A bending device for bending a pipe
By introducing slide rails, rotary seats, and motor-driven clamping components into the elbow serpentine bending equipment, automatic clamping and rapid mold changing for pipes of different diameters and wall thicknesses are achieved, solving the problem of frequent clamping and debugging of traditional equipment and improving processing efficiency and accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CANGZHOU CHANGYUAN PIPE FITTINGS CO LTD
- Filing Date
- 2025-06-04
- Publication Date
- 2026-06-09
AI Technical Summary
Traditional elbow bending equipment is difficult to adapt to pipes of different diameters and wall thicknesses, resulting in frequent clamp replacements or readjustments, which consumes time and labor costs, and is prone to pipe slippage or displacement problems.
The bending table, rotating seat, and clamping components are connected by slide rails. Combined with motor drive and detachable mold design, it can automatically clamp pipes of different sizes and quickly change molds to ensure bending accuracy.
It improves the working efficiency and replacement efficiency of the equipment, reduces the time and labor costs of operators, and ensures the fixation and precision of the pipes during the bending process.
Smart Images
Figure CN224333176U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of elbow bending equipment, and more particularly to an elbow serpentine bending equipment. Background Technology
[0002] In modern industrial production, elbows and serpentine pipes are widely used in automobile manufacturing, building plumbing, aerospace, and other fields. Their processing quality directly affects the performance and service life of the equipment. With the market's increasing demands for diverse specifications and high precision in serpentine pipes, efficient and accurate bending equipment has become a key focus of the industry.
[0003] Traditional elbow bending equipment mostly uses fixed clamps or simple mechanical clamping structures for pipe fixing. These clamps are secured with bolts or adjusted manually with knobs, using rigid components to directly clamp the pipe. The technical principle is to manually adjust the clamp spacing to match the outer diameter of the pipe, and then rely on mechanical force to compress the pipe to achieve fixation. During the bending process, the friction of the clamps prevents the pipe from slipping.
[0004] Traditional elbow serpentine bending equipment is difficult to adapt to pipes of different diameters and wall thicknesses. When processing serpentine pipes of various specifications, operators have to frequently change clamps or readjust the equipment, which not only consumes a lot of time and labor costs, but also easily leads to the pipes not being firmly fixed due to adjustment errors, resulting in problems such as slippage and displacement during the bending process. Therefore, an elbow serpentine bending equipment is proposed to solve the above problems. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a bend-head serpentine bending device, which aims to improve the problem in the prior art that when processing serpentine tubes of various specifications, operators have to frequently change fixtures or readjust the equipment, which consumes a lot of time and labor costs.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A bend-and-spindle bending device includes a bending table, a slide rail fixedly connected to the upper surface of the bending table, a connecting seat slidably connected to the side wall of the slide rail, a rotating seat provided on the side wall of the bending table, a rotating sleeve rotatably connected inside the connecting seat, a clamping assembly provided on the side wall of the rotating sleeve, a bending die provided on the side wall of the bending table, a pressing seat provided on the side wall of the bending table, a guide seat provided on the side wall of the bending table, and fixing assemblies provided on the side walls of both the pressing seat and the guide seat.
[0008] The clamping assembly includes a fixed base, the side wall of which is fixedly connected to the side wall of the rotating sleeve. A second motor is fixedly connected inside the rotating sleeve. A rotating disk is fixedly connected to the output end of the second motor. A sliding strip is slidably connected inside the fixed base. A sleeve is fixedly connected to the side wall of the sliding strip. A fixed column is fixedly connected to the side wall of the sliding strip. The side wall of the fixed column is slidably connected inside the rotating disk.
[0009] As a further description of the above technical solution:
[0010] The fixing component includes a plug rod, the sidewalls of which are slidably connected inside the clamping seat and the guide seat, respectively.
[0011] As a further description of the above technical solution:
[0012] A motor is fixedly connected to the side wall of the connecting seat, and the output end of the motor is fixedly connected inside the rotating sleeve.
[0013] As a further description of the above technical solution:
[0014] A screw is fixedly connected to the side wall of the rotating seat, and a nut is threadedly connected to the side wall of the screw. The inner wall of the bending die is slidably connected to the side wall of the screw, and the side wall of the nut is attached to the side wall of the bending die.
[0015] As a further description of the above technical solution:
[0016] A pull plate is fixedly connected to one end of the insertion rod, and a fixing ring is fixedly connected to the side wall of the insertion rod.
[0017] As a further description of the above technical solution:
[0018] A spring is fitted on the side wall of the insertion rod, with one end of the spring fixedly connected to the side wall of the insertion rod and the other end of the spring fixedly connected to the side wall of the fixing ring.
[0019] As a further description of the above technical solution:
[0020] The clamping seat sidewall is provided with a clamping mold, the guide seat sidewall is provided with a guide mold, and the guide mold and the clamping mold sidewall are both fixedly connected with insert blocks.
[0021] As a further description of the above technical solution:
[0022] The sidewalls of the insert block are slidably connected inside the clamping seat and the guide seat, respectively, and the sidewalls of the insert rod are slidably connected inside the insert block.
[0023] This utility model has the following beneficial effects:
[0024] 1. In this utility model, by starting motor two, the rotating disk is driven to rotate. Because the fixed column slides inside the rotating disk, the rotating disk pushes the fixed column when it rotates, causing the sliding strip to slide inside the fixed seat, so that the clamp clamps the pipe to achieve the effect of fixing pipes of different sizes. This solves the problem that when some elbow serpentine bending equipment needs to process serpentine pipes of various specifications, the operator has to frequently change the clamps or readjust the equipment, which consumes a lot of time and labor costs, and is also prone to pipes not being firmly fixed due to adjustment errors. The above structure improves the working efficiency of the equipment.
[0025] 2. In this utility model, the bending mold can be removed and replaced by loosening and removing the nut. After adjustment, the nut is tightened to fix it. When replacing the clamping mold or guide mold, the insert rod is disengaged from the insert block by pulling the pull plate, the old mold is taken out, and then the new mold is inserted. The pull plate is then loosened to complete the replacement, achieving a quick replacement effect for the clamping mold or guide mold, thereby improving the replacement efficiency of the equipment. Attached Figure Description
[0026] Figure 1 This is a three-dimensional schematic diagram of a bend-head serpentine bending device proposed in this utility model;
[0027] Figure 2 This is a schematic diagram of the pipe bending platform of the elbow serpentine bending equipment proposed in this utility model;
[0028] Figure 3 This is a schematic diagram of the connecting seat of a bend-head serpentine bending device proposed in this utility model;
[0029] Figure 4 This is a schematic diagram of the clamping assembly of a bend-head serpentine bending device proposed in this utility model;
[0030] Figure 5 This is a schematic diagram of the pipe bending equipment for a bend-head serpentine bending device proposed in this utility model.
[0031] Figure 6 This is a schematic diagram of the structure of the fixing component of the elbow serpentine bending device proposed in this utility model.
[0032] Legend:
[0033] 1. Bending table; 2. Slide rail; 3. Connecting seat; 4. Motor 1; 5. Rotating seat; 6. Bending die; 7. Pressing seat; 8. Guide seat; 9. Rotating sleeve; 10. Fixed seat; 11. Motor 2; 12. Rotary disk; 13. Sliding bar; 14. Jacket; 15. Fixed column; 16. Screw; 17. Nut; 18. Guide mold; 19. Clamping mold; 20. Insert rod; 21. Pull plate; 22. Fixing ring; 23. Spring; 24. Insert block. Detailed Implementation
[0034] 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 protection scope of the present utility model.
[0035] Reference Figures 1-4 This utility model provides an embodiment of a bend-type serpentine bending device, including a bending platform 1. The bending platform 1 provides a stable and supportive platform for the entire bending device. A slide rail 2 is fixedly connected to the upper surface of the bending platform 1 to provide a guiding effect for the pipe during bending. A connecting seat 3 is slidably connected to the side wall of the slide rail 2. A driving assembly is provided inside the bending platform 1, which includes a motor, a threaded rod, and a fixing block. The motor drives the threaded rod to rotate, and the fixing block is connected to the connecting seat 3, thereby achieving the effect of moving the connecting seat 3. A rotating seat 5 is provided on the side wall of the bending platform 1 to facilitate adjustment of the angle and position according to different bending requirements. A rotating mechanism is rotatably connected inside the connecting seat 3. Rotating sleeve 9 has a clamping component on its side wall for stable clamping and fixing of the pipe to prevent slippage or displacement during bending. Bending table 1 has a bending die 6 on its side wall for bending and shaping the pipe. Bending table 1 has a clamping seat 7 on its side wall for clamping and fixing the pipe during bending to ensure that the pipe can be bent effectively along a predetermined trajectory. Bending table 1 has a guide seat 8 on its side wall for guiding and positioning the pipe before it enters the bending die 6 to prevent displacement or twisting of the pipe at the beginning of bending. Both clamping seat 7 and guide seat 8 have fixing components on their side walls for quick installation and disassembly of the die.
[0036] The clamping assembly includes a fixed base 10, the side wall of which is fixedly connected to the side wall of a rotating sleeve 9. A second motor 11 is fixedly connected inside the rotating sleeve 9. A rotating disk 12 is fixedly connected to the output end of the second motor 11. A sliding strip 13 is slidably connected inside the fixed base 10. A clamp 14 is fixedly connected to the side wall of the sliding strip 13 for direct contact with the pipe and clamping it. The sliding strip 13 drives the clamp 14 to move, effectively clamping pipes of different sizes and ensuring that the pipe does not shift during bending. A fixed post 15 is fixedly connected to the side wall of the sliding strip 13, which slides in conjunction with the groove inside the rotating disk 12, converting the rotational motion of the rotating disk 12 into the linear motion of the sliding strip 13. The side wall of the fixed post 15 is slidably connected inside the rotating disk 12. A first motor 4 is fixedly connected to the side wall of the connecting base 3 for driving the rotating sleeve 9 to rotate, thereby driving the clamping assembly and the pipe to rotate, effectively performing multi-angle bending processing on the pipe. The output end of the first motor 4 is fixedly connected inside the rotating sleeve 9.
[0037] Reference Figures 5-6 The fixing assembly includes a rod 20, whose side walls are slidably connected to the inside of the clamping seat 7 and the guide seat 8, respectively, for linear sliding within the clamping seat 7 and the guide seat 8. A screw 16 is fixedly connected to the side wall of the rotating seat 5, and a nut 17 is threadedly connected to the side wall of the screw 16. By tightening or loosening the nut 17, the bending die 6 is fixed or loosened. The inner wall of the bending die 6 is slidably connected to the side wall of the screw 16, and the side wall of the nut 17 is attached to the side wall of the bending die 6. A pull plate 21 is fixedly connected to one end of the rod 20 for easy manual pulling by the operator, facilitating the disassembly and reassembly of the die. A fixing ring 22 is fixedly connected to the side wall of the rod 20, and a spring 23 is sleeved on the side wall of the rod 20 to provide a restoring elastic force for the rod 20. One end of the spring 23 is fixedly connected to the side wall of the rod 20, and the other end is fixedly connected to the side wall of the fixing ring 22. A clamping die 19 is provided on the side wall of the clamping seat 7 for clamping the pipe during the bending process. The tube is pressed tightly against the bending die 6 to prevent displacement or deformation during bending, ensuring bending accuracy. The guide seat 8 has a guide mold 18 on its side wall to guide the tube entering the bending die 6, ensuring that the tube can accurately enter the working area of the bending die 6 and avoid deviation or twisting. The guide mold 18 and the clamping die 19 are both fixedly connected to the side wall of the insert block 24, which is used to cooperate with the insert rod 20 to achieve quick fixing and disassembly of the clamping die 19 and the guide mold 18. The insert block 24 has a matching insertion hole inside the insert rod 20 to facilitate insertion and removal of the insert rod 20. The side wall of the insert block 24 is slidably connected to the inside of the pressing seat 7 and the guide seat 8, respectively, to ensure that the insert block 24 can slide smoothly in the pressing seat 7 and the guide seat 8. The spring force of the spring 23 can push the insert rod 20 to automatically insert into the insert block 24, improving the convenience of operation. The side wall of the insert rod 20 is slidably connected to the inside of the insert block 24.
[0038] Working principle: When using this equipment, the pipe to be processed is first placed on the fixed seat 10. Then, by starting the motor 11, the rotating disk 12 is driven to rotate. When the rotating disk 12 rotates, it pushes the fixed column 15, which in turn drives the sliding strip 13, which is fixedly connected to the fixed column 15, to slide inside the fixed seat 10. The sliding strip 13 is fixedly connected to the clamp 14, so the sliding of the sliding strip 13 will cause the clamp 14 to clamp the pipe. This process can be adjusted according to the different pipe sizes by controlling the motor 11 to achieve the corresponding action of the clamp 14, thereby fixing pipes of different sizes. Then, by the drive device on the bending table 1, the connecting seat 3 is pushed to move towards the bending die 6. During the movement of the pipe, the guide seat 8 is activated to push the guide die 18 to fit against the side wall of the pipe and assist in moving the pipe. After the pipe is fitted into the groove inside the bending die 6, the clamping seat 7 is activated, pushing the clamping die 19 to move and fit against the side wall of the pipe. Then, the rotating seat 5 is activated, driving the bending die 6 to rotate, and simultaneously driving the clamping seat 7 to rotate. The bending action is achieved through the bending die 6. Then, the rotating sleeve 9 is driven to rotate by the motor 4, causing it to rotate the pipe. The above process is repeated to achieve the serpentine bending operation. When it is necessary to replace the clamping die 19 or the guide die 18, the pull plate 21 is pulled, causing the insertion rod 20 to disengage from the insertion block 24. At this time, the old die can be removed, and then the new die can be inserted. The pull plate 21 is released, and under the elastic force of the spring 23, the insertion rod 20 is reinserted into the insertion block 24. By releasing and removing the nut 17, the bending die 6 can be removed for replacement, completing the quick replacement of the die and improving the replacement efficiency of the equipment.
[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A bend-and-spindle bending device, comprising a bending table (1), characterized in that: The upper surface of the bending platform (1) is fixedly connected to a slide rail (2), and a connecting seat (3) is slidably connected to the side wall of the slide rail (2). A rotating seat (5) is provided on the side wall of the bending platform (1), and a rotating sleeve (9) is rotatably connected inside the connecting seat (3). A clamping assembly is provided on the side wall of the rotating sleeve (9). A bending mold (6) is provided on the side wall of the bending platform (1), and a pressing seat (7) is provided on the side wall of the bending platform (1). A guide seat (8) is provided on the side wall of the bending platform (1). Both the pressing seat (7) and the guide seat (8) are provided with fixing components on their side walls. The clamping assembly includes a fixed base (10), the side wall of which is fixedly connected to the side wall of the rotating sleeve (9), a second motor (11) is fixedly connected inside the rotating sleeve (9), a rotating disk (12) is fixedly connected to the output end of the second motor (11), a sliding strip (13) is slidably connected inside the fixed base (10), a clamp (14) is fixedly connected to the side wall of the sliding strip (13), a fixed post (15) is fixedly connected to the side wall of the sliding strip (13), and the side wall of the fixed post (15) is slidably connected inside the rotating disk (12).
2. The elbow serpentine bending equipment according to claim 1, characterized in that: The fixing assembly includes a plug (20), the sidewalls of which are slidably connected inside the clamping seat (7) and the guide seat (8).
3. The elbow serpentine bending equipment according to claim 1, characterized in that: The side wall of the connecting seat (3) is fixedly connected to a motor (4), and the output end of the motor (4) is fixedly connected inside the rotating sleeve (9).
4. The elbow serpentine bending equipment according to claim 2, characterized in that: A screw (16) is fixedly connected to the side wall of the rotating seat (5), and a nut (17) is threadedly connected to the side wall of the screw (16). The inner wall of the bending die (6) is slidably connected to the side wall of the screw (16), and the side wall of the nut (17) is attached to the side wall of the bending die (6).
5. The elbow serpentine bending equipment according to claim 2, characterized in that: A pull plate (21) is fixedly connected to one end of the insertion rod (20), and a fixing ring (22) is fixedly connected to the side wall of the insertion rod (20).
6. The elbow serpentine bending equipment according to claim 5, characterized in that: A spring (23) is sleeved on the side wall of the insertion rod (20). One end of the spring (23) is fixedly connected to the side wall of the insertion rod (20), and the other end of the spring (23) is fixedly connected to the side wall of the fixing ring (22).
7. The elbow serpentine bending device according to claim 6, characterized in that: The clamping seat (7) is provided with a clamping mold (19) on its side wall, and the guide seat (8) is provided with a guide mold (18) on its side wall. Both the guide mold (18) and the clamping mold (19) are fixedly connected with insert blocks (24).
8. The elbow serpentine bending equipment according to claim 7, characterized in that: The sidewalls of the insert block (24) are slidably connected to the inside of the clamping seat (7) and the guide seat (8), respectively, and the sidewalls of the insert rod (20) are slidably connected to the inside of the insert block (24).