Coiled pipe bending machine and clamping mechanism thereof

Abstract

The invention relates to the field of pipe machining, and discloses a coiled pipe bending machine and a clamping mechanism thereof.The coiled pipe bending machine comprises a rack a, a conveying mechanism a is arranged at the center of the top end of the rack a, a bending mechanism is rotationally connected to the top end of the left side of the rack a, and a clamping mechanism is arranged at the end, close to the bending mechanism, of the top end of the rack a; the side wall of the outer side of the partition plate is fixedly connected with a triangular block a, and the side wall of the outer side of the feeding plate is fixedly connected with a protruding rod. According to the automatic feeding mechanism, the feeding base is controlled to move through the electric sliding rail, the linkage design of the storage plate, the feeding plate and the partition plate is combined, feeding, conveying and positioning of pipes can be automatically completed, after the pipes are placed on the inclined storage plate, the pipes can automatically slide to the feeding plate without manual intervention, and then in the moving process of the feeding base, the pipes can automatically slide to the feeding plate without manual intervention; through transmission of the triangular block, the feeding plate accurately pushes the pipes into the feeding base, the whole process is efficient and smooth, manual operation is greatly reduced, and the feeding efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the field of pipe processing, and particularly to a serpentine pipe bender and its clamping mechanism. Background Art

[0002] In the field of pipe processing, as a special-shaped pipe, serpentine pipes are widely used in industries such as heating, ventilation, and air conditioning, automobile manufacturing, and mechanical equipment.

[0003] As the core equipment for producing serpentine pipes, the performance of the serpentine pipe bender directly affects the processing quality and production efficiency of the pipes.

[0004] With the development of industrial manufacturing towards automation and intelligence, traditional benders face many challenges: the feeding process of traditional benders mostly relies on manual operation, with low manual feeding efficiency, high labor intensity, and operation errors, making it difficult to ensure the accuracy and stability of pipe transportation, resulting in deviation of the bent pipe size. Therefore, a serpentine pipe bender and its clamping mechanism are proposed to solve the above problems. Summary of the Invention

[0005] To make up for the above deficiencies, the present invention provides a serpentine pipe bender and its clamping mechanism, aiming to improve the problems of low manual feeding efficiency, high labor intensity, operation errors, and difficulty in ensuring the accuracy and stability of pipe transportation in the prior art.

[0006] To achieve the above objective, the present invention adopts the following technical solution: a serpentine pipe bender and its clamping mechanism, including a frame a, a conveying mechanism a is arranged at the center of the top end of the frame a, a bending mechanism is rotatably connected to the left top end of the frame a, a clamping mechanism is arranged at one end of the top end of the frame a close to the bending mechanism, a conveying mechanism b is fixedly connected to one side of the top end of the frame a close to the conveying mechanism a, and an automatic feeding mechanism is arranged on the right side of the frame a;

[0007] The automatic feeding mechanism includes a frame b, an electric slide rail is arranged at the top end of the frame b, a feeding seat is slidably connected to the inner wall of the electric slide rail of the frame b, a triangular block b is fixedly connected to the rear end of the feeding seat, a storage plate is fixedly connected to the right side of the top end of the frame b, a feeding plate is elastically connected to the inner side wall of the storage plate through a return spring, a partition plate is elastically connected to the bottom end of the inner wall of the storage plate through a limit spring, a triangular block a is fixedly connected to the outer side wall of the partition plate, and a convex rod is fixedly connected to the outer side wall of the feeding plate.

[0008] As a further description of the above technical solution:

[0009] Triangular grooves are formed on the surface of the partition plate, and a one-way plate is elastically connected to the inner wall of the bottom end of the triangular groove of the partition plate through a scroll spring.

[0010] As a further description of the above technical solution:

[0011] A lower clamping plate is slidably connected to the inner side wall of the feed seat. A connecting block is fixedly connected to the outer side wall of the lower clamping plate, and a guide block is fixedly connected to the outer wall of the bottom end of the connecting block.

[0012] As a further description of the above technical solution:

[0013] The frame b is fixedly connected to the outer wall on the right side of the frame a.

[0014] As a further description of the above technical solution:

[0015] One end of the return spring is fixedly connected to the bottom end of the inner wall of the storage plate, the other end of the return spring is fixedly connected to the outer wall of the rear end of the feeding plate, and the feeding plate is slidably connected to the bottom end of the inner wall of the storage plate.

[0016] As a further description of the above technical solution:

[0017] One end of the limiting spring is fixedly connected to the bottom end of the outer wall of the partition plate, the other end of the limiting spring is fixedly connected to the bottom end of the inner wall of the storage plate, and the partition plate is slidably connected to the bottom end of the inner wall of the storage plate.

[0018] As a further description of the above technical solution:

[0019] The triangular block a penetrates and is slidably connected to the inner side wall of the storage plate. The triangular block a is in contact with the inclined surface of the triangular block b, and the convex rod is slidably connected to the inner wall of the triangular groove of the partition plate.

[0020] As a further description of the above technical solution:

[0021] The one-way plate is rotatably connected to the inner wall of the bottom end of the partition plate.

[0022] As a further description of the above technical solution:

[0023] One end of the scroll spring is fixedly connected to the rotation center of the one-way plate, and the other end of the scroll spring is fixedly connected to the bottom end of the triangular groove of the partition plate.

[0024] As a further description of the above technical solution:

[0025] A guide groove is formed in the outer side wall of the frame b, and the guide block is slidably connected to the inner wall of the guide groove on the side wall of the frame b.

[0026] The present invention has the following beneficial effects:

[0027] 1. In the present invention, the automatic feeding mechanism controls the movement of the feeding seat through an electric slide rail. Combining the linkage design of the storage plate, the feeding plate, and the partition plate, it can automatically complete the feeding, conveying, and positioning of the pipes. After the pipes are placed on the inclined storage plate, they can automatically slide onto the feeding plate without manual intervention. Subsequently, during the movement of the feeding seat, through the transmission of the triangular block, the feeding plate accurately pushes the pipes into the feeding seat. The entire process is efficient and smooth, greatly reducing manual operations, improving the feeding efficiency, reducing the labor intensity, and ensuring the continuous and stable operation of the pipe bender.

[0028] 2. In the present invention, the linkage structure between the lower clamping plate and the feeding seat can automatically adjust the clamping force according to the pipe conveying state. When the feeding seat moves, the guide block drives the lower clamping plate to move up and down synchronously. The rubber anti-slip layer on the surface of the lower clamping plate not only increases the friction force but also avoids damaging the surface of the pipes. For pipes with different diameters and wall thicknesses, this mechanism can achieve stable clamping and accurate conveying by adjusting the lifting position and clamping force of the lower clamping plate.

[0029] 3. In the present invention, the design of the partition plate and the one-way plate ensures the accuracy of single feeding, prevents multiple pipes from being conveyed simultaneously, and ensures that each pipe can be precisely processed in the pipe bender, effectively improving the processing accuracy and product quality. Brief Description of the Drawings

[0030] Figure 1 It is a schematic perspective view of the overall structure of a snake-shaped pipe bender and its clamping mechanism proposed by the present invention;

[0031] Figure 2 It is a schematic side view of the overall structure of a snake-shaped pipe bender and its clamping mechanism proposed by the present invention;

[0032] Figure 3 It is a schematic perspective view of the automatic feeding mechanism of a snake-shaped pipe bender and its clamping mechanism proposed by the present invention;

[0033] Figure 4 It is a schematic top view of the storage plate of a snake-shaped pipe bender and its clamping mechanism proposed by the present invention;

[0034] Figure 5 It is a schematic partial cross-sectional view of the storage plate of a snake-shaped pipe bender and its clamping mechanism proposed by the present invention;

[0035] Figure 6 It is a schematic partial cross-sectional view of the partition plate of a snake-shaped pipe bender and its clamping mechanism proposed by the present invention;

[0036] Figure 7 It is a snake-shaped pipe bender and its clamping mechanism proposed by the present invention Figure 6 Schematic enlarged view of part A.

[0037] Legend Explanation:

[0038] 1. Frame a; 2. Clamping mechanism; 3. Bending mechanism; 4. Conveying mechanism a; 5. Conveying mechanism b; 6. Automatic feeding mechanism; 601. Frame b; 602. Feeding base; 603. Lower clamping plate; 604. Connecting block; 605. Guide block; 606. Storage plate; 607. Return spring; 608. Feeding plate; 609. Triangular block a; 610. Partition plate; 611. One-way plate; 612. Limit spring; 613. Convex rod; 614. Triangular block b; 615. Volute spring. Specific Embodiment

[0039] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with 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 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.

[0040] Refer to Figures 1 - 3 , an embodiment provided by the present invention: a snake-shaped pipe bending machine and its clamping mechanism, including frame a 1. A conveying mechanism a 4 is provided at the center of the top of frame a 1. The conveying mechanism a 4 is a prior art and can convey steel pipes, etc. And both the upper and lower groups of conveying wheels of the conveying mechanism a 4 are equipped with motors, so as to convey the steel pipes. The left top end of frame a 1 is rotatably connected to a bending mechanism 3. The bottom end of the bending mechanism 3 is also provided with a driving motor. By the rotation of the bending mechanism 3, the steel pipe can be bent. A clamping mechanism 2 is provided at one end of the top of frame a 1 close to the bending mechanism 3. The clamping mechanism 2 is composed of two electric telescopic rods and a clamping seat, which can clamp one end of the steel pipe when the steel pipe is bent by the bending mechanism 3. A conveying mechanism b 5 is fixedly connected to one side of the top of frame a 1 close to the conveying mechanism a 4. The function of the conveying mechanism b 5 is to guide the moving position of the steel pipe, and the conveying mechanism b 5 is internally provided with the same conveying wheels as the conveying mechanism a 4. An automatic feeding mechanism 6 is provided on the right side of frame a 1.

[0041] Refer to Figures 2 - 4, the automatic feeding mechanism 6 includes a frame b601, and the frame b601 is fixedly connected to the right outer wall of the frame a1. An electric slide rail is provided at the top of the frame b601, and a feeding seat 602 is slidably connected to the inner wall of the electric slide rail of the frame b601. By providing an electric slide rail inside the frame b601, the feeding seat 602 can be controlled to move inside it, so that the steel pipe clamped by the lower clamping plate 603 inside the feeding seat 602 can move synchronously, and then be conveyed into the inside of the conveying mechanism b5 to be conveyed by the upper and lower two groups of conveying mechanisms a4. A triangular block b614 is fixedly connected to the rear end of the feeding seat 602, and a storage plate 606 is fixedly connected to the right side of the top of the frame b601. The storage plate 606 is fixedly arranged obliquely at the rear end of the frame b601, and a guide groove is provided on its side wall, so that the steel pipe can be placed on its surface and conveyed by the movement of the feeding plate 608. The inner side wall of the storage plate 606 is elastically connected to a feeding plate 608 through a return spring 607. One end of the return spring 607 is fixedly connected to the bottom end of the inner wall of the storage plate 606, and the other end of the return spring 607 is fixedly connected to the outer wall of the rear end of the feeding plate 608. The function of the return spring 607 is to automatically reset the position of the feeding plate 608 after it moves.

[0042] Refer to Figures 4 - 6, the feeding plate 608 is slidably connected to the bottom end of the inner wall of the storage plate 606. The surface of the feeding plate 608 is provided with a rubber anti-slip layer, and the surface of the feeding plate 608 is flush with the surface of the storage plate 606. The bottom end of the inner wall of the storage plate 606 is elastically connected with a partition plate 610 through a limiting spring 612. One end of the limiting spring 612 is fixedly connected to the bottom end of the outer wall of the partition plate 610, and the other end of the limiting spring 612 is fixedly connected to the bottom end of the inner wall of the storage plate 606. The function of the limiting spring 612 is to automatically reset the position of the partition plate 610 after it descends following the triangular block a609, and at the same time apply elastic support to the initial position of the partition plate 610. And the steel pipes inside the storage plate 606 can be partitioned by the partition plate 610. The partition plate 610 is slidably connected to the bottom end of the inner wall of the storage plate 606. A chute is provided at the bottom end of the storage plate 606, so that the whole partition plate 610 can only move up and down along the inner wall of the chute. A triangular block a609 is fixedly connected to the outer side wall of the partition plate 610. The triangular block a609 penetrates and is slidably connected to the inner side wall of the storage plate 606. The inclined surface of the triangular block a609 is in contact with the inclined surface of the triangular block b614. When the triangular block b614 moves following the feeding seat 602, its inclined surface will contact the inclined surface of the triangular block a609, thereby driving the partition plate 610 to descend synchronously. The convex rod 613 is slidably connected to the inner wall of the triangular groove of the partition plate 610. When the partition plate 610 descends, the convex rod 613 will move in its inclined groove, thereby pushing the feeding plate 608 to move synchronously, so as to convey the steel pipes in contact with the surface of the feeding plate 608 outwards. A convex rod 613 is fixedly connected to the outer side wall of the feeding plate 608.

[0043] Refer to Figures 5 - 7 , a triangular groove is provided on the surface of the partition plate 610. The inner wall of the bottom end of the triangular groove of the partition plate 610 is elastically connected with a one-way plate 611 through a scroll spring 615. The one-way plate 611 is rotatably connected to the inner wall of the bottom end of the partition plate 610. The one-way plate 611 can only rotate counterclockwise unidirectionally. Thus, when the partition plate 610 descends, the convex rod 613 will only move in the inclined groove of the triangular groove of the partition plate 610, preventing the convex rod 613 from moving in the right straight groove of the triangle. One end of the scroll spring 615 is fixedly connected to the rotation center of the one-way plate 611, and the other end of the scroll spring 615 is fixedly connected to the bottom end of the triangular groove of the partition plate 610. The function of the scroll spring 615 is to automatically reset the position of the one-way plate 611 after rotation.

[0044] Refer to Figure 1 and Figure 3, a lower clamping plate 603 is slidably connected to the inner side wall of the feed seat 602. A connecting block 604 is fixedly connected to the outer side wall of the lower clamping plate 603. A guide block 605 is fixedly connected to the outer wall of the bottom end of the connecting block 604. A guide groove is formed in the outer side wall of the frame b601. The guide block 605 is slidably connected to the inner wall of the guide groove on the side wall of the frame b601. The lower clamping plate 603 can only move up and down in the cavity of the feed seat 602. Through the movement of the feed seat 602, until the triangular block b614 contacts the triangular block a609, the guide block 605 will move to the left in the guide groove and move downward along the track of the guide groove, thereby driving the connecting block 604 and the lower clamping plate 603 to descend synchronously. Until the feeding plate 608 pushes the steel pipe from the inside of the storage plate 606 into the inside of the feed seat 602, the feed seat 602 moves in the reverse direction. At this time, the guide block 605 will move into the upper flat groove in the guide groove of the frame b601, thereby driving the connecting block 604 and the lower clamping plate 603 to rise synchronously, so as to press the steel pipe penetrating into the inside of the feed seat 602 through the lower clamping plate 603. Therefore, the steel pipe can be conveyed by the movement of the feed seat 602, and a rubber anti-slip layer is provided on the surface of the lower clamping plate 603.

[0045] Working principle: Place the steel pipe on the surface of the storage plate 606. Since the storage plate 606 is inclined, the steel pipe will automatically slide onto the feeding plate 608. At this time, the return spring 607 is in a natural state, the feeding plate 608 is flush with the surface of the storage plate 606, and the limiting spring 612 exerts elastic support on the partition plate 610. The partition plate 610 is in its initial position, separating the steel pipes inside the storage plate 606 to prevent too many steel pipes from sliding onto the feeding plate 608.

[0046] Then start the electric slide rail of the frame b601 and control the movement of the feed seat 602 in the electric slide rail. When the feed seat 602 moves, the triangular block b614 moves along. When the inclined surface of the triangular block b614 contacts the inclined surface of the triangular block a609, it pushes the triangular block a609, and then drives the partition plate 610 to descend synchronously. When the partition plate 610 descends, the convex rod 613 moves in the inclined groove of its triangular groove, pushing the feeding plate 608 to move synchronously. The feeding plate 608 moves to convey the steel pipe in contact with its surface outward until the steel pipe is pushed from the inside of the storage plate 606 into the inside of the feed seat 602.

[0047] Meanwhile, when the feed seat 602 moves until the triangular block b614 contacts the triangular block a609, the guide block 605 moves to the left within the guide groove and then moves downward along the guide groove track, driving the connecting block 604 and the lower clamping plate 603 to descend synchronously. After the feeding plate 608 pushes the steel pipe into the interior of the feed seat 602, the feed seat 602 moves in the reverse direction, and the guide block 605 moves into the upper flat groove within the guide groove of the frame b601, driving the connecting block 604 and the lower clamping plate 603 to rise synchronously. The lower clamping plate 603 rises to clamp the steel pipe that has penetrated into the interior of the feed seat 602. Then, through the movement of the feed seat 602, the steel pipe is conveyed to the conveying mechanism b5, and further conveyed by the conveying mechanism b5 and the conveying mechanism a4 to the bending mechanism 3 for bending.

[0048] Meanwhile, when the partition plate 610 descends, when the convex rod 613 moves into the straight groove at the top of its triangular groove, the feeding plate 608 will be elastically reset by the return spring 607, so that the feeding plate 608 is restored to its initial position. At this time, after the triangular block b614 cancels the contact with the triangular block a609, the partition plate 610 will be automatically reset by the elastic action of the limit spring 612, so that the partition plate 610 can be automatically reset. At this time, the convex rod 613 will move within the right straight groove of the triangular groove, thereby pushing the one-way plate 611 to rotate, so that the scroll spring 615 is elastically compressed. At this time, the convex rod 613 will return to the initial position of the triangular groove. At the same time, due to the one-way setting of the one-way plate 611, the convex rod 613 can only move in one direction and cannot move on the inner wall of the vertical groove of the triangular groove.

[0049] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A serpentine tube bending machine and its clamping mechanism, including a frame a (1), characterized in that: At the center of the top of the frame a (1), a conveying mechanism a (4) is provided. At the left top end of the frame a (1), a bending mechanism (3) is rotatably connected. At one end of the top of the frame a (1) near the bending mechanism (3), a clamping mechanism (2) is provided. On one side of the top of the frame a (1) near the conveying mechanism a (4), a conveying mechanism b (5) is fixedly connected. On the right side of the frame a (1), an automatic feeding mechanism (6) is provided. The automatic feeding mechanism (6) includes a frame b (601). At the top of the frame b (601), an electric slide rail is provided. Inside the electric slide rail of the frame b (601), a feeding seat (602) is slidably connected. At the rear end of the feeding seat (602), a triangular block b (614) is fixedly connected. On the right side of the top of the frame b (601), a storage plate (606) is fixedly connected. Inside the inner side wall of the storage plate (606), a feeding plate (608) is elastically connected by a return spring (607). At the bottom end of the inner wall of the storage plate (606), a partition plate (610) is elastically connected by a limiting spring (612). On the outer side wall of the partition plate (610), a triangular block a (609) is fixedly connected. On the outer side wall of the feeding plate (608), a convex rod (613) is fixedly connected.

2. The snake-shaped pipe bender and its clamping mechanism according to claim 1, characterized in that: On the surface of the partition plate (610), a triangular groove is formed. At the bottom inner wall of the triangular groove of the partition plate (610), a one-way plate (611) is elastically connected by a scroll spring (615).

3. A serpentine pipe bender and its clamping mechanism according to claim 1, characterized in that: Inside the inner side wall of the feeding seat (602), a lower clamping plate (603) is slidably connected. On the outer side wall of the lower clamping plate (603), a connecting block (604) is fixedly connected. On the outer wall of the bottom end of the connecting block (604), a guide block (605) is fixedly connected.

4. A snake-shaped pipe bender and its clamping mechanism according to claim 1, characterized in that: The frame b (601) is fixedly connected to the outer wall of the right side of the frame a (1).

5. The snake-shaped pipe bender and its clamping mechanism according to claim 1, characterized in that: One end of the return spring (607) is fixedly connected to the bottom end of the inner wall of the storage plate (606), and the other end of the return spring (607) is fixedly connected to the outer wall of the rear end of the feeding plate (608). The feeding plate (608) is slidably connected to the bottom end of the inner wall of the storage plate (606).

6. The snake-shaped pipe bender and its clamping mechanism according to claim 1, characterized in that: One end of the limiting spring (612) is fixedly connected to the bottom end of the outer wall of the partition plate (610), and the other end of the limiting spring (612) is fixedly connected to the bottom end of the inner wall of the storage plate (606). The partition plate (610) is slidably connected to the bottom end of the inner wall of the storage plate (606).

7. A snake-shaped pipe bender and its clamping mechanism according to claim 1, characterized in that: The triangular block a (609) penetrates and is slidably connected to the inner side wall of the storage plate (606). The triangular block a (609) is in contact with the inclined surface of the triangular block b (614). The convex rod (613) is slidably connected to the inner wall of the triangular groove of the partition plate (610).

8. A snake-shaped pipe bending machine and its clamping mechanism according to claim 2, characterized in that: The one-way plate (611) is rotatably connected to the bottom inner wall of the partition plate (610).

9. A snake-shaped pipe bender and its clamping mechanism according to claim 2, characterized in that: One end of the scroll spring (615) is fixedly connected to the rotation center of the one-way plate (611), and the other end of the scroll spring (615) is fixedly connected to the bottom end of the triangular groove of the partition plate (610).

10. The snake-shaped pipe bender and its clamping mechanism according to claim 3, characterized in that: A guide groove is formed on the outer side wall of the frame b (601), and the guide block (605) is slidably connected to the inner wall of the guide groove on the side wall of the frame b (601).

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