Steel pipe cutting device

Abstract

The utility model discloses a steel pipe cutting device, which belongs to the technical field of steel pipe cutting and comprises a frame, a swing frame is rotatably mounted on the frame, one end of the swing frame is fixedly connected with a motor, the other end of the swing frame is fixedly connected with a cutting disc, and a transmission shaft is rotatably mounted on the side of the swing frame. A first bearing seat is fixedly connected to the outer portion of the motor, the transmission shaft is rotationally connected into the first bearing seat, a target steel pipe is erected on the rack and the movable frame, the cutting disc is pressed below the steel pipe, the motor acts on one end of the swing frame, the other end of the swing frame acts on the cutting disc upwards, and the cutting disc is pressed below the steel pipe. A working power source of the motor is switched on, the motor drives the transmission shaft to rotate, the transmission shaft drives the cutting disc to rotate, the cutting disc cuts along the lower portion of the steel pipe, meanwhile, the cutting disc drives the steel pipe to rotate, the cutting disc cuts a circle along the steel pipe, and cutting of the steel pipe is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe cutting, in particular to a steel pipe cutting device. Background Art

[0002] With the development of modern machining, the requirements for cutting quality and precision continue to increase. The need for improved production efficiency, reduced production costs, and highly intelligent automatic cutting functions is also increasing. The development of CNC cutting machines must adapt to the requirements of the modern machining industry. Cutting machines are categorized into flame cutting machines, plasma cutting machines, laser cutting machines, and water jet cutting machines.

[0003] Since the steel pipe is hollow and its overall diameter is much larger than that of the steel bar, conventional cutting machines need to cut around it, and manual cutting along the steel pipe is troublesome, which makes it difficult for conventional cutting machines to cut the steel pipe.

[0004] Therefore, we propose a steel pipe cutting device to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problem that conventional cutting machines are troublesome in cutting steel pipes, and proposes a steel pipe cutting device.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A steel pipe cutting device includes a frame, a swing frame rotatably mounted on the frame, one end of the swing frame is fixedly connected to a motor, the other end of the swing frame is fixedly connected to a cutting disc, a transmission shaft is rotatably mounted on the side of the swing frame, the outside of the motor is fixedly connected to a first bearing seat, the transmission shaft is rotatably connected in the first bearing seat, the motor is connected to the cutting disc via the transmission shaft, a movable frame is provided on the outside of the frame, and a first rotating rod is rotatably connected to the frame. The target steel pipe is placed on the frame and the movable frame, the cutting disc is pressed under the steel pipe, the motor acts on one end of the swing frame so that the other end of the swing frame acts upward on the cutting disc so that the cutting disc is pressed under the steel pipe, the working power of the motor is turned on, the motor drives the transmission shaft to rotate, and the transmission shaft drives the cutting disc to rotate so that the cutting disc cuts along the bottom of the steel pipe, and the cutting disc drives the steel pipe to rotate so that the cutting disc cuts one circle along the steel pipe, thereby facilitating the cutting of the steel pipe.

[0008] Preferably, the frame includes a first frame body, a fixed shaft and a stopper, wherein the fixed shaft is fixedly connected to the upper end of the first frame body, and the stopper is fixedly connected to the outer end of the fixed shaft. The fixed shaft is used to guide the swing frame to swing.

[0009] Preferably, the frame further comprises a reinforcement rod, which is fixedly connected to the lower portion of the first frame body, so as to increase the stability of the lower structure of the first frame body.

[0010] Preferably, the movable frame includes a second frame body and a second rotating rod, wherein the second rotating rod is rotatably mounted on the upper portion of the second frame body, and the second rotating rod is used to guide the self-rotation of the steel pipe.

[0011] Preferably, the swing frame includes a third frame and a second bearing seat, and the second bearing seat is fixedly connected to the third frame. The gravity of the motor acts on the third frame, causing the third frame to drive the cutting disc upward, making it easier for the cutting disc to act under the steel pipe, so that the cutting disc rotates to cut the steel pipe.

[0012] Preferably, the cutting disc includes an abrasive disc, a pulley, a rotating shaft, and a first helical gear. The pulley and abrasive disc are fixedly connected to the exterior of the rotating shaft, and the first helical gear is fixedly connected to a side end of the rotating shaft. The transmission shaft drives the rotating shaft to rotate via the first helical gear, which in turn drives the pulley and abrasive disc to rotate via the rotating shaft, thereby facilitating the rotation of the abrasive disc to cut the steel pipe.

[0013] Preferably, the transmission shaft includes a shaft body and second helical gears, wherein the second helical gears are symmetrically fixedly connected to both ends of the shaft body. A motor is used to drive one of the second helical gears to rotate, which in turn drives the other second helical gear to rotate via the shaft body, and the cutting disk is driven by the other second helical gear to rotate, thereby facilitating the motor to drive the cutting disk to rotate.

[0014] In summary, the technical effects and advantages of the utility model are:

[0015] 1. Place the target steel pipe on the frame and the movable frame, press the cutting disc under the steel pipe, use the motor to act on one end of the swing frame, so that the other end of the swing frame acts upward on the cutting disc, so that the cutting disc is pressed under the steel pipe, turn on the working power of the motor, use the motor to drive the transmission shaft to rotate, and drive the cutting disc to rotate through the transmission shaft, so that the cutting disc cuts along the bottom of the steel pipe. At the same time, use the cutting disc to drive the steel pipe to rotate, so that the cutting disc cuts along the steel pipe for a circle, which is convenient for cutting steel pipes.

[0016] 2. Use the gravity of the motor to act on the third frame, so that the third frame drives the cutting disc to tilt upward, making it easier for the cutting disc to act under the steel pipe, so that the cutting disc can rotate and cut the steel pipe.

[0017] 3. The transmission shaft drives the rotating shaft to rotate through the first bevel gear, and the rotating shaft drives the leather wheel and the sanding disc to rotate, making it convenient for the sanding disc to rotate and cut the steel pipe.

[0018] 4. Use the motor to drive one of the second bevel gears to rotate, drive the other second bevel gear to rotate through the shaft, and drive the cutting disk to rotate through the other second bevel gear, so that the motor can drive the cutting disk to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the frame structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the movable frame structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the swing frame structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the cutting disc structure of the present utility model;

[0024] Figure 6 This is a schematic diagram of the transmission shaft structure of the present utility model.

[0025] In the figure: 1. Motor; 2. Frame; 3. Movable frame; 4. Swinging frame; 5. Cutting disc; 6. Transmission shaft; 7. First bearing seat; 8. First rotating rod; 21. First frame; 22. Fixed shaft; 23. Stop block; 24. Reinforcement rod; 31. Second frame; 32. Second rotating rod; 41. Third frame; 42. Second bearing seat; 51. Pulley; 52. Sanding disc; 53. Rotating shaft; 54. First bevel gear; 61. Shaft; 62. Second bevel gear. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0027] Reference Figure 1 A steel pipe cutting device includes a frame 2, on which a swing frame 4 is rotatably mounted. One end of the swing frame 4 is fixedly connected to a motor 1, and the other end of the swing frame 4 is fixedly connected to a cutting disc 5. A transmission shaft 6 is rotatably mounted on the side of the swing frame 4. A first bearing seat 7 is fixedly connected to the outside of the motor 1, and the transmission shaft 6 is rotatably connected within the first bearing seat 7. The motor 1 is transmission-connected to the cutting disc 5 via the transmission shaft 6. A movable frame 3 is provided on the outside of the frame 2, and a first rotating rod 8 is rotatably connected to the frame 2. A steel pipe is rolled on the first rotating rod 8.

[0028] Reference Figure 1 and 2 The frame 2 includes a first frame body 21, a fixed shaft 22 and a stopper 23. The first rotating rod 8 is rotatably mounted on the first frame body 21. The fixed shaft 22 is fixedly connected to the upper end of the first frame body 21, and the stopper 23 is fixedly connected to the outer end of the fixed shaft 22. The fixed shaft 22 is used to guide the swing frame 4 to swing.

[0029] Reference Figure 1 and 2 The frame 2 further includes a reinforcing rod 24, which is fixedly connected to the lower portion of the first frame 21. The reinforcing rod 24 is used to increase the stability of the lower structure of the first frame 21.

[0030] Reference Figure 1 and 3 The movable frame 3 includes a second frame body 31 and a second rotating rod 32. The second rotating rod 32 is rollingly supported under the steel pipe and rotatably mounted on the upper part of the second frame body 31. The second rotating rod 32 is used to guide the steel pipe to rotate.

[0031] Reference Figure 1 、 2 4, the swing frame 4 includes a third frame 41 and a second bearing seat 42. The third frame 41 is rotatably mounted on the fixed shaft 22, and the second bearing seat 42 is fixedly connected to the third frame 41. The second bearing seat 42 guides the rotation of the transmission shaft 6. The gravity of the motor 1 acts on the third frame 41, causing it to tilt the cutting disc 5 upward.

[0032] Reference Figure 1 、 4 5, the cutting disc 5 includes an abrasive disc 52, a pulley 51, a rotating shaft 53 and a first bevel gear 54. The rotating shaft 53 is rotatably mounted in the third frame 41. The pulley 51 and the abrasive disc 52 are fixedly connected to the outside of the rotating shaft 53. The first bevel gear 54 is fixedly connected to the side end of the rotating shaft 53. The transmission shaft 6 drives the rotating shaft 53 to rotate through the first bevel gear 54, and drives the pulley 51 and the abrasive disc 52 to rotate through the rotating shaft 53.

[0033] Reference Figure 1 、 4 , 5 and 6, the transmission shaft 6 includes a shaft body 61 and a second helical gear 62. The shaft body 61 is rotatably mounted within the first bearing seat 7 and the second bearing seat 42. One of the second helical gears 62 is engaged with the first helical gear 54, and the other second helical gear 62 is in transmission connection with the rotor of the motor 1. The second helical gears 62 are symmetrically fixedly connected to both ends of the shaft body 61. The motor 1 drives one of the second helical gears 62 to rotate, which in turn drives the other second helical gear 62 to rotate via the shaft body 61, and the cutting disk 5 is then driven to rotate via the other second helical gear 62.

[0034] Working principle: Place the target steel pipe on the frame 2 and the movable frame 3, press the cutting disc 5 under the steel pipe, use the motor 1 to act on one end of the swing frame 4, so that the other end of the swing frame 4 acts upward on the cutting disc 5, so that the cutting disc 5 is pressed under the steel pipe, turn on the working power of the motor 1, use the motor 1 to drive the transmission shaft 6 to rotate, and drive the cutting disc 5 to rotate through the transmission shaft 6, so that the cutting disc 5 cuts along the bottom of the steel pipe, and at the same time, use the cutting disc 5 to drive the steel pipe to rotate, so that the cutting disc 5 cuts along the steel pipe for one circle, thereby cutting the steel pipe.

[0035] The above is only a preferred specific implementation method of the utility model, but the scope of protection of the utility model is not limited to this. Any technician familiar with this technical field can make equivalent replacements or changes within the technical scope disclosed by the utility model based on the technical solution and utility model concept of the utility model, which should be covered by the scope of protection of the utility model.

[0036] The description briefly mentions the application direction of the utility model for the existing technology that is known to and has not been changed by those skilled in the art, and combines it with the utility model to form a complete technology; it avoids over-popularizing the technology familiar to those skilled in the art, and is used to assist those skilled in the art to quickly understand the main content of the utility model.

Claims

1. A steel pipe cutting device, characterized in that: The invention comprises a frame (2), a swing frame (4) is rotatably mounted on the frame (2), one end of the swing frame (4) is fixedly connected to a motor (1), the other end of the swing frame (4) is fixedly connected to a cutting disc (5), a transmission shaft (6) is rotatably mounted on the side of the swing frame (4), the outside of the motor (1) is fixedly connected to a first bearing seat (7), the transmission shaft (6) is rotatably connected in the first bearing seat (7), the motor (1) is transmission-connected to the cutting disc (5) via the transmission shaft (6), a movable frame (3) is provided on the outside of the frame (2), and a first rotating rod (8) is rotatably connected to the frame (2).

2. The steel pipe cutting device according to claim 1, characterized in that: The frame (2) comprises a first frame body (21), a fixed shaft (22) and a stopper (23), wherein the fixed shaft (22) is fixedly connected to the upper end of the first frame body (21), and the stopper (23) is fixedly connected to the outer end of the fixed shaft (22).

3. The steel pipe cutting device according to claim 2, characterized in that: The frame (2) further comprises a reinforcement rod (24), wherein the reinforcement rod (24) is fixedly connected to the lower part of the first frame body (21).

4. The steel pipe cutting device according to claim 1, characterized in that: The movable frame (3) comprises a second frame body (31) and a second rotating rod (32), wherein the second rotating rod (32) is rotatably mounted on the upper portion of the second frame body (31).

5. The steel pipe cutting device according to claim 1, characterized in that: The swing frame (4) comprises a third frame body (41) and a second bearing seat (42), and the second bearing seat (42) is fixedly connected to the third frame body (41).

6. The steel pipe cutting device according to claim 1, characterized in that: The cutting disc (5) comprises a sand disc (52), a pulley (51), a rotating shaft (53) and a first bevel gear (54); the pulley (51) and the sand disc (52) are fixedly connected to the outside of the rotating shaft (53); and the first bevel gear (54) is fixedly connected to the side end of the rotating shaft (53).

7. The steel pipe cutting device according to claim 1, characterized in that: The transmission shaft (6) comprises a shaft body (61) and a second helical gear (62), wherein the second helical gear (62) is symmetrically fixedly connected to both ends of the shaft body (61).

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