Steel pipe bending device
By designing a steel pipe bending device, using hydraulic cylinders and clamps to fix the steel pipe, and combining positioning seats and lubricating oil, the problem of swaying affecting accuracy during the steel pipe bending process is solved, achieving high-precision and low-wear steel pipe processing results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YIBIN OULUN CATALYTIC TECHNOLOGY CO LTD
- Filing Date
- 2025-04-10
- Publication Date
- 2026-04-21
AI Technical Summary
In the production of car seats, the steel pipes are prone to shaking during the bending process, which affects the bending accuracy.
A steel pipe bending device was designed, including a worktable, a hydraulic cylinder, a clamp, and a bending wheel. The clamp is driven by the hydraulic cylinder to fix the pipe, and the bending wheel is used to perform plastic deformation. At the same time, a positioning seat and a sliding seat are set to improve stability, and lubricating oil is used to reduce wear.
It improves the accuracy and stability of steel pipe bending, reduces surface defects in pipe fittings, and enhances the controllability of processing and the reuse efficiency of lubricating oil.
Smart Images
Figure CN224143334U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of seat manufacturing, specifically a steel pipe bending device. Background Technology
[0002] In the current technology, the support and load-bearing structure of car seats mainly relies on internal steel pipes during the production process. During the processing of steel pipes, workers need to use corresponding hydraulic bending machines to bend the steel pipes into the corresponding shapes so that the steel pipes can be adapted to the shape of the corresponding seat fabric.
[0003] However, during the bending process, the pipe is prone to shaking, which affects the bending accuracy. Therefore, a steel pipe bending device is proposed to address the above problem. Utility Model Content
[0004] In order to overcome the shortcomings of the prior art and solve at least one of the technical problems mentioned in the background art, this utility model proposes a steel pipe bending device.
[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: The steel pipe bending device of this utility model includes a workbench; a first hydraulic cylinder is fixedly connected to the top of the workbench, a base is slidably connected to the top of the workbench, the base and the output end of the first hydraulic cylinder are fixedly connected, a first clamp is fixedly connected to the top of the base, a second clamp is slidably connected to the base, a plurality of second hydraulic cylinders are fixedly connected to the base, the output end of the second hydraulic cylinder and the second clamp are fixedly connected, a pair of supports are fixedly connected to the top of the workbench, and a bending wheel is rotatably connected to the top of the supports.
[0006] Preferably, a pair of positioning seats are fixed to the top of the workbench, and the pair of positioning seats are respectively located at both ends of the base, with the top of the positioning seats having a trapezoidal structure.
[0007] Preferably, a slide rail is fixedly connected to the top side of the workbench, a first sliding seat is fixedly connected to the bottom of the base, and a second sliding seat is fixedly connected to the bottom of the second clamp at a position corresponding to the slide rail. Both the first and second sliding seats are slidably connected to the slide rail.
[0008] Preferably, the bending wheel has an oil supply hole in the middle, the oil supply hole passes through the support, the bending wheel has a bending groove in the middle, the bending groove has a through hole on the side, the through hole and the oil supply hole are connected, and the bottom of the workbench is provided with an oil supply component that can pump lubricating oil into the oil supply hole.
[0009] Preferably, the oil delivery assembly includes an oil tank, an oil pump, and a connecting pipe. The oil tank is fixedly connected to the bottom of the workbench, the oil pump is installed inside the oil tank, one end of the connecting pipe is fixedly connected to the output end of the oil pump, and the other end of the connecting pipe is fixedly connected to the oil delivery port.
[0010] Preferably, an oil box is fixedly connected to the top of the workbench, and the support is fixedly connected to the middle of the oil box.
[0011] The advantages of this utility model are:
[0012] 1. This utility model is provided with a first hydraulic cylinder, a second hydraulic cylinder, a base, a first clamp, and a second clamp. In use, the operator places the pipe to be processed on the first clamp, and then the second hydraulic cylinder drives the second clamp to move. The first clamp and the second clamp close to fix the pipe. Then, the first hydraulic cylinder drives the base and the pipe fixed on the base to move. Then, the bending wheels at both ends cause the pipe to undergo plastic deformation, thereby bending the pipe.
[0013] 2. This utility model features a positioning seat. During use, the positioning seat is installed at both ends of the base. The positioning seat can be used to position the pipe fitting. The top of the positioning seat is trapezoidal, which makes it convenient to place the pipe fitting and facilitates use. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the base structure of this utility model;
[0017] Figure 3 This is a cross-sectional view of the fuel tank structure of this utility model;
[0018] Figure 4 This is a cross-sectional view of the bending wheel of this utility model;
[0019] Figure 5 This is a schematic diagram of the bending wheel of this utility model.
[0020] In the diagram: 11. Workbench; 12. First hydraulic cylinder; 13. Base; 14. First clamp; 15. Second clamp; 16. Second hydraulic cylinder; 2. Positioning seat; 31. Slide rail; 32. First sliding seat; 33. Second sliding seat; 41. Support; 42. Bending wheel; 43. Oil inlet; 44. Through hole; 51. Oil tank; 52. Oil pump; 53. Connecting pipe; 6. Oil box; 7. Lower oil pipe. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.
[0022] Specific implementation examples are given below.
[0023] Please see Figure 1-5 As shown, a steel pipe bending device includes a workbench 11; a first hydraulic cylinder 12 is fixedly connected to the top of the workbench 11, a base 13 is slidably connected to the top of the workbench 11, the output end of the base 13 is fixedly connected to the output end of the first hydraulic cylinder 12, a first clamp 14 is fixedly connected to the top of the base 13, a second clamp 15 is slidably connected to the base 13, a plurality of second hydraulic cylinders 16 are fixedly connected to the base 13, the output end of the second hydraulic cylinder 16 is fixedly connected to the second clamp 15, and a pair of supports 41 are fixedly connected to the top of the workbench 11, with bending wheels 42 rotatably connected to the top of the supports 41.
[0024] In use, the operator places the pipe to be processed on the first clamp 14, and then the second clamp 15 is moved by the second hydraulic cylinder 16. The first clamp 14 and the second clamp 15 close together to fix the pipe. Then the first hydraulic cylinder 12 moves the base 13 and the pipe fixed on the base 13. Then the bending wheels 42 set at both ends cause the pipe to undergo plastic deformation, thereby bending the pipe.
[0025] Furthermore, such as Figure 1-5 As shown, a pair of positioning seats 2 are fixedly connected to the top of the workbench 11. The pair of positioning seats 2 are located at both ends of the base 13. The top of the positioning seats 2 is arranged in a trapezoidal structure. A slide rail 31 is fixedly connected to the top side of the workbench 11. A first sliding seat 32 is fixedly connected to the bottom of the base 13. A second sliding seat 33 is fixedly connected to the bottom of the second clamp 15 at the corresponding position of the slide rail 31. The first sliding seat 32 and the second sliding seat 33 are both slidably connected to the slide rail 31.
[0026] In use, positioning seats 2 are installed at both ends of the base 13. The positioning seats 2 can be used to position the pipe fittings. The top of the positioning seat 2 is set in a trapezoidal structure, which makes it easy to place the pipe fittings and facilitates use. The base 13 and the second clamp 15 are provided with a first sliding seat 32 and a second sliding seat 33. The first sliding seat 32 and the second sliding seat 33 slide on the slide rail 31, which can play a moving guide role and improve stability.
[0027] Furthermore, such as Figure 1-5 As shown, the bending wheel 42 has an oil supply hole 43 in its middle, which penetrates the support 41. The bending wheel 42 has a bending groove in its middle, and a through hole 44 is provided on the side of the bending groove. The through hole 44 is connected to the oil supply hole 43. The bottom of the workbench 11 is provided with an oil supply assembly that can pump lubricating oil into the oil supply hole 43. The oil supply assembly includes an oil tank 51, an oil pump 52, and a connecting pipe 53. The oil tank 51 is fixed to the bottom of the workbench 11, the oil pump 52 is installed inside the oil tank 51, one end of the connecting pipe 53 is fixed to the output end of the oil pump 52, and the other end of the connecting pipe 53 is fixed to the oil supply hole 43. An oil box 6 is fixed to the top of the workbench 11, and the support 41 is fixed to the middle of the oil box 6.
[0028] In use, the bending groove is used for bending metal pipes. During the bending process, the oil pump 52 draws lubricating oil from the oil tank 51 and delivers the lubricating oil to the oil supply hole 43 through the connecting pipe 53. Then, the lubricating oil is supplied to the through hole 44 through the oil supply hole 43, thereby spraying the lubricating oil onto the surface of the pipe. This can lubricate the pipe during the bending process, reduce bending wear, and reduce surface defects of the pipe during large-angle bending. An oil box 6 is set at the bottom of the support 41 to collect the lubricating oil, which can facilitate the reuse of the lubricating oil.
[0029] Furthermore, such as Figure 1-5 As shown, the bottom of the oil box 6 is fixedly connected to the oil pipe 7. In use, the oil pipe 7 is used to guide the lubricating oil back into the oil tank 51.
[0030] Working principle: During use, the operator places the pipe to be processed on the first clamp 14. Then, the second hydraulic cylinder 16 drives the second clamp 15 to move, and the first clamp 14 and the second clamp 15 close to fix the pipe. Then, the first hydraulic cylinder 12 drives the base 13 and the pipe fixed on the base 13 to move. Then, the bending wheels 42 set at both ends cause the pipe to undergo plastic deformation, thereby bending the pipe. Positioning seats 2 are installed at both ends of the base 13 to position the pipe. The top of the positioning seat 2 is set with a trapezoidal structure, which facilitates the placement of the pipe and makes it convenient to use. A first sliding seat is provided on the base 13 and the second clamp 15. The first sliding seat 32 and the second sliding seat 33 slide on the slide rail 31, which can play a moving guiding role and improve stability. In use, the bending groove is used for bending metal pipe fittings. During the bending process, the oil pump 52 draws lubricating oil from the oil tank 51 and delivers the lubricating oil to the oil supply hole 43 through the connecting pipe 53. Then, the lubricating oil is supplied to the through hole 44 through the oil supply hole 43, thereby spraying the lubricating oil onto the surface of the pipe fitting, which can play a lubricating role during the bending process of the pipe fitting, reduce bending wear, and reduce the surface defects of the pipe fitting during large-angle bending. The oil box 6 is set at the bottom of the support 41 to collect the lubricating oil, which can facilitate the reuse of the lubricating oil.
[0031] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A bending device for steel pipes, comprising a worktable (11); characterized in that: A first hydraulic cylinder (12) is fixedly connected to the top of the workbench (11). A base (13) is slidably connected to the top of the workbench (11). The output end of the base (13) is fixedly connected to the output end of the first hydraulic cylinder (12). A first clamp (14) is fixedly connected to the top of the base (13). A second clamp (15) is slidably connected to the base (13). A plurality of second hydraulic cylinders (16) are fixedly connected to the base (13). The output end of the second hydraulic cylinder (16) is fixedly connected to the second clamp (15). A pair of supports (41) are fixedly connected to the top of the workbench (11). A bending wheel (42) is rotatably connected to the top of the supports (41).
2. A pipe bending apparatus as claimed in claim 1, wherein: A pair of positioning seats (2) are fixed to the top of the workbench (11). The pair of positioning seats (2) are located at both ends of the base (13). The top of the positioning seats (2) is arranged in a trapezoidal structure.
3. A pipe bending apparatus as claimed in claim 2, wherein: The top side of the workbench (11) is fixedly connected to a slide rail (31), the bottom of the base (13) is fixedly connected to a first sliding seat (32), and the bottom of the second clamp (15) is fixedly connected to a second sliding seat (33) at the corresponding position of the slide rail (31). The first sliding seat (32) and the second sliding seat (33) are both slidably connected to the slide rail (31).
4. A pipe bending apparatus as claimed in claim 3, wherein: The bending wheel (42) has an oil supply hole (43) in the middle, which passes through the support (41). The bending wheel (42) has a bending groove in the middle, and a through hole (44) is provided on the side of the bending groove. The through hole (44) and the oil supply hole (43) are connected. The bottom of the workbench (11) is provided with an oil supply assembly that can pump lubricating oil into the oil supply hole (43).
5. A pipe bending apparatus as claimed in claim 4, wherein: The oil delivery assembly includes an oil tank (51), an oil pump (52), and a connecting pipe (53). The oil tank (51) is fixed to the bottom of the workbench (11). The oil pump (52) is installed inside the oil tank (51). One end of the connecting pipe (53) is fixed to the output end of the oil pump (52), and the other end of the connecting pipe (53) is fixed to the oil delivery hole (43).
6. A pipe bending apparatus as claimed in claim 5, wherein: An oil box (6) is fixedly connected to the top of the workbench (11), and the support (41) is fixedly connected to the middle of the oil box (6).