Pipe bending machine with good compatibility
By designing the adjustment mechanism and clamping mechanism in the pipe bending machine, the problem that the existing pipe bending machine cannot adjust the height of the bent block and lacks a suitable clamping mechanism is solved, and effective clamping and bending of materials of different diameters is achieved, which improves the working efficiency and scope of application.
Patent Information
- Application Number
- CN202421765836.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The existing pipe bending machines cannot adjust the height of the bent block and lack a suitable clamping mechanism, which leads to poor clamping of materials of different diameters, which easily damages the material, affecting working efficiency and scope of application.
A well-compatible pipe bending machine is designed, equipped with an adjustment mechanism and a clamping mechanism. The adjustment mechanism adjusts the vertical height of the bending assembly through the hydraulic cylinder. The clamping mechanism adopts V-shaped blocks and a T-shaped moving block driven by the cylinder, which can effectively clamp materials of different diameters.
Effective clamping of materials of different diameters is achieved, material damage is avoided, working efficiency is improved, the scope of application is expanded, and the compatibility of the device is improved.
Smart Images
Figure CN222790278U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipe bending machines, in particular to a pipe bending machine with good compatibility. Background Art
[0002] Pipe bending machine refers to a machine used for bending pipes and can also be used as a jack. Pipe bending machines can be roughly divided into CNC pipe bending machines, hydraulic pipe bending machines, etc. It is mainly used for laying and repairing pipes in power construction, road and railway construction, boilers, bridges, ships, furniture, decoration, etc. It has the advantages of multiple functions, reasonable structure, and simple operation.
[0003] The existing pipe bending machine cannot adjust the height of the bending block, which is not convenient for bending the material; and it does not have a suitable clamping mechanism. When clamping materials of different diameters, the grooves on the support block and the clamping block do not match the material diameter, which can easily cause damage to the material, affecting work efficiency and wasting materials. Its scope of application is small and its compatibility is poor. For this reason, we propose a pipe bending machine with good compatibility. Utility Model Content
[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a pipe bending machine with good compatibility. The machine has a clamping mechanism and an adjusting mechanism, which can adjust the vertical height position of the bending assembly to facilitate subsequent bending processing, can effectively clamp materials of different diameters, and the V-shaped block can prevent the material from being damaged, thereby improving work efficiency and saving materials. The machine has a wide range of applications and good compatibility, and can effectively solve the problems in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A pipe bending machine with good compatibility includes a base, an adjustment mechanism, a bending assembly, a support guide assembly and a clamping mechanism;
[0006] A fixing frame is fixedly installed on the upper side of the base, an adjusting mechanism is arranged inside the fixing frame, a workbench is fixedly sleeved on the outer side of the fixing frame, the lower side of the left end of the workbench is fixedly connected to the upper side of the base through two symmetrically distributed connecting rods, two corners of the lower side of the right end of the workbench are fixedly connected to limit blocks, the lower side of the limit blocks is fixedly connected to the upper side of the base through pillars, a bending component is arranged inside the adjusting mechanism, a supporting guide component is arranged on the upper side of the workbench, a fixing plate is symmetrically arranged on the right end of the upper side of the base, and a clamping mechanism is arranged on the outer side of the fixing plate;
[0007] The clamping mechanism includes a circular through groove, an arc-shaped limit plate, a V-shaped block, a square groove, a connecting block, a guide block, a T-shaped moving block, a cylinder 2 and a mounting seat. A circular through groove is provided in the middle of the fixed plate, an arc-shaped limit plate is fixedly connected to the outer side of the fixed plate, the bottom of the arc-shaped limit plate is fixedly connected to the upper side of the base, the arc radius of the top of the arc-shaped limit plate is the same as the radius of the circular through groove, V-shaped blocks are provided on the left and right sides of the circular through groove, a square groove is provided on the fixed plate at the bottom of the V-shaped block, a square slider fixedly connected to the V-shaped block is provided inside the square groove, a connecting block is fixedly connected to the upper side of the V-shaped block, a guide block is fixedly connected to the upper side of the connecting block, the inner side of the guide block is slidably connected to the inclined surface of the T-shaped moving block, the connecting block, the guide block and the T-shaped moving block are all slidably connected to the fixed plate, the upper side of the T-shaped moving block is fixedly connected to the output shaft of the cylinder 2, the cylinder 2 is fixed on the mounting seat, and the mounting seat is fixed on the fixed plate.
[0008] Put the two ends of the pipe object through the circular through groove and place them on the arc limit plate, and then start the second cylinder to pull the T-shaped moving block, and the T-shaped moving block moves upward. Due to the inclined surfaces on the left and right sides of the T-shaped moving block, the guide blocks on the left and right sides of the T-shaped moving block move slightly inward along the inclined surfaces on the left and right sides of the T-shaped moving block, driving the connecting block to move inward, and at the same time, the square slider on the rear side of the V-shaped block moves horizontally inward inside the square groove to clamp and fix the two ends of the pipe object, which can effectively clamp materials of different diameters, and the V-shaped block can prevent the material from being damaged, thereby improving work efficiency and saving materials. It has a wide range of applications and good compatibility.
[0009] Furthermore, the adjusting mechanism includes a T-slot, a T-block, a hydraulic cylinder, a connecting frame, and a U-shaped movable frame. A T-slot is opened on the inner side of the fixed frame, a T-block is slidably connected inside the T-slot, the top of the T-block is fixedly connected to the output shaft of the hydraulic cylinder, the hydraulic cylinder is fixed to the top of the fixed frame through the connecting frames on the front and rear sides, a U-shaped movable frame is slidably provided on the inner side of the fixed frame, the inner side of the U-shaped movable frame is fixedly connected to the T-block, and a bending assembly is provided on the outer side of the U-shaped movable frame.
[0010] Starting the hydraulic cylinder can push the T-shaped block to move up and down inside the T-shaped groove, thereby pushing the U-shaped movable frame to move up and down, and then the vertical height position of the bending assembly can be adjusted to facilitate subsequent bending processing.
[0011] Furthermore, the adjustment mechanism also includes a slide groove and a slider. The slide groove is opened on the front and rear sides of the fixed frame. The slider is slidably connected inside the slide groove, and the slider is fixedly connected to the U-shaped movable frame.
[0012] When the U-shaped movable frame moves up and down, the slider can move up and down inside the slide slot, playing the role of auxiliary connection and auxiliary sliding, thereby improving the stability of the device.
[0013] Furthermore, the bending assembly includes a cylinder 1, a fixed block and a bending block. Cylinder 1 is provided on the inner side of the U-shaped movable frame. Cylinder 1 is fixed to the U-shaped movable frame through fixed blocks on the front and rear sides. The output shaft of cylinder 1 is fixedly connected to the left side of the bending block.
[0014] Starting cylinder 1 can push the bending block to move horizontally to perform bending operations on the pipe object.
[0015] Furthermore, the supporting and guiding assembly includes a slide rail, a U-shaped slider, a support plate and an L-shaped connecting frame. The slide rail is symmetrically installed on the upper side of the workbench, the U-shaped slider is slidably connected to the upper side of the slide rail, the telescopic rod is fixedly connected to the upper side of the U-shaped slider, the upper sides of the two telescopic rods are evenly fixedly connected to the lower side of the support plate, the L-shaped connecting frame is fixedly connected to the middle part of the upper side of the support plate, and the top of the L-shaped connecting frame is fixedly connected to the left side of the bending block.
[0016] When the bending block moves up and down, the telescopic rod can extend or shorten as the bending block moves up and down. When the bending block moves horizontally, the L-shaped connecting frame, support plate and U-shaped slider can move horizontally on the slide rail as the bending block moves horizontally, playing a supporting role and facilitating improving the service life of the device.
[0017] Furthermore, two auxiliary support frames are provided on both the front and rear sides of the fixed plate, the inner side of each auxiliary support frame is fixedly connected to the auxiliary support frame, and the lower side of each auxiliary support frame is fixedly connected to the upper side of the workbench.
[0018] The auxiliary support frame is used to support the fixed plate to prevent the fixed plate from becoming unstable and causing damage to objects during the bending process.
[0019] Compared with the prior art, the beneficial effects of the utility model are: the pipe bending machine with good compatibility has the following advantages:
[0020] 1. Place both ends of the pipe object through the circular through slot and on the arc limit plate, then start the second cylinder to pull the T-shaped moving block, and the T-shaped moving block moves upward. Due to the inclined surfaces on the left and right sides of the T-shaped moving block, the guide blocks on the left and right sides of the T-shaped moving block move slightly inward along the inclined surfaces on the left and right sides of the T-shaped moving block, driving the connecting block to move inward. At the same time, the square slider on the rear side of the V-shaped block moves horizontally inward inside the square slot to clamp and fix both ends of the pipe object. It can effectively clamp materials of different diameters, and the V-shaped block can prevent the material from being damaged, thereby improving work efficiency and saving materials. It has a wide range of applications and good compatibility.
[0021] 2. By starting the hydraulic cylinder, the T-shaped block can be pushed up and down inside the T-shaped groove, thereby pushing the U-shaped movable frame up and down, and then the vertical height position of the bending assembly can be adjusted to facilitate subsequent bending processing.
[0022] 3. When the bending block moves up and down, the telescopic rod can extend or shorten as the bending block moves up and down. When the bending block moves horizontally, the L-shaped connecting frame, support plate and U-shaped slider can move horizontally on the slide rail as the bending block moves horizontally, playing a supporting role and facilitating the improvement of the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a schematic diagram of the structure of the utility model.
[0024] Figure 2 It is a schematic diagram of the front section of the structure of the utility model.
[0025] Figure 3 It is a front view schematic diagram of the structure of the utility model.
[0026] Figure 4 This is a top view of the structure of the utility model
[0027] In the figure: 1 base, 2 fixed frame, 20 adjustment mechanism, 21 T-shaped slot, 22 T-shaped block, 23 hydraulic cylinder, 24 connecting frame, 25 slide slot, 26 slider, 27 U-shaped movable frame, 3 workbench, 31 connecting rod, 32 limit block, 33 pillar, 4 bending assembly, 41 cylinder one, 42 fixed block, 43 bending block, 5 support guide assembly, 51 slide rail, 52 U-shaped slider, 53 support plate, 54 L-shaped connecting frame, 6 fixed plate, 7 clamping mechanism, 71 circular through slot, 72 arc limit plate, 73 V-shaped block, 74 square slot, 75 connecting block, 76 guide block, 77 T-shaped moving block, 78 cylinder two, 79 mounting seat, 8 auxiliary support frame. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] See also Figure 1-4 , this embodiment provides a technical solution: a pipe bending machine with good compatibility includes a base 1, an adjustment mechanism 20, a bending assembly 4, a support guide assembly 5 and a clamping mechanism 7;
[0030] A fixing frame 2 is fixedly installed on the upper side of the base 1, an adjusting mechanism 20 is arranged inside the fixing frame 2, a workbench 3 is fixedly sleeved on the outer side of the fixing frame 2, the lower side of the left end of the workbench 3 is fixedly connected to the upper side of the base 1 through two symmetrically distributed connecting rods 31, two corners of the lower side of the right end of the workbench 3 are fixedly connected to the limiting block 32, the lower side of the limiting block 32 is fixedly connected to the upper side of the base 1 through a support 33, a bending component 4 is arranged inside the adjusting mechanism 20, a supporting guide component 5 is arranged on the upper side of the workbench 3, a fixing plate 6 is symmetrically arranged on the right end of the upper side of the base 1, and a clamping mechanism 7 is arranged on the outer side of the fixing plate 6;
[0031] The clamping mechanism 7 includes a circular through groove 71, an arc-shaped limit plate 72, a V-shaped block 73, a square groove 74, a connecting block 75, a guide block 76, a T-shaped moving block 77, a cylinder 2 78 and a mounting seat 79. A circular through groove 71 is opened in the middle of the fixed plate 6, and an arc-shaped limit plate 72 is fixedly connected to the outer side of the fixed plate 6. The bottom of the arc-shaped limit plate 72 is fixedly connected to the upper side of the base 1. The arc radius of the top of the arc-shaped limit plate 72 is the same as the radius of the circular through groove 71. V-shaped blocks 73 are provided on the left and right sides of the circular through groove 71. The upper part of the fixed plate 6 at the bottom of the V-shaped block 73 is fixed to the upper side of the base 1. A square groove 74 is provided, inside of which a square sliding block is provided which is fixedly connected to the V-shaped block 73; a connecting block 75 is fixedly connected to the upper side of the V-shaped block 73; a guide block 76 is fixedly connected to the upper side of the connecting block 75; the inner side of the guide block 76 is slidably connected to the inclined surface of the T-shaped moving block 77; the connecting block 75, the guide block 76 and the T-shaped moving block 77 are all slidably connected to the fixed plate 6; the upper side of the T-shaped moving block 77 is fixedly connected to the output shaft of the cylinder 2 78; the cylinder 2 78 is fixed on the mounting seat 79; and the mounting seat 79 is fixed on the fixed plate 6.
[0032] The two ends of the pipe object are respectively passed through the circular through groove 71 and placed on the arc-shaped limit plate 72, and then the T-shaped moving block 77 is pulled by starting the second cylinder 78, and the T-shaped moving block 77 moves upward. Due to the inclined surfaces on the left and right sides of the T-shaped moving block 77, the guide blocks 76 on the left and right sides of the T-shaped moving block 77 move slightly inward along the inclined surfaces on the left and right sides of the T-shaped moving block 77, driving the connecting block 75 to move inward, and at the same time, the square slider on the rear side of the V-shaped block 73 moves horizontally inward inside the square groove 74 to clamp and fix the two ends of the pipe object, which can effectively clamp materials of different diameters, and the V-shaped block 73 can prevent the material from being damaged, thereby improving work efficiency and saving materials. It has a wide range of applications and good compatibility.
[0033] Among them, the adjustment mechanism 20 includes a T-shaped slot 21, a T-shaped block 22, a hydraulic cylinder 23, a connecting frame 24, and a U-shaped movable frame 27. A T-shaped slot 21 is opened on the inner side of the fixed frame 2, and a T-shaped block 22 is slidably connected inside the T-shaped slot 21. The top of the T-shaped block 22 is fixedly connected to the output shaft of the hydraulic cylinder 23. The hydraulic cylinder 23 is fixed to the top of the fixed frame 2 through the connecting frames 24 on the front and rear sides. A U-shaped movable frame 27 is slidably provided on the inner side of the fixed frame 2. The inner side of the U-shaped movable frame 27 is fixedly connected to the T-shaped block 22, and a bending component 4 is provided on the outer side of the U-shaped movable frame 27.
[0034] Starting the hydraulic cylinder 23 can push the T-shaped block 22 to move up and down inside the T-shaped groove 21, thereby pushing the U-shaped movable frame 27 to move up and down, and then the vertical height position of the bending assembly 4 can be adjusted to facilitate subsequent bending processing.
[0035] The adjustment mechanism 20 further includes a slide groove 25 and a slider 26 . The slide groove 25 is provided on both the front and rear sides of the fixed frame 2 . The slider 26 is slidably connected inside the slide groove 25 . The slider 26 is fixedly connected to the U-shaped movable frame 27 .
[0036] When the U-shaped movable frame 27 moves up and down, the slider 26 can move up and down inside the slide groove 25, playing the role of auxiliary connection and auxiliary sliding, thereby improving the stability of the device.
[0037] The bending assembly 4 includes a cylinder 41, a fixed block 42 and a bending block 43. A cylinder 41 is provided on the inner side of the U-shaped movable frame 27. The cylinder 41 is fixed to the U-shaped movable frame 27 through the fixed blocks 42 on the front and rear sides. The output shaft of the cylinder 41 is fixedly connected to the left side of the bending block 43.
[0038] Starting the cylinder 1 41 can push the bending block 43 to move horizontally to perform a bending operation on the pipe object.
[0039] The support and guide assembly 5 includes a slide rail 51, a U-shaped slider 52, a support plate 53 and an L-shaped connecting frame 54. The slide rail 51 is symmetrically installed on the upper side of the workbench 3. The U-shaped slider 52 is slidably connected to the upper side of the slide rail 51. The upper side of the U-shaped slider 52 is fixedly connected to a telescopic rod. The upper sides of the two telescopic rods are evenly fixedly connected to the lower side of the support plate 53. The middle part of the upper side of the support plate 53 is fixedly connected to the L-shaped connecting frame 54. The top of the L-shaped connecting frame 54 is fixedly connected to the left side of the bending block 43.
[0040] When the bending block 43 moves up and down, the telescopic rod can extend or shorten as the bending block 43 moves up and down. When the bending block 43 moves horizontally, the L-shaped connecting frame 54, the support plate 53 and the U-shaped slider 52 can move horizontally on the slide rail 51 as the bending block 43 moves horizontally, playing a supporting role, thereby facilitating the improvement of the service life of the device.
[0041] Two auxiliary support frames 8 are provided on both the front and rear sides of the fixed plate 6 , the inner side of each auxiliary support frame 8 is fixedly connected to the auxiliary support frame 8 , and the lower side of each auxiliary support frame 8 is fixedly connected to the upper side of the workbench 3 .
[0042] The auxiliary support frame 8 is used to support the fixing plate 6 to prevent the fixing plate 6 from being unstable and causing damage to the object during the bending process.
[0043] The working principle of a pipe bending machine with good compatibility provided by the utility model is as follows: the two ends of the pipe object are respectively passed through the circular through groove 71 and placed on the arc-shaped limit plate 72, and then the T-shaped moving block 77 is pulled by starting the cylinder 27, and the T-shaped moving block 77 moves upward. Due to the inclined surfaces on the left and right sides of the T-shaped moving block 77, the guide blocks 76 on the left and right sides of the T-shaped moving block 77 move slightly inward along the inclined surfaces on the left and right sides of the T-shaped moving block 77, driving the connecting block 75 to move inward. At the same time, the square slider on the rear side of the V-shaped block 73 moves horizontally inward inside the square groove 74 to clamp and fix the two ends of the pipe object, which can effectively clamp materials of different diameters, and the V-shaped block 73 can prevent the material from being damaged, thereby improving work efficiency and saving materials. It has a wide range of applications and good compatibility. Starting the hydraulic cylinder 23 can push the T-shaped block 22 in the T-slot 2 1 moves up and down inside, thereby pushing the U-shaped movable frame 27 to move up and down, and then the vertical height position of the bending assembly 4 can be adjusted, which is convenient for subsequent bending processing. When the U-shaped movable frame 27 moves up and down, the slider 26 can move up and down inside the slide groove 25, playing the role of auxiliary connection and auxiliary sliding, thereby improving the stability of the device. Starting the cylinder 1 41 can push the bending block 43 to move horizontally, and perform a bending operation on the pipe object. When the bending block 43 moves up and down, the telescopic rod can extend or shorten as the bending block 43 moves up and down. When the bending block 43 moves horizontally, the L-shaped connecting frame 54, the support plate 53 and the U-shaped slider 52 can move horizontally on the slide rail 51 as the bending block 43 moves horizontally, thereby playing the role of support, thereby improving the service life of the device. The auxiliary support frame 8 is used to support the fixed plate 6 to prevent the fixed plate 6 from being unstable during the bending process and causing damage to the object.
[0044] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A pipe bending machine with good compatibility, characterized by: It comprises a base (1), an adjustment mechanism (20), a bending assembly (4), a support and guide assembly (5) and a clamping mechanism (7); A fixing frame (2) is fixedly mounted on the upper side of the base (1), an adjusting mechanism (20) is provided inside the fixing frame (2), a workbench (3) is fixedly sleeved on the outer side of the fixing frame (2), the lower side of the left end of the workbench (3) is fixedly connected to the upper side of the base (1) through two symmetrically distributed connecting rods (31), two corners of the lower side of the right end of the workbench (3) are fixedly connected to limit blocks (32), the lower side of the limit blocks (32) is fixedly connected to the upper side of the base (1) through pillars (33), a bending component (4) is provided on the inner side of the adjusting mechanism (20), a supporting guide component (5) is provided on the upper side of the workbench (3), a fixing plate (6) is symmetrically provided on the right end of the upper side of the base (1), and a clamping mechanism (7) is provided on the outer side of the fixing plate (6); The clamping mechanism (7) comprises a circular through groove (71), an arc-shaped limit plate (72), a V-shaped block (73), a square groove (74), a connecting block (75), a guide block (76), a T-shaped moving block (77), a second cylinder (78) and a mounting seat (79). A circular through groove (71) is provided in the middle of the fixing plate (6). An arc-shaped limit plate (72) is fixedly connected to the outer side of the fixing plate (6). The bottom of the arc-shaped limit plate (72) is fixedly connected to the upper side of the base (1). The arc radius of the top of the arc-shaped limit plate (72) is the same as the radius of the circular through groove (71). V-shaped blocks (73) are provided on the left and right sides of the circular through groove (71). The fixing plate (73) at the bottom of the V-shaped block (73) is fixedly connected to the upper side of the base (1). A square groove (74) is provided on the fixed plate (6), a square sliding block fixedly connected to the V-shaped block (73) is provided inside the square groove (74), a connecting block (75) is fixedly connected to the upper side of the V-shaped block (73), a guide block (76) is fixedly connected to the upper side of the connecting block (75), the inner side of the guide block (76) is slidably connected to the inclined surface of the T-shaped moving block (77), the connecting block (75), the guide block (76) and the T-shaped moving block (77) are all slidably connected to the fixed plate (6), the upper side of the T-shaped moving block (77) is fixedly connected to the output shaft of the second cylinder (78), the second cylinder (78) is fixed on the mounting seat (79), and the mounting seat (79) is fixed on the fixed plate (6).
2. A pipe bending machine with good compatibility according to claim 1, characterized in that: The adjusting mechanism (20) comprises a T-shaped slot (21), a T-shaped block (22), a hydraulic cylinder (23), a connecting frame (24), and a U-shaped movable frame (27). A T-shaped slot (21) is provided inside the fixed frame (2). A T-shaped block (22) is slidably connected inside the T-shaped slot (21). The top of the T-shaped block (22) is fixedly connected to the output shaft of the hydraulic cylinder (23). The hydraulic cylinder (23) is fixed to the top of the fixed frame (2) via connecting frames (24) at the front and rear sides. A U-shaped movable frame (27) is slidably provided inside the fixed frame (2). The inner side of the U-shaped movable frame (27) is fixedly connected to the T-shaped block (22). A bending assembly (4) is provided outside the U-shaped movable frame (27).
3. A pipe bending machine with good compatibility according to claim 1, characterized in that: The adjustment mechanism (20) further comprises a slide groove (25) and a slider (26). The fixed frame (2) is provided with a slide groove (25) on both the front and rear sides. The slide groove (25) is slidably connected to the inside of the slide groove (25). The slider (26) is fixedly connected to the U-shaped movable frame (27).
4. A pipe bending machine with good compatibility according to claim 1, characterized in that: The bending assembly (4) comprises a cylinder one (41), a fixing block (42) and a bending block (43). The cylinder one (41) is arranged on the inner side of the U-shaped movable frame (27). The cylinder one (41) is fixed to the U-shaped movable frame (27) via fixing blocks (42) on the front and rear sides. The output shaft of the cylinder one (41) is fixedly connected to the left side of the bending block (43).
5. A pipe bending machine with good compatibility according to claim 1, characterized in that: The support guide assembly (5) comprises a slide rail (51), a U-shaped slider (52), a support plate (53) and an L-shaped connecting frame (54); the slide rail (51) is symmetrically mounted on the upper side of the workbench (3); the U-shaped slider (52) is slidably connected to the upper side of the slide rail (51); a telescopic rod is fixedly connected to the upper side of the U-shaped slider (52); the upper sides of the two telescopic rods are evenly fixedly connected to the lower side of the support plate (53); the middle part of the upper side of the support plate (53) is fixedly connected to the L-shaped connecting frame (54); the top of the L-shaped connecting frame (54) is fixedly connected to the left side of the bending block (43).
6. A pipe bending machine with good compatibility according to claim 1, characterized in that: Two auxiliary support frames (8) are provided on both the front and rear sides of the fixed plate (6); the inner side of each auxiliary support frame (8) is fixedly connected to the auxiliary support frame (8); and the lower side of each auxiliary support frame (8) is fixedly connected to the upper side of the workbench (3).