Manufacturing and machining equipment for metal pipe

Abstract

The invention discloses manufacturing and processing equipment for a metal pipe, and relates to the technical field of metal pipe welding, the manufacturing and processing equipment comprises a mounting mechanism, and further comprises an obliquely upward gas supply mechanism which is mounted on the mounting mechanism and is used for obliquely upward supplying gas to the inner wall of the top of the metal pipe when the metal pipe is welded, so that argon rises along the inner wall of the top of the metal pipe to be in contact with a welding point; a small amount of argon is sprayed out by installing the obliquely upward gas supply mechanism, so that the argon is in direct contact with a welding point along the inner wall of the top of the metal pipe in a gas flow manner, the argon is consumed in the contact process, a large amount of argon does not need to be sprayed out to be gathered for use, the sprayed gas does not need to be in direct contact with the welding point, the use amount of the argon can be reduced, and the argon cost is saved; the rotary material supporting mechanism is installed to enable the metal pipe to rotate and incline, the inclined metal pipe utilizes the principle that the density of argon is larger than that of air, the amount of argon discharged from one end of the metal pipe is reduced, pressure sinks into the metal pipe to be reused, the utilization rate of the argon is increased, and the cost of the argon is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of metal pipe welding, and in particular to a manufacturing and processing equipment for metal pipes. Background Art

[0002] Stainless steel welding processing is to weld two sections of stainless steel pipes of the same diameter together to reach a specified length for use. When welding stainless steel, argon gas needs to be continuously added to avoid oxidation and affect the welding quality.

[0003] In the prior art, sufficient argon needs to be added into the metal tube during the initial welding, and then the argon is in contact with the welding position during welding to achieve welding protection. However, because too much argon is filled, a large amount of residue will appear inside the metal tube after the welding is completed, resulting in a waste of argon. Because one end of the metal tube is closed and the other end is open when the argon is supplied, as the gas is continuously filled in, the unused gas will emerge from the other end, resulting in a waste of argon. Summary of the invention

[0004] The present invention provides a manufacturing and processing equipment for metal pipes to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A manufacturing and processing device for a metal pipe comprises a mounting mechanism and also comprises: An oblique upward gas supply mechanism is installed on the mounting mechanism and is used to obliquely supply gas to the inner wall of the top of the metal pipe when the metal pipe is welded, so that the argon gas rises along the inner wall of the top of the metal pipe and contacts the welding point; The welding rotating mechanism is installed on the inclined upper air supply mechanism and is used to drive the metal pipe to rotate and change the welding position; A driving mechanism 1, which is installed on the oblique upper air supply mechanism and connected to the oblique upper air supply mechanism and the welding rotating mechanism, and is used to drive the oblique upper air supply mechanism and the welding rotating mechanism to operate; A rotating support mechanism, which is installed on the mounting mechanism and is used to drive the metal pipe to rotate; A clamping mechanism, which is installed on the rotating support mechanism and is used to clamp the metal pipe; The second driving mechanism is installed on one side of the rotating supporting mechanism and is connected to the rotating supporting mechanism and the clamping mechanism, and drives the rotating supporting mechanism and the clamping mechanism to operate; A welding mechanism, which is mounted on the clamping mechanism and is used to weld the metal pipe; The controller is installed on the installation mechanism and is electrically connected with the driving mechanism 1, the driving mechanism 2, the inclined gas supply mechanism and the welding mechanism.

[0006] Preferably, the mounting mechanism comprises a base, a support block is fixed on the top of the base, a slide rack is fixed on the top of the support block, and a mounting plate is fixed on the top of the base.

[0007] Preferably, the inclined air supply mechanism includes a mounting frame fixed to the top of the base, a guide rod 1 is fixed inside the mounting frame, a reciprocating screw 1 is rotatably connected inside the mounting frame, a one-way gear 1 is installed at one end of the reciprocating screw 1, a movable plate is provided on the external thread sleeve of the reciprocating screw 1, the movable plate is sleeved on the outside of the guide rod 1, a sealing block is fixed on one side of the guide rod 1, an electric air supply nozzle is obliquely fixed inside the sealing block, the electric air supply nozzle is electrically connected to the controller, and an argon gas supply device is externally connected to the electric air supply nozzle.

[0008] Preferably, the welding rotating mechanism comprises a rotating shaft 1 rotatably connected to the inside of the mounting frame, a rubber column is fixed to one end of the rotating shaft 1, and a one-way gear 2 is installed at the other end of the rotating shaft 1.

[0009] Preferably, the driving mechanism 1 includes a motor 1 fixed on one side of the mounting frame, a gear 1 is fixed to one end of the output shaft of the motor 1, the gear 1 is meshed with a one-way gear 1 and a one-way gear 2, and the motor 1 is electrically connected to the controller.

[0010] Preferably, the rotating support mechanism includes a support rod fixed inside the mounting plate, one end of the support rod is rotatably connected to a bracket, a bevel gear 1 is fixed to one side of the support rod, an L-shaped frame is fixed to the top of the bracket, the inside of the L-shaped frame is rotatably connected to a rotating shaft 2, a one-way gear 3 is fixed to the top of the rotating shaft 2, a bevel gear 2 is fixed to the bottom end of the rotating shaft 2, the bevel gear 2 is meshed with the bevel gear 1, and two limit frames 1 are fixed to the top of the bracket, a wheel groove 1 is provided on the inner wall of the limit frame 1, and a wheel 1 is rotatably connected to the inside of the wheel groove 1.

[0011] Preferably, the clamping mechanism includes a guide rod 2 fixed to one side of the bracket, one side of the bracket is rotatably connected to a reciprocating screw 2, a one-way gear 4 is installed on the outside of the reciprocating screw 2, a movable frame is sleeved on the outside of the reciprocating screw 2, and the movable frame is sleeved on the outside of the guide rod 2. Two limit frames 2 are fixed to the bottom of the movable frame, the inner wall of the limit frame 2 is provided with a wheel groove 2, the inside of the wheel groove 2 is rotatably connected to a wheel 2, and a docking limit plate is fixed to the bottom of the movable frame.

[0012] Preferably, the driving mechanism 2 includes a motor 2 fixed on one side of the bracket, a gear 2 is fixed to one end of the output shaft of the motor 2, the gear 2 is meshed with the one-way gear 3, the gear 2 is meshed with the one-way gear 4, and the motor 2 is electrically connected to the controller.

[0013] Preferably, the welding mechanism comprises an articulated frame fixed to one side of the movable frame, a welder is rotatably connected to the bottom of the articulated frame, and the welder is electrically connected to the controller.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention installs an oblique gas supply mechanism to spray a small amount of argon gas, so that the argon gas is in the form of a gas flow along the top inner wall of the metal pipe and directly contacts the welding point. The argon gas is consumed during the contact process, and there is no need to spray a large amount of argon gas for aggregation. The sprayed gas directly contacts the welding point, which can reduce the use of argon gas and save argon gas costs. 2. The present invention installs a rotating support mechanism to rotate and tilt the metal tube. The tilted metal tube uses the principle that the density of argon is greater than that of air to reduce the amount of argon discharged from one end of the metal tube, so that the pressure is deposited inside the metal tube for reuse, thereby improving the utilization rate of argon and reducing the cost of argon. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall first-view structure of a manufacturing and processing equipment for metal pipes proposed by the present invention.

[0016] Figure 2 This is a schematic diagram of the overall second-view structure of a manufacturing and processing equipment for metal pipes proposed by the present invention.

[0017] Figure 3 This is a schematic diagram of the overall third-view structure of a manufacturing and processing equipment for metal pipes proposed by the present invention.

[0018] Figure 4 The present invention provides a schematic structural diagram of an oblique upward air supply mechanism for metal tube manufacturing and processing equipment.

[0019] Figure 5 The present invention is a schematic structural diagram of a rotary support mechanism for metal pipe manufacturing and processing equipment.

[0020] In the figure: 1. Mounting mechanism; 11. Base; 12. Support block; 13. Sliding rack; 14. Mounting plate; 2. Inclined air supply mechanism; 21. Mounting rack; 22. Guide rod 1; 23. Reciprocating screw 1; 24. One-way gear 1; 25. Moving plate; 26. Sealing block; 27. Electric air supply nozzle; 3. Welding rotating mechanism; 31. Rotating shaft 1; 32. Rubber column; 33. One-way gear 2; 4. Driving mechanism 1; 41. Motor 1; 42. Gear 1; 5. Rotating support mechanism; 5 1. Support rod; 52. Bracket; 53. Bevel gear one; 54. L-shaped frame; 55. Rotating shaft two; 56. Bevel gear two; 57. One-way gear three; 58. Limit frame one; 6. Clamping mechanism; 61. Guide rod two; 62. Reciprocating screw two; 63. One-way gear four; 64. Moving frame; 65. Limit frame two; 66. Docking limit plate; 7. Driving mechanism two; 71. Motor two; 72. Gear two; 8. Controller; 9. Welding mechanism; 91. Articulated frame; 92. Welder. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected" and "connected" 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 it can be indirectly connected through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0024] Example: Refer to Figure 1-Figure 5 : A manufacturing and processing equipment for metal pipes, including a mounting mechanism 1, the mounting mechanism 1 includes a base 11, a support block 12 is fixed on the top of the base 11, a slide rack 13 is fixed on the top of the support block 12, and a mounting plate 14 is fixed on the top of the base 11.

[0025] Also includes: The oblique upward gas supply mechanism 2 is installed on the installation mechanism 1 and is used to obliquely supply gas to the inner wall of the top of the metal pipe when the metal pipe is welded, so that the argon gas rises along the inner wall of the top of the metal pipe and contacts the welding point; The inclined gas supply mechanism 2 includes a mounting frame 21 fixed on the top of the base 11, a guide rod 22 is fixed inside the mounting frame 21, a reciprocating screw 23 is rotatably connected inside the mounting frame 21, a one-way gear 24 is installed at one end of the reciprocating screw 23, a movable plate 25 is sleeved on the external thread of the reciprocating screw 23, the movable plate 25 is sleeved on the outside of the guide rod 22, a sealing block 26 is fixed on one side of the guide rod 22, an electric gas supply nozzle 27 is obliquely fixed inside the sealing block 26, the electric gas supply nozzle 27 is electrically connected to the controller 8, and an argon supply device is externally connected to the electric gas supply nozzle 27. The inclined gas supply mechanism moves the argon along the top inner wall of the metal tube so that the argon is in direct contact with the welding point for use.

[0026] The welding rotating mechanism 3 is installed on the inclined upper gas supply mechanism 2 and is used to drive the metal pipe to rotate and change the welding position; The welding rotating mechanism 3 includes a rotating shaft 31 rotatably connected to the inside of the mounting frame 21, a rubber column 32 is fixed to one end of the rotating shaft 31, and a one-way gear 2 33 is installed at the other end of the rotating shaft 31; The welding rotating mechanism drives the inclined metal pipe to rotate and changes the welding position of the metal pipe.

[0027] A driving mechanism 1 4, which is installed on the oblique upper air supply mechanism 2 and connected to the oblique upper air supply mechanism 2 and the welding rotating mechanism 3, and is used to drive the oblique upper air supply mechanism 2 and the welding rotating mechanism 3 to operate; The driving mechanism 14 includes a motor 141 fixed to one side of the mounting frame 21, and a gear 142 is fixed to one end of the output shaft of the motor 141. The gear 142 is meshed with the one-way gear 124 and the one-way gear 233. The motor 141 is electrically connected to the controller 8.

[0028] A rotating support mechanism 5, which is installed on the installation mechanism 1 and is used to drive the metal pipe to rotate; The rotating support mechanism 5 includes a support rod 51 fixed inside the mounting plate 14, one end of the support rod 51 is rotatably connected to a bracket 52, and there is friction between the bracket 52 and the support rod 51 to prevent the gravity of the metal pipe and other structures from causing rotation. A bevel gear 1 53 is fixed to one side of the support rod 51, an L-shaped frame 54 is fixed to the top of the bracket 52, and a rotating shaft 2 55 is rotatably connected inside the L-shaped frame 54, a one-way gear 3 57 is fixed to the top of the rotating shaft 2 55, and a bevel gear 2 56 is fixed to the bottom end of the rotating shaft 2 55, and the bevel gear 2 56 is meshed with the bevel gear 1 53, and two limit frames 1 58 are fixed to the top of the bracket 52, and a wheel groove 1 is provided on the inner wall of the limit frame 1 58, and a wheel 1 is rotatably connected inside the wheel groove 1; The rotating support mechanism makes the metal tube rotate and tilt. The tilted metal tube uses the principle that the density of argon is greater than that of air to reduce the amount of argon discharged from one end of the metal tube, so that the pressure is deposited inside the metal tube, thereby improving the utilization rate of argon and reducing the cost of argon.

[0029] A clamping mechanism 6, which is mounted on the rotating support mechanism 5 and is used to clamp the metal pipe; The clamping mechanism 6 includes a guide rod 61 fixed to one side of the bracket 52, a reciprocating screw 62 is rotatably connected to one side of the bracket 52, a one-way gear 63 is installed on the outside of the reciprocating screw 62, a moving frame 64 is sleeved on the outside of the reciprocating screw 62, the moving frame 64 is sleeved on the outside of the guide rod 61, two limiting frames 65 are fixed to the bottom of the moving frame 64, a wheel groove 2 is opened on the inner wall of the limiting frame 65, a wheel 2 is rotatably connected to the inside of the wheel groove 2, and a docking limiting plate 66 is fixed to the bottom of the moving frame 64; The clamping mechanism secures the metal tube to prevent shaking or movement during welding.

[0030] The second driving mechanism 7 is installed on one side of the rotating supporting mechanism 5, connected with the rotating supporting mechanism 5 and the clamping mechanism 6, and drives the rotating supporting mechanism 5 and the clamping mechanism 6 to operate; The driving mechanism 2 7 includes a motor 2 71 fixed on one side of the bracket 52, and a gear 2 72 is fixed to one end of the output shaft of the motor 2 71. The gear 2 72 is meshed with the one-way gear 3 57, and the gear 2 72 is meshed with the one-way gear 4 63. The motor 2 71 is electrically connected to the controller 8.

[0031] A welding mechanism 9, which is mounted on the clamping mechanism 6 and is used to weld the metal pipe; The welding mechanism 9 includes an articulated frame 91 fixed to one side of the movable frame 64 . A welder 92 is rotatably connected to the bottom of the articulated frame 91 . The welder 92 is electrically connected to the controller 8 .

[0032] The controller 8 is mounted on the mounting mechanism 1 and is electrically connected to the driving mechanism 1 4 , the driving mechanism 2 7 , the inclined gas supply mechanism 2 and the welding mechanism 9 .

[0033] Working principle: First, two sections of metal pipes are placed on the limiting frame 1 58 respectively, with the welding ends facing each other and contacting with the docking limiting plate 66, and then the motor 2 71 is started by the controller 8 to drive the gear 2 72 to reverse, and the reverse rotation of the gear 2 72 satisfies the direction of the one-way gear 4 63 driving the reciprocating screw 2 62 to rotate, and the reciprocating screw 2 62 rotates to make the moving frame 64 drive the limiting frame 2 65, the docking limiting plate 66, and the welding mechanism 9 to move downward, and the docking limiting plate 66 moves downward to make the two metal pipes face each other, and the welder 92 contacts with the tops of the two metal pipes, and then the limiting frame 2 65 and the limiting frame 1 58 clamp the metal pipes; Start the motor 2 71 to rotate forward, the forward rotation of the motor 2 71 satisfies the direction of the one-way gear 3 57 driving the rotating shaft 2 55 to rotate, the one-way gear 3 57 drives the rotating shaft 2 55 and the bevel gear 2 56 to rotate, the bevel gear 2 56 rotates and revolves around the bevel gear 1 53, so that the driving mechanism 2 7, the clamping mechanism 6, the welding mechanism 9 and the metal pipe and part of the rotating support mechanism 5 rotate, and the rotation stops after rotating the specified angle, at which time one side of the metal pipe contacts the rubber column 32, and one end is opposite to the inclined upper air supply mechanism 2, and then the motor 2 71 is turned off; The starter motor 41 drives the gear 42 to rotate forward, which satisfies the one-way gear 24 to drive the reciprocating screw 23 to rotate in the direction of rotation, so that the movable plate 25 pushes the sealing block 26 and the electric gas supply nozzle 27 to move, so that the electric gas supply nozzle 27 is inserted into the metal tube, and the sealing block 26 blocks one end of the metal tube. Then the electric gas supply nozzle 27 is turned on, and the argon supply equipment supplies the argon gas into the interior of the metal tube through the electric gas supply nozzle 27. The inclined electric gas supply nozzle 27 blows the gas to the top inner wall of the metal tube. Because the metal tube is inclined at this time, the filled gas will first contact the position where the welder 92 contacts the metal tube. Then, because the density of argon is higher than that of air, when the gas thrust ejected by the electric gas supply nozzle 27 is gone, it will sink along the inclined metal tube, reducing the amount of argon gas discharged from the other end, thereby improving the utilization rate of argon gas during welding, and at the time of gas supply. At the same time, start motor 141 to drive gear 142 to reverse. The reverse rotation of gear 142 satisfies the direction of rotation of the one-way gear 23 to drive the rotating shaft 131, so the rotating shaft 131 rotates and drives the metal tube to rotate through the rubber column 32. Because the rotation direction of the wheel is the same as the rotation direction of the metal tube, the metal tube can rotate when clamped. During the rotation, the welder 92 welds the weld. After one rotation, the welding is completed. Then motor 141 drives gear 142 to rotate forward, so that the moving plate 25 moved to the wire tail drives the sealing block 26 and the electric air supply nozzle 27 to reset. Then motor 271 rotates forward to make the metal tube continue to rotate. After rotating to a specified angle, start motor 271 to drive gear 27 to reverse, so that the moving frame 64 moves upward, releases the clamping of the metal tube, and the metal tube slides downward to the sliding frame 13 by its own gravity to complete the unloading. It will reset if it continues to rotate.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A manufacturing and processing device for metal pipes, comprising a mounting mechanism (1), characterized in that Also includes: An oblique upward gas supply mechanism (2) is mounted on the mounting mechanism (1) and is used to obliquely supply gas to the inner wall of the top of the metal tube when the metal tube is welded, so that the argon gas rises along the inner wall of the top of the metal tube and contacts the welding point; A welding rotating mechanism (3) is mounted on the inclined upper air supply mechanism (2) and is used to drive the metal pipe to rotate and change the welding position; A driving mechanism 1 (4), which is mounted on the oblique upper air supply mechanism (2) and connected to the oblique upper air supply mechanism (2) and the welding rotating mechanism (3), and is used to drive the oblique upper air supply mechanism (2) and the welding rotating mechanism (3) to operate; A rotating support mechanism (5), which is mounted on the mounting mechanism (1) and is used to drive the metal tube to rotate; A clamping mechanism (6), which is mounted on the rotating support mechanism (5) and is used to clamp the metal pipe; A second driving mechanism (7) is installed on one side of the rotating material supporting mechanism (5), connected to the rotating material supporting mechanism (5) and the clamping mechanism (6), and drives the rotating material supporting mechanism (5) and the clamping mechanism (6) to operate; A welding mechanism (9), which is mounted on the clamping mechanism (6) and is used to weld the metal pipe; A controller (8) is mounted on the mounting mechanism (1) and is electrically connected to the first drive mechanism (4), the second drive mechanism (7), the inclined upward air supply mechanism (2) and the welding mechanism (9).

2. The manufacturing and processing equipment for metal pipes according to claim 1, characterized in that: The mounting mechanism (1) comprises a base (11), a support block (12) is fixed on the top of the base (11), a slide frame (13) is fixed on the top of the support block (12), and a mounting plate (14) is fixed on the top of the base (11).

3. The manufacturing and processing equipment for metal pipes according to claim 2, characterized in that: The inclined upward gas supply mechanism (2) comprises a mounting frame (21) fixed to the top of the base (11), a guide rod (22) being fixed inside the mounting frame (21), a reciprocating screw (23) being rotatably connected inside the mounting frame (21), a one-way gear (24) being installed at one end of the reciprocating screw (23), a movable plate (25) being sleeved on the external thread of the reciprocating screw (23), the movable plate (25) being sleeved on the outside of the guide rod (22), a sealing block (26) being fixed on one side of the guide rod (22), an electric gas supply nozzle (27) being tiltedly fixed inside the sealing block (26), the electric gas supply nozzle (27) being electrically connected to the controller (8), and an argon gas supply device being externally connected to the electric gas supply nozzle (27).

4. The manufacturing and processing equipment for metal pipes according to claim 3, characterized in that: The welding rotating mechanism (3) comprises a rotating shaft (31) rotatably connected to the interior of the mounting frame (21), a rubber column (32) being fixed to one end of the rotating shaft (31), and a one-way gear (33) being mounted to the other end of the rotating shaft (31).

5. The manufacturing and processing equipment for metal pipes according to claim 4, characterized in that: The driving mechanism 1 (4) comprises a motor 1 (41) fixed to one side of the mounting frame (21); a gear 1 (42) is fixed to one end of the output shaft of the motor 1 (41); the gear 1 (42) is meshed with a one-way gear 1 (24) and a one-way gear 2 (33); and the motor 1 (41) is electrically connected to a controller (8).

6. The manufacturing and processing equipment for metal pipes according to claim 5, characterized in that: The rotating support mechanism (5) comprises a support rod (51) fixed inside the mounting plate (14); one end of the support rod (51) is rotatably connected to a bracket (52); a bevel gear 1 (53) is fixed to one side of the support rod (51); an L-shaped frame (54) is fixed to the top of the bracket (52); a rotating shaft 2 (55) is rotatably connected inside the L-shaped frame (54); a one-way gear 3 (57) is fixed to the top of the rotating shaft 2 (55); a bevel gear 2 (56) is fixed to the bottom end of the rotating shaft 2 (55); the bevel gear 2 (56) is meshed with the bevel gear 1 (53); two limiting frames 1 (58) are fixed to the top of the bracket (52); a wheel groove 1 is provided on the inner wall of the limiting frame 1 (58); a wheel 1 is rotatably connected inside the wheel groove 1.

7. The manufacturing and processing equipment for metal pipes according to claim 6, characterized in that: The clamping mechanism (6) comprises a guide rod (61) fixed to one side of a bracket (52); a reciprocating screw (62) is rotatably connected to one side of the bracket (52); a one-way gear (63) is installed on the outside of the reciprocating screw (62); a moving frame (64) is sleeved on the outside of the reciprocating screw (62); the moving frame (64) is sleeved on the outside of the guide rod (61); two limiting frames (65) are fixed to the bottom of the moving frame (64); a wheel groove (65) is formed on the inner wall of the limiting frame (65); a wheel groove (66) is rotatably connected to the inside of the wheel groove (6); and a docking limiting plate (66) is fixed to the bottom of the moving frame (64).

8. The manufacturing and processing equipment for metal pipes according to claim 7, characterized in that: The driving mechanism 2 (7) comprises a motor 2 (71) fixed to one side of the bracket (52), a gear 2 (72) being fixed to one end of the output shaft of the motor 2 (71), the gear 2 (72) being meshed with a one-way gear 3 (57), the gear 2 (72) being meshed with a one-way gear 4 (63), and the motor 2 (71) being electrically connected to a controller (8).

9. The manufacturing and processing equipment for metal pipes according to claim 8, characterized in that: The welding mechanism (9) comprises an articulated frame (91) fixed to one side of the movable frame (64); a welder (92) is rotatably connected to the bottom of the articulated frame (91); and the welder (92) is electrically connected to a controller (8).

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