Automatic pipe bending assembly

Abstract

The utility model discloses an automatic pipe bending assembly which comprises a containing assembly which is arranged in a rotatable mode and used for containing an air conditioner pipe. The limiting assembly is used for being matched with the placing assembly to limit the non-bent part of the air conditioner pipe; the clamping assembly is in transmission connection with the placing assembly and is used for being matched with the placing assembly to limit the bent part of the air conditioner pipe; and the mounting seat is used for mounting the placing assembly and the limiting assembly. The placing assembly is in transmission connection with the mounting base, the limiting assembly and the placing assembly are used in cooperation to limit the non-bent portion of the air conditioner pipe, the clamping assembly and the placing assembly are used in cooperation to limit the bent portion of the air conditioner pipe, and therefore in the rotating process of the placing assembly, the clamping assembly can be driven to rotate at the same time, and the clamping effect is improved. The air conditioner pipe can be clamped in real time, and therefore the purpose of improving the air conditioner pipe bending quality and the production efficiency through automatic mechanism design is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioner bending technical field especially relates to a kind of automatic pipe bending assembly. BACKGROUND

[0002] Air conditioner pipe needs to be bent in manufacturing process, to meet the specific space layout requirement. The existing manual or semi-automatic pipe bending mode is not only inefficient, but also difficult to guarantee processing precision, especially in mass production environment is more obvious. Therefore, finding a kind of method that can improve pipe bending efficiency and ensure processing quality becomes urgent demand.

[0003] In order to realize efficient pipe bending operation, two common methods are mainly adopted in the industry at present: one is to use traditional manual operation, i.e. air conditioner pipe is bent according to the required angle by relying on manual operation, but such method is completely dependent on the experience and technical level of operator, and it often shows deficiency when facing complex shape pipe bending task. UTILITARY MODEL CONTENT

[0004] (I) utility model purpose

[0005] To solve the technical problems in the background art, the utility model provides an automatic pipe bending assembly, which is driven and connected with the mounting seat through the placement assembly, and the non-bent part of the air conditioner pipe is limited by the limiting assembly in cooperation with the placement assembly, and the bent part of the air conditioner pipe is limited by the clamping assembly in cooperation with the placement assembly, so that the clamping assembly is rotated at the same time in the rotating process of the placement assembly, to realize real-time clamping of the air conditioner pipe, so as to achieve the purpose of improving the pipe bending quality and production efficiency of air conditioner pipe through automatic mechanism design.

[0006] (II) technical scheme

[0007] The utility model provides an automatic pipe bending assembly, which comprises

[0008] The placement assembly is rotatably arranged, and is used for placing the air conditioner pipe.

[0009] The limiting assembly is used for limiting the non-bent part of the air conditioner pipe in cooperation with the placement assembly.

[0010] The clamping assembly is drivingly connected with the placement assembly, and is used for limiting the bent part of the air conditioner pipe in cooperation with the placement assembly.

[0011] The mounting seat is used for mounting the placement assembly and the limiting assembly.

[0012] Preferably, the placing assembly comprises a rotating table, a mounting base and a placing head, the rotating table is rotatably connected with the mounting base, the upper end of the rotating table is provided with a mounting table, the placing head is connected with the mounting table, the outer end surface of the placing head is provided with a first placing groove in communication with each other and used for placing the air conditioner pipe, and the mounting base is provided with a rotating unit used for driving the rotating table to rotate.

[0013] Preferably, the rotating unit comprises a mounting frame, a motor and a rotating shaft, the mounting frame is located below the rotating table and connected with the bottom end of the mounting base, the bottom end of the mounting frame is provided with the motor, one end of the rotating shaft is coaxially connected with the output shaft of the motor, the other end of the rotating shaft passes through the mounting frame and is coaxially connected with the rotating table, and the rotating shaft is rotatably connected with the mounting frame.

[0014] Preferably, the limiting assembly comprises a connecting plate, a first transmission block, a mounting block and a first limiting head, the connecting plate is connected with the mounting base, the first transmission block is slidably arranged on the connecting plate, the first limiting head is connected with the upper end of the first transmission block through the mounting block, the first limiting head is provided with a second placing groove, the first limiting head can be moved to the second placing groove to form a gap for accommodating the air conditioner pipe in cooperation with the first placing groove, and the bottom end of the connecting plate is provided with a first driving unit used for driving the first transmission block to move.

[0015] Preferably, the sliding rail is arranged on the upper end of the connecting plate, the bottom end of the first transmission block is provided with a sliding groove used for cooperating with the sliding rail, and the sliding rail is slidably arranged in the sliding groove and slidably connected with the first transmission block.

[0016] Preferably, the driving unit comprises a first mounting plate, a first cylinder, a first transmission head, a first connecting rod and a second connecting rod, the first mounting plate is connected with the bottom end of the connecting plate, the first cylinder is rotatably arranged on the first mounting plate, the telescopic rod of the first cylinder is arranged upwardly and connected with the first transmission head, the bottom end of the connecting plate is provided with a strip-shaped through hole, one end of the first connecting rod is rotatably connected with the inner wall of the strip-shaped through hole, the other end of the first connecting rod is rotatably connected with the first transmission head, one end of the second connecting rod is drivingly connected with the first transmission head and the first connecting rod respectively, and the other end of the second connecting rod passes through the strip-shaped through hole and is rotatably connected with the bottom end of the first transmission block.

[0017] Preferably, the first mounting head and the first mounting shaft are further arranged, one end of the first mounting head is connected with the fixed end of the first cylinder, the other end of the first mounting head is provided with a first through hole, one end of the first mounting shaft is connected with the first mounting plate, and the other end of the first mounting shaft is rotatably connected with the first mounting head.

[0018] Preferably, the clamping assembly comprises second mounting plates, a third connecting rod, a fourth connecting rod, a fifth connecting rod, a sixth connecting rod, a second transmission block and a second limiting head, the two second mounting plates are arranged at intervals and connected with the mounting table, the second transmission block is located between the two second mounting plates and slides in close contact with the second mounting plates, the third connecting rod is located between the two second mounting plates, one end of the third connecting rod is rotationally connected with the second mounting plate, and the other end of the third connecting rod is rotationally connected with the second transmission block, one end of the fourth connecting rod is rotationally connected with one end of the third connecting rod, one end of the fifth connecting rod is rotationally connected with the other end of the fourth connecting rod, one end of the sixth connecting rod is rotationally connected with the other end of the second transmission block away from the third connecting rod, the other end of the fifth connecting rod is rotationally connected with the second mounting plate, the other end of the sixth connecting rod is rotationally connected with the other end of the fifth connecting rod, a second pneumatic cylinder is rotationally arranged at the bottom end of the second mounting plate, a second transmission head is arranged on the piston rod of the second pneumatic cylinder, the second transmission head is rotationally connected with the fourth connecting rod and the fifth connecting rod respectively, and the second limiting head is connected with the upper end of the second transmission block through a transmission plate, and one end of the second limiting head facing the placing head is provided with a third placing groove.

[0019] Preferably, the third mounting plates are arranged at the bottom ends of the two second mounting plates, the second pneumatic cylinder is located between the two third mounting plates, the second mounting plates are provided with second through holes, the outer circumferential surface of the second pneumatic cylinder is provided with first blind holes corresponding to the second through holes, second mounting shafts are fixedly arranged in the first blind holes, and the second mounting shafts extend into the second through holes and are rotationally connected with the third mounting plates.

[0020] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0021] In the utility model, the placing assembly is in transmission connection with the mounting seat, the limiting assembly is used in cooperation with the placing assembly to limit the non-bent part of the air conditioner pipe, the clamping assembly is used in cooperation with the placing assembly to limit the bent part of the air conditioner pipe, so that the clamping assembly is rotated simultaneously in the rotating process of the placing assembly, the clamping of the air conditioner pipe is realized in real time, and the purpose of improving the air conditioner pipe bending quality and production efficiency through the automatic mechanism design is achieved. ACCURACY OF DRAWINGS

[0022] Figure 1 A structure schematic view of the automatic pipe bending assembly is provided in the utility model.

[0023] Figure 2 A front view structure schematic view of the automatic pipe bending assembly is provided in the utility model.

[0024] Figure 3 A structure schematic view of the limiting assembly in the limiting state of the automatic pipe bending assembly is provided in the utility model.

[0025] Figure 4The utility model provides a kind of automatic pipe bending assembly in idle state of structure schematic diagram of limiting assembly.

[0026] Figure 5 The utility model provides a kind of automatic pipe bending assembly in clamping state of structure schematic diagram of clamping assembly.

[0027] Figure 6 The utility model provides a kind of automatic pipe bending assembly in idle state of structure schematic diagram of clamping assembly

[0028] The drawing figure shows that 1 is mounting seat, 2 is rotary table, 3 is installation platform, 4 is placement head, 5 is connecting plate, 6 is slide rail, 7 is first transmission block, 8 is mounting block, 9 is first limit head, 10 is first mounting plate, 11 is first cylinder, 12 is first transmission head, 13 is first connecting rod, 14 is second connecting rod, 15 is first mounting head, 16 is first mounting shaft, 17 is second mounting plate, 18 is third mounting plate, 19 is second cylinder, 20 is second transmission head, 21 is third connecting rod, 22 is fourth connecting rod, 23 is fifth connecting rod, 24 is sixth connecting rod, 25 is second transmission block, 26 is transmission plate, 27 is second limit head, 28 is mounting frame, 29 is motor, 30 is rotary shaft. DETAILED DESCRIPTION

[0029] To make the purpose, technical scheme and advantage of the utility model more clear and apparent, below combining with specific embodiment and referring to drawing, the utility model is further detailed.This description is only exemplary, and is not to limit the scope of the utility model.In addition, in the following description, the description of known structure and technology is omitted, to avoid unnecessary confusion of the concept of the utility model.

[0030] In the description of utility model, it needs to be explained that the orientation or position relationship indicated by terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is based on the orientation or position relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not to indicate or imply that the indicated device or element must have a particular orientation, to be constructed and operated in a particular orientation, so it cannot be understood as the limitation of the utility model.In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, welding, riveting, bonding and the like, or detachable connection, threaded connection, key connection, pin connection and the like, or integrally connected; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] As shown in Figures 1-6 The utility model provides an automatic pipe bending assembly, including

[0033] Placing assembly, placing assembly can be rotatably arranged, for placing air conditioner pipe;

[0034] Limiting assembly, for cooperating with placing assembly and limiting air conditioner pipe non-bending part;

[0035] Clamping assembly, clamping assembly is transmission connection with placing assembly, for cooperating with placing assembly and limiting air conditioner pipe bending part;

[0036] Mounting seat 1, for installing placing assembly and limiting assembly.

[0037] In the utility model: placing assembly is transmission connection with mounting seat 1, limiting assembly is used in cooperation with placing assembly and limits air conditioner pipe non-bending part, clamping assembly is used in cooperation with placing assembly and limits air conditioner pipe bending part, so that in the rotation process of placing assembly, clamping assembly will be driven to rotate simultaneously, to realize the clamping of air conditioner pipe in real time, so as to reach the purpose that the quality and production efficiency of air conditioner pipe bending are improved through the design of automatic mechanism.

[0038] In an alternative embodiment, the placing assembly includes a rotating table 2, a mounting seat 1 and a placing head 4, the rotating table 2 is rotatably connected with the mounting seat 1, the upper end of the rotating table 2 is provided with a mounting table 3, the placing head 4 is connected with the mounting table 3, a first placing groove for placing air conditioner pipe is arranged on the outer end face of the placing head 4, a rotating unit for driving the rotating table 2 to rotate is arranged on the mounting seat 1, the air conditioner pipe can be preliminarily positioned through the first placing groove on the placing head 4, so as to facilitate subsequent clamping of the air conditioner pipe by the clamping assembly and the limiting assembly, and after the air conditioner pipe is limited by the limiting assembly and clamped by the clamping assembly, the rotating table 2 is driven to rotate, so as to drive the clamping assembly to rotate, thereby completing the bending of the air conditioner pipe, and the bending operation of the air conditioner pipe is completed in cooperation with the limiting assembly.

[0039] In an optional embodiment, the rotating unit comprises a mounting frame 28, a motor 29 and a rotating shaft 30, the mounting frame 28 is located below the rotating table 2 and connected with the bottom end of the mounting base 1, the bottom end of the mounting frame 28 is provided with the motor 29, one end of the rotating shaft 30 is coaxially connected with the output shaft of the motor 29, the other end of the rotating shaft 30 passes through the mounting frame 28 and is coaxially connected with the rotating table 2, the rotating shaft 30 is rotationally connected with the mounting frame 28, the rotating shaft 30 can be effectively driven to rotate by the motor 29, and the rotating shaft 30 rotates to drive the rotating table 2 to rotate.

[0040] In an optional embodiment, the limiting assembly comprises a connecting plate 5, a first transmission block 7, a mounting block 8 and a first limiting head 9, the connecting plate 5 is connected with the mounting base 1, the first transmission block 7 is slidably arranged on the connecting plate 5, the first limiting head 9 is connected with the upper end of the first transmission block 7 through the mounting block 8, the first limiting head 9 is provided with a second placing groove, the first limiting head 9 can be moved to the second placing groove to form a gap for accommodating the air conditioner pipe in cooperation with the first placing groove, the bottom end of the connecting plate 5 is provided with a first driving unit for driving the first transmission block 7 to move, the first transmission block 7 can be effectively driven to move by the first driving unit, and the first limiting head 9 is driven to move by the mounting block 8 when the first transmission block 7 moves, so that the second placing groove is moved to cooperate with the first placing groove to complete clamping of the air conditioner pipe.

[0041] In an optional embodiment, a sliding rail 6 is further included, the sliding rail 6 is arranged at the upper end of the connecting plate 5, the bottom end of the first transmission block 7 is provided with a sliding groove for cooperating with the sliding rail 6, the sliding rail 6 is slidably arranged in the sliding groove and is slidably connected with the first transmission block 7, and the first transmission block 7 can move more stably through cooperation of the sliding rail 6 and the sliding groove.

[0042] In an alternative embodiment, the driving unit comprises a first mounting plate 10, a first cylinder 11, a first transmission head 12, a first connecting rod 13 and a second connecting rod 14, the first mounting plate 10 is connected with the bottom end of the connecting plate 5, the first cylinder 11 is rotatably arranged on the first mounting plate 10, the telescopic rod of the first cylinder 11 is arranged upward and connected with the first transmission head 12, the bottom end of the connecting plate 5 is provided with a strip-shaped through hole, one end of the first connecting rod 13 is rotatably connected with the inner wall of the strip-shaped through hole, the other end of the first connecting rod 13 is rotatably connected with the first transmission head 12, one end of the second connecting rod 14 is rotatably connected with the first transmission head 12 and the first connecting rod 13 respectively, the other end of the second connecting rod 14 passes through the strip-shaped through hole and is rotatably connected with the bottom end of the first transmission block 7, the first transmission head 12 is moved by the first cylinder 11, since the first cylinder 11 is rotatably arranged, the first cylinder 11 will rotate in the process of elongation of the first cylinder 11, and since the first connecting rod 13 is rotatably connected with the connecting plate 5, the first cylinder 11 elongation drives the first connecting rod 13 to make circular motion, thereby driving the second connecting rod 14 to move, and since one end of the second connecting rod 14 is rotatably connected with the first connecting rod 13, when the first connecting rod 13 makes circular motion, the end of the second connecting rod 14 connected with the first connecting rod 13 will change in the horizontal direction when the first connecting rod 13 moves, so that the end away from the first connecting rod 13 will also move in the horizontal direction, thereby driving the first transmission block 7 rotatably connected therewith to move.

[0043] In an alternative embodiment, the driving unit comprises a first mounting plate 10, a first cylinder 11, a first transmission head 12, a first connecting rod 13 and a second connecting rod 14, the first mounting plate 10 is connected with the bottom end of the connecting plate 5, the first cylinder 11 is rotatably arranged on the first mounting plate 10, the telescopic rod of the first cylinder 11 is arranged upward and connected with the first transmission head 12, the bottom end of the connecting plate 5 is provided with a strip-shaped through hole, one end of the first connecting rod 13 is rotatably connected with the inner wall of the strip-shaped through hole, the other end of the first connecting rod 13 is rotatably connected with the first transmission head 12, one end of the second connecting rod 14 is rotatably connected with the first transmission head 12 and the first connecting rod 13 respectively, the other end of the second connecting rod 14 passes through the strip-shaped through hole and is rotatably connected with the bottom end of the first transmission block 7, the first transmission head 12 is moved by the first cylinder 11, since the first cylinder 11 is rotatably arranged, the first cylinder 11 will rotate in the process of elongation of the first cylinder 11, and since the first connecting rod 13 is rotatably connected with the connecting plate 5, the first cylinder 11 elongation drives the first connecting rod 13 to make circular motion, thereby driving the second connecting rod 14 to move, and since one end of the second connecting rod 14 is rotatably connected with the first connecting rod 13, when the first connecting rod 13 makes circular motion, the end of the second connecting rod 14 connected with the first connecting rod 13 will change in the horizontal direction when the first connecting rod 13 moves, so that the end away from the first connecting rod 13 will also move in the horizontal direction, thereby driving the first transmission block 7 rotatably connected therewith to move.

[0044] In an alternative embodiment, the clamping assembly comprises a second mounting plate 17, a third connecting rod 21, a fourth connecting rod 22, a fifth connecting rod 23, a sixth connecting rod 24, a second transmission block 25 and a second limiting head 27, the two second mounting plates 17 are spaced apart and connected with the mounting table 3, the second transmission block 25 is located between the two second mounting plates 17 and is in close sliding connection with them, the third connecting rod 21 is located between the two second mounting plates 17, one end of which is in rotational connection with the second mounting plate 17, and the other end is in rotational connection with the second transmission block 25, one end of the fourth connecting rod 22 is in rotational connection with one end of the third connecting rod 21, one end of the fifth connecting rod 23 is in rotational connection with the other end of the fourth connecting rod 22, one end of the sixth connecting rod 24 is in rotational connection with the end of the second transmission block 25 away from the third connecting rod 21, the other end of the fifth connecting rod 23 is in rotational connection with the second mounting plate 17, and the other end of the sixth connecting rod 24 is in rotational connection with the other end of the fifth connecting rod 23, and a second pneumatic cylinder 19 is rotatably arranged at the bottom end of the second mounting plate 17, a second transmission head 20 is arranged on the telescopic rod of the second pneumatic cylinder 19, the second transmission head 20 is in rotational connection with the fourth connecting rod 22 and the fifth connecting rod 23 respectively, the second limiting head 27 is connected with the upper end of the second transmission block 25 through a transmission plate 26, and the end of the second limiting head 27 facing the placing head 4 is provided with a third placing groove. The second pneumatic cylinder 19 drives the second transmission head 20 to move, thereby driving the third connecting rod 21, the fourth connecting rod 22 and the fifth connecting rod 23 to move correspondingly, and the fifth connecting rod 23 moves to drive the sixth connecting rod 24 to move, the second transmission block 25 moves under the action of the third connecting rod 21 and the sixth connecting rod 24, thereby driving the second limiting head 27 to move through the second transmission block 25 through the transmission plate 26, and because the second transmission head 20 drives the third connecting rod 21 and the fifth connecting rod 23 to make circular motion, the second transmission block 25 makes arc motion under the action of the fourth connecting rod 22 and the sixth connecting rod 24 while keeping horizontal, thereby making the second limiting head 27 make arc motion through the transmission plate 26 and the second transmission block 25, so that the second limiting head 27 does not come into contact with the air conditioner pipe when clamping the air conditioner pipe with the placing head 4, thereby effectively preventing the second limiting head 27 from damaging the air conditioner pipe when clamping the workpiece with the placing head 4.

[0045] In an alternative embodiment, the subject also comprises a third mounting plate 18, the two third mounting plates 18 are respectively connected with the bottom ends of the two second mounting plates 17, the second pneumatic cylinder 19 is located between the two third mounting plates 18, the third mounting plate 18 is provided with a second through hole, the outer peripheral surface of the second pneumatic cylinder 19 is provided with a first blind hole corresponding to the second through hole, a second mounting shaft is fixedly arranged in the first blind hole, the second mounting shaft extends into the second through hole and is in rotational connection with the third mounting plate 18, and the second pneumatic cylinder 19 can effectively complete the rotational connection with the third mounting plate 18 through the second mounting shaft, thereby completing the rotational connection with the second mounting plate 17.

[0046] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all changes and modifications falling within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. An automatic pipe bending assembly, characterized in that: include A placement component, which is rotatable and used to place the air conditioning pipe; A limiting component, used to cooperate with the placement component to limit the non-bending portion of the air-conditioning pipe; A clamping assembly, the clamping assembly being in transmission connection with the placing assembly and being used to cooperate with the placing assembly to limit the bending portion of the air-conditioning pipe; The mounting seat (1) is used for mounting the placement component and the limiting component.

2. The automatic pipe bending assembly according to claim 1, characterized in that: The placement assembly comprises a rotating table (2), a mounting seat (1) and a placement head (4); the rotating table (2) is rotatably connected to the mounting seat (1); a mounting table (3) is provided at the upper end of the rotating table (2); the placement head (4) is connected to the mounting table (3); a first placement groove that is interconnected and used to place an air-conditioning pipe is provided on the outer end surface of the placement head (4); and a rotating unit for driving the rotating table (2) to rotate is provided on the mounting seat (1).

3. The automatic pipe bending assembly according to claim 2, characterized in that: The rotating unit comprises a mounting frame (28), a motor (29) and a rotating shaft (30); the mounting frame (28) is located below the rotating platform (2) and is connected to the bottom end of the mounting seat (1); the bottom end of the mounting frame (28) is provided with a motor (29); one end of the rotating shaft (30) is coaxially connected to the output shaft of the motor (29); the other end of the rotating shaft (30) passes through the mounting frame (28) and is coaxially connected to the rotating platform (2); the rotating shaft (30) is rotatably connected to the mounting frame (28).

4. The automatic pipe bending assembly according to claim 2, characterized in that: The limiting assembly comprises a connecting plate (5), a first transmission block (7), a mounting block (8) and a first limiting head (9); the connecting plate (5) is connected to the mounting seat (1); a first transmission block (7) is slidingly provided on the connecting plate (5); the first limiting head (9) is connected to the upper end of the first transmission block (7) through the mounting block (8); a second placement groove is provided on the first limiting head (9); the first limiting head (9) can be moved to the second placement groove and cooperate with the first placement groove to form a gap for accommodating an air-conditioning pipe; a first driving unit for driving the first transmission block (7) to move is provided at the bottom end of the connecting plate (5).

5. The automatic pipe bending assembly according to claim 4, characterized in that: It also includes a slide rail (6), which is arranged at the upper end of the connecting plate (5), and a slide groove for matching the slide rail (6) is provided at the bottom end of the first transmission block (7), and the slide rail (6) is slidably arranged in the slide groove and is slidably connected to the first transmission block (7).

6. The automatic pipe bending assembly according to claim 4, characterized in that: The driving unit comprises a first mounting plate (10), a first cylinder (11), a first transmission head (12), a first connecting rod (13) and a second connecting rod (14), wherein the first mounting plate (10) is connected to the bottom end of the connecting plate (5), the first cylinder (11) is rotatably arranged on the first mounting plate (10), the telescopic rod of the first cylinder (11) is arranged upward and connected to the first transmission head (12), the bottom end of the connecting plate (5) is provided with a strip through hole, one end of the first connecting rod (13) is rotatably connected to the inner wall of the strip through hole, the other end of the first connecting rod (13) is rotatably connected to the first transmission head (12), one end of the second connecting rod (14) is respectively transmission-connected to the first transmission head (12) and the first connecting rod (13), the other end of the second connecting rod (14) passes through the strip through hole and is rotationally connected to the bottom end of the first transmission block (7).

7. The automatic pipe bending assembly according to claim 6, characterized in that: It also includes a first mounting head (15) and a first mounting shaft (16), one end of the first mounting head (15) is connected to the fixed end of the first cylinder (11), the other end of the first mounting head (15) is provided with a first through hole, one end of the first mounting shaft (16) is connected to the first mounting plate (10), and the other end of the first mounting shaft (16) is rotatably connected to the first mounting head (15).

8. The automatic pipe bending assembly according to claim 2, characterized in that: The clamping assembly includes a second mounting plate (17), a third connecting rod (21), a fourth connecting rod (22), a fifth connecting rod (23), a sixth connecting rod (24), a second transmission block (25) and a second limit head (27). The two second mounting plates (17) are spaced apart and connected to the mounting platform (3). The second transmission block (25) is located between the two second mounting plates (17) and slides in contact with the second mounting plates. The third connecting rod (21) is located between the two second mounting plates (17), one end of which is rotatably connected to the second mounting plate (17), and the other end of which is rotatably connected to the second transmission block (25). One end of the fourth connecting rod (22) is rotatably connected to one end of the third connecting rod (21), and one end of the fifth connecting rod (23) is rotatably connected to the other end of the fourth connecting rod (22). One end of the sixth connecting rod (24) is rotatably connected to one end of the second transmission block (25) away from the third connecting rod (21), the other end of the fifth connecting rod (23) is rotatably connected to the second mounting plate (17), the other end of the sixth connecting rod (24) is rotatably connected to the other end of the fifth connecting rod (23), the bottom end of the second mounting plate (17) is rotatably provided with a second cylinder (19), the telescopic rod of the second cylinder (19) is provided with a second transmission head (20), the second transmission head (20) is rotatably connected to the fourth connecting rod (22) and the fifth connecting rod (23), respectively, the second limiting head (27) is connected to the upper end of the second transmission block (25) through a transmission plate (26), and the second limiting head (27) is provided with a third placement groove at one end facing the placement head (4).

9. The automatic pipe bending assembly according to claim 8, characterized in that: The invention also includes a third mounting plate (18), wherein the two third mounting plates (18) are respectively connected to the bottom ends of the two second mounting plates (17), and the second cylinder (19) is located between the two third mounting plates (18). A second through hole is provided on the third mounting plate (18), and a first blind hole corresponding to the second through hole is provided on the outer peripheral surface of the second cylinder (19). A second mounting shaft is fixed in the first blind hole, and the second mounting shaft extends into the second through hole and is rotatably connected to the third mounting plate (18).

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