Steel pipe double-end automatic cutting device

By designing a double-head automatic cutting device for steel pipes, including straightening mechanism, cutting platform, guide roller and transfer device, the problem of the inability to cut both ends of steel pipes at the same time in the prior art is solved, and efficient and accurate cutting is achieved, which is suitable for large-scale industrial production.

CN222857311UActive Publication Date: 2025-05-13ZHEJIANG SANJI STEEL TUBE CO LTD
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Patent Information

Application Number
CN202421829318.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-05-13
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

The existing automatic steel pipe cutting device cannot cut both ends of steel pipes on the same equipment, resulting in low production efficiency and poor cutting accuracy, which affects product quality.

Method used

A double-head automatic cutting device for steel pipes is designed, including a straightening mechanism, a cutting platform, a guide roller and a transfer device. The straightening mechanism ensures the straightness of the steel pipe, and the guide roller and a transfer device ensure the correct trajectory and stability of the steel pipes during the cutting process, so as to achieve cutting at both ends.

Benefits of technology

It greatly improves cutting speed and production efficiency, ensures cutting accuracy, is suitable for large-scale industrial production, and avoids displacement and jitter during cutting.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222857311U_ABST
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Abstract

The utility model discloses a steel pipe double-end automatic cutting device which comprises a feeding platform, a straightening mechanism is arranged at one end of the feeding platform, a cutting platform is arranged on one side of the feeding platform, a first cutting machine is arranged at one end of the cutting platform, and a second cutting machine is arranged at the end, away from the first cutting machine, of the cutting platform. A first guide roller, a second guide roller and a third guide roller are sequentially arranged on the cutting platform, the first guide roller corresponds to the first cutting machine, the second guide roller corresponds to the second cutting machine, and a transfer device is further arranged on the cutting platform and comprises a transfer plate arranged in a rotating mode. An inclined plane part is arranged on the transfer plate, and the steel pipe can roll on the inclined plane part. Straightening and cutting of the two ends of the steel pipe can be completed in sequence, the cutting speed and the production efficiency are greatly improved, and meanwhile it is guaranteed that the steel pipe keeps a correct track in the cutting process.
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Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe processing, in particular to a double-head automatic cutting device for steel pipes. Background Art

[0002] The automatic steel pipe cutting device is a mechanical equipment that integrates automation and high-precision cutting functions. It is specially used for accurate and efficient cutting of steel pipes. This device is widely used in large-scale industrial production, significantly improving production efficiency and cutting accuracy.

[0003] The existing automatic steel pipe cutting device cannot cut both ends of the steel pipe on the same equipment. Multiple devices and multiple operations are required to complete the cutting of both ends, resulting in low production efficiency and unable to meet the needs of large-scale production. In addition, the steel pipe is prone to deviation and jitter during the cutting process, resulting in poor cutting accuracy and low incision quality, which affects product quality. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a double-head automatic cutting device for steel pipes, which can sequentially complete the straightening and cutting of the two ends of the steel pipes, greatly improving the cutting speed and production efficiency, while ensuring that the steel pipes maintain the correct trajectory during the cutting process.

[0005] In order to solve the above technical problems, the utility model provides a double-head automatic cutting device for steel pipes, comprising a loading platform, a straightening mechanism is provided at one end of the loading platform, a cutting platform is provided on one side of the loading platform, a first cutting machine is provided at one end of the cutting platform, and a second cutting machine is provided at the end of the cutting platform away from the first cutting machine. A first guide roller, a second guide roller and a third guide roller are sequentially provided on the cutting platform, the first guide roller is provided corresponding to the first cutting machine, the second guide roller is provided corresponding to the second cutting machine, and a transfer device is also provided on the cutting platform, the transfer device comprises a rotatably arranged transfer plate, the transfer plate is provided with an inclined portion, and the steel pipe can roll on the inclined portion.

[0006] The transfer device includes a transfer seat and a transfer shaft rotatably arranged on the transfer seat, the inclined portion is connected to the transfer shaft, a connecting rod is hinged on the transfer shaft, a synchronous wheel is hinged on one end of the connecting rod away from the transfer shaft, and the synchronous wheel rotates synchronously through a synchronous belt.

[0007] The transfer plate is provided with a first limiting groove and a second limiting groove, wherein the first limiting groove is arranged corresponding to the first guide roller, and the second limiting groove is arranged corresponding to the second guide roller.

[0008] The first limiting groove and the second limiting groove are both triangular in shape.

[0009] A first guide seat and a second guide seat are provided on the cutting platform, the first guide roller is connected to the first guide seat, the second guide roller is connected to the second guide seat, a first stepper motor is provided between the first guide seat and the second guide seat, the first stepper motor drives the first guide roller and the second guide roller to rotate; a third guide seat is also provided on the cutting platform, the third guide roller is connected to the third guide seat, a second stepper motor is provided on one side of the third guide seat, and the second stepper motor drives the third guide roller to rotate.

[0010] A feeding mechanism is also provided on the cutting platform, and the feeding mechanism includes a feeding cylinder and a horizontal slide rail. A horizontal slide rail is provided on the horizontal slide rail. The feeding cylinder drives the horizontal slide rail to move. A feeding bracket is provided on the horizontal slide rail. A clamping cylinder is provided on the feeding bracket. A clamping plate is connected to the clamping cylinder.

[0011] The loading platform is provided with a plurality of rollers, and one side of the loading platform is provided with a pushing device.

[0012] The pushing device comprises a pushing bracket fixed on the loading platform, a pushing cylinder is arranged on the pushing bracket, and a pushing plate is arranged on the pushing cylinder.

[0013] The straightening mechanism comprises an upper fixed seat and a lower fixed seat, wherein the upper fixed seat is provided with a plurality of upper straightening rollers, and the lower fixed seat is provided with a plurality of lower straightening rollers, and a straightening gap is formed between the upper straightening rollers and the lower straightening rollers.

[0014] The upper straightening roller and the lower straightening roller are arranged obliquely.

[0015] When the utility model is used, the steel pipe first passes through the straightening mechanism, and the steel pipe is straightened by the cooperation of the straightening roller to ensure the straightness of the steel pipe. Then, the steel pipe is loaded through the loading platform. The loading platform is provided with multiple rollers so that the steel pipe can roll smoothly to the straightening mechanism. The push cylinder drives the push plate to push the steel pipe to the cutting platform. The position and angle of the guide roller are adjusted by the precise control of the stepper motor, so as to ensure that the steel pipe maintains the correct trajectory and stability during the cutting process. The first guide roller guides the steel pipe to the first cutting machine at one end of the cutting platform and cuts one end of the steel pipe. Then, the transfer shaft drives the transfer plate to rotate, so that the steel pipe rolls along the inclined portion to the second guide roller. The second guide roller guides the steel pipe to the second cutting machine at the other end of the cutting platform and cuts the other end of the steel pipe. During the cutting process, the feeding cylinder drives the horizontal slider to move, driving the feeding bracket provided with a clamping cylinder and a clamping plate. The clamping cylinder clamps the steel pipe to ensure that the steel pipe does not move during the cutting process. After cutting is completed, the transfer plate continues to rotate, causing the steel pipe to roll onto the third guide roller for unloading.

[0016] The beneficial effects brought by the utility model are:

[0017] The utility model can sequentially complete the straightening of the steel pipe and the cutting of the two ends, greatly improving the cutting speed and production efficiency, and is suitable for large-scale industrial production.

[0018] The utility model ensures the straightness of the steel pipe through the straightening mechanism, and the guide roller accurately controls the position and trajectory of the steel pipe, thereby ensuring high cutting precision and reducing errors.

[0019] The feeding mechanism of the utility model ensures that the steel pipe remains stable during the cutting process, and the guide rollers and the limit grooves further ensure the stability of the steel pipe, thereby avoiding displacement and shaking during the cutting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a structural schematic diagram of the cutting platform of the utility model.

[0022] Figure 3 It is a top view of the cutting platform of the utility model.

[0023] Figure 4 It is a structural schematic diagram of the transfer device of the utility model.

[0024] Figure 5 It is a structural schematic diagram of the feeding mechanism of the utility model.

[0025] Figure 6 It is a structural schematic diagram of a feeding platform of the utility model.

[0026] Figure 7 It is a structural schematic diagram of the straightening mechanism of the utility model.

[0027] In the figure: 1, feeding platform; 2, straightening mechanism; 3, cutting platform; 4, first cutting machine; 5, second cutting machine; 6, first guide roller; 7, second guide roller; 8, third guide roller; 9, transfer device; 10, transfer plate; 11, inclined portion; 12, transfer shaft; 13, connecting rod; 14, synchronous wheel; 15, synchronous belt; 16, first limiting groove; 17, second limiting groove; 18, first guide seat; 19, second guide seat; 20, first step Feed motor; 21. third guide seat; 22. second stepper motor; 23. feeding mechanism; 24. feeding cylinder; 25. horizontal slide rail; 26. horizontal slide block; 27. feeding bracket; 28. clamping cylinder; 29. ​​clamping plate; 30. roller; 31. pushing device; 32. pushing bracket; 33. pushing cylinder; 34. pushing plate; 35. upper fixed seat; 36. lower fixed seat; 37. upper straightening roller; 38. lower straightening roller; 39. straightening gap. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0029] according to Figures 1 to 4 As shown, a double-head automatic cutting device for steel pipes of the utility model comprises a feeding platform 1, and a straightening mechanism 2 is provided at one end of the feeding platform 1, which can straighten the incoming steel pipe to ensure the straightness of the steel pipe, thereby improving the cutting accuracy. A cutting platform 3 is provided on one side of the feeding platform 1, and the steel pipe is transported to the cutting platform 3 after being straightened on the feeding platform 1. A first cutting machine 4 is provided at one end of the cutting platform 3, which is used to cut one end of the steel pipe. A second cutting machine 5 is provided at the end of the cutting platform 3 away from the first cutting machine 4, which is used to cut the other end of the steel pipe, so as to realize the function of double-head simultaneous cutting and improve the cutting efficiency. A first guide roller 6, a second guide roller 7 and a third guide roller 8 are provided on the cutting platform 3 in sequence, and these guide rollers can ensure that the steel pipe maintains linear motion during the cutting process and improve the cutting accuracy. The first guide roller 6 is set corresponding to the first cutting machine 4, the second guide roller 7 is set corresponding to the second cutting machine 5, and the third guide roller 8 is used for unloading. The cutting platform 3 is also provided with a transfer device 9, including a rotatably arranged transfer plate 10, on which a sloped portion 11 is provided, and the steel pipe can roll on the sloped portion 11, thereby facilitating the movement of the steel pipe between the first guide roller 6, the second guide roller 7 and the third guide roller 8.

[0030] The transfer device 9 includes a transfer seat and a transfer shaft 12 rotatably arranged on the transfer seat, and the inclined portion 11 is connected to the transfer shaft 12 to ensure that the steel pipe can roll on the inclined portion 11 to achieve smooth transfer of the steel pipe. A connecting rod 13 is hinged on the transfer shaft 12, and a synchronous wheel 14 is hinged on the end of the connecting rod 13 away from the transfer shaft 12. The synchronous wheel 14 rotates synchronously through a synchronous belt 15 to ensure that multiple transfer shafts 12 rotate synchronously. The transfer plate 10 is provided with a first limiting groove 16 and a second limiting groove 17. The first limiting groove 16 is arranged corresponding to the first guide roller 6, and the second limiting groove 17 is arranged corresponding to the second guide roller 7. The first limiting groove 16 and the second limiting groove 17 are both triangular, which can better stabilize the steel pipe and prevent it from rolling or displacement during the transfer process. When the transfer plate 10 rotates, the steel pipe can be separated from the first limiting groove 16 and the second limiting groove 17 and roll.

[0031] The cutting platform 3 is provided with a first guide seat 18 and a second guide seat 19, the first guide roller 6 is connected to the first guide seat 18, the second guide roller 7 is connected to the second guide seat 19, a first stepper motor 20 is provided between the first guide seat 18 and the second guide seat 19, the first stepper motor 20 drives the first guide roller 6 and the second guide roller 7 to rotate; the cutting platform 3 is also provided with a third guide seat 21, the third guide roller 8 is connected to the third guide seat 21, a second stepper motor 22 is provided on one side of the third guide seat 21, the second stepper motor 22 drives the third guide roller 8 to rotate. The position and angle of the guide roller are adjusted by precise control of the stepper motor, so as to ensure that the steel pipe maintains the correct trajectory and stability during the cutting process.

[0032] according to Figure 5 As shown, the cutting platform 3 is also provided with a feeding mechanism 23, and the feeding mechanism 23 includes a feeding cylinder 24 and a horizontal slide rail 25. The horizontal slide rail 25 is provided with a horizontal slider 26, and the feeding cylinder 24 drives the horizontal slider 26 to move, so as to ensure that the steel pipe always keeps a smooth and continuous forward movement during the cutting process; a feeding bracket 27 is provided on the horizontal slider 26, and a clamping cylinder 28 is provided on the feeding bracket 27, and a clamping plate 29 is connected to the clamping cylinder 28. Through the action of the clamping cylinder 28, the clamping plate 29 can firmly clamp the steel pipe to prevent it from displacement or shaking during the cutting process, thereby improving the cutting accuracy and efficiency.

[0033] according to Figure 6 As shown, the loading platform 1 is provided with a plurality of rollers 30, which can enable the steel pipe to roll smoothly on the loading platform 1, reduce friction and resistance, and improve the efficiency of loading; a pushing device 31 is provided on one side of the loading platform 1, and the pushing device 31 includes a pushing bracket 32 ​​fixed on the loading platform 1, and a pushing cylinder 33 is provided on the pushing bracket 32, and the function of the pushing cylinder 33 is to drive the pushing plate 34 to move forward and backward, thereby pushing the steel pipe forward to the cutting platform 3.

[0034] according to Figure 7 As shown, the straightening mechanism 2 includes an upper fixed seat 35 and a lower fixed seat 36, the upper fixed seat 35 is provided with a plurality of upper straightening rollers 37, and the lower fixed seat 36 is provided with a plurality of lower straightening rollers 38, and a straightening gap is formed between the upper straightening rollers 37 and the lower straightening rollers 38. These straightening rollers cooperate with each other to straighten the passing steel pipes to ensure the straightness of the steel pipes, thereby improving the accuracy of subsequent cutting; the upper straightening rollers 37 and the lower straightening rollers 38 are arranged at an angle, and this inclined arrangement can enhance the straightening effect, so that the steel pipes are subjected to multi-directional straightening forces when passing through the straightening mechanism 2, thereby more effectively eliminating the bending and twisting of the steel pipes.

[0035] When the utility model is used, the steel pipe first passes through the straightening mechanism 2, and the steel pipe is straightened by the cooperation of the straightening roller to ensure the straightness of the steel pipe. Then, the steel pipe is loaded through the loading platform 1. The loading platform 1 is provided with multiple rollers 30, so that the steel pipe can roll smoothly to the straightening mechanism 2, and the pushing cylinder 33 drives the pushing plate 34 to push the steel pipe to the cutting platform 3. The position and angle of the guide roller are adjusted by the precise control of the stepping motor, thereby ensuring that the steel pipe maintains the correct trajectory and stability during the cutting process. The first guide roller 6 guides the steel pipe to the first cutting machine 4 at one end of the cutting platform 3 and cuts one end of the steel pipe. Then the transfer shaft 12 drives the transfer plate 10 to rotate, so that the steel pipe rolls along the inclined surface 11 to the second guide roller 7. The second guide roller 7 guides the steel pipe to the second cutting machine 5 at the other end of the cutting platform 3 and cuts the other end of the steel pipe. During the cutting process, the feeding cylinder 24 drives the horizontal slider 26 to move, driving the feeding bracket 27 provided with the clamping cylinder 28 and the clamping plate 29. The clamping cylinder 28 clamps the steel pipe to ensure that the steel pipe does not move during the cutting process. After the cutting is completed, the transfer plate 10 continues to rotate, so that the steel pipe rolls to the third guide roller 8 for unloading.

[0036] The beneficial effects brought by the utility model are:

[0037] The utility model can sequentially complete the straightening of the steel pipe and the cutting of the two ends, greatly improving the cutting speed and production efficiency, and is suitable for large-scale industrial production.

[0038] The utility model ensures the straightness of the steel pipe through the straightening mechanism, and the guide roller accurately controls the position and trajectory of the steel pipe, thereby ensuring high cutting precision and reducing errors.

[0039] The feeding mechanism of the utility model ensures that the steel pipe remains stable during the cutting process, and the guide rollers and the limit grooves further ensure the stability of the steel pipe, thereby avoiding displacement and shaking during the cutting process.

[0040] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A double-head automatic cutting device for steel pipes, comprising a feeding platform, one end of which is provided with a straightening mechanism, and one side of which is provided with a cutting platform, characterized in that: A first cutting machine is provided at one end of the cutting platform, and a second cutting machine is provided at the end of the cutting platform away from the first cutting machine. A first guide roller, a second guide roller and a third guide roller are sequentially provided on the cutting platform, the first guide roller is provided corresponding to the first cutting machine, and the second guide roller is provided corresponding to the second cutting machine. A transfer device is also provided on the cutting platform, and the transfer device includes a rotatably arranged transfer plate, and an inclined portion is provided on the transfer plate, and the steel pipe can roll on the inclined portion.

2. The double-head automatic cutting device for steel pipes according to claim 1 is characterized in that: The transfer device includes a transfer seat and a transfer shaft rotatably arranged on the transfer seat, the inclined portion is connected to the transfer shaft, a connecting rod is hinged on the transfer shaft, a synchronous wheel is hinged on one end of the connecting rod away from the transfer shaft, and the synchronous wheel rotates synchronously through a synchronous belt.

3. The double-head automatic cutting device for steel pipes according to claim 1 is characterized in that: The transfer plate is provided with a first limiting groove and a second limiting groove, wherein the first limiting groove is arranged corresponding to the first guide roller, and the second limiting groove is arranged corresponding to the second guide roller.

4. The double-head automatic cutting device for steel pipes according to claim 3 is characterized in that: The first limiting groove and the second limiting groove are both triangular in shape.

5. The double-head automatic cutting device for steel pipes according to claim 1 is characterized in that: A first guide seat and a second guide seat are provided on the cutting platform, the first guide roller is connected to the first guide seat, the second guide roller is connected to the second guide seat, a first stepper motor is provided between the first guide seat and the second guide seat, the first stepper motor drives the first guide roller and the second guide roller to rotate; a third guide seat is also provided on the cutting platform, the third guide roller is connected to the third guide seat, a second stepper motor is provided on one side of the third guide seat, and the second stepper motor drives the third guide roller to rotate.

6. The double-head automatic cutting device for steel pipes according to claim 1, characterized in that: A feeding mechanism is also provided on the cutting platform, and the feeding mechanism includes a feeding cylinder and a horizontal slide rail. A horizontal slide rail is provided on the horizontal slide rail. The feeding cylinder drives the horizontal slide rail to move. A feeding bracket is provided on the horizontal slide rail. A clamping cylinder is provided on the feeding bracket. A clamping plate is connected to the clamping cylinder.

7. The double-head automatic cutting device for steel pipes according to claim 1 is characterized in that: The loading platform is provided with a plurality of rollers, and one side of the loading platform is provided with a pushing device.

8. The double-head automatic cutting device for steel pipes according to claim 7 is characterized in that: The pushing device comprises a pushing bracket fixed on the loading platform, a pushing cylinder is arranged on the pushing bracket, and a pushing plate is arranged on the pushing cylinder.

9. The double-head automatic cutting device for steel pipes according to claim 1, characterized in that: The straightening mechanism comprises an upper fixed seat and a lower fixed seat, wherein the upper fixed seat is provided with a plurality of upper straightening rollers, and the lower fixed seat is provided with a plurality of lower straightening rollers, and a straightening gap is formed between the upper straightening rollers and the lower straightening rollers.

10. The double-head automatic cutting device for steel pipes according to claim 9, characterized in that: The upper straightening roller and the lower straightening roller are arranged obliquely.