Ultra-long pipe laser cutting follow-up supporting mechanism

Abstract

The invention discloses a super-long pipe laser cutting follow-up supporting mechanism which comprises at least two bases arranged along the Y axis, chain transmission mechanisms are arranged above the bases, the chain transmission mechanisms convey pipe fittings along the X axis, and the multiple chain transmission mechanisms are in synchronous transmission through transmission shafts. Positioning mechanisms are installed on a chain of the chain transmission mechanism, a pipe containing area for containing pipe fittings is formed between every two adjacent positioning mechanisms, and the follow-up supporting mechanism further comprises a conveying mechanism, a high-definition camera and a vibration motor. According to the pipe fitting cutting device, pipe fitting placing and pipe fitting cutting do not interfere with each other, so that continuous pipe fitting cutting is achieved, and the overall cutting efficiency is greatly improved; and the problem that the position of the pipe is possibly incorrect in the conveying process of a chain transmission mechanism or when the pipe is manually placed can be solved through a method for dynamically identifying the symmetrical center position of the end face of the pipe.

Description

Technical Field

[0001] The invention belongs to the technical field of pipe cutting, and in particular relates to a follow-up support mechanism for laser cutting of super-long pipes. Background Art

[0002] Laser cutting of tubes is an efficient and precise processing technology widely used in industries such as aerospace, automotive manufacturing, construction and energy. This technology uses a high-energy laser beam to cut metal or non-metallic tubes and can achieve cutting of complex shapes.

[0003] Among them, for the laser cutting of extra-long pipes, the prior art needs to first place the pipe on the support mechanism by manpower or auxiliary equipment, and then transport the pipe to the clamping and cutting mechanism through the conveying mechanism under the support mechanism for laser cutting. After the cutting is completed, a new pipe is placed on the support mechanism, and the process repeats itself. The above operation mode cannot cut when placing the pipe, and similarly, the pipe cannot be placed when cutting, which makes the overall cutting efficiency low and affects the overall progress. Summary of the invention

[0004] The present invention aims at solving the problems in the prior art and proposes the following technical solutions:

[0005] The follow-up support mechanism for laser cutting of super-long pipes comprises at least two bases arranged along the Y axis, a chain transmission mechanism is arranged above the base, the chain transmission mechanism transmits the pipe along the X axis and multiple chain transmission mechanisms are synchronously transmitted through a transmission shaft, a positioning mechanism is installed on the chain of the chain transmission mechanism, and a pipe placement area for accommodating the pipe is formed between two adjacent positioning mechanisms, and the follow-up support mechanism also includes a conveying mechanism, a high-definition camera and a vibration motor;

[0006] The pipe fitting is placed on the pipe placement area from the starting end of the chain transmission mechanism. The chain transmission mechanism moves the pipe fitting along the X-axis to the tail end. After the high-definition camera dynamically identifies the symmetrical center position of the pipe fitting end surface, the pipe fitting is transported along the Y-axis to the clamping and cutting mechanism through the conveying mechanism.

[0007] As a preferred embodiment of the above technical solution, an outer cover shell is fixedly connected to the top of the base, and the outer cover shell is semi-enclosedly arranged on the periphery of the chain transmission mechanism.

[0008] As a preferred embodiment of the above technical solution, the positioning mechanism includes a connecting bar fixedly connected to the chain of the chain transmission mechanism, and a docking plate is fixedly connected to a side of the connecting bar away from the chain;

[0009] The XOY cross-section of the docking plate is "L"-shaped, divided into a horizontal section and a vertical section, and the horizontal section of the docking plate is connected to the connecting strip, and the vertical section of the docking plate is rotatably connected to a clamping plate through a resistance shaft, and two adjacent clamping plates are arranged oppositely and inclined and in an inverted "eight" shape.

[0010] As a preferred embodiment of the above technical solution, a threaded rod is connected to the vertical section of the docking plate through a threaded connection, and one end of the threaded rod abuts against the inner side of the lower edge of the clamping plate.

[0011] As a preferred embodiment of the above technical solution, a sleeve is provided on the outer periphery of one end of the threaded rod that abuts against the inner side of the lower edge of the clamping plate.

[0012] As a preferred embodiment of the above technical solution, the horizontal section of the butt joint plate extends outward, exceeding the extension of the bottom of the clamping plate to form a horizontal platform for the pipe fitting.

[0013] A method for dynamically identifying the symmetrical center position of a pipe end face, the method is applied to the above-mentioned ultra-long pipe laser cutting follow-up support mechanism, the method comprising the following steps:

[0014] S1. Capture the coordinate data of the pipe end face: Capture the diagonal position of the pipe end face through a high-definition camera, construct the diagonal coordinate data, and output the coordinate data to the data processing module;

[0015] S2, coordinate data processing: The data processing module identifies the position of the pipe based on the coordinate data and the symmetry center formula, and determines whether the pipe is at the set position based on the comparison between the pipe position data and the set threshold value; if the pipe is at the set position, it enters S3, otherwise it enters S4;

[0016] S3, feeding: the Y-axis conveying mechanism works to convey the pipe to the clamping mechanism for clamping and cutting;

[0017] S4, correction: The vibration motor works to correct the position of the pipe. After correction, it returns to S1 to re-capture the coordinate data of the end face of the pipe.

[0018] As a preferred embodiment of the above technical solution, the coordinate formula of the symmetric center in S2 is:

[0019]

[0020] Wherein, (x1, y1) and (x2, y2) are the coordinate data of two diagonal corners of the current pipe end face captured by the high-definition camera (50); if the cross section of the pipe is circular, (x1, y1) and (x2, y2) are the coordinate data of two end points on any diameter;

[0021] The threshold value set in S2 is:

[0022] (k1x,k2y)

[0023]

[0024] Among them, k is the set threshold, and (x, y) is the standard position of the symmetry center of the pipe.

[0025] The beneficial effects of the present invention are:

[0026] 1. When the supporting mechanism of the present invention is working, the staff places the pipe fittings in the pipe placing area at the starting end of the chain transmission mechanism by manpower or auxiliary devices. The chain transmission mechanism can move the pipe fittings to the tail end along the X-axis. After the pipe fittings reach the tail end, the conveying mechanism conveys the pipe fittings at the tail end along the Y-axis to the clamping and cutting mechanism for cutting. Therefore, in the whole process, the staff only needs to continuously place the pipe fittings in the pipe placing area at the starting end of the chain transmission mechanism. The pipe fittings transferred to the tail end of the chain transmission mechanism can be continuously conveyed to the clamping and cutting mechanism along the Y-axis for cutting with the assistance of the conveying mechanism. The placement of the pipe fittings and the cutting of the pipe fittings do not interfere with each other, thereby realizing uninterrupted cutting of the pipe fittings and greatly improving the overall cutting efficiency.

[0027] 2. The XOY cross section of the docking plate is "L"-shaped, divided into a horizontal section and a vertical section, and the horizontal section of the docking plate is connected to the connecting strip, and the vertical section of the docking plate is connected to a clamping plate by a resistance shaft, and two adjacent clamping plates are arranged oppositely and inclined and in an inverted "eight" shape; the inverted "eight" shape design can be applied to pipes with different cross-sectional shapes. For example, a pipe with a circular cross section can be clamped on the inverted "eight" shaped slope between the two clamping plates, and can also play a role in assisting its positioning; the horizontal section of the docking plate extends outward, and the extension part beyond the bottom of the clamping plate forms a horizontal platform for the pipe; when the cross-sectional shape of the pipe is square or rectangular, the pipe can slide down along the inverted "eight" shaped slopes of the two clamping plates until the bottom of the pipe can be placed on the horizontal platform, and at the same time, the inverted "eight" shaped bottoms of the two clamping plates press against both sides of the pipe, thereby assisting its positioning;

[0028] 3. The pipe may be misplaced during the transmission process of the chain transmission mechanism or when placed manually. To solve this problem, the present invention captures the diagonal coordinates of the end face of the pipe by a high-definition camera, and then compares it with the set threshold. When the measured value is greater than k, it indicates that the pipe is not placed correctly. Then, the vibration motor can be used to drive the chain transmission mechanism and the positioning mechanism to vibrate to correct the position of the pipe, thereby avoiding the inability to accurately dock with the clamping mechanism during the Y-axis transportation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 What is shown is a three-dimensional structural schematic diagram of a follow-up support mechanism for laser cutting of an ultra-long pipe in an embodiment;

[0030] Figure 2The figure shows a schematic diagram of the front view structure of the positioning mechanism in the follow-up support mechanism for laser cutting of super-long pipes in the embodiment;

[0031] Figure 3 What is shown is a schematic diagram of the three-dimensional structure of the positioning mechanism in the follow-up support mechanism for laser cutting of super-long pipes in an embodiment;

[0032] Figure 4 Shown is a flow chart of a method for dynamically identifying the symmetric center position of a pipe end face.

[0033] In the figure: 10, base; 11, outer cover shell; 20, chain transmission mechanism; 21, transmission shaft; 30, conveying mechanism; 40, positioning mechanism; 41, docking plate; 42, resistance shaft; 43, clamping plate; 44, threaded rod; 45, connecting strip; 400, tube placement area; 440, sleeve; 50, high-definition camera; 60, vibration motor. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0035] Example

[0036] like Figure 1 , Figure 2 As shown, the follow-up support mechanism for ultra-long pipe laser cutting includes no less than two bases 10 arranged along the Y axis. In this embodiment, two bases 10 are provided. In practical applications, the bases 10 can be provided as required according to the length of the pipe, which greatly improves the adaptability of the support mechanism of the present invention and can be used to support ultra-long pipes of various lengths.

[0037] A chain transmission mechanism 20 is arranged above the base 10. The chain transmission mechanism 20 transmits the pipe along the X-axis and multiple chain transmission mechanisms 20 are synchronously transmitted through a transmission shaft 21. A positioning mechanism 40 is installed on the chain of the chain transmission mechanism 20. A pipe placement area 400 for accommodating the pipe is formed between two adjacent positioning mechanisms 40. The follow-up support mechanism also includes a conveying mechanism 30, a high-definition camera 50 and a vibration motor 60.

[0038] When the support mechanism of the present invention is working, the staff places the pipe in the pipe placement area 400 at the starting end of the chain transmission mechanism 20 through manpower or auxiliary devices. The chain transmission mechanism 20 can move the pipe along the X-axis to the tail end. After the pipe reaches the tail end, the conveying mechanism 30 conveys the pipe at the tail end along the Y-axis to the clamping and cutting mechanism for cutting. Therefore, in the whole process, the staff only needs to continuously place the pipe in the pipe placement area 400 at the starting end of the chain transmission mechanism 20. The pipe transmitted to the tail end of the chain transmission mechanism 20 can be continuously conveyed along the Y-axis to the clamping and cutting mechanism for cutting with the assistance of the conveying mechanism 30. The placement of the pipe and the cutting of the pipe do not interfere with each other, thereby realizing uninterrupted cutting of the pipe, greatly improving the overall cutting efficiency.

[0039] The pipe is placed on the pipe placement area 400 from the starting end of the chain transmission mechanism 20. The chain transmission mechanism 20 moves the pipe to the tail end along the X-axis. After the high-definition camera 50 dynamically identifies the symmetrical center position of the pipe end surface, the pipe is transported to the clamping and cutting mechanism along the Y-axis through the conveying mechanism 30.

[0040] The top of the base 10 is fixedly connected with an outer cover shell 11, and the outer cover shell 11 is semi-enclosed and arranged on the periphery of the chain transmission mechanism 20. The outer cover shell 11 can not only protect the chain transmission mechanism 20, but also provide a basis for the auxiliary positioning and installation of the transmission shaft 21, thereby ensuring the transmission stability of the transmission shaft 21.

[0041] like Figure 3 As shown, the positioning mechanism 40 includes a connecting bar 45 fixedly connected to the chain of the chain transmission mechanism 20, and a docking plate 41 is fixedly connected to the side of the connecting bar 45 away from the chain; two adjacent positioning mechanisms 40 are arranged opposite to each other.

[0042] The XOY cross-section of the docking plate 41 is "L"-shaped, divided into a horizontal section and a vertical section, and the horizontal section of the docking plate 41 is connected to the connecting strip 45, and the vertical section of the docking plate 41 is rotatably connected to the clamping plate 43 through the resistance shaft 42, and the two adjacent clamping plates 43 are arranged to be inclined oppositely and in an inverted "eight" shape; the inverted "eight" shape design can be applicable to pipes with different cross-sectional shapes. For example, a pipe with a circular cross-section can be clamped on the inverted "eight" shaped inclined surface between the two clamping plates 43, and can also play a role in assisting its positioning; the horizontal section of the docking plate 41 extends outward, and the extension part beyond the bottom of the clamping plate 43 forms a horizontal platform for the pipe; when the cross-sectional shape of the pipe is square or rectangular, the pipe can slide down along the inverted "eight" shaped inclined surfaces of the two clamping plates 43 until the bottom of the pipe can be placed on the horizontal platform, and at the same time, the inverted "eight" shaped bottoms of the two clamping plates 43 press against both sides of the pipe, thereby assisting its positioning.

[0043] A threaded rod 44 is threadedly connected to the vertical section of the docking plate 41, and one end of the threaded rod 44 abuts against the inner side of the lower edge of the clamping plate 43. The threaded rod 44 is provided to facilitate the adjustment of the inclination angle of the clamping plate 43, so that it can be applied to the placement of pipes of different specifications, and has a wider applicability.

[0044] A sleeve 441 is sleeved on the outer periphery of one end of the threaded rod 44 that abuts against the inner side of the lower edge of the clamping plate 43 ; the sleeve 441 can avoid mutual wear caused by hard contact between the threaded rod 44 and the clamping plate 43 .

[0045] like Figure 4 As shown, a method for dynamically identifying the symmetrical center position of the end face of a pipe fitting is applied to the above-mentioned follow-up support mechanism for laser cutting of ultra-long pipes, and the method includes the following steps:

[0046] S1. Capturing the coordinate data of the pipe end face: Capturing the diagonal position of the pipe end face through a high-definition camera 50, constructing diagonal coordinate data, and outputting the coordinate data to a data processing module;

[0047] S2, coordinate data processing: The data processing module identifies the position of the pipe based on the coordinate data and the symmetry center formula, and determines whether the pipe is at the set position based on the comparison between the pipe position data and the set threshold value; if the pipe is at the set position, it enters S3, otherwise it enters S4;

[0048] S3, feeding: the Y-axis conveying mechanism 30 works to convey the pipe to the clamping mechanism for clamping and cutting;

[0049] S4, correction: The vibration motor works to correct the position of the pipe. After correction, it returns to S1 to re-capture the coordinate data of the end face of the pipe.

[0050] As a preferred embodiment of the above technical solution, the coordinate formula of the symmetric center in S2 is:

[0051]

[0052] Wherein, (x1, y1) and (x2, y2) are the coordinate data of two diagonal corners of the current pipe end face captured by the high-definition camera (50); if the cross section of the pipe is circular, (x1, y1) and (x2, y2) are the coordinate data of two end points on any diameter;

[0053] The threshold value set in S2 is:

[0054] (k1x,k2y)

[0055]

[0056] Among them, k is the set threshold, and (x, y) is the standard position of the symmetry center of the pipe.

[0057] The pipe may be misplaced during the transmission process of the chain transmission mechanism 20 or when placed manually. To solve this problem, the present invention captures the diagonal coordinates of the end face of the pipe through a high-definition camera 50, and then compares it with a set threshold. When the measured value is greater than k, it indicates that the pipe is not placed correctly. Then, the vibration motor 60 can be used to drive the chain transmission mechanism 20 and the positioning mechanism 40 to vibrate to correct the position of the pipe, thereby avoiding the inability to accurately dock with the clamping mechanism during the Y-axis transportation process.

[0058] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.

Claims

1. A follow-up support mechanism for laser cutting of ultra-long pipes, comprising at least two bases (10) arranged along the Y axis, characterized in that: A chain transmission mechanism (20) is arranged above the base (10), the chain transmission mechanism (20) transmits the pipe along the X-axis and multiple chain transmission mechanisms (20) are synchronously transmitted through a transmission shaft (21), a positioning mechanism (40) is installed on the chain of the chain transmission mechanism (20), and a pipe placement area (400) for accommodating the pipe is formed between two adjacent positioning mechanisms (40), and the follow-up support mechanism also includes a conveying mechanism (30), a high-definition camera (50) and a vibration motor (60); The pipe is placed on the pipe placement area (400) from the starting end of the chain transmission mechanism (20), and the chain transmission mechanism (20) moves the pipe along the X-axis to the tail end. After the high-definition camera (50) dynamically identifies the symmetrical center position of the pipe end surface and confirms that it is correct, the pipe is transported along the Y-axis to the clamping and cutting mechanism through the conveying mechanism (30).

2. The follow-up support mechanism for laser cutting of super-long pipes according to claim 1 is characterized in that: The top of the base (10) is fixedly connected to an outer cover shell (11), and the outer cover shell (11) is arranged in a semi-enclosed manner on the periphery of the chain transmission mechanism (20).

3. The follow-up support mechanism for laser cutting of super-long pipes according to claim 1 is characterized in that: The positioning mechanism (40) comprises a connecting bar (45) fixedly connected to the chain of the chain transmission mechanism (20), and a docking plate (41) is fixedly connected to the side of the connecting bar (45) away from the chain; The XOY cross section of the docking plate (41) is L-shaped and is divided into a horizontal section and a vertical section. The horizontal section of the docking plate (41) is connected to a connecting strip (45). The vertical section of the docking plate (41) is rotatably connected to a clamping plate (43) via a resistance shaft (42). Two adjacent clamping plates (43) are arranged to be inclined opposite to each other and are in an inverted "eight" shape.

4. The follow-up support mechanism for laser cutting of super-long pipes according to claim 3 is characterized in that: A threaded rod (44) is threadedly connected to the vertical section of the docking plate (41), and one end of the threaded rod (44) abuts against the inner side of the lower edge of the clamping plate (43).

5. The follow-up support mechanism for laser cutting of super-long pipes according to claim 4 is characterized in that: The threaded rod (44) is abutted against one end of the inner side of the lower edge of the clamping plate (43) and is sleeved with a sleeve head (441).

6. The follow-up support mechanism for laser cutting of super-long pipes according to claim 5 is characterized in that: The horizontal section of the butt joint plate (41) extends outwards, and the extended portion beyond the bottom of the clamping plate (43) forms a horizontal platform for the pipe fittings.

7. A method for dynamically identifying the symmetrical center position of a pipe end surface, characterized in that: The method is applied to the ultra-long tube laser cutting follow-up support mechanism described in any one of claims 1 to 6, and the method comprises the following steps: S1, capturing the coordinate data of the pipe end face: capturing the diagonal position of the pipe end face through a high-definition camera (50), constructing diagonal coordinate data, and outputting the coordinate data to a data processing module; S2, coordinate data processing: The data processing module identifies the position of the pipe based on the coordinate data and the symmetry center formula, and determines whether the pipe is at the set position based on the comparison between the pipe position data and the set threshold value; if the pipe is at the set position, it enters S3, otherwise it enters S4; S3, feeding: the Y-axis conveying mechanism (30) works to convey the pipe to the clamping mechanism for clamping and cutting; S4, correction: The vibration motor works to correct the position of the pipe. After correction, it returns to S1 to re-capture the coordinate data of the end face of the pipe.

8. A method for dynamically identifying the symmetrical center position of a pipe end surface according to claim 7, characterized in that: The coordinate formula of the symmetric center in S2 is: Wherein, (x1, y1) and (x2, y2) are the coordinate data of two diagonal corners of the current pipe end face captured by the high-definition camera (50); if the cross section of the pipe is circular, (x1, y1) and (x2, y2) are the coordinate data of two end points on any diameter; The threshold value set in S2 is: (k1x, k2y), Among them, k is the set threshold, and (x, y) is the standard position of the symmetry center of the pipe.

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