High-precision numerical control pipe bending machine
By improving the connection structure between the C-shaped seat and the guide wheel, the problems of parts loss and cumbersome operation during the disassembly process of the high-precision CNC pipe bending machine were solved, and convenient equipment disassembly and installation were achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHANGJIAGANG KEKANG INTELLIGENT TECH CO LTD
- Filing Date
- 2025-05-22
- Publication Date
- 2026-04-21
AI Technical Summary
Existing high-precision CNC pipe bending machines have the problems of risk of losing parts and cumbersome operation during equipment installation or disassembly.
A high-precision CNC pipe bending machine was designed. By improving the connection structure between the C-shaped seat and the guide wheel, the disassembly process can be completed by simply holding the handle and pulling the C-shaped clamp and the arc plate to directly disengage from the clamp and gear, which facilitates quick disassembly of the guide wheel and the C-shaped seat.
It simplifies the disassembly process of the equipment, reduces the risk of losing parts, and improves the convenience and efficiency of operation.
Smart Images

Figure CN224143243U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipe bending machine technology, specifically a high-precision CNC pipe bending machine. Background Technology
[0002] A high-precision CNC pipe bending machine is an advanced piece of equipment that integrates high precision, intelligence, automation, and high efficiency. It is mainly used for bending pipes. Its core features include high-precision control, efficient automated operation, and a wide range of applications.
[0003] Existing technology disclosure number CN214813880U discloses a high-precision CNC pipe bending machine, belonging to the field of CNC pipe bending machine technology. It includes a base, a sliding mechanism, a pressing mechanism, a traction rope, a turntable, and a fixing mechanism. A worktable is installed on the top of the base, a support plate is installed on one side wall of the base, and a mounting seat is installed on the top of the support plate. A first hinge seat is installed on the top of the mounting seat, and a fixing frame is installed on one side wall of the base. A rotating rod penetrating the fixing frame is installed on the top of the first hinge seat, and a second hinge seat is sleeved on the outer wall of the rotating rod. Through the mutual cooperation of the limiting block and the limiting groove, it is convenient for the operator to install and disassemble the pipe bending mechanism, thereby facilitating the operator's maintenance of the pipe bending mechanism.
[0004] While the above-mentioned methods offer certain advantages in terms of facilitating equipment maintenance, they also have certain drawbacks.
[0005] 1. Each time the equipment is installed or disassembled for maintenance, there are relatively many parts and there is a risk of losing parts.
[0006] 2. Furthermore, the equipment requires multiple separate operations during installation or disassembly, making it relatively inconvenient to use. Utility Model Content
[0007] Therefore, in order to overcome the above-mentioned shortcomings, this utility model provides a high-precision CNC pipe bending machine.
[0008] This utility model is implemented as follows: a high-precision CNC pipe bending machine is constructed. The device includes a base, a straight groove formed on the upper surface of the base, a pneumatic cylinder fixedly connected to the left side of the upper surface of the base, a slider slidably connected to the upper surface of the base, and the slider and the output end of the pneumatic cylinder are fixedly connected to each other, a pipe clamp installed at the center of the front end face of the slider, a steel pipe inserted into the front end of the pipe clamp, a first working round table fixedly connected to the front end face of the base, a fixed column fixedly connected to the center of the lower end face of the first working round table, a second working round table fixedly connected to the lower end face of the fixed column, and a C-shaped seat inserted between the first working round table and the second working round table.
[0009] It also includes a pressing plate fixedly connected to the upper left side of the C-shaped base, a guide wheel inserted into the center of the upper surface of the first working platform, a ring crown gear rotatably connected to the outer side of the second working platform, and the ring crown gear being semi-embedded in the front end face of the base and slidably connected to the base. A reserved opening is provided at the center of the upper surface of the first working platform, and a column is fixedly connected to the center of the bottom surface inside the reserved opening. Multiple first slots are provided on the outer side of the bottom end of the guide wheel, and an insertion port is provided at the center of the bottom end of the guide wheel, with the column inserted into the inner side of the insertion port and slidably connected to the base. Multiple second slots are provided on the bottom end of the C-shaped base.
[0010] Preferably, the lower end of the C-shaped base has a groove, and the inner side of the groove has multiple arc-shaped openings. A motor is fixedly connected inside the base, and a gear is fixedly connected to the output end of the motor. The gear meshes with a ring crown gear. A first connecting rod is slidably inserted into the center of the lower end face of the second working platform. A handle is fixedly connected to the lower end face of the first connecting rod. A limit side plate is fixedly connected to the outer side of the first connecting rod. A second connecting rod is rotatably connected to the upper end face of the first connecting rod. A first limit post is fixedly connected to the outer side of the second connecting rod. A tension spring is fixedly connected to the upper end face of the second connecting rod.
[0011] Preferably, a cylinder is rotatably connected inside the column, and the second connecting rod is located inside the cylinder and slidably connected to it. The inner wall of the cylinder is provided with an inclined sliding groove, and the first limiting post is slidably connected to the inclined sliding groove. A first circular plate is fixedly connected to the lower end face of the cylinder, and the first circular plate is located inside the first working truncated cone. A first arc-shaped groove is opened on the upper end face of the first circular plate, and a second limiting post is slidably connected to the inner side of the first arc-shaped groove. A C-shaped clamping plate is slidably connected to the lower end face of the first circular plate, and the second limiting post and the C-shaped clamping plate are fixedly connected to each other.
[0012] Preferably, a second circular plate is rotatably connected inside the fixed column, and the first connecting rod passes through the circular opening and is slidably connected to the circular opening.
[0013] Preferably, the second circular plate has multiple second arc-shaped grooves, and a third limiting post is slidably connected to the inner side of the second arc-shaped groove. The second circular plate has a circular opening at its center.
[0014] Preferably, the inner left and right ends of the circular opening are provided with sliding grooves, and the limiting side plate is slidably connected to the sliding grooves. A connecting plate is inserted and slidably connected to the outer side of the fixing column.
[0015] Preferably, an arc-shaped plate is fixedly connected to the end of the connecting plate away from the fixed column, and multiple rotating rollers are rotatably connected to the front end face of the arc-shaped plate.
[0016] This utility model has the following advantages: This utility model provides a high-precision CNC pipe bending machine through improvements, which, compared with similar equipment, has the following improvements:
[0017] The high-precision CNC pipe bending machine described in this utility model allows for easy removal of the guide wheel when disassembling the C-shaped seat and guide wheel. Simply pull down on the handle to move the C-shaped clamping plate away from the first clamping slot, allowing the guide wheel to be removed directly. Rotate the handle to move the arc plate away from the arc opening, and simultaneously lift the C-shaped seat slightly upwards. This disengages the second clamping slot from the ring crown gear, making the C-shaped seat easier to remove. This operation is more convenient and eliminates the drawback of requiring multiple parts for fixing. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of this utility model;
[0019] Figure 2 This is a schematic diagram showing the disassembled C-shaped seat and guide wheel of this utility model.
[0020] Figure 3 This is a structural plan view of the present invention;
[0021] Figure 4 This is a utility model Figure 3 Enlarged view of structure A;
[0022] Figure 5 This is the structure of the utility model Figure 4 3D diagram;
[0023] Figure 6 This is the structure of the utility model Figure 4 3D disassembly diagram.
[0024] Among them: base-1, straight groove-2, pneumatic cylinder-3, slider-4, pipe clamp-5, steel pipe-6, first working platform-7, fixed column-701, second working platform-8, C-shaped seat-9, extrusion plate-10, guide wheel-11, ring crown gear-12, reserved opening-13, column-14, first bayonet-15, insertion port-16, second bayonet-17, groove-18, arc-shaped opening-19, motor-20, gear-21, and the first... 1. Connecting rod - 22, handle - 23, limiting side plate - 24, second connecting rod - 25, first limiting post - 26, tension spring - 27, cylinder - 28, inclined slide groove - 29, first circular plate - 30, first arc groove - 31, second limiting post - 32, C-shaped clamping plate - 33, second circular plate - 34, second arc groove - 35, third limiting post - 36, circular opening - 37, slide groove - 38, connecting plate - 39, arc plate - 40, rotating roller - 41. Detailed Implementation
[0025] The following is in conjunction with the appendix Figures 1-6 The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description and claims. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.
[0026] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.
[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0028] Example 1:
[0029] Please see Figures 1-6This utility model discloses a high-precision CNC pipe bending machine, comprising a base 1, a straight groove 2 formed on the upper surface of the base 1, a pneumatic cylinder 3 fixedly connected to the left side of the upper surface of the base 1, a slider 4 slidably connected to the upper surface of the base 1, and the slider 4 and the output end of the pneumatic cylinder 3 being fixedly connected to each other, a pipe clamp 5 installed at the center of the front end face of the slider 4, a steel pipe 6 inserted into the front end of the pipe clamp 5, a first working platform 7 fixedly connected to the front end face of the base 1, a fixing column 701 fixedly connected to the center of the lower end face of the first working platform 7, a second working platform 8 fixedly connected to the lower end face of the fixing column 701, a C-shaped seat 9 inserted between the first working platform 7 and the second working platform 8, and an extrusion plate 10 fixedly connected to the left side of the upper end of the C-shaped seat 9. The guide wheel 11 is located at the center of the upper surface of the first working platform 7. The outer side of the second working platform 8 is rotatably connected to the ring crown gear 12, and the ring crown gear 12 is partially embedded in the front end face of the base 1 and slidably connected to the base 1. The center of the upper surface of the first working platform 7 is provided with a reserved opening 13. The center of the bottom surface of the reserved opening 13 is fixedly connected to the column 14. The outer side of the bottom end of the guide wheel 11 is provided with multiple first slots 15. The center of the bottom surface of the guide wheel 11 is provided with an insertion port 16, and the column 14 is inserted into the insertion port 16 and slidably connected to the column. The bottom surface of the C-shaped seat 9 is provided with multiple second slots 17, and the second slots 17 are engaged with the ring crown gear 12. The lower end of the C-shaped seat 9 is provided with a groove 18, and the inner side of the groove 18 is provided with multiple arc-shaped openings 19.
[0030] A motor 20 is fixedly connected inside the base 1. A gear 21 is fixedly connected to the output end of the motor 20, and the gear 21 meshes with the ring crown gear 12. A first connecting rod 22 is slidably inserted into the center of the lower end face of the second working platform 8. A handle 23 is fixedly connected to the lower end face of the first connecting rod 22. A limit plate 24 is fixedly connected to the outer side of the first connecting rod 22. A second connecting rod 25 is rotatably connected to the upper end face of the first connecting rod 22. A first limit post 26 is fixedly connected to the outer side of the second connecting rod 25. A tension spring 27 is fixedly connected to the upper end face of the second connecting rod 25, and the upper end of the tension spring 27 is fixedly connected to the inner top face of the column 14. A cylinder 28 is rotatably connected inside the column 14, and the second connecting rod 25 is located inside the cylinder 28 and is slidably connected to the inner side of the cylinder 28. An inclined groove 29 is provided on the inner side wall of the cylinder 28, and the first limiting post 26 is slidably connected to the inclined groove 29. A first circular plate 30 is fixedly connected to the lower end face of the cylinder 28, and the first circular plate 30 is located inside the first working platform 7.
[0031] A first arc-shaped groove 31 is formed on the upper surface of the first circular plate 30. A second limiting post 32 is slidably connected to the inner side of the first arc-shaped groove 31. A C-shaped clamping plate 33 is slidably connected to the lower surface of the first circular plate 30, and the second limiting post 32 and the C-shaped clamping plate 33 are fixedly connected to each other. The C-shaped clamping plate 33 is inserted into the inner side of the first latch 15. A second circular plate 34 is rotatably connected inside the fixing post 701, and the first connecting rod 22 passes through the circular opening 37 and is slidably connected to the circular opening 37. A plurality of second arc-shaped grooves 35 are formed on the second circular plate 34, and the inner side of the second arc-shaped grooves 35 is slidably connected to the second circular plate 34. A third limiting post 36 is connected. A circular opening 37 is provided at the center of the second circular plate 34. Sliding grooves 38 are provided at both ends of the inner side of the circular opening 37. The limiting side plate 24 and the sliding grooves 38 are slidably connected to each other. A connecting plate 39 is inserted and slidably connected to the outer side of the fixing post 701. A reset spring is provided at the sliding connection between the connecting plate 39 and the fixing post 701 for reset. An arc plate 40 is fixedly connected to the end of the connecting plate 39 away from the fixing post 701. The arc plate 40 is inserted into the inner side of the arc opening 19. Multiple rotating rollers 41 are rotatably connected to the front end face of the arc plate 40.
[0032] The working principle of a high-precision CNC pipe bending machine based on Embodiment 1 is as follows:
[0033] First, after connecting the equipment to the external power supply, fix the steel pipe 6 that needs to be bent with the pipe clamp 5. Then, between the extrusion plate 10 and the guide wheel 11, turn on the motor 20 and drive the ring crown gear 12 to move through the gear 21. Correspondingly, drive the C-shaped seat 9 to move through the second bayonet 17, and apply force to the steel pipe 6 to achieve bending.
[0034] Second, when it is necessary to disassemble the guide wheel 11, manually grasp the handle 23 and pull it downwards, which will move the first connecting rod 22 and the second connecting rod 25 together. The tension spring 27 will be stretched, and the second connecting rod 25 will drive the first limiting post 26 to slide with the inclined slide groove 29, which will drive the cylinder 28 to rotate and drive the first circular plate 30 to rotate. Through the first arc groove 31, the second limiting post 32 will drive the C-shaped clamping plate 33 to move and disengage from the first clamping slot 15, so that the guide wheel 11 can be directly removed.
[0035] Third, when it is necessary to disassemble the C-type seat 9, simply turn the handle 23. Through the cooperation of the limiting side plate 24 and the slide groove 38, the second circular plate 34 will be rotated relative to each other. Through the second arc groove 35, the third limiting post 36 will drive the connecting plate 39 to pull the arc plate 40 to move away from the arc opening 19. At the same time, hold the C-type seat 9 slightly upward. The second latch 17 will disengage from the ring crown gear 12, and the C-type seat 9 can be removed. The operation is more convenient and avoids the disadvantage of needing multiple parts to fix it.
[0036] This utility model provides a high-precision CNC pipe bending machine through improvement. During use, when it is necessary to disassemble the C-shaped seat 9 and guide wheel 11, simply pull down the handle 23 to move the C-shaped clamp 33 away from the first clamp 15, and the guide wheel 11 can be directly removed. Rotate the handle 23 to move the arc plate 40 away from the arc opening 19. At the same time, slightly lift the C-shaped seat 9 upwards, and the second clamp 17 will disengage from the ring crown gear 12, so the C-shaped seat 9 can be removed. The operation is more convenient and eliminates the disadvantage of needing multiple parts for fixing.
[0037] The above describes the basic principles, main features, and advantages of this utility model. All standard parts used in this utility model can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods for each part all adopt conventional methods such as bolts, rivets, and welding, which are mature technologies in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art, and the circuit connections adopt conventional connection methods in the prior art, which will not be detailed here.
[0038] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A high-precision CNC pipe bending machine, comprising a base (1), a straight groove (2) formed on the upper end face of the base (1), a pneumatic cylinder (3) fixedly connected to the left side of the upper end face of the base (1), a slider (4) slidably connected to the upper end face of the base (1), and the slider (4) and the output end of the pneumatic cylinder (3) are fixedly connected to each other, a pipe clamp (5) installed at the center of the front end face of the slider (4), a steel pipe (6) inserted into the front end of the pipe clamp (5), a first working round table (7) fixedly connected to the front end face of the base (1), a fixed column (701) fixedly connected to the center of the lower end face of the first working round table (7), a second working round table (8) fixedly connected to the lower end face of the fixed column (701), and a C-shaped seat (9) inserted between the first working round table (7) and the second working round table (8). characterized in that A pressing plate (10) is fixedly connected to the upper left side of the C-shaped seat (9), and a guide wheel (11) is inserted into the center of the upper surface of the first working round table (7). A ring crown gear (12) is rotatably connected to the outer side of the second working round table (8), and the ring crown gear (12) is partially embedded in the front end face of the base (1) and slides with the base (1). A reserved opening (13) is opened at the center of the upper surface of the first working round table (7). A column (14) is fixedly connected to the center of the bottom surface of the reserved opening (13). A plurality of first slots (15) are opened on the outer side of the bottom end of the guide wheel (11). An insertion port (16) is opened at the center of the bottom surface of the guide wheel (11), and the column (14) is inserted into the inner side of the insertion port (16) and slides with each other. A plurality of second slots (17) are opened on the bottom surface of the C-shaped seat (9).
2. The high-precision numerical control pipe bender according to claim 1, wherein The lower end of the C-shaped seat (9) is provided with a groove (18), and the inner side of the groove (18) is provided with multiple arc-shaped openings (19). The base (1) is fixedly connected to a motor (20), and the output end of the motor (20) is fixedly connected to a gear (21), and the gear (21) meshes with the ring crown gear (12). The lower end face of the second working round table (8) is inserted and slidably connected to a first connecting rod (22), and the lower end face of the first connecting rod (22) is fixedly connected to a handle (23). The outer side of the first connecting rod (22) is fixedly connected to a limiting side plate (24), and the upper end face of the first connecting rod (22) is rotatably connected to a second connecting rod (25). The outer side of the second connecting rod (25) is fixedly connected to a first limiting post (26), and the upper end face of the second connecting rod (25) is fixedly connected to a tension spring (27).
3. The high-precision numerical control pipe bender according to claim 2, wherein The cylinder (14) is rotatably connected to the cylinder (28), and the second connecting rod (25) is located inside the cylinder (28) and is slidably connected to the inner side of the cylinder (28). The inner side wall of the cylinder (28) is provided with a slanted sliding groove (29), and the first limiting post (26) is slidably connected to the slanted sliding groove (29). The lower end face of the cylinder (28) is fixedly connected to the first circular plate (30), and the first circular plate (30) is located inside the first working round table (7). The upper end face of the first circular plate (30) is provided with a first arc-shaped groove (31), and the inner side of the first arc-shaped groove (31) is slidably connected to the second limiting post (32). The lower end face of the first circular plate (30) is slidably connected to the C-shaped clamping plate (33), and the second limiting post (32) and the C-shaped clamping plate (33) are fixedly connected to each other.
4. The high-precision numerical control pipe bender according to claim 3, wherein The fixed column (701) is rotatably connected to a second circular plate (34), and the first connecting rod (22) passes through the circular opening (37) and is slidably connected to the circular opening (37).
5. The high-precision numerical control pipe bender according to claim 4, wherein The second circular plate (34) has multiple second arc-shaped grooves (35), and a third limiting post (36) is slidably connected to the inner side of the second arc-shaped groove (35). The second circular plate (34) has a circular opening (37) at its center.
6. The high-precision numerical control pipe bender according to claim 5, wherein The inner left and right ends of the circular opening (37) are provided with sliding grooves (38), and the limiting side plate (24) and the sliding groove (38) are slidably connected to each other. The outer side of the fixed column (701) is inserted and slidably connected with a connecting plate (39).
7. The high-precision numerical control pipe bender according to claim 6, wherein The connecting plate (39) is fixedly connected to an arc-shaped plate (40) at the end away from the fixed column (701), and multiple rotating rollers (41) are rotatably connected to the front end face of the arc-shaped plate (40).