) is a top plate (15), fixedly installed on the top of the top plate (15) is a pneumatic rod (16), fixedly installed at the bottom of the pneumatic rod (16) is a connecting shell (19), on the side of the inner wall of the connecting shell (19) is slidably installed a sliding shell (20), on the inner wall of the sliding shell (20) is threadedly connected a threaded rod (21), fixedly installed on the outer edge of the threaded rod (21) is a first gear (22), fixedly installed on the side of the inner wall of the connecting shell (19) is a fourth motor (23), fixedly installed at the output end of the fourth motor (23) is a second gear (24), fixedly installed on the side of the sliding shell (20) is a connecting block (25), and fixedly installed at the bottom of the connecting block (25) is a pressing roller (26).

3. The forming device of a spiral welded pipe machine according to claim 1, characterized in that: The outer edge of the bidirectional lead screw (2) is rotatably connected to the inner wall of the bracket (1), fixedly installed on the side of the bracket (1) is a first motor (3), and fixedly connected at the output end of the first motor (3) to one end of the bidirectional lead screw (2).

4. The forming device of a spiral welded pipe machine according to claim 1, characterized in that: Fixedly installed on both sides of the inner wall of the bracket (1) are guide rods (12), and the outer edge of the guide rods (12) is slidably connected to the inner wall of the adjustment plate (4).

5. The forming device of a spiral welded pipe machine according to claim 1, characterized in that: Fixedly installed on the side of the adjustment plate (4) is a second support block (9), fixedly installed on the side of the second support block (9) is a third motor (10), fixedly installed at the output end of the third motor (10) is a worm (11), and the outer edge of the worm (11) is movably connected to the outer edge of the worm gear (8).

6. The forming device of a spiral welded pipe machine according to claim 2, characterized in that: The top of the base (13) is fixedly connected to the bottom of the bracket (1), one end of the threaded rod (21) is rotatably connected to the side of the inner wall of the connecting shell (19), the outer edge of the first gear (22) is meshed with the outer edge of the second gear (24), fixedly installed on the side of the connecting shell (19) is a third support block (18), fixedly installed on the top of the base (13) is a sliding rod (17), the top of the sliding rod (17) is fixedly connected to the bottom of the top plate (15), and the inner wall of the third support block (18) is slidably connected to the outer edge of the sliding rod (17).

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