Reliable pipe bending mechanism for large-wall-thickness cold bending bent pipe

The bending mechanism addresses inefficiencies in processing thick-walled pipes by providing adjustable clamping and fixing features, ensuring efficient and damage-free bending of pipes with varying diameters.

CN222175689UActive Publication Date: 2024-12-17JIUYUAN TIANNENG (BEIJING) TECH CO LTD
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Patent Information

Application Number
CN202420589477.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-26
Publication Date
2024-12-17
Estimated Expiration
2034-03-26

AI Technical Summary

Technical Problem

Existing pipe bending mechanisms struggle with inefficiency in processing thick-walled pipes of different diameters, requiring frequent component replacements and reducing work efficiency.

Method used

A bending mechanism with adjustable clamping and fixing capabilities for thick-walled pipes, utilizing sliding blocks, rollers, and power mechanisms to securely hold pipes of varying diameters, along with auxiliary components to prevent warping and buffer assemblies to reduce damage.

Benefits of technology

Enables quick and efficient processing of thick-walled pipes of different diameters, enhancing practicality by improving clamping and bending efficiency while minimizing pipe damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cold bending pipe accessory devices, in particular to a reliable pipe bending mechanism for a large-wall-thickness cold bending pipe, which can be used for quickly clamping and fixing large-wall-thickness pipelines with different diameters, so that the working efficiency and the effect of processing the large-wall-thickness pipelines are improved, and the practicability is enhanced. Comprising a device body and further comprises two sets of fixing plates, two sets of first sliding blocks, two sets of supporting plates, four sets of hinged supports, two sets of first clamping plates, two sets of connecting plates, a plurality of sets of first rolling wheels, two sets of power mechanisms, an auxiliary assembly and a buffering assembly. One ends of the tops of the two fixing plates are connected with the bottoms of the power mechanisms correspondingly, the output ends of one sides of the two power mechanisms are connected with one ends of the supporting plates, the other ends of the two supporting plates are connected with one ends of the two connecting plates through the buffering assemblies correspondingly, and the other ends of the two connecting plates are evenly hinged to one ends of the first clamping plates through the two hinged supports correspondingly.
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Description

Technical Field

[0001] The utility model relates to the technical field of cold-bent pipe bending accessory devices, in particular to a reliable pipe bending mechanism for cold-bent pipes with large wall thickness. Background Art

[0002] As we all know, pipe bending machine is a kind of machine equipment specially used to bend pipes into a certain angle or shape. It is widely used in various industrial fields, such as petrochemical, electric power, metallurgy, shipbuilding, aerospace, etc. In the process of pipeline construction of national projects, pipes or pipe fittings with relatively large wall thickness are often selected for pre-embedding. Thicker walls can provide higher pressure bearing capacity, enabling them to work under higher pressure without breaking or failure. Large wall thickness can also provide better structural support, reducing the possibility of deformation or damage of the pipeline when subjected to external forces.

[0003] When the existing thick-walled pipe fittings are bent through a pipe bending mechanism, it is found that when bending thick-walled pipes of different diameters, matching fixed components need to be replaced, and thick-walled pipes of different diameters cannot be quickly processed, thereby reducing the work efficiency and effect of processing thick-walled pipes, resulting in poor practicality. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a bending mechanism for thick-walled cold-bent pipes with large wall thickness that can be quickly clamped and fixed with different diameters, thereby improving the working efficiency and effect of processing thick-walled pipes, thereby enhancing the practicality of a reliable thick-walled cold-bent pipe bending mechanism.

[0005] The utility model discloses a reliable pipe bending mechanism for cold-bent pipes with large wall thickness, comprising a device main body, and also comprising two groups of fixed plates, two groups of first sliding blocks, two groups of support plates, four groups of hinge seats, two groups of first clamping plates, two groups of connecting plates, multiple groups of first rollers, two groups of power mechanisms, auxiliary components and buffer components, the left and right front ends of the device main body are respectively connected to one end of a group of fixed plates, the top ends of the two groups of fixed plates are respectively connected to the bottom of the power mechanisms, the output ends of one side of the two power mechanisms are connected to one end of a group of support plates, the other ends of the two groups of support plates are respectively connected to one end of the two connecting plates through buffer components, the other ends of the two groups of connecting plates are respectively and evenly hinged through the two groups of hinge seats and one end of the first clamping plates, the other ends of the two groups of first clamping plates are respectively and evenly provided with multiple groups of first rollers, the tops of the two groups of fixed plates are respectively provided with a group of sliding grooves, the two groups of first sliding blocks are respectively slidably connected to the sliding grooves of the fixed plates, and the tops of the two groups of first sliding blocks are respectively connected to the bottom of the support plates, and the left and right ends of the device main body are provided with auxiliary components.

[0006] Preferably, the auxiliary components include two groups of mounting plates, a U-shaped plate, two groups of second sliders, two groups of first telescopic rods, a telescopic cylinder, a pressure plate, a second splint and multiple groups of second rollers, the left and right sides of the device main body are respectively connected to one end of a group of mounting plates, the tops of the two groups of mounting plates are respectively connected to the bottom of the U-shaped plate, a U-shaped groove is provided at the bottom of the U-shaped plate, a group of slide grooves are respectively provided at the left and right ends of the U-shaped groove, the slide grooves at one end of the two groups of U-shaped grooves are respectively connected to one end of a group of second sliders, the two ends of the pressure plate are respectively connected to the other end of a group of second sliders, two groups of first telescopic rods are evenly arranged on the top of the U-shaped groove, and the bottoms of the two groups of first telescopic rods are respectively connected to the top of the pressure plate, a telescopic cylinder is provided on the top of the U-shaped plate, the bottom output end of the telescopic cylinder passes through the U-shaped plate and is connected to the top of the pressure plate, the bottom of the pressure plate is connected to the top of the second splint, and multiple groups of second rollers are evenly arranged on the bottom of the second splint.

[0007] Preferably, the buffer assembly includes four groups of fixed blocks, four groups of connecting blocks, multiple groups of third sliders, multiple groups of second telescopic rods and multiple groups of connecting springs. One ends of the two groups of support plates are respectively and evenly connected to the two groups of fixed blocks. The other ends of the four groups of fixed blocks are respectively provided with a group of grooves. The top and bottom of the four groups of fixed block grooves are respectively provided with a group of slide grooves. The multiple groups of third sliders are respectively slidably connected to the group of slide grooves. The top and bottom of the four groups of connecting blocks are respectively connected to one end of a group of third sliders. One ends of the four groups of connecting blocks are respectively and evenly connected to the multiple groups of second telescopic rods. The other ends of the multiple groups of second telescopic rods are respectively connected to one end of the fixed block groove. A group of connecting springs are respectively provided on the outsides of the multiple groups of second telescopic rods. The other ends of the four groups of connecting blocks are respectively connected to one end of the connecting plate.

[0008] Preferably, it also includes four groups of mounting blocks, four groups of clamping blocks, two groups of protective shells and four groups of connecting screws, a group of mounting blocks are respectively provided at the front end and rear end of the top of the fixing plate, a group of clamping slots are respectively provided at the top of the four groups of mounting blocks, the bottoms of the four groups of clamping blocks are respectively clamped in the clamping slots of the mounting blocks, and the front end and rear end of the bottom of the two groups of protective shells are respectively connected to the tops of the clamping blocks, a group of threaded holes are respectively provided through the four groups of clamping blocks and the four groups of mounting blocks, and the four groups of connecting screws are respectively threadedly connected to the mounting blocks and the clamping blocks through the threaded holes.

[0009] Preferably, four sets of rotating nuts are further included, and one end of each of the four sets of connecting screws is provided with a set of rotating nuts.

[0010] Preferably, two groups of hand-held handles are further included, and one group of hand-held handles is respectively provided at one end of the top of the two groups of protective shells.

[0011] Compared with the prior art, the utility model provides a reliable bending mechanism for cold-bent thick pipes with the following beneficial effects: first, the thick pipe fittings are placed on the top of the device body, and then the staff starts the power mechanism so that its output end drives the support plate to slide through the first slider until the two groups of connecting plates drive the first clamping plate and one end of the thick pipe fitting to fit tightly, and are hinged through the hinge seat so that the two groups of first clamping plates drive the first roller and the thick pipe fitting to fit tightly, and then adjust the auxiliary components, and then start the device body to start bending the thick pipe fittings. Thick pipes of different diameters can be quickly clamped and fixed, thereby improving the work efficiency and effect of processing thick pipes, and thus enhancing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a front view structural cross-sectional schematic diagram of the utility model;

[0014] Figure 3 It is a partial structure enlarged schematic diagram of A of the utility model;

[0015] Markings in the accompanying drawings: 1. device body; 2. fixed plate; 3. first slider; 4. support plate; 5. hinge seat; 6. first clamping plate; 7. connecting plate; 8. first roller; 9. power mechanism; 10. mounting plate; 11. U-shaped plate; 12. second slider; 13. first telescopic rod; 14. telescopic cylinder; 15. pressure plate; 16. second clamping plate; 17. second roller; 18. fixed block; 19. connecting block; 20. third slider; 21. second telescopic rod; 22. connecting spring; 23. mounting block; 24. clamping block; 25. protective shell; 26. connecting screw; 27. rotating nut; 28. hand-held handle. DETAILED DESCRIPTION

[0016] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0017] like Figures 1 to 3As shown, the utility model is a reliable bending mechanism for cold-bent pipes with large wall thickness, including a device body 1, and also includes two groups of fixed plates 2, two groups of first sliders 3, two groups of support plates 4, four groups of hinge seats 5, two groups of first clamping plates 6, two groups of connecting plates 7, multiple groups of first rollers 8, two groups of power mechanisms 9, auxiliary components and buffer components. The front ends on the left and right sides of the device body 1 are respectively connected to one end of a group of fixed plates 2, and the top ends of the two groups of fixed plates 2 are respectively connected to the bottom of the power mechanism 9, and the output ends of one side of the two groups of power mechanisms 9 are connected to one end of a group of support plates 4, and the other ends of the two groups of support plates 4 are respectively connected to one end of the two groups of connecting plates 7 through buffer components, and the other ends of the two groups of connecting plates 7 are respectively and evenly hinged through the two groups of hinge seats 5 and one end of the first clamping plate 6, and the other ends of the two groups of first clamping plates 6 are respectively and evenly provided with multiple groups of first rollers 8, and the tops of the two groups of fixed plates 2 are respectively and evenly provided with multiple groups of first rollers 8. A group of slide grooves are respectively provided, and the two groups of first sliding blocks 3 are respectively slidably connected to the slide grooves of the fixed plate 2, and the tops of the two groups of first sliding blocks 3 are respectively connected to the bottoms of the support plates 4, and auxiliary components are provided at the left and right ends of the device body 1; first, the thick-walled pipe fittings are placed on the top of the device body, and then the staff starts the power mechanism so that its output end drives the support plate to slide through the first sliding block until the two groups of connecting plates drive the first clamping plate and one end of the thick-walled pipe fittings to fit tightly, and are hinged through the hinge seat so that the two groups of first clamping plates drive the first roller and the thick-walled pipe fittings to fit tightly, and then adjust the auxiliary components, and then start the device body to start bending the thick-walled pipe fittings, which can quickly clamp and fix thick-walled pipes of different diameters, thereby improving the work efficiency and effect of processing thick-walled pipes, and thus enhancing practicality.

[0018] As a preferred embodiment of the above, the auxiliary components include two groups of mounting plates 10, a U-shaped plate 11, two groups of second sliders 12, two groups of first telescopic rods 13, a telescopic cylinder 14, a pressing plate 15, a second clamping plate 16 and multiple groups of second rollers 17. The left and right sides of the device body 1 are respectively connected to one end of a group of mounting plates 10, and the tops of the two groups of mounting plates 10 are respectively connected to the bottom of the U-shaped plate 11. A U-shaped groove is provided at the bottom of the U-shaped plate 11, and a group of slide grooves are respectively provided at the left and right ends of the U-shaped groove. The slide grooves at one end of the two groups of U-shaped grooves are respectively connected to one end of a group of second sliders 12, and the two ends of the pressing plate 15 are respectively connected to the other end of a group of second sliders 12. The top of the U-shaped groove is evenly provided with Two groups of first telescopic rods 13, and the bottoms of the two groups of first telescopic rods 13 are respectively connected to the top of the pressing plate 15, a telescopic cylinder 14 is arranged on the top of the U-shaped plate 11, the bottom output end of the telescopic cylinder 14 passes through the U-shaped plate 11 and is connected to the top of the pressing plate 15, the bottom of the pressing plate 15 is connected to the top of the second clamping plate 16, and multiple groups of second rollers 17 are evenly arranged on the bottom of the second clamping plate 16; the telescopic cylinder is started, so that the output end of the telescopic cylinder drives the pressing plate to slide through the second slider until the multiple groups of second rollers at the bottom of the second clamping plate are respectively in close contact with the top of the thick-walled pipe fittings, which can effectively prevent the thick-walled pipe fittings from warping when bending and affecting the bending effect, thereby enhancing practicality.

[0019] As a preferred embodiment of the above embodiment, the buffer assembly includes four groups of fixed blocks 18, four groups of connecting blocks 19, multiple groups of third sliders 20, multiple groups of second telescopic rods 21 and multiple groups of connecting springs 22. One end of the two groups of support plates 4 is evenly connected to the two groups of fixed blocks 18, and the other end of the four groups of fixed blocks 18 is respectively provided with a group of grooves, and the top and bottom of the grooves of the four groups of fixed blocks 18 are respectively provided with a group of slide grooves, and the multiple groups of third sliders 20 are respectively slidably connected to the group of slide grooves, and the top and bottom of the four groups of connecting blocks 19 are respectively connected to one end of a group of third sliders 20, and one end of the four groups of connecting blocks 19 is evenly connected to the multiple groups of second telescopic rods 21 The other ends of the multiple sets of second telescopic rods 21 are respectively connected to one end of the groove of the fixing block 18, and a set of connecting springs 22 are respectively arranged on the outside of the multiple sets of second telescopic rods 21. The other ends of the four sets of connecting blocks 19 are respectively connected to one end of the connecting plate 7; when the two sets of first clamping plates drive the first roller and one end of the thick-walled pipe fitting to be in close contact, a force will be generated, so that the two sets of connecting blocks slide through the two sets of third sliders respectively and start to compress the second telescopic rod, so that the multiple sets of second telescopic rods are respectively extended and retracted with the connecting springs. In this process, the damage to the thick-walled pipe fittings caused by the contact force can be reduced, thereby enhancing practicality.

[0020] As a preferred embodiment of the above embodiment, four groups of mounting blocks 23, four groups of clamping blocks 24, two groups of protective shells 25 and four groups of connecting screws 26 are also included. A group of mounting blocks 23 are respectively arranged at the front end and the rear end of the top of the fixing plate 2. A group of clamping grooves are respectively arranged at the top of the four groups of mounting blocks 23. The bottoms of the four groups of clamping blocks 24 are respectively clamped in the clamping grooves of the mounting blocks 23, and the front end and the rear end of the bottom of the two groups of protective shells 25 are respectively connected to the tops of the clamping blocks 24. A group of threaded holes are respectively arranged through the four groups of clamping blocks 24 and the four groups of mounting blocks 23. The four groups of connecting screws 26 are respectively threadedly connected to the mounting blocks 23 and the clamping blocks 24 through the threaded holes. The protection effect of the power mechanism, etc. can be improved, and the damage to the power mechanism caused by external unexpected factors can be reduced, thereby enhancing the practicality.

[0021] As a preferred embodiment of the above, four sets of rotating nuts 27 are further included. One end of each of the four sets of connecting screws 26 is provided with a set of rotating nuts 27. This allows the staff to rotate the connecting screws more quickly, thereby enhancing practicality.

[0022] As a preference of the above embodiment, two groups of hand-held handles 28 are further included, and one end of the top of the two groups of protective shells 25 is respectively provided with a group of hand-held handles 28 .

[0023] The utility model discloses a reliable bending mechanism for cold-bent pipes with large wall thickness. Its working principle is as follows: first, the large wall thickness pipe fittings are placed on the top of the device body, and then the staff starts the power mechanism so that its output end drives the support plate to slide through the first slider until the two groups of connecting plates drive the first clamping plate and one end of the large wall thickness pipe fittings to be in close contact, and are hinged through a hinge seat so that the two groups of first clamping plates drive the first rollers and the large wall thickness pipe fittings to be in close contact, and then the telescopic cylinder is started so that the output end of the telescopic cylinder drives the pressure plate to slide through the second slider until the multiple groups of second rollers at the bottom of the second clamping plate are respectively in close contact with the tops of the large wall thickness pipe fittings, and then the device body is started to start bending the large wall thickness pipe fittings.

[0024] The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

[0025] The “first”, “second” and “third” mentioned in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A reliable pipe bending mechanism for cold bending thick pipes, comprising a device body (1), characterized in that: The device also comprises two groups of fixed plates (2), two groups of first slide blocks (3), two groups of support plates (4), four groups of hinge seats (5), two groups of first clamping plates (6), two groups of connecting plates (7), a plurality of groups of first rollers (8), two groups of power mechanisms (9), auxiliary components and buffer components. The left and right front ends of the device body (1) are respectively connected to one end of a group of fixed plates (2), the top ends of the two groups of fixed plates (2) are respectively connected to the bottom of the power mechanism (9), the output ends of one side of the two groups of power mechanisms (9) are connected to one end of a group of support plates (4), and the other ends of the two groups of support plates (4) are connected to the output ends of the two groups of power mechanisms (9). One end is connected to one end of two groups of connecting plates (7) through a buffer component, the other ends of the two groups of connecting plates (7) are respectively evenly hinged through two groups of hinge seats (5) and one end of a first clamping plate (6), the other ends of the two groups of first clamping plates (6) are respectively evenly provided with a plurality of first rollers (8), the tops of the two groups of fixed plates (2) are respectively provided with a group of sliding grooves, the two groups of first sliding blocks (3) are respectively slidably connected to the sliding grooves of the fixed plates (2), and the tops of the two groups of first sliding blocks (3) are respectively connected to the bottom of the support plate (4), and auxiliary components are provided at the left and right ends of the device body (1).

2. A reliable pipe bending mechanism for cold-bending thick-walled pipes as claimed in claim 1, characterized in that: The auxiliary components include two groups of mounting plates (10), a U-shaped plate (11), two groups of second slide blocks (12), two groups of first telescopic rods (13), a telescopic cylinder (14), a pressing plate (15), a second clamping plate (16) and a plurality of groups of second rollers (17). The left and right sides of the device body (1) are respectively connected to one end of a group of mounting plates (10), the tops of the two groups of mounting plates (10) are respectively connected to the bottom of the U-shaped plate (11), the bottom of the U-shaped plate (11) is provided with a U-shaped groove, the left and right ends of the U-shaped groove are respectively provided with a group of slide grooves, and the slide grooves at one end of the two groups of U-shaped grooves are respectively connected to a group of second slide blocks. (12) is connected at one end, and the two ends of the pressing plate (15) are respectively connected to the other end of a group of second sliding blocks (12), two groups of first telescopic rods (13) are evenly arranged on the top of the U-shaped groove, and the bottoms of the two groups of first telescopic rods (13) are respectively connected to the top of the pressing plate (15), a telescopic cylinder (14) is arranged on the top of the U-shaped plate (11), the bottom output end of the telescopic cylinder (14) passes through the U-shaped plate (11) and is connected to the top of the pressing plate (15), the bottom of the pressing plate (15) is connected to the top of the second clamping plate (16), and a plurality of second rollers (17) are evenly arranged on the bottom of the second clamping plate (16).

3. A reliable pipe bending mechanism for cold-bending thick pipes as claimed in claim 2, characterized in that: The buffer assembly comprises four groups of fixed blocks (18), four groups of connecting blocks (19), multiple groups of third sliding blocks (20), multiple groups of second telescopic rods (21) and multiple groups of connecting springs (22); one end of the two groups of support plates (4) is evenly connected to the two groups of fixed blocks (18); the other end of the four groups of fixed blocks (18) is respectively provided with a group of grooves; the top and bottom of the grooves of the four groups of fixed blocks (18) are respectively provided with a group of sliding grooves; the multiple groups of third sliding blocks (20) are respectively slidably connected to the group of sliding grooves; the top and bottom of the four groups of connecting blocks (19) are respectively connected to one end of a group of third sliding blocks (20); one end of the four groups of connecting blocks (19) is evenly connected to the multiple groups of second telescopic rods (21); the other ends of the multiple groups of second telescopic rods (21) are respectively connected to one end of the groove of the fixed block (18); a group of connecting springs (22) are respectively provided on the outside of the multiple groups of second telescopic rods (21); and the other ends of the four groups of connecting blocks (19) are respectively connected to one end of the connecting plate (7).

4. A reliable pipe bending mechanism for cold-bending thick-walled pipes as claimed in claim 3, characterized in that: The invention comprises four groups of mounting blocks (23), four groups of clamping blocks (24), two groups of protective shells (25) and four groups of connecting screws (26); a group of mounting blocks (23) are respectively arranged at the front end and the rear end of the top of the fixing plate (2); a group of clamping slots are respectively arranged at the top of the four groups of mounting blocks (23); the bottoms of the four groups of clamping blocks (24) are respectively clamped with the clamping slots of the mounting blocks (23); the front end and the rear end of the bottoms of the two groups of protective shells (25) are respectively connected with the tops of the clamping blocks (24); a group of threaded holes are respectively arranged through the four groups of clamping blocks (24) and the four groups of mounting blocks (23); and the four groups of connecting screws (26) are respectively threadedly connected with the mounting blocks (23) and the clamping blocks (24) through the threaded holes.

5. A reliable pipe bending mechanism for cold-bending thick pipes as claimed in claim 4, characterized in that: It also comprises four groups of rotating nuts (27), and one end of each of the four groups of connecting screw rods (26) is provided with a group of rotating nuts (27).

6. A reliable pipe bending mechanism for cold-bending thick-walled pipes as claimed in claim 5, characterized in that: It also comprises two groups of hand-held handles (28), and one end of the top of the two groups of protective shells (25) is respectively provided with a group of hand-held handles (28).