Novel steel pipe gang sawing machine structure

Abstract

The utility model relates to the technical field of steel pipe gang sawing machines, in particular to a novel steel pipe gang sawing machine structure which comprises a machine frame, a sawing transmission box, a main transmission system, a feeding system and a clamp system, the machine frame is provided with at least two stand columns which are oppositely arranged, and the sawing transmission box is located between the two stand columns. The saw cutting transmission box is in sliding connection with the stand column through a linear guide rail, a transmission mechanism, a jacking device and a saw blade are arranged in the saw cutting transmission box, the transmission mechanism drives the saw blade to rotate, and the jacking device jacks a bearing at the end of a transmission shaft in the transmission mechanism in the axial direction. According to the technical scheme, the problem that vibration of the saw blade is aggravated due to bolt looseness is solved, the end face of a cut steel pipe is smoother, the cutting quality of the steel pipe gang saw machine is improved, the service life of the steel pipe gang saw machine is prolonged, and the cutting precision is guaranteed.

Description

Technical Field

[0001] This utility model relates to the technical field of steel pipe gang saws, and in particular to a novel steel pipe gang saw structure. Background Technology

[0002] The steel pipe gang saw mainly consists of a single-column frame, a sawing transmission box, a main drive system, a feeding system, and a clamping system. Currently, most steel pipe gang saws have a sawing transmission box suspended on one side of the single-column frame via a linear guide rail. The feeding system provides power to drive the sawing transmission box to move up and down reciprocally. At the same time, the main drive system drives the saw blade to rotate, and together with the clamping system, they complete the steel pipe sawing work.

[0003] Chinese utility model patent CN 208195806 U discloses an automatic steel pipe cutting machine. While this structure can cut steel pipes, the resistance and vibration generated by the saw blade during cutting cause slight shaking in the sawing transmission box, which moves reciprocally up and down along the single-column frame. This shaking accelerates the loosening of screws inside the sawing transmission box, creating gaps between the various transmission shafts. This intensifies the vibration of the saw blade during cutting, resulting in uneven end faces of the cut steel pipes and affecting cutting accuracy. (Including the cited prior art...)

[0004] Therefore, it is necessary to propose a new type of steel pipe gang saw structure to improve cutting accuracy. Utility Model Content

[0005] The purpose of this invention is to solve the problem of low cutting accuracy caused by shaking and vibration during operation of existing steel pipe gang saws. A new type of steel pipe gang saw structure is provided.

[0006] The technical solution of this utility model is:

[0007] A novel steel pipe gang saw structure includes a frame, a sawing transmission box, a main drive system, a feeding system, and a clamping system. The frame is provided with at least two opposing columns, and the sawing transmission box is located between the two columns. The sawing transmission box and the columns are slidably connected by linear guide rails.

[0008] The sawing transmission box contains a transmission mechanism, a clamping device, and a saw blade. The transmission mechanism drives the saw blade to rotate, and the clamping device clamps the bearing at the end of the transmission shaft in the transmission mechanism axially.

[0009] Furthermore, the transmission mechanism includes an input gear shaft, a first transmission shaft, a second transmission shaft, and an output gear shaft. The input gear shaft meshes with the first transmission shaft, the first transmission shaft meshes with the second transmission shaft, and the second transmission shaft meshes with the output gear shaft. The output gear shaft is equipped with a saw blade. The input gear shaft is responsible for inputting power. The first and second transmission shafts achieve speed change through different transmission ratios, thereby transmitting power to the output gear shaft, which in turn drives the saw blade to rotate, ensuring that the saw blade speed is adjusted to meet the requirements.

[0010] Furthermore, the main drive system includes a base and a motor fixedly mounted on the base. The base is fixedly connected to the top of the sawing transmission box. The motor output shaft is fixedly connected to a drive pulley, and one end of the input gear shaft is fixedly connected to a driven pulley. The drive pulley and the driven pulley are driven by a synchronous belt. The motor drives the input gear shaft to rotate through the belt drive, thereby realizing the rotation of the saw blade on the sawing transmission box.

[0011] Furthermore, the feed system includes a servo motor, a gearbox, and a ball screw. The output end of the servo motor is connected to the input end of the gearbox, and the output end of the gearbox is connected to the ball screw. The ball screw drives the sawing transmission box to slide along the linear guide rail. Since two columns are symmetrically arranged on both sides of the sawing transmission box, it can ensure that the sawing transmission box is subjected to uniform force and reduce vibration and shaking.

[0012] Furthermore, the clamping system includes two sets of opposing cylinders and one set of opposing clamps. The clamps are slidably connected to the frame. The two sets of cylinders are located on both sides of the frame. The cylinders drive the clamps to move closer or further apart. The cylinders can drive the clamps to clamp the steel pipe, thereby fixing the steel pipe.

[0013] Furthermore, both the first and second drive shafts are gear shafts, which can cooperate with gears to form a speed-changing structure, making it convenient to adjust the speed of the saw blade.

[0014] Furthermore, the input gear shaft, the first drive shaft, the second drive shaft, and the output gear shaft are all rotatably connected to the housing of the sawing transmission box via bearings.

[0015] Furthermore, the clamping device is a pneumatic cylinder or a hydraulic cylinder.

[0016] This utility model discloses a novel steel pipe gang saw structure. Unlike the traditional single-column frame structure, it employs a double-column frame structure, with columns positioned on both sides of the sawing transmission box. This ensures force balance, eliminates the overturning moment present in single-column frame designs, and enhances the frame strength and rigidity of the steel pipe gang saw. Furthermore, the tightening device effectively ensures the real-time secure fastening of the transmission shaft within the sawing transmission box, significantly reducing vibration. Compared to traditional technologies, this solution avoids the problem of increased saw blade vibration due to loose bolts, resulting in a smoother cut steel pipe end face, improved cutting quality, extended service life, and guaranteed cutting accuracy. Attached Figure Description

[0017] Figure 1 This is the front view of the present utility model;

[0018] Figure 2 This is a top view of the present invention;

[0019] Figure 3 Left view of this utility model

[0020] Figure 4 This is a right view of the present invention;

[0021] Figure 5 This is a front view of the main drive system of this utility model;

[0022] Figure 6 This is a left view of the main drive system of this utility model;

[0023] Figure 7 This is a structural diagram of the sawing transmission box of this utility model;

[0024] Figure 8 This is a structural diagram of the feeding system of this utility model.

[0025] Reference numerals: 1. Frame; 2. Sawing transmission box; 3. Main drive system; 4. Feed system; 5. Clamping system; 6. Column; 7. Linear guide rail; 8. Clamping device; 9. Saw blade; 10. Input gear shaft; 11. First drive shaft; 12. Second drive shaft; 13. Output gear shaft; 14. Base; 15. Motor; 16. Drive pulley; 17. Driven pulley; 18. Servo motor; 19. Gearbox; 20. Ball screw; 21. Caliper; 22. Cylinder; 23. Bearing. Detailed Implementation

[0026] To make the technical means, technical features, utility model purpose and technical effects of this utility model easier to understand, the present utility model will be further described below with reference to specific illustrations.

[0027] Example 1:

[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this embodiment provides a novel steel pipe gang saw structure, including a frame 1, a sawing transmission box 2, a main transmission system 3, a feeding system 4, and a clamping system 5. The frame 1 has at least two opposing columns 6, which are fixedly connected to the frame 1 by screws. The sawing transmission box 2 is located between the two columns 6 and is slidably connected to the two columns 6 by linear guide rails 7. The sawing transmission box 2 is equipped with a transmission mechanism, a clamping device 8, and a saw blade 9. The transmission mechanism drives the saw blade 9 to rotate, and the clamping device 8 clamps the bearing at the end of the transmission shaft in the transmission mechanism axially. The transmission shaft refers to the output gear shaft 13. Preferably, the clamping device 8 is a pneumatic cylinder or a hydraulic cylinder, preferably a hydraulic cylinder. The clamping device clamps the bearing, thereby achieving axial clamping of the transmission shaft in the transmission mechanism, preventing gaps, ensuring that the saw blade 9 does not vibrate during cutting, and improving cutting accuracy.

[0029] Preferred, such as Figure 7 The transmission mechanism includes an input gear shaft 10, a first transmission shaft 11, a second transmission shaft 12, and an output gear shaft 13. The input gear shaft 10 meshes with the first transmission shaft 11 for transmission, the first transmission shaft 11 meshes with the second transmission shaft 12 for transmission, and the second transmission shaft 12 meshes with the output gear shaft 13 for transmission. The output gear shaft 13 is equipped with a saw blade 9. The input gear shaft 10 is responsible for inputting power. The first transmission shaft 11 and the second transmission shaft 12 achieve speed change through different transmission ratios, thereby transmitting power to the output gear shaft 13, which in turn drives the saw blade 9 to rotate, ensuring that the speed of the saw blade 9 is adjusted to meet the requirements.

[0030] Preferred, such as Figure 5 and Figure 6 The main drive system 3 includes a base 14 and a motor 15 fixedly mounted on the base 14 by screws. The base 14 is fixedly connected to the top of the sawing transmission box 2 by screws. The output shaft of the motor 15 is fixedly connected to the drive pulley 16 by screws. One end of the input gear shaft 10 is fixedly connected to the driven pulley 17 by screws. The drive pulley 16 and the driven pulley 17 are driven by a synchronous belt. The motor 15 drives the input gear shaft 10 to rotate through the belt drive, thereby realizing the rotation of the saw blade 9 on the sawing transmission box 2.

[0031] Preferred, such as Figure 8The feed system 4 includes a servo motor 18, a gearbox 19, and a ball screw 20. The output end of the servo motor 18 is connected to the input end of the gearbox 19 via a key. The output end of the gearbox 19 is connected to the ball screw 20 via a coupling or screw. The ball screw 20 drives the sawing transmission box 2 to slide along the linear guide rail 7. Since the two columns 6 are symmetrically arranged on both sides of the sawing transmission box 2, it can ensure that the sawing transmission box 2 is subjected to uniform force and reduce vibration and shaking.

[0032] Preferred, such as Figure 1 As shown, the clamping system 5 includes two sets of opposing cylinders 22 and one set of opposing clamps 21. The clamps 21 are slidably connected to the frame 1 via guide rails. The two sets of cylinders 22 are located on both sides of the frame 1. The cylinders 22 drive the clamps 21 to move closer or further away from each other. The cylinders 22 can drive the clamps 21 to clamp the steel pipe, thereby fixing the steel pipe.

[0033] Preferred, such as Figure 7 The first drive shaft 11 and the second drive shaft 12 are both gear shafts. The gear shafts can cooperate with gears to form a speed change structure, which makes it convenient to adjust the speed of the saw blade 9. Preferably, the input gear shaft 10, the first drive shaft 11, the second drive shaft 12 and the output gear shaft 13 are all rotatably connected to the sawing transmission box 2 through the bearing 23.

[0034] Working principle: such as Figure 1 As shown, the pipe is placed on the clamp 21, and the cylinder 22 drives the clamp 21 to clamp the pipe. The clamping device 8 works at this time, clamping the output gear shaft axially by clamping the bearing at the end of the output gear shaft, thus preventing vibration during the cutting of the saw blade 9. Then, the motor 15 drives the drive pulley 16 to rotate, which in turn drives the driven pulley to rotate. The power is then transmitted to the input gear shaft 10, and sequentially through the first drive shaft 11, the second drive shaft 12 and the output gear shaft 13 to drive the saw blade 9 to rotate. At the same time, the servo motor 18 on the feed system 4 drives the ball screw 20 through the gearbox 19, thereby driving the sawing transmission box 2 to descend. The rotating saw blade 9 gradually approaches the pipe on the clamp 21 and cuts the pipe. After the cutting is completed, the servo motor 18 runs in reverse, driving the sawing transmission box 2 to rise, so that the saw blade 9 gradually moves away from the pipe. Then the motor 15 stops working, and the cylinder 22 drives the clamp 21 to release the pipe, and the cutting of the pipe is completed.

[0035] This technical solution adopts a double-column frame 1 structure, unlike the previous single-column 6 frame 1 structure, which is located on both sides of the sawing transmission box 2. This ensures force balance, eliminates the overturning moment present in the single-column 6 frame 1 structure, and enhances the strength and rigidity of the steel pipe gang saw frame 1. Furthermore, the tightening device 8 can effectively ensure the tightness of the transmission shaft inside the sawing transmission box 2 in real time, effectively reducing the vibration of the sawing transmission box 2. Compared with traditional technology, this technical solution avoids the problem of increased vibration of the saw blade 9 due to loose bolts, resulting in a smoother cut steel pipe end face, improving the cutting quality of the steel pipe gang saw, extending the service life of the steel pipe gang saw, and ensuring cutting accuracy.

[0036] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. All equivalent changes and modifications made in accordance with the scope of the claims of this utility model should fall within the technical scope of this utility model.

Claims

1. A new type of steel pipe gang saw machine structure, comprising a frame (1), a sawing transmission box (2), a main transmission system (3), a feeding system (4) and a clamp system (5), characterized in that: The frame (1) is provided with at least two opposing columns (6), and the sawing transmission box (2) is located between the two columns (6). The sawing transmission box (2) and the columns (6) are slidably connected by a linear guide rail (7). The sawing transmission box (2) is equipped with a transmission mechanism, a clamping device (8) and a saw blade (9). The transmission mechanism drives the saw blade (9) to rotate, and the clamping device (8) clamps the bearing at the end of the transmission shaft in the transmission mechanism along the axial direction.

2. The novel steel pipe panel saw machine structure according to claim 1, characterized in that: The transmission mechanism includes an input gear shaft (10), a first transmission shaft (11), a second transmission shaft (12), and an output gear shaft (13). The input gear shaft (10) meshes with the first transmission shaft (11), the first transmission shaft (11) meshes with the second transmission shaft (12), the second transmission shaft (12) meshes with the output gear shaft (13), and a saw blade (9) is mounted on the output gear shaft (13).

3. The novel steel pipe panel saw machine structure according to claim 2, characterized in that: The main drive system (3) includes a base (14) and a motor (15) fixedly mounted on the base (14). The base (14) is fixedly connected to the top of the sawing transmission box (2). The output shaft of the motor (15) is fixedly connected to the drive pulley (16), and one end of the input gear shaft (10) is fixedly connected to the driven pulley (17). The drive pulley (16) and the driven pulley (17) are driven by a synchronous belt.

4. The novel steel pipe panel saw machine structure according to claim 1, characterized in that: The feed system (4) includes a servo motor (18), a gearbox (19) and a ball screw (20). The output end of the servo motor (18) is connected to the input end of the gearbox (19), and the output end of the gearbox (19) is connected to the ball screw (20). The ball screw (20) drives the sawing transmission box (2) to slide along the linear guide rail (7).

5. The novel steel pipe panel saw machine structure according to claim 1, characterized in that: The clamping system (5) includes two sets of opposing cylinders (22) and one set of opposing clamps (21). The clamps (21) are slidably connected to the frame (1). The two sets of cylinders (22) are located on both sides of the frame (1). The cylinders (22) drive the clamps (21) to move closer or further away from each other.

6. The novel steel pipe panel saw machine structure according to claim 2, characterized in that: Both the first drive shaft (11) and the second drive shaft (12) are gear shafts.

7. The novel steel pipe panel saw machine structure according to claim 2, characterized in that: The input gear shaft (10), the first transmission shaft (11), the second transmission shaft (12) and the output gear shaft (13) are all rotatably connected to the housing of the sawing transmission box (2) through bearings (23).

8. The novel steel pipe panel saw machine structure according to claim 1, characterized in that: The clamping device (8) is a pneumatic cylinder or a hydraulic cylinder.

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