Flexible roll bending forming pipe welding unit
The flexible roll forming welded pipe unit achieves automatic pipe docking and clamping positioning through a motor-driven gear and screw system, which solves the problem of poor flexibility of traditional equipment and improves the adaptability and welding accuracy of multi-variety and small-batch production.
Patent Information
- Application Number
- CN202423211333.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Traditional roll forming welded pipe machines have poor flexibility, making it difficult to meet the needs of multi-variety, small-batch production, and the equipment cost is high or the operation is complicated.
The flexible roll forming welded pipe unit uses a motor-driven gear and screw system to achieve automatic pipe docking and clamping positioning. It is suitable for pipes of different diameters. Combined with a transmission belt to transmit power, it ensures the stability and accuracy of the pipes.
It improves the flexibility and precision of pipe welding, simplifies the operation process, reduces the need for manual adjustments, and adapts to multi-variety, small-batch production.
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Figure CN223670569U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of mechanical processing, in particular to a flexible roll forming and welding pipe unit. BACKGROUND
[0002] Traditional roll forming and welding pipe machines can usually only adapt to pipe materials of specific sizes and materials, and have poor flexibility, making it difficult to meet the production needs of multiple varieties and small batches.
[0003] Traditional fixed roll forming and welding pipe machines: such equipment realizes the forming and welding of pipe materials through fixed rollers and molds, and is suitable for mass production of single specifications. The advantages are simple structure and low cost, but the flexibility is poor, and a large number of mechanical parts need to be adjusted when changing specifications, which is time-consuming and laborious.
[0004] Numerical control roll forming and welding pipe machine: such equipment can adapt to the production of pipe materials of multiple specifications through numerical control system to control the position and movement of each roller. The advantages are high flexibility and good precision, but the equipment cost is high, the operation is complex, and professional operators and technical support are needed.
[0005] Semi-automatic roll forming and welding pipe machine: between fixed and numerical control, it can improve the production flexibility to a certain extent by manually adjusting some key parameters. The advantage is relatively low cost, but the production efficiency and precision are not as good as numerical control equipment, and the operation depends on manual experience. CONTENT OF THE UTILITY MODEL
[0006] In view of the deficiencies of the prior art, the utility model provides a flexible roll forming and welding pipe unit, which overcomes the deficiencies of the prior art and aims to solve the problems in the background art.
[0007] In order to achieve the above purpose, the following technical scheme is adopted: a flexible roll forming and welding pipe unit, comprising a positioning box, a welding assembly is fixedly installed on the top of the positioning box, a clamping assembly is installed on the top of the positioning box, the clamping assembly comprises a positioning block, clamping plates are rotatably connected to the inner walls on both sides of the positioning block, grooves are formed in the inner walls of the two clamping plates, adjusting rods are slidably connected to the inner walls of the two grooves, the two adjusting rods are rotatably connected to the two sides of a connecting block, a threaded rod is threadedly connected to the inner wall of the positioning block, a driving wheel is fixedly connected to the bottom of the threaded rod, an external gear ring is fixedly installed on the outer edge of the driving wheel, a gear is meshed with the external gear ring, and the top of the gear is fixedly connected with the power output shaft of a motor.
[0008] As a preferred implementation form, the top of the positioning box is fixedly provided with a positioning frame, the outer side of the positioning frame is fixedly provided with a motor, the power output shaft of the motor is fixedly connected with a lead screw, the outer edge of the lead screw is threadedly connected with a sliding block, the top of the sliding block is fixedly connected with a moving strip, and the top of the moving strip is fixedly connected with a supporting plate.
[0009] By adopting the above technical scheme, the driving motor drives the lead screw to rotate, thereby driving the sliding block to slide on the inner wall of the positioning frame, thereby driving the moving strip and the supporting plate to move, and thereby driving the pipeline to move after the supporting plate lifts the pipeline, facilitating the butt joint between the two pipelines, thereby eliminating the need for manual movement.
[0010] As a preferred implementation form, the inner wall of the positioning frame is fixedly provided with a circular ring, and the end of the lead screw away from the motor is rotatably connected to the inner wall of the circular ring.
[0011] By adopting the above technical scheme, the lead screw can be limited in rotation, ensuring the stability of the lead screw during rotation, thereby preventing the lead screw from easily deviating and swinging in position during rotation, and thereby enabling the sliding block to stably slide on the inner wall of the positioning frame.
[0012] As a preferred implementation form, the side of each of the two clamping plates close to each other is fixedly provided with a touch rod, the top of the connecting block is also fixedly provided with a touch rod, and the inner wall of each of the three touch rods is threadedly connected with a bolt.
[0013] By adopting the above technical scheme, the end of each of the three bolts away from the nut can be brought into contact with the welded pipeline, thereby playing a positioning role on the pipeline from three different directions, ensuring the stability of the pipeline.
[0014] As a preferred implementation form, the end of the threaded rod away from the driving wheel is rotatably connected to the inner wall of the connecting block.
[0015] By adopting the above technical scheme, the threaded rod can drive the positioning block to move up and down during rotation, thereby driving the two clamping plates to open or close, thereby facilitating the positioning of pipelines of different diameters, and enabling the threaded rod to stably rotate in a vertical state during rotation, thereby preventing the threaded rod from interfering with the connecting block during rotation.
[0016] As a preferred implementation form, the top of the motor is fixedly connected with the inner top of the positioning box.
[0017] By adopting the above technical scheme, the motor can be positioned, ensuring the stability of the motor during rotation of the gear driven by the motor.
[0018] As a preferred implementation form, the number of the clamping assemblies is two, and the two clamping assemblies are symmetrically arranged at the top of the positioning box, the inner wall of the positioning box is symmetrically and fixedly provided with two bearings, both of the two threaded rods are fixedly installed on the inner wall of the two bearings, the bottom of each of the two threaded rods is fixedly provided with a driving wheel, and the inner wall of both of the two driving wheels is commonly sleeved with a transmission belt.
[0019] By adopting the above technical scheme, the driving wheel can transmit the rotating force to the other driving wheel and threaded rod through the transmission belt when rotating, so that the two clamping assemblies can be synchronously operated to clamp and position the two pipes to be welded, and the stability is ensured.
[0020] As a preferred implementation form, the supporting plate is arranged at the middle position of the two clamping assemblies.
[0021] By adopting the above technical scheme, one of the pipes can be moved in the inner wall of the clamping assembly until the two pipes contact, and then the clamping assembly can be used for positioning, so that the distance between the two pipes can be accurately controlled, and the welding precision is improved.
[0022] The beneficial effects of the present application are as follows:
[0023] 1. The flexible roll forming and welding pipe unit drives the gear to rotate through the driving motor, and then drives the driving wheel and the threaded rod to rotate through the outer gear ring, simultaneously transmits the rotating force to the other driving wheel and threaded rod through the transmission belt, and the two threaded rods synchronously rotate to drive the positioning block to move, thereby driving the two clamping plates to tighten and clamp the pipe, ensuring that the pipe does not easily shake, and being suitable for positioning pipes of different diameters, convenient to operate, and not needing manual operation adjustment.
[0024] 2. The flexible roll forming and welding pipe unit drives the screw rod to rotate through the driving motor, and then drives the sliding block to slide in the inner wall of the positioning frame, thereby driving the moving strip and the supporting plate to move, and then driving the pipe to move after the pipe is lifted by the supporting plate, facilitating the butt joint between the two pipes, thereby facilitating the control of the distance between the two pipes, improving the welding precision, controlling the position of the welding ring, and being high in intelligence without manual movement adjustment. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0026] Figure 2 It is a schematic diagram of the cross-sectional structure of the positioning box of the present application;
[0027] Figure 3 It is a schematic diagram of the transmission belt structure of the present application;
[0028] Figure 4Structure diagram of the clamping assembly of the present application;
[0029] Figure 5 Structure diagram of the positioning frame of the present application.
[0030] In the figure, 1 is a positioning box, 2 is a positioning frame, 3 is a motor, 4 is a lead screw, 5 is a sliding block, 6 is a moving bar, 7 is a supporting plate, 8 is a clamping assembly, 801 is a positioning block, 802 is a clamping plate, 803 is a connecting block, 804 is a notch, 805 is an adjusting rod, 806 is a touch rod, 807 is a bolt, 808 is a threaded rod, 9 is a driving wheel, 10 is an external gear ring, 11 is a gear, 12 is a motor, 13 is a transmission belt, and 14 is a welding assembly. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.
[0032] Referring to Figures 1-5 A flexible roll forming and welding pipe unit, comprising a positioning box 1, a welding assembly 14 is fixedly installed on the top of the positioning box 1, a clamping assembly 8 is installed on the top of the positioning box 1, the clamping assembly 8 comprises a positioning block 801, clamping plates 802 are rotationally connected to the inner walls of the two sides of the positioning block 801, notches 804 are formed in the inner walls of the two clamping plates 802, adjusting rods 805 are slidingly connected to the inner walls of the two notches 804, the two adjusting rods 805 are rotationally connected to the two sides of a connecting block 803, a threaded rod 808 is threadedly connected to the inner wall of the positioning block 801, a driving wheel 9 is fixedly connected to the bottom of the threaded rod 808, an external gear ring 10 is fixedly installed on the outer edge of the driving wheel 9, a gear 11 is engaged with the external gear ring 10, and the top of the gear 11 is fixedly connected with the power output shaft of a motor 12.
[0033] Referring to Figure 1 and Figure 5 A positioning frame 2 is fixedly installed on the top of the positioning box 1, a motor 3 is fixedly installed on the outer side of the positioning frame 2, a lead screw 4 is fixedly connected with the power output shaft of the motor 3, a sliding block 5 is threadedly connected with the outer edge of the lead screw 4, a moving bar 6 is fixedly connected to the top of the sliding block 5, and a supporting plate 7 is fixedly connected to the top of the moving bar 6, so that the driving motor 3 drives the lead screw 4 to rotate, thereby driving the sliding block 5 to slide on the inner wall of the positioning frame 2, thereby driving the moving bar 6 and the supporting plate 7 to move, and thereby driving the pipes to move after the pipes are lifted by the supporting plate 7, facilitating the butt joint between the two pipes, thereby eliminating the need for manual movement.
[0034] Referring to Figure 5The inner wall of the positioning frame 2 is fixedly provided with a circular ring, one end of the lead screw 4 away from the motor 3 is rotationally connected to the inner wall of the circular ring, and the sliding block 5 is slidably connected to the inner wall of the positioning frame 2, so that the lead screw 4 in rotation can be limited, the stability of the lead screw 4 in rotation is ensured, and the lead screw 4 in rotation cannot easily deviate in position and swing, and the sliding block 5 can be stably slid on the inner wall of the positioning frame 2.
[0035] Referring to Figure 4 The two clamping plates 802 are fixedly provided with a touch rod 806 on one side close to each other, the top of the connecting block 803 is also fixedly provided with a touch rod 806, and the inner wall of the three touch rods 806 is threadedly connected with a bolt 807, so that the end of the three bolts 807 away from the nut can be in contact with the welded pipeline, and the pipeline can be positioned from three different directions, thereby ensuring the stability of the pipeline.
[0036] Referring to Figure 4 One end of the threaded rod 808 away from the driving wheel 9 is rotationally connected to the inner wall of the connecting block 803, so that the threaded rod 808 can drive the positioning block 801 to move up and down when rotating, thereby driving the two clamping plates 802 to open or close, so as to be suitable for positioning pipelines of different diameters, and can be stably rotated in a vertical state when rotating, thereby ensuring that they do not interfere with each other between the connecting blocks 803 when rotating.
[0037] Referring to Figure 4 The top of the motor 12 is fixedly connected with the inner top of the positioning box 1, so that the motor 12 can be positioned, and the stability of the motor 12 when driving the gear 11 to rotate is ensured.
[0038] Referring to Figure 3 and Figure 4 The number of clamping assemblies 8 is two, and the two clamping assemblies 8 are symmetrically arranged on the top of the positioning box 1. The inner wall of the positioning box 1 is symmetrically fixedly provided with two bearings, the two threaded rods 808 are fixedly installed on the inner wall of the two bearings, the bottoms of the two threaded rods 808 are fixedly provided with driving wheels 9, and the inner walls of the two driving wheels 9 are commonly sleeved with a transmission belt 13, so that the driving wheels 9 can transmit the rotating force to the other driving wheel 9 and the threaded rod 808 through the transmission belt 13 when rotating, thereby realizing synchronous operation of the two clamping assemblies 8 to clamp and position the two pipelines to be welded, and ensuring stability.
[0039] Referring to Figure 1 and Figure 2 The supporting plate 7 is arranged at the middle position of the two clamping assemblies 8, so that one of the pipelines can be moved in the inner wall of the clamping assembly 8 until the two pipelines are in contact, and then the clamping assembly 8 can be used to position them, thereby accurately controlling the distance between the two pipelines, and improving the welding precision.
[0040] Working principle: when using the device, first, the device can be placed in the use place, then two pipes to be welded can be placed in the middle position of the two clamping assemblies 8, one of which is placed on the inner wall of the supporting plate 7, the driving motor 3 drives the screw rod 4 to rotate, thereby driving the sliding block 5 to slide on the inner wall of the positioning frame 2, thereby driving the moving strip 6 and the supporting plate 7 to move, thereby driving the pipe to move after the pipe is lifted by the supporting plate 7, facilitating the butt joint between the two pipes, facilitating the control of the spacing, improving the precision, and without manual movement, then the motor 12 can be driven to drive the gear 11 to rotate, thereby driving the driving wheel 9 and the threaded rod 808 to rotate by the outer gear ring 10, at the same time, the transmission belt 13 can be used to transmit the rotating force to the other driving wheel 9 and the threaded rod 808, the two threaded rods 808 rotate synchronously to drive the positioning block 801 to move, thereby driving the two clamping plates 802 to tighten and clamp the pipe, so that the pipe cannot easily shake, at the same time, the three bolts 807 can be rotated to contact the pipe to be welded from the end away from the nut, thereby playing a positioning role on the pipe from three different directions, further ensuring the stability of the pipe, then the welding assembly 14 can be used for welding treatment.
[0041] In the description of the present application, it should be pointed out that the positions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" are based on the positions or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the indicated device or element to have a specific position, to be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0042] In the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, and can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.
[0043] The present application has been described above in combination with specific embodiments, but those skilled in the art should understand that these descriptions are exemplary and are not limiting the protection scope of the present application. Those skilled in the art can make various modifications and changes to the present application according to the spirit and principles of the present application, and these modifications and changes are also within the scope of the present application.
Claims
1. A flexible roll forming pipe mill train comprising a positioning box (1), characterized in that, The top of the positioning box (1) is fixedly provided with a welding assembly (14), and the top of the positioning box (1) is provided with a clamping assembly (8), the clamping assembly (8) comprises a positioning block (801), the inner walls of the two sides of the positioning block (801) are both rotationally connected with clamping plates (802), the inner walls of the two clamping plates (802) are both provided with notches (804), the inner walls of the two notches (804) are both slidably connected with adjusting rods (805), the two adjusting rods (805) are rotationally connected with the two sides of a connecting block (803), the inner wall of the positioning block (801) is threadedly connected with a threaded rod (808), the bottom of the threaded rod (808) is fixedly connected with a driving wheel (9), the outer edge of the driving wheel (9) is fixedly provided with an external gear ring (10), the external gear ring (10) is meshed with a gear (11), and the top of the gear (11) is fixedly connected with the power output shaft of a motor (12).
2. A flexible roll forming and tube welding mill train as claimed in claim 1, wherein, The top of the positioning box (1) is fixedly provided with a positioning frame (2), the outer side of the positioning frame (2) is fixedly provided with a motor (3), the power output shaft of the motor (3) is fixedly connected with a lead screw (4), the outer edge of the lead screw (4) is threadedly connected with a sliding block (5), the top of the sliding block (5) is fixedly connected with a moving strip (6), and the top of the moving strip (6) is fixedly connected with a supporting plate (7).
3. A flexible roll forming and tube welding mill train as claimed in claim 2, wherein, The inner wall of the positioning frame (2) is fixedly provided with a circular ring, one end of the lead screw (4) away from the motor (3) is rotationally connected to the inner wall of the circular ring, and the sliding block (5) is slidably connected to the inner wall of the positioning frame (2).
4. A flexible roll forming and tube welding mill train as claimed in claim 1 wherein, The side of the two clamping plates (802) close to each other is fixedly provided with a contact rod (806), the top of the connecting block (803) is also fixedly provided with a contact rod (806), and the inner walls of the three contact rods (806) are all threadedly connected with bolts (807).
5. A flexible roll forming and tube welding mill train as claimed in claim 1 wherein, One end of the threaded rod (808) away from the driving wheel (9) is rotationally connected to the inner wall of the connecting block (803).
6. A flexible roll forming and tube welding mill train as claimed in claim 1 wherein, The top of the motor (12) is fixedly connected with the inner top of the positioning box (1).
7. A flexible roll forming and tube welding mill train as claimed in claim 1 wherein, The number of the clamping assemblies (8) is two, and the two clamping assemblies (8) are symmetrically arranged on the top of the positioning box (1), the inner wall of the positioning box (1) is symmetrically fixedly provided with two bearings, the two threaded rods (808) are both fixedly arranged on the inner wall of the two bearings, the bottoms of the two threaded rods (808) are both fixedly provided with driving wheels (9), and the inner walls of the two driving wheels (9) are commonly sleeved with a transmission belt (13).
8. A flexible roll forming and tube welding mill train as claimed in claim 2, wherein, The supporting plate (7) is arranged at the middle position of the two clamping assemblies (8).