Bending-degree-adjustable metal bent pipe machining bending machine

Abstract

The invention discloses a bending-degree-adjustable metal bent pipe machining bending machine which comprises a workbench, a supporting frame is installed behind the workbench, a hydraulic rod is installed above the supporting frame, and the output end of the hydraulic rod is connected with a bending pressing head. A rotating rod is rotationally connected to the supporting frame, a rotating disc is installed at the end of the rotating rod, a positioning column is installed on the front side of the rotating disc, the outer side of the positioning column is sleeved with an installation block, a clamping groove is formed in the rear end of the installation block, and the installation block and the rotating disc are fixed through a bolt. According to the bending-degree-adjustable metal bent pipe machining bending machine, the rotating disc is controlled to rotate, the positions of the supporting columns can be adjusted according to the bending angle needed by a metal bent pipe, the center line positions of the supporting columns with the closer adjacent positions face the bending pressing head, and small-angle bending can be conducted on the metal pipe; and the middle line positions of the supporting columns which are far away from each other adjacent to each other face the bending pressure head, so that large-angle bending can be carried out on the metal pipe.

Description

Technical Field

[0001] The invention relates to the technical field of metal pipe bending processing, in particular to a metal pipe bending processing bending machine with adjustable bending degree. Background Art

[0002] Metal pipe bending plays an important role in many fields. It is an indispensable part of oil and gas pipeline systems, building water supply and drainage systems, automobile fuel systems, and various mechanical equipment. When processing metal pipe bending, a bending machine is needed to bend the metal pipe into the required angle.

[0003] However, when bending metal tubes, the bending machines currently used for metal tube bending have a limited adjustment range for the bending degrees of the metal tubes due to the different bending degrees required for the metal tube bending processing. The bending degrees of the metal tubes cannot be adjusted conveniently over a large range, resulting in limited specifications of the metal tubes processed by the bending machines. In addition, due to the different sizes of metal tubes required for the metal tube bending processing, the bending machines cannot be limited to the sizes of the metal tubes, which affects the stability of the bending processing.

[0004] Therefore, we proposed a metal tube bending machine with adjustable bending degree to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to provide a metal pipe bending machine with adjustable bending degree to solve the problem raised in the above background technology that due to the different bending degrees required for metal pipe bending processing in the current market, the bending degree of the metal pipe bending machine has a limited adjustment range, and the bending degree of the metal pipe bending machine cannot be conveniently adjusted over a large range, resulting in limited specifications of the metal pipe bending machine, and due to the different sizes of metal pipes required for metal pipe bending processing, the size of the metal pipe cannot be adapted to limit it, affecting the stability of its bending processing.

[0006] To achieve the above object, the present invention provides the following technical solution: a metal pipe bending machine with adjustable bending degree, comprising a workbench, a support frame is installed behind the workbench, a hydraulic rod is installed above the support frame, and a bending pressure head is connected to the output end of the hydraulic rod;

[0007] The support frame is rotatably connected with a rotating rod, a rotating disk is installed at the end of the rotating rod, a positioning column is installed on the front side of the rotating disk, a mounting block is sleeved on the outer side of the positioning column, a slot is opened at the rear end of the mounting block, and the mounting block is fixed to the rotating disk by bolts;

[0008] A second limiting ring is slidably connected to the inner side of the mounting block, a support column is connected to the inner side of the second limiting ring, a first limiting ring is installed at the front end of the support column, a reinforcement block is arranged at the outer side of the first limiting ring, and a limiting plate is sleeved at the outer side of the support column;

[0009] The support column is provided with an adjustment component adapted to the outer diameter of the metal tube to limit its position;

[0010] A limit seat is installed at the front side of the turntable, the limit seat is internally slidably connected to a limit block, a reinforcement rod is hinged at the end of the limit block, and one end of the reinforcement rod away from the limit block is hinged to the reinforcement block;

[0011] A positioning hole is provided on the outer edge of the rotating disk, a spring is connected to the inside of the supporting frame, and a positioning rod is connected to the upper end of the spring.

[0012] Preferably, the adjustment assembly includes a bidirectional screw rod rotatably connected to the inside of the support column, the outer side of the bidirectional screw rod is threadedly connected to a movable disk, the outer edge of the movable disk is connected to a connecting rod, a limiting plate is installed at one end of the connecting rod away from the movable disk, and a through groove is opened on the outer wall of the support column.

[0013] Preferably, the limit block is a "convex" structure, the limit block passes through the side wall of the limit seat, and one end of the limit seat close to the positioning column is open.

[0014] Preferably, the reinforcement rod is movably connected between the reinforcement block and the limiting block, and the reinforcement rod is distributed in an inclined shape.

[0015] Preferably, the support column forms a rotating structure with the reinforcement block and the mounting block through a first limiting ring and a second limiting ring respectively, and the reinforcement block is in a circular ring shape.

[0016] Preferably, the limiting plate and the movable plate are connected via a connecting rod, and the connecting rod passes through the through slot and is slidably connected with the through slot.

[0017] Preferably, the threads of the front and rear sections of the bidirectional screw are distributed in opposite directions, and the sections of the bidirectional screw with opposite thread distributions are both connected to a movable disk.

[0018] Preferably, the positioning rod passes through the support frame and is slidably connected to the support frame, and the positioning rod and the positioning hole are engaged with each other.

[0019] Preferably, the height of the connecting rod is greater than the depth of the through groove, and the connecting rod is distributed at equal angles with respect to the transverse center line of the support column.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] (1) The bending degree adjustable metal pipe bending machine can adjust the position of the support column according to the required bending angle of the metal pipe by controlling the rotation of the turntable. The centerline positions of the support columns with a closer distance to the adjacent positions are facing the bending pressure head, so that the metal pipe can be bent at a small angle. The centerline positions of the support columns with a farther distance to the adjacent positions are facing the bending pressure head, so that the metal pipe can be bent at a large angle. According to the bending requirements, the bending degree of the metal pipe can be adjusted in a wide range, which is suitable for the processing of metal pipes with multiple specifications;

[0022] (2) The metal tube bending machine with adjustable bending degree can drive the bidirectional screw to rotate and control the moving plate to move in the opposite direction at the same time, thereby driving the limit plate to move synchronously through the connecting rod, and adjusting the distance of the limit plate on the support column to adapt to the metal tubes with different outer diameters for limiting, so as to facilitate the placement and bending of metal tubes with different outer diameters, thereby improving its flexibility of use;

[0023] (3) The metal pipe bending machine with adjustable bending degree can use inclined reinforcement rods to reinforce the support column to improve its strength, and the support column can be disassembled and assembled to facilitate its maintenance and replacement. When the metal pipe is bent, the support column can be rotated under force to reduce the friction between the support column and the metal pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a side view structural schematic diagram of the present invention;

[0026] Figure 3 It is a schematic diagram of the cross-sectional structure of the present invention;

[0027] Figure 4 This is a schematic diagram of the support column structure of the present invention;

[0028] Figure 5 This is a schematic diagram of the cross-sectional structure of the support column of the present invention;

[0029] Figure 6 It is a schematic diagram of the structure of the turntable of the present invention;

[0030] Figure 7 It is a schematic diagram of the cross-sectional structure of the turntable of the present invention;

[0031] Figure 8 It is a schematic diagram of the main structure of the present invention.

[0032] In the figure: 1. workbench; 2. support frame; 3. hydraulic rod; 4. bending pressure head; 5. rotating rod; 6. rotating disk; 7. positioning column; 8. limiting seat; 9. limiting block; 10. reinforcement rod; 11. reinforcement block; 12. support column; 13. first limiting ring; 14. second limiting ring; 15. mounting block; 16. limiting plate; 17. bidirectional screw rod; 18. moving disk; 19. connecting rod; 20. through groove; 21. slot; 22. spring; 23. positioning rod; 24. positioning hole. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figure 1-Figure 8 The present invention provides the following technical solutions: a metal pipe bending machine with adjustable bending degree, comprising a workbench 1, a support frame 2 is installed at the rear of the workbench 1, a hydraulic rod 3 is installed above the support frame 2, and a bending pressure head 4 is connected to the output end of the hydraulic rod 3; a rotating rod 5 is rotatably connected to the support frame 2, a turntable 6 is installed at the end of the rotating rod 5, a positioning column 7 is installed on the front side of the turntable 6, a mounting block 15 is sleeved on the outer side of the positioning column 7, a slot 21 is opened at the rear end of the mounting block 15, and the mounting block 15 is fixed to the turntable 6 by bolts; a second limiting ring 14 is slidably connected to the inner side of the mounting block 15, a support column 12 is connected to the inner side of the second limiting ring 14, a first limiting ring 13 is installed at the front end of the support column 12, a reinforcement block 11 is arranged on the outer side of the first limiting ring 13, and a limiting plate 16 is sleeved on the outer side of the support column 12;

[0035] Furthermore, the support column 12 forms a rotating structure with the reinforcement block 11 and the mounting block 15 through the first limiting ring 13 and the second limiting ring 14 respectively. The reinforcement block 11 is annular. When the metal pipe is bent, the support column 12 can be rotated under force to reduce the friction between the support column 12 and the metal pipe.

[0036] The support column 12 is provided with an adjustment component adapted to the outer diameter of the metal tube to limit its position;

[0037] Further, the adjustment assembly includes a bidirectional screw rod 17 rotatably connected to the inside of the support column 12, the outer side of the bidirectional screw rod 17 is threadedly connected to a moving disk 18, the outer edge of the moving disk 18 is connected to a connecting rod 19, and a limit plate 16 is installed at one end of the connecting rod 19 away from the moving disk 18, and a through groove 20 is opened on the outer wall of the support column 12;

[0038] Furthermore, the limit plate 16 and the movable plate 18 are connected by a connecting rod 19, and the connecting rod 19 passes through the through slot 20 and is slidably connected to the through slot 20. The connecting rod 19 can be used to limit the movement of the limit plate 16 and the movable plate 18 to ensure their horizontal movement and adjust the distance between the limit plates 16;

[0039] Furthermore, the thread distribution directions of the front and rear sections of the bidirectional screw rod 17 are opposite, and the opposite sections of the thread distribution of the bidirectional screw rod 17 are connected to the moving disk 18, and the moving disk 18 is simultaneously moved in the opposite direction by driving the bidirectional screw rod 17 to rotate;

[0040] Furthermore, the height of the connecting rod 19 is greater than the depth of the through slot 20, and the connecting rod 19 is distributed at equal angles with respect to the transverse center line of the support column 12, so that there is a gap between the moving plate 18 and the limit plate 16 connected to the end of the connecting rod 19 and the support column 12, so that they can move smoothly;

[0041] A limit seat 8 is installed on the front side of the turntable 6, and a limit block 9 is slidably connected inside the limit seat 8. A reinforcement rod 10 is hinged at the end of the limit block 9, and one end of the reinforcement rod 10 away from the limit block 9 is hinged to the reinforcement block 11;

[0042] Furthermore, the limit block 9 is a "convex" structure, the limit block 9 passes through the side wall of the limit seat 8, and the end of the limit seat 8 close to the positioning column 7 is open, so that the limit block 9 can be smoothly moved into the limit seat 8 and the limit block 9 is confined in the limit seat 8;

[0043] Furthermore, the reinforcement rod 10 is movably connected between the reinforcement block 11 and the limit block 9, and the reinforcement rod 10 is distributed in an inclined shape. The reinforcement rod 10 is used to reinforce and support the support column 12 to improve its firmness;

[0044] A positioning hole 24 is formed on the outer edge of the turntable 6, a spring 22 is connected to the inside of the support frame 2, and a positioning rod 23 is connected to the upper end of the spring 22;

[0045] Furthermore, the positioning rod 23 penetrates the support frame 2 and is slidably connected to the support frame 2. The positioning rod 23 and the positioning hole 24 are engaged with each other, and the position of the positioning rod 23 can be adjusted to achieve locking and unlocking of the turntable 6.

[0046] Specifically, the limit block 9 is slid into the limit seat 8, and the support column 12 is pushed synchronously, so that the slot 21 opened at the rear end of the mounting block 15 is stuck to the outside of the positioning column 7, and the limit block 9 slides in the limit seat 8, and the mounting block 15 is fixed to the turntable 6 with bolts. At the same time, the inclined reinforcement rod 10 supports and reinforces the support column 12, and then the positioning rod 23 can be pushed upward, and the positioning rod 23 stretches and stores force on the spring 22, and the positioning rod 23 is moved out of the positioning hole 24, the lock of the turntable 6 is released, and the rotating rod 5 is driven to rotate, so that the control The turntable 6 rotates, and the position of the support column 12 is adjusted according to the required bending angle of the metal pipe. The center line position of the support column 12 with a closer distance between adjacent positions is opposite to the bending pressure head 4, so that the metal pipe can be bent at a small angle, and the center line position of the support column 12 with a farther distance between adjacent positions is opposite to the bending pressure head 4, so that the metal pipe can be bent at a large angle. After the adjustment is completed, the push on the positioning rod 23 can be released, and the spring 22 can control the positioning rod 23 to move down and reset, and the positioning rod 23 is stuck in the positioning hole 24 at the corresponding position to lock the turntable 6;

[0047] The metal tube is placed on the support column 12 at the upper position, and the support column 12 at the same horizontal position above is used to support the metal tube. At the same time, the metal tube is clamped between the limit plates 16 to limit it. The distance between the limit plates 16 is adjustable to adapt to metal tubes of different sizes. The bidirectional screw rod 17 is rotated so that the bidirectional screw rod 17 controls the moving disk 18 connected to the outer thread to move in the opposite direction at the same time. The limit plates 16 connected to the outer side of the moving disk 18 by the connecting rod 19 move synchronously, so that the distance between the limit plates 16 can be adjusted, the metal tube is limited on the support column 12, the hydraulic rod 3 is opened, and the bending pressure head 4 is pushed down, and the bending pressure head 4 can be bent to the metal tube. The metal tube is pressed to be processed into a metal bent tube. When the metal tube is bent, the positions of the two ends of the metal tube are moved, and the support column 12 is forced to rotate. At this time, the first limit ring 13 and the second limit ring 14 installed at the two ends of the support column 12 rotate in the reinforcement block 11 and the installation block 15 respectively, to ensure the stable rotation of the support column 12 and reduce the friction between the support column 12 and the metal tube. After the metal tube is bent, the hydraulic rod 3 can be controlled to drive the bending pressure head 4 to move upward, so that the metal bent tube can be removed, and other metal tubes can continue to be bent. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0048] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0049] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A metal tube bending machine with adjustable bending degree, comprising a workbench (1), characterized in that: A support frame (2) is installed at the rear of the workbench (1), a hydraulic rod (3) is installed above the support frame (2), and a bending pressure head (4) is connected to the output end of the hydraulic rod (3); The support frame (2) is rotatably connected with a rotating rod (5), a rotating disk (6) is installed at the end of the rotating rod (5), a positioning column (7) is installed on the front side of the rotating disk (6), a mounting block (15) is sleeved on the outer side of the positioning column (7), a slot (21) is provided at the rear end of the mounting block (15), and the mounting block (15) and the rotating disk (6) are fixed by bolts; The inner side of the mounting block (15) is slidably connected to a second limiting ring (14), the inner side of the second limiting ring (14) is connected to a support column (12), a first limiting ring (13) is installed at the front end of the support column (12), a reinforcement block (11) is arranged on the outer side of the first limiting ring (13), and a limiting plate (16) is sleeved on the outer side of the support column (12); The support column (12) is provided with an adjustment component adapted to the outer diameter of the metal tube to limit its position; A limit seat (8) is installed on the front side of the rotating disk (6), the limit seat (8) is internally slidably connected to a limit block (9), a reinforcing rod (10) is hingedly connected to the end of the limit block (9), and one end of the reinforcing rod (10) away from the limit block (9) is hingedly connected to the reinforcing block (11); The outer edge of the rotating disk (6) is provided with a positioning hole (24), the interior of the supporting frame (2) is connected with a spring (22), and the upper end of the spring (22) is connected with a positioning rod (23).

2. The metal tube bending machine with adjustable bending degree according to claim 1 is characterized in that: The adjustment assembly comprises a bidirectional screw rod (17) rotatably connected to the inside of a support column (12); the outer side of the bidirectional screw rod (17) is threadedly connected to a movable disk (18); the outer edge of the movable disk (18) is connected to a connecting rod (19); a limiting plate (16) is installed at one end of the connecting rod (19) away from the movable disk (18); and a through groove (20) is provided on the outer wall of the support column (12).

3. The metal tube bending machine with adjustable bending degree according to claim 1 is characterized in that: The limit block (9) is a "convex" structure, and the limit block (9) passes through the side wall of the limit seat (8), and the end of the limit seat (8) close to the positioning column (7) is open.

4. The metal tube bending machine with adjustable bending degree according to claim 1 is characterized in that: The reinforcing rod (10) is movably connected between the reinforcing block (11) and the limiting block (9), and the reinforcing rod (10) is distributed in an inclined shape.

5. The metal tube bending machine with adjustable bending degree according to claim 1 is characterized in that: The support column (12) forms a rotating structure with the reinforcement block (11) and the mounting block (15) respectively through a first limiting ring (13) and a second limiting ring (14); the reinforcement block (11) is in a circular ring shape.

6. The metal tube bending machine with adjustable bending degree according to claim 2, characterized in that: The limiting plate (16) and the movable plate (18) are connected via a connecting rod (19), and the connecting rod (19) passes through the through slot (20) and is slidably connected to the through slot (20).

7. The metal tube bending machine with adjustable bending degree according to claim 2 is characterized in that: The threads of the front and rear sections of the bidirectional screw rod (17) are distributed in opposite directions, and the sections of the bidirectional screw rod (17) with opposite thread distributions are both connected to a moving disk (18).

8. The metal tube bending machine with adjustable bending degree according to claim 1 is characterized in that: The positioning rod (23) passes through the support frame (2) and is slidably connected to the support frame (2), and the positioning rod (23) and the positioning hole (24) are mutually engaged.

9. The metal tube bending machine with adjustable bending degree according to claim 2, characterized in that: The height of the connecting rod (19) is greater than the depth of the through slot (20), and the connecting rod (19) is distributed at equal angles with respect to the transverse center line of the support column (12).

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