Automatic cutting mechanism for steel pipes of different lengths and working method thereof

Abstract

The present invention relates to the field of stainless steel pipe cutting technology in the semiconductor industry, and in particular to an automatic cutting mechanism for steel pipes of different lengths, comprising a base, a slide electric cylinder, a guide rail, a feeding mechanism, a material stabilizing mechanism, a cutting mechanism, and a material receiving mechanism. The feeding mechanism and the material receiving mechanism are respectively arranged on both sides of the cutting mechanism. The feeding mechanism is used to convey the steel pipe along the guide rail to the cutting mechanism and control the cutting length. The material receiving mechanism is used to clamp the cut end of the steel pipe; the cutting mechanism is used to cut the steel pipe into a specified length; the material stabilizing mechanism is arranged between the feeding mechanism and the cutting mechanism, and cooperates with the feeding mechanism to ensure the stability of the steel pipe conveyance. The present invention can realize automated steel pipe cutting, uses a slide electric cylinder to control the length of the steel pipe, completes the steel pipe cutting, and the cutting length accuracy can reach 0.1mm. In addition, it can also meet the one-time feeding of long pipes and can automatically cut steel pipes of various lengths. While ensuring the length accuracy, the cutting efficiency is significantly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of stainless steel pipe cutting in the semiconductor industry, and in particular to an automatic cutting mechanism for steel pipes of different lengths and a working method thereof. Background Art

[0002] With the continuous advancement of science and technology, the semiconductor industry is booming. Stainless steel pipes are commonly used as important components in this industry. During mass production and processing, stainless steel pipes need to be cut into different lengths according to needs. Therefore, the length accuracy and cutting efficiency of steel pipe cutting are particularly important. In the existing technology, steel pipe cutting is done manually, which is not only inefficient but also has large manual errors, poor length precision control, and is time-consuming and labor-intensive. Summary of the Invention

[0003] In order to solve the above technical problems, the present invention discloses an automatic cutting mechanism for steel pipes of different lengths and a working method thereof.

[0004] The specific technical solutions are as follows:

[0005] A mechanism for automatically cutting steel pipes of different lengths, comprising a base, a slide electric cylinder, a guide rail, a feeding mechanism, a material stabilizing mechanism, a cutting mechanism and a material receiving mechanism, wherein the guide rail, the feeding mechanism, the material stabilizing mechanism, the cutting mechanism and the material receiving mechanism are all mounted on the base; the feeding mechanism and the material receiving mechanism are respectively arranged on both sides of the cutting mechanism, the feeding mechanism is used to convey the steel pipe along the guide rail to the cutting mechanism and control the cutting length, the material receiving mechanism is used to clamp the cut end of the steel pipe; the cutting mechanism is used to cut the steel pipe into a specified length; the material stabilizing mechanism is arranged between the feeding mechanism and the cutting mechanism, and cooperates with the feeding mechanism to ensure the stability of the steel pipe conveyance.

[0006] The feeding mechanism includes an electric cylinder, a feeding mounting plate, a feeding cylinder and a feeding clamp; the feeding clamp includes a pair, which are installed on the feeding clamp cylinder and are used to clamp the steel pipe. The feeding clamp cylinder is fixed on the feeding mounting plate, and the feeding mounting plate is fixed on the slide of the slide electric cylinder. The slide electric cylinder slides in cooperation with the guide rail to complete the pushing of the steel pipe of the required cutting length.

[0007] The material stabilizing mechanism includes a material stabilizing roller, a material feeding and stabilizing clamping cylinder and a material stabilizing support. The material stabilizing roller is a pair, and the upper and lower shafts are connected to the clamping claws of the material feeding and stabilizing clamping cylinder. The material feeding and stabilizing clamping cylinder is fixed on the material stabilizing support. The material stabilizing support is fixed on the base and is located on one side of the guide rail.

[0008] The material receiving mechanism includes a material receiving jaw, a material receiving jaw cylinder, a material receiving roller, a material receiving and stabilizing material receiving jaw cylinder, a material receiving base and a material receiving mounting plate; the material receiving base is fixed on the base and is located on one side of the guide rail; the material receiving jaw cylinder and the material receiving and stabilizing material receiving jaw cylinder are fixed side by side on the vertical material receiving mounting plate, and the material receiving mounting plate is fixed on the material receiving base; the material receiving jaws include a pair, which are installed upper and lower on the jaws of the material receiving jaw cylinder, and the material receiving rollers include a pair, and the upper and lower axes are connected to the jaws of the material receiving and stabilizing material receiving jaw cylinder.

[0009] The material stabilizing roller and the material receiving roller are provided with arc-shaped recesses inward along the circumference.

[0010] The cutting mechanism includes a mounting base, a cutting assembly and a knife retracting assembly, wherein the mounting base is fixed on the base;

[0011] The cutting assembly includes a cutter, a cutting drive servo motor, a cutting drive bracket and a pulley; the cutter includes a housing and a tool rotating component, a button is provided on the housing and is fixed to the mounting base, a drive shaft is provided at the eccentric position of the tool rotating component, a pulley and a cutting blade are installed on the drive shaft, and the center of the tool rotating component is aligned with the central axis of the steel pipe, the centers of the two stabilizing rollers and the centers of the two receiving clamps; a pulley is installed on the output shaft of the cutting drive servo motor and is connected to the pulley of the cutter through a toothed belt, the cutting drive servo motor is installed on the cutting drive bracket, and the cutting drive bracket is fixed to the mounting base;

[0012] The tool retraction assembly includes a clutch cylinder, an ear seat, a hinge pin 1, an articulated base, a hinge pin 2, an articulated bracket, a small gear, a large gear, a gear drive motor and an articulator; the clutch cylinder is fixed to the mounting base through the ear seat, the piston rod of the clutch cylinder is connected to one end of the articulator, and the other end of the articulator is hinged to one end of the L-shaped articulated bracket through a hinge pin 1; the other end of the articulated bracket is hinged to the articulated base through a hinge pin 2, and the articulated base is fixed to the mounting base; the gear drive motor is fixed to the articulated bracket, and the output shaft is connected to the small gear; the large gear is fixed to the tool rotating component, parallel and close to the small gear; the clutch cylinder and the gear drive motor are triggered by button control.

[0013] The button is triggered by a pressure block mechanism, which includes a retracting cylinder, a retracting pressure block, a pressure block connecting plate, a retracting bracket, a clutch cylinder, an ear seat, an articulated base, an articulated bracket, a hinge pin 1, a hinge pin 2, a small gear, a large gear, a gear drive motor and an articulator; the position of the retracting pressure block corresponds to the button, and is fixed to the telescopic end slider of the retracting cylinder through the pressure block connecting plate, and the retracting cylinder is fixed to the outer shell of the cutter through the retracting bracket.

[0014] The opening of the slide electric cylinder and the cylinders and motors in the feeding mechanism, material stabilizing mechanism, cutting mechanism and material receiving mechanism can all be automatically controlled by the computer.

[0015] A working method of an automatic cutting mechanism for steel pipes of different lengths, characterized in that it specifically comprises the following steps:

[0016] (1) First, insert one end of the steel pipe to be cut between the two stabilizing rollers, start the feeding stabilizing clamping claw cylinder, and the clamping claw of the feeding stabilizing clamping claw cylinder drives the two stabilizing rollers to clamp the steel pipe; the other end of the steel pipe is clamped on the feeding clamping claw, and the feeding clamping claw cylinder is started to drive the feeding clamping claw to clamp the steel pipe;

[0017] (2) Then start the slide electric cylinder to convey the steel pipe forward along the guide rail. With the cooperation of the material stabilizing mechanism, the steel pipe is stably fed into the cutting mechanism. At the same time, the material receiving and stabilizing clamping claw cylinder drives the receiving roller to clamp the steel pipe that has been pushed over, ensuring the stability of the steel pipe pushing process.

[0018] (3) When the cutting length is met, the cutting drive servo motor is started, the pulley installed on the output shaft rotates, and the pulley of the tool rotating component is driven to rotate through the toothed belt, thereby driving the drive shaft of the tool rotating component to rotate, and then driving the cutting knife to rotate and swing to one side of the steel pipe to complete the cutting;

[0019] (4) After the cutting is completed, the cutting drive servo motor is turned off, the cut steel pipe is taken out, the retraction cylinder is started, and the telescopic end slider drives the retraction pressure block to retract, pressing and triggering the retraction button;

[0020] (5) When the button is triggered, the gear drive motor and the clutch cylinder are started, the gear drive motor drives the small gear to rotate, the piston rod of the clutch cylinder extends, and drives the hinged bracket to swing, so that the small gear and the large gear that are close to each other are engaged. Under the transmission of the rotating small gear, the large gear swings, driving the cutting knife of the tool rotating component to swing in the opposite direction, completing the retraction and realizing one-time steel pipe cutting; during the cutting process, the material receiving clamp always clamps the steel pipe to ensure the stability of the steel pipe during the cutting process, completing one cutting process;

[0021] (6) Then the slide cylinder continues to drive the material, and the steel pipe is automatically advanced to the required length, and the next cutting process is cycled.

[0022] Compared with the prior art, the present invention has the following beneficial technical effects:

[0023] The present invention uses a feeding mechanism to transport steel pipes along guide rails to a cutting mechanism, controlling the cutting length. A feeding mechanism clamps the cut end of the steel pipe to ensure stability during cutting. The cutting mechanism is used to cut the steel pipe to a specified length. A stabilizing mechanism is located between the feeding and cutting mechanisms and cooperates with the feeding mechanism to ensure the stability of steel pipe transportation. This allows for automated steel pipe cutting, using a sliding electric cylinder to control the length of the steel pipe to complete the cutting process. Cutting length accuracy can reach 0.1mm. Furthermore, long pipes can be fed simultaneously, allowing for automatic cutting of various lengths. This significantly improves cutting efficiency while ensuring length accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 Schematic diagram of the three-dimensional structure of the automatic cutting mechanism of the present invention Figure 1 ;

[0025] Figure 2 Schematic diagram of the three-dimensional structure of the automatic cutting mechanism of the present invention Figure 2 ;

[0026] Figure 3 for Figure 1 The main view;

[0027] Figure 4 for Figure 1 A top view of

[0028] Figure 5 for Figure 1 A partial enlarged schematic diagram of the feeding mechanism at point A in the middle;

[0029] Figure 6 for Figure 1 A partial enlarged schematic diagram of the material stabilizing mechanism and cutting mechanism at B in the middle;

[0030] Figure 7 for Figure 1 A partial enlarged schematic diagram of the material receiving mechanism at position C in the middle;

[0031] Figure 8 Schematic diagram of the three-dimensional structure of the cutting mechanism of the present invention;

[0032] In the figure, 1. Base; 2. Slide electric cylinder; 3. Loading mounting plate; 4. Loading clamp cylinder; 5. Loading clamp; 6. Steel pipe; 7. Stabilizing roller; 8. Loading clamp cylinder; 9. Stabilizing support; 10. Feeding clamp; 11. Feeding clamp cylinder; 12. Feeding roller; 13. Feeding clamp cylinder; 14. Feeding base; 15. Feeding mounting plate; 16. Cutting drive servo motor; 17. Cutting drive bracket ; 18. Toothed belt; 19. Pulley; 20. Clutch cylinder; 21. Ear seat; 22. Hinge pin 1; 23. Articulated base; 24. Hinge pin 2; 25. Articulated bracket; 26. Small gear; 27. Mounting base; 28. Cutting knife; 29. ​​Large gear; 30. Retracting pressure block; 31. Pressure block connecting plate; 32. Retracting cylinder; 33. Retracting bracket; 34. Cutter; 35. Gear drive motor; 36. Articulator. DETAILED DESCRIPTION

[0033] The present invention will be further explained below with reference to the accompanying drawings, but the protection scope of the present invention is not limited to the accompanying drawings.

[0034] The opening of the slide electric cylinder 2 and the cylinders and motors in the feeding mechanism, the material stabilizing mechanism, the cutting mechanism, and the material receiving mechanism of the present invention can all be automatically controlled by a computer.

[0035] The automatic cutting mechanism for steel pipes of different lengths of the present invention includes a base 1, a slide electric cylinder 2, a guide rail, a feeding mechanism, a material stabilizing mechanism, a cutting mechanism and a material receiving mechanism. The guide rail, the feeding mechanism, the material stabilizing mechanism, the cutting mechanism and the material receiving mechanism are all installed on the base 1; the feeding mechanism and the material receiving mechanism are respectively arranged on both sides of the cutting mechanism, the feeding mechanism is used to convey the steel pipe 6 along the guide rail to the cutting mechanism and control the cutting length, and the material receiving mechanism is used to clamp the cut end of the steel pipe 6; the cutting mechanism is used to cut the steel pipe 6 into a specified length; the material stabilizing mechanism is arranged between the feeding mechanism and the cutting mechanism, and cooperates with the feeding mechanism to ensure the stability of the transmission of the steel pipe 6.

[0036] The feeding mechanism includes an electric cylinder 2, a feeding mounting plate 3, a feeding cylinder 4 and a feeding clamp 5; the feeding clamp 5 includes a pair of jaws, which are installed on the feeding clamp cylinder 4 and are used to clamp the steel pipe 6. The feeding clamp cylinder 4 is fixed on the feeding mounting plate 3, and the feeding mounting plate 3 is fixed on the slide of the slide electric cylinder 2. The slide electric cylinder 2 slides in cooperation with the guide rail to complete the pushing of the steel pipe of the required cutting length.

[0037] The material stabilizing mechanism includes a stabilizing roller 7, a feeding and stabilizing clamping cylinder 8 and a material stabilizing support 9. The stabilizing roller 7 includes a pair of upper and lower axes connected to the clamping jaws of the feeding and stabilizing clamping cylinder 8. The feeding and stabilizing clamping cylinder 8 is fixed on the material stabilizing support 9. The material stabilizing support 9 is fixed on the base 1 and is located on one side of the guide rail.

[0038] The material receiving mechanism includes a material receiving jaw 10, a material receiving jaw cylinder 11, a material receiving roller 12, a material receiving and stabilizing material receiving jaw cylinder 13, a material receiving base 14 and a material receiving mounting plate 15; the material receiving base 14 is fixed on the base 1 and is located on one side of the guide rail; the material receiving jaw cylinder 11 and the material receiving and stabilizing material receiving jaw cylinder 13 are fixed side by side on the vertical material receiving mounting plate 15, and the material receiving mounting plate 15 is fixed on the material receiving base 14; the material receiving jaw 10 includes a pair, which are installed upper and lower on the jaws of the material receiving jaw cylinder 11, and the material receiving roller 12 includes a pair, and the upper and lower axes are connected to the jaws of the material receiving and stabilizing material receiving jaw cylinder 13.

[0039] The material stabilizing roller 7 and the material receiving roller 12 have arc-shaped depressions inward along the circumference.

[0040] The cutting mechanism includes a mounting base 27, a cutting assembly and a retracting assembly, and the mounting base 27 is fixed on the base 1;

[0041] The cutting assembly includes a cutter 34, a cutting drive servo motor 16, a cutting drive bracket 17 and a pulley 19; the cutter 34 includes a housing and a tool rotating component, the housing is provided with a button and is fixed to the mounting base 27, a drive shaft is provided at the eccentric position of the tool rotating component, and a pulley 19 and a cutting blade 28 are mounted on the drive shaft, and the center of the tool rotating component is aligned with the central axis of the steel pipe 6, the centers of the two stabilizing rollers 7 and the centers of the two receiving clamps 10; the pulley 19 is installed on the output shaft of the cutting drive servo motor 16 and is connected to the pulley 19 of the cutter 34 via a toothed belt 18, the cutting drive servo motor 16 is mounted on the cutting drive bracket 17, and the cutting drive bracket 17 is fixed to the mounting base 27;

[0042] The tool retraction assembly includes a clutch cylinder 20, an ear seat 21, a hinge pin 1 22, an articulated base 23, a hinge pin 24, an articulated bracket 25, a small gear 26, a large gear 29, a gear drive motor 35 and an articulator 36; the clutch cylinder 20 is fixed to the mounting base 27 through the ear seat 21, the piston rod of the clutch cylinder 20 is connected to one end of the articulator 36, and the other end of the articulator 36 is hinged to one end of the L-shaped articulated bracket 25 through the hinge pin 1 22; the other end of the articulated bracket 25 is articulated to the articulated base 23 through the hinge pin 24, and the articulated base 23 is fixed to the mounting base 27; the gear drive motor 35 is fixed to the articulated bracket 25, and the output shaft is connected to the small gear 26; the large gear 29 is fixed to the tool rotating component, parallel to and close to the small gear 26; the clutch cylinder 20 and the gear drive motor 35 are triggered by button control.

[0043] The button is triggered by a pressure block mechanism, which includes a retracting cylinder 32, a retracting pressure block 30, a pressure block connecting plate 31, a retracting bracket 33, a clutch cylinder 20, an ear seat 21, a hinged base 23, a hinged bracket 25, a hinge pin 1 22, a hinge pin 24, a small gear 26, a large gear 29, a gear drive motor 35 and a hinge 36; the position of the retracting pressure block 30 corresponds to the button, and is fixed to the telescopic end slider of the retracting cylinder 32 through the pressure block connecting plate 31, and the retracting cylinder 32 is fixed to the outer shell of the cutter 34 through the retracting bracket 33.

[0044] The steps are as follows:

[0045] (1) First, insert one end of the steel pipe 6 to be cut between the two stabilizing rollers 7, start the feeding stabilizing clamping claw cylinder 8, and the clamping claw of the feeding stabilizing clamping claw cylinder 8 drives the two stabilizing rollers 7 to clamp the steel pipe 6; the other end of the steel pipe 6 is clamped on the feeding clamping claw 5, and the feeding clamping claw cylinder 4 is started to drive the feeding clamping claw 5 to clamp the steel pipe 6;

[0046] (2) Then start the slide electric cylinder 2 to convey the steel pipe 6 forward along the guide rail. With the cooperation of the material stabilizing mechanism, the steel pipe is stably fed into the cutting mechanism. At the same time, the material receiving and stabilizing clamping claw cylinder 13 drives the material receiving roller 12 to move and clamp the steel pipe 6 that has been pushed over, ensuring that the steel pipe 6 is pushed stably.

[0047] (3) When the cutting length is met, the cutting drive servo motor 16 is started, the pulley 19 installed on the output shaft rotates, and the pulley 19 of the tool rotating component is driven to rotate through the toothed belt 18, thereby driving the drive shaft of the tool rotating component to rotate, and then driving the cutting knife 28 to rotate and swing toward one side of the steel pipe 6 to complete the cutting;

[0048] (4) After the cutting is completed, the cutting drive servo motor 16 is turned off, the cut steel pipe is taken out, and the retraction cylinder 32 is started. The telescopic end slide drives the retraction pressure block 30 to retract, pressing and triggering the retraction button;

[0049] (5) When the button is triggered, the gear drive motor 35 and the clutch cylinder 20 are started, the gear drive motor 35 drives the small gear 26 to rotate, the piston rod of the clutch cylinder 20 extends, and drives the hinged bracket 25 to swing, thereby engaging the small gear 26 and the large gear 29 that are close to each other. Under the transmission of the rotating small gear 26, the large gear 29 swings, driving the cutting knife 28 of the tool rotating component to swing in the opposite direction, completing the retraction of the knife and realizing one-time steel pipe cutting; during the cutting process, the material receiving clamp 10 always clamps the steel pipe to ensure that the steel pipe 6 is stable during the cutting process, completing one cutting process;

[0050] (6) Then the slide cylinder 2 continues to drive the material, and the steel pipe 6 is automatically advanced to the required length, and the next cutting process is cycled.

Claims

1. An automatic cutting mechanism for steel pipes (6) of different lengths, characterized by: The automatic cutting mechanism comprises a base (1), a guide rail, a feeding mechanism, a material stabilizing mechanism, a cutting mechanism and a material receiving mechanism, wherein the guide rail, the feeding mechanism, the material stabilizing mechanism, the cutting mechanism and the material receiving mechanism are all mounted on the base (1); the feeding mechanism and the material receiving mechanism are respectively arranged on both sides of the cutting mechanism, the feeding mechanism is used to convey the steel pipe (6) along the guide rail to the cutting mechanism and control the cutting length, and the material receiving mechanism is used to clamp the cut end of the steel pipe (6); the cutting mechanism is used to cut the steel pipe (6) into a specified length; the material stabilizing mechanism is arranged between the feeding mechanism and the cutting mechanism, and cooperates with the feeding mechanism to ensure the stability of the steel pipe (6) conveyance; The feeding mechanism comprises a slide electric cylinder (2), a feeding mounting plate (3), a feeding clamping claw cylinder (4) and a feeding clamping claw (5); the feeding clamping claw (5) comprises a pair, which is mounted on the feeding clamping claw cylinder (4) and is used to clamp the steel pipe (6); the feeding clamping claw cylinder (4) is fixed on the feeding mounting plate (3), and the feeding mounting plate (3) is fixed on the slide of the slide electric cylinder (2); the slide electric cylinder (2) slides in cooperation with the guide rail to complete the pushing of the steel pipe (6) of the required cutting length; The material stabilizing mechanism comprises a material stabilizing roller (7), a material feeding and stabilizing clamping cylinder and a material stabilizing support (9), wherein the material stabilizing roller (7) is a pair, and the upper and lower shafts are connected to the clamping claws of the material feeding and stabilizing clamping cylinder, the material feeding and stabilizing clamping cylinder is fixed on the material stabilizing support (9), and the material stabilizing support (9) is fixed on the base (1) and is located on one side of the guide rail; The material receiving mechanism comprises a material receiving clamping jaw (10), a material receiving clamping jaw (10) cylinder, a material receiving roller (12), a material receiving and stabilizing material clamping jaw cylinder, a material receiving base (14) and a material receiving mounting plate (15); the material receiving base (14) is fixed on the base (1) and is located on one side of the guide rail; the material receiving clamping jaw (10) cylinder and the material receiving and stabilizing material clamping jaw cylinder are fixed in parallel on the vertical material receiving mounting plate (15), and the material receiving mounting plate (15) is fixed on the material receiving base (14); the material receiving clamping jaw (10) comprises a pair, which are mounted on the clamping jaws of the material receiving clamping jaw (10) cylinder from top to bottom; the material receiving roller (12) comprises a pair, whose upper and lower axes are connected to the clamping jaws of the material receiving and stabilizing material clamping jaw cylinder; The material stabilizing roller (7) and the material receiving roller (12) have arc-shaped depressions extending inward along the circumference; The cutting mechanism comprises a mounting base (27), a cutting assembly and a knife retracting assembly, wherein the mounting base (27) is fixed on the base (1); The cutting assembly comprises a cutter (34), a cutting drive servo motor (16), a cutting drive bracket (17) and a pulley (19); the cutter (34) comprises a housing and a tool rotating component, a button is provided on the housing and is fixed on a mounting base (27), a driving shaft is provided at an eccentric position of the tool rotating component, a pulley (19) and a cutting knife (28) are installed on the driving shaft, and the center of the tool rotating component is aligned with the central axis of the steel pipe (6), the center of two material stabilizing rollers (7) and the center of two material receiving clamps (10); the pulley (19) is installed on the output shaft of the cutting drive servo motor (16) and is connected to the pulley (19) of the cutter (34) through a toothed belt (18), the cutting drive servo motor (16) is installed on the cutting drive bracket (17), and the cutting drive bracket (17) is fixed on the mounting base (27); The tool retraction assembly comprises a clutch cylinder (20), an ear seat (21), a hinge pin 1 (22), an articulated base (23), a hinge pin 2 (24), an articulated bracket (25), a small gear (26), a large gear (29), a gear drive motor (35) and an articulator (36); the clutch cylinder (20) is fixed on the mounting base (27) through the ear seat (21), the piston rod of the clutch cylinder (20) is connected to one end of the articulator (36), and the other end of the articulator (36) is connected to the hinge pin 1 (22). The hinged end of the hinged bracket (25) is hinged to the hinged base (23) through the hinge pin 2 (24), and the hinged base (23) is fixed to the mounting base (27); the gear drive motor (35) is fixed to the hinged bracket (25), and the output shaft is connected to the small gear (26); the large gear (29) is fixed to the tool rotating component and is parallel to the small gear (26); the clutch cylinder (20) and the gear drive motor (35) are triggered by the button control; The button is triggered by a pressing block mechanism, which comprises a knife-retracting cylinder (32), a knife-retracting pressing block (30), a pressing block connecting plate (31), and a knife-retracting bracket (33); the knife-retracting pressing block (30) is positioned corresponding to the button and is fixed to the telescopic end slide block of the knife-retracting cylinder (32) through the pressing block connecting plate (31); the knife-retracting cylinder (32) is fixed to the outer shell of the cutter (34) through the knife-retracting bracket (33).

2. The automatic cutting mechanism for steel pipes (6) of different lengths according to claim 1, characterized in that: The opening of the slide electric cylinder (2) and the cylinders and motors in the feeding mechanism, the material stabilizing mechanism, the cutting mechanism, and the material receiving mechanism can all be automatically controlled by a computer.

3. The working method of the automatic cutting mechanism for steel pipes (6) of different lengths according to claim 1 is characterized in that: The specific steps include: (1) First, insert one end of the steel pipe (6) to be cut between the two stabilizing rollers (7), start the feeding stabilizing clamping claw cylinder, and the clamping claw of the feeding stabilizing clamping claw cylinder drives the two stabilizing rollers (7) to clamp the steel pipe (6); the other end of the steel pipe (6) is clamped on the feeding clamping claw (5), and the feeding clamping claw cylinder (4) is started to drive the feeding clamping claw (5) to clamp the steel pipe (6); (2) Then the slide electric cylinder (2) is started to convey the steel pipe (6) forward along the guide rail. With the cooperation of the material stabilizing mechanism, the steel pipe (6) is stably fed to the cutting mechanism. At the same time, the material receiving and stabilizing clamping claw cylinder drives the material receiving roller (12) to move, clamping the steel pipe (6) that has been pushed forward, ensuring the stability of the steel pipe (6) in the process of advancing. (3) When the cutting length is met, the cutting drive servo motor (16) is started, the pulley (19) installed on the output shaft rotates, and the pulley (19) of the tool rotating component is driven to rotate through the toothed belt (18), thereby driving the drive shaft of the tool rotating component to rotate, and then driving the cutting knife (28) to rotate and swing toward one side of the steel pipe (6) to complete the cutting; (4) After the cutting is completed, the cutting drive servo motor (16) is turned off, the cut steel pipe (6) is taken out, the retraction cylinder (32) is started, and the telescopic end slide drives the retraction pressure block (30) to retract, pressing and triggering the retraction button; (5) When the button is triggered, the gear drive motor (35) and the clutch cylinder (20) are started, the gear drive motor (35) drives the small gear (26) to rotate, the piston rod of the clutch cylinder (20) extends, and drives the hinge bracket (25) to swing, thereby engaging the small gear (26) and the large gear (29) that are close to each other in parallel. Under the transmission of the rotating small gear (26), the large gear (29) swings, driving the cutting knife (28) of the tool rotating component to swing in the opposite direction, completing the retraction of the knife and realizing one-time cutting of the steel pipe (6); during the cutting process, the material receiving clamp (10) always clamps the steel pipe (6) to ensure that the steel pipe (6) is stable during the cutting process, and one cutting process is completed; (6) Then the slide cylinder (2) continues to drive the material, and the steel pipe (6) automatically advances to the required length, and the next cutting process is cycled.

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