An online automatic precision cutting and flattening equipment for thin-walled pipes

Abstract

The present invention provides an online automatic fine cutting and flattening device for thin-walled pipes, comprising a feeding mechanism, a feeding mechanism, a transfer mechanism arranged between the feeding mechanism and the feeding mechanism, and fine cutting and flattening mechanisms arranged at both ends of the transfer mechanism; the transfer mechanism comprises a plurality of support rods, a plurality of support rods having tops connected to a rotating shaft through bearings, a plurality of circular transfer disks fixedly arranged on the rotating shaft, a gear I being arranged in the middle of the rotating shaft, a motor support frame being arranged on the side below the gear I, a rotating motor being arranged on the motor support frame, a gear II meshing with the gear I being arranged on the output shaft of the rotating motor, wherein a plurality of the circular transfer disks are evenly provided with a plurality of transfer troughs, a plurality of the circular transfer disks are provided with a telescopic cylinder I on one side facing the gear I and on one side of the transfer trough, and a pipe clamp is connected to the output shaft of the telescopic cylinder I.

Description

Technical Field

[0001] The invention belongs to the technical field of automatic precision cutting and flattening of thin-walled pipes, and in particular relates to an online automatic precision cutting and flattening device for thin-walled pipes. Background Art

[0002] Thin-walled stainless steel tubes, titanium tubes, copper tubes and other pipes are widely used in air conditioning, refrigeration, desalination and other fields. During the production process of the tubes, the length will be greater than the qualified length of the tubes. After the tubes have passed various performance tests, they will undergo a precision cutting and flattening process to make the tube length meet the design size. At present, due to the design of the tube precision cutting and flattening process, the tubes that have passed the performance test will be hoisted in batches and moved to the precision cutting and flattening process for processing. In addition, the precision cutting and flattening equipment needs to be operated manually, which can easily cause deviations in the length of the tubes and affect the accuracy of the tubes. The entire precision cutting and flattening process is complicated, cumbersome to operate, inefficient, and prone to pipe size deviations and work-related injuries due to human factors. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an online automatic fine cutting and flattening device for thin-walled pipes.

[0004] The technical solution adopted by the present invention to solve the technical problem is:

[0005] A thin-walled pipe online automatic precision cutting and flattening equipment, comprising a feeding mechanism, a feeding mechanism, a transfer mechanism arranged between the feeding mechanism and the feeding mechanism, and precision cutting and flattening mechanisms arranged at both ends of the transfer mechanism; the transfer mechanism comprises a plurality of support rods, a plurality of support rods having tops connected to a rotating shaft through bearings, a plurality of circular rotating discs fixedly provided on the rotating shaft, a gear I provided in the middle of the rotating shaft, a motor support frame provided on the lower side of the gear I, a rotating motor provided on the motor support frame, a gear II meshing with the gear I provided on the output shaft of the rotating motor, wherein a plurality of circular rotating discs are evenly provided with a plurality of transfer troughs, a plurality of circular rotating discs are provided with a telescopic cylinder I on one side facing the gear I and on one side of the transfer trough, and a pipe clamp is connected to the output shaft of the telescopic cylinder I.

[0006] In one embodiment, a laser sizing slide rail corresponding to the transfer trough is provided on the circular transfer disc at the outermost end of the rotating shaft and on the side opposite to the telescopic cylinder I, and a laser probe is provided on the laser sizing slide rail.

[0007] In one embodiment, a pipe moving support frame is provided on one side of the gear I and below the rotating shaft, an L-shaped fixing plate is fixedly connected to the top of the pipe moving support frame, a vertical slide rail is provided on the side of the L-shaped fixing plate facing the rotating shaft, a slider is provided on the vertical slide rail, a vertical slide plate is provided on the slider, a horizontal fixing plate I is provided on the upper end of the vertical slide plate and facing the rotating shaft, and a horizontal fixing plate II is provided on the upper end of the vertical slide plate on the side opposite to the horizontal fixing plate I.

[0008] In one embodiment, a telescopic cylinder II is provided on the L-shaped fixing plate, and an output shaft of the telescopic cylinder II is fixedly connected to the transverse fixing plate I.

[0009] In one embodiment, a motor is provided on the transverse fixing plate II, and a rotating wheel is fixedly connected to the output shaft of the motor.

[0010] In one embodiment, the precision cutting flat head mechanism includes a transverse slide rail group I, a screw motor is arranged at one end of the transverse slide rail group I away from the material transfer mechanism, a sliding support seat is arranged on the transverse slide rail group I, a screw slider is arranged at the lower end of the sliding support seat, a transmission screw is arranged on the screw slider, and the output shaft of the screw motor is fixedly connected to the transmission screw.

[0011] In one embodiment, the sliding support seat is provided with a longitudinal slide rail group II, one end of the longitudinal slide rail group II is provided with a servo motor I, the longitudinal slide rail group II is provided with a longitudinal slider, a fixed plate is fixed on the longitudinal slider, a screw block is fixed on the fixed plate, a screw block is provided on the screw block, and one end of the screw is fixedly connected to the output shaft of the servo motor I.

[0012] In one embodiment, a vertical fixed block is provided at one end of the longitudinal slider facing the material transfer mechanism, a slide rail I and a slide rail II are provided on the side of the vertical fixed block opposite to the material transfer mechanism, a through hole is opened between the slide rail I and the slide rail II and on the vertical fixed block, a vertical slider is provided on both the slide rail I and the slide rail II, a vertical slider is connected to the vertical slider, a vertical slide plate is provided on the side of the vertical slide plate facing the through hole, a vertical lead screw block is provided on the vertical lead screw block, a servo motor II fixedly connected to the vertical lead screw is provided on the top of the vertical fixed block, a tool feed motor is provided on the side of the vertical slide plate opposite to the vertical slider, a feed transmission rod is fixedly connected to the output shaft of the tool feed motor, the feed transmission rod is connected to a tool chuck through the vertical slider and the through hole, and a precision cutting flat head tool is provided on the tool chuck.

[0013] In one embodiment, the feeding mechanism includes a plurality of feeding racks, and a plurality of the feeding racks are each provided with a feeding guide rail; wherein, an L-shaped vertical fixing block Ⅰ is provided on one side of the left end of the feeding rack, a cylinder Ⅰ is provided on the L-shaped vertical fixing block Ⅰ, and a feeding lifting pin Ⅰ is connected to the output shaft of the cylinder Ⅰ.

[0014] In one embodiment, the unloading mechanism includes a plurality of unloading racks, and each of the plurality of unloading racks is provided with an unloading guide rail; wherein, an L-shaped vertical fixing block II is provided on one side of the left end of the unloading rack, and a cylinder II is provided on the L-shaped vertical fixing block II, and a unloading lifting pin is connected to the output shaft of the cylinder II.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The thin-walled pipe online automatic fine-cutting and flattening equipment provided by the present invention has a reasonable structural design and is easy to implement. It can realize the thin-walled pipe online automatic fine-cutting process and realize the fine-cutting and flattening operation of large quantities of thin-walled pipes with high speed and high efficiency, and at the same time eliminate the pipe length fluctuation caused by manual fine-cutting and flattening.

[0017] 2. The online automatic precision cutting and flattening equipment for thin-walled pipes provided by the present invention can eliminate the interference of operators. When the equipment is running, there is no need to load, clamp or operate the tool, which saves labor costs and avoids the risk of manual injury caused by human labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of the present invention;

[0019] Figure 2 For the present invention Figure 1 Schematic diagram of the feeding mechanism structure;

[0020] Figure 3 For the present invention Figure 2 A schematic diagram of the enlarged structure of the middle part A;

[0021] Figure 4 It is a structural schematic diagram of the material transfer mechanism of the present invention;

[0022] Figure 5 For the present invention Figure 4 The enlarged structural diagram of the middle B part;

[0023] Figure 6 It is a structural schematic diagram of the mobile pipe support frame of the present invention;

[0024] Figure 7 This is a schematic diagram of the structure of the precision cutting flat head mechanism of the present invention;

[0025] Figure 8 For the present invention Figure 7 Schematic diagram of the structure of the middle B1 section;

[0026] Fig. 9 For the present invention Figure 8 A side view schematic diagram of the structure;

[0027] Fig.10 It is a structural schematic diagram of the material unloading mechanism of the present invention;

[0028] Fig.11 For the present invention Fig.10 Schematic diagram of the C part structure;

[0029] Fig.12 It is a structural schematic diagram of the conveying assembly of the present invention;

[0030] Fig.13 For the present invention Fig.12 Schematic diagram of the D structure in .

[0031] In the figure: 10, support rod, 11, bearing, 12, rotating shaft, 13, circular rotating disc, 133, gear I, 14, motor support frame, 15, rotating motor, 16, gear II;

[0032] 21. Material transfer trough, 22. Telescopic cylinder I, 23. Pipe clamp, 25. Laser sizing slide rail, 26. Laser probe;

[0033] 30. Pipe moving support frame, 31. L-shaped fixing plate, 32. Vertical slide rail, 33. Sliding block, 34. Vertical slide plate, 35. Horizontal fixing plate I, 36. Horizontal fixing plate II, 37. Telescopic cylinder II, 38. Motor, 39. Rotating wheel;

[0034] 40. Horizontal slide rail group I, 41. Screw motor, 42. Sliding support seat, 43. Transmission screw, 45. Longitudinal slide rail group II, 46. Longitudinal slider, 47. Fixed plate, 48. Screw block, 49. Screw;

[0035] 50. vertical fixing block, 51. slide rail I, 52. slide rail II, 53. through hole, 54. vertical slide block, 55. vertical slide plate, 56. vertical lead screw block, 57. vertical lead screw, 58. tool feed motor, 59. feed transmission rod, 60. tool chuck, 61. precision cutting flat head tool;

[0036] 70. Feeding rack, 71. Feeding guide rail, 72. L-shaped vertical fixing block Ⅰ, 73. Cylinder Ⅰ, 74. Feeding lifting pin Ⅰ;

[0037] 80. Material unloading rack, 81. Material unloading guide rail, 82. L-shaped vertical fixing block II, 83. Cylinder II, 84. Material unloading lifting pin;

[0038] 90. conveying bracket, 91. rotating shaft, 92. rotating gear I, 93. rotating roller, 96. motor fixing seat, 97. servo rotating motor, 98. rotating gear II. DETAILED DESCRIPTION

[0039] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0040] Example 1

[0041] like Figure 1 As shown, this embodiment includes a loading mechanism, a unloading mechanism, a material transfer mechanism arranged between the loading mechanism and the unloading mechanism, and a precision cutting and flattening mechanism arranged at both ends of the material transfer mechanism; thus, the pipe is loaded through the loading mechanism, and the pipe after loading is transferred and clamped through the material transfer mechanism, and then the precision cutting and flattening mechanisms at both ends of the pipe are used to perform precision cutting and flattening on both ends of the pipe, and the pipe after precision cutting and flattening enters the unloading mechanism.

[0042] like Figure 2 As shown, the feeding mechanism includes a plurality of feeding racks 70, and a feeding guide rail 71 is provided on each of the plurality of feeding racks 70. In this embodiment, the angle between the feeding rack 70 and the horizontal plane is 10-15°, that is, the top of the feeding rack 70 is an inclined feeding rack 70 of 10-15°, thereby forming a right-high and left-low state, so that the pipe is placed on the feeding guide rail 71 from the right end, and is transported downward along the feeding guide rail 71 into the transfer mechanism;

[0043] like Figure 3 As shown, an L-shaped vertical fixing block Ⅰ72 is provided on the left side of the feeding rack 70, and a cylinder Ⅰ73 is provided on the L-shaped vertical fixing block Ⅰ72. A feeding lifting and clamping needle Ⅰ74 is connected to the output shaft of the cylinder Ⅰ73. Thus, through the extension and contraction of the cylinder Ⅰ73, the feeding lifting and clamping needle Ⅰ74 can control whether the pipe enters the material transfer mechanism. The feeding lifting and clamping needle Ⅰ74 releases the pipe and enters the material transfer mechanism through the up and down periodic movement of the cylinder Ⅰ73. When the feeding lifting and clamping needle Ⅰ74 rises, the pipe rolls to the feeding lifting and clamping needle Ⅰ74 due to gravity and hits the feeding lifting and clamping needle Ⅰ74. The setting of the feeding lifting and clamping needle Ⅰ74 prevents the pipe from directly hitting the material transfer mechanism and causing the position accuracy of the material transfer mechanism to change.

[0044] like Figure 4As shown, the material transfer mechanism includes a plurality of support rods 10, the tops of the plurality of support rods 10 are connected to a rotating shaft 12 through bearings 11, a plurality of circular rotating discs 13 are fixedly provided on the rotating shaft 12, a gear Ⅰ133 is provided in the middle of the rotating shaft 12, a motor support frame 14 is provided on the lower side of the gear Ⅰ133, a rotating motor 15 is provided on the motor support frame 14, and a gear Ⅱ16 meshing with the gear Ⅰ133 is provided on the output shaft of the rotating motor 15, thereby, through the operation of the rotating motor 15, the rotating shaft 12 can rotate on the plurality of support rods 10 through the bearings 11.

[0045] A plurality of transfer troughs 21 are evenly provided on the plurality of circular transfer trays 13. In the present embodiment, four transfer troughs 21 are evenly provided on the circular transfer tray 13. The four transfer troughs 21 are evenly distributed on the circular transfer tray 13.

[0046] In this embodiment, a nylon pad transfer trough corresponding to the transfer trough 21 is provided on the side of the circular transfer disc 13 opposite to the gear I 133, wherein the transfer trough 21 and the nylon pad transfer trough are both U-shaped troughs, and the width of the U-shaped nylon pad transfer trough is greater than that of the transfer trough 21. At the same time, a U-shaped nylon pad is provided in the U-shaped nylon pad transfer trough, so that when the pipe moves through the circular transfer disc 13, the pipe automatically rolls into the transfer trough 21, and the transfer trough 21 provides positioning for the pipe. The nylon pad can prevent scratches on the surface of the pipe when the pipe and the transfer trough 21 are relatively displaced.

[0047] A telescopic cylinder Ⅰ22 is provided on one side of the plurality of circular rotating disks 13 facing the gear Ⅰ133 and on one side of the rotating trough 21. A pipe clamp 23 is connected to the output shaft of the telescopic cylinder Ⅰ22. When the pipe enters the rotating trough 21, the pipe clamp 23 clamps the pipe and completes the precision cutting and flattening work through the telescopic cylinder Ⅰ22. Thus, the cylinder Ⅰ73 controls the feeding lifting clamp needle Ⅰ74 and the telescopic cylinder Ⅰ22 to control the operation of the circular rotating disk 13, so that the pipes on the plurality of feeding racks 70 can enter the rotating trough 21, and then the pipe clamp 23 clamps the pipe through the telescopic cylinder Ⅰ22.

[0048] like Figure 5 As shown, a laser sizing slide rail 25 corresponding to the transfer trough 21 is provided on the circular transfer material disc 13 at the outermost end of the rotating shaft 12 and on the side opposite to the telescopic cylinder I 22, that is, a laser sizing slide rail 25 corresponding to the transfer trough 21 is provided on the two circular transfer material discs 13 at the outermost end of the rotating shaft 12 and on the side opposite to the telescopic cylinder I 22; in this embodiment, there are four laser sizing slide rails 25, and the four laser sizing slide rails 25 correspond to the four transfer troughs 21 respectively; and a laser probe 26 is provided on the laser sizing slide rail 25;

[0049] like Figure 6As shown, a pipe moving support frame 30 is provided on one side of the gear Ⅰ133 and below the rotating shaft 12, and an L-shaped fixing plate 31 is fixedly connected to the top of the pipe moving support frame 30, and a vertical slide rail 32 is provided on the side of the L-shaped fixing plate 31 facing the rotating shaft 12, and a slider 33 is provided on the vertical slide rail 32, and a vertical slide plate 34 is provided on the slider 33, thereby, the slide plate 34 can be lifted and lowered on the vertical slide plate 34 through the slider 33;

[0050] A horizontal fixing plate I35 is provided on the upper end of the vertical slide plate 34 and on the side facing the rotating shaft 12, and a horizontal fixing plate II36 is provided on the upper end of the vertical slide plate 34 and on the side opposite to the horizontal fixing plate I35; wherein, a telescopic cylinder II37 is provided on the L-shaped fixing plate 31, and the output shaft of the telescopic cylinder II37 is fixedly connected to the horizontal fixing plate I35; thus, the slide plate 34 can be lifted and lowered on the vertical slide plate 34 through the slider 33 by the telescopic cylinder II37 being extended and retracted;

[0051] A motor 38 is disposed on the transverse fixing plate II 36, and a rotating wheel 39 is fixedly connected to the output shaft of the motor 38; in the present embodiment, the rotating wheel 39 is a rotating wheel with large diameters at both ends and a small diameter in the middle.

[0052] Therefore, during the process of the circular rotating material tray 13 moving the pipe, the laser probes 26 on the two circular rotating material trays 13 at the outermost ends of the rotating shaft 12 emit lasers to illuminate the surface of the pipe for laser reflection. When the laser probes on the two circular rotating material trays 13 at the outermost ends of the rotating shaft 12 receive the reflection signal, it is determined that the position of the pipe does not need to be moved. If the laser probe on one of the circular rotating material trays 13 at the outermost end of the rotating shaft 12 does not receive the laser reflection signal, the rotating wheel 39 is raised and rotated by the extension and contraction of the telescopic cylinder II 37 and the operation of the motor 38, driving the pipe to move to the end where the reflection signal is not received. After the movement of the pipe triggers the laser reflection signal, the pipe rotating wheel 39 stops, and then the pipe is moved and lowered by the extension and contraction of the telescopic cylinder II 37 and the operation of the motor 38.

[0053] like Figure 7 As shown, the precision cutting flat head mechanism includes a transverse slide rail group I 40, a screw motor 41 is arranged at one end of the transverse slide rail group I 40 away from the material transfer mechanism, a sliding support seat 42 is arranged on the transverse slide rail group I 40, a screw slider (not shown in the figure) is arranged at the lower end of the sliding support seat 42, and a transmission screw 43 is arranged on the sliding support seat 42, and the output shaft of the screw motor 41 is fixedly connected to the transmission screw 43; thus, through the operation of the screw motor 41, the sliding support seat 42 can make a reciprocating motion on the transverse slide rail group I 40;

[0054] like Figure 8 and Fig. 9As shown, a longitudinal slide rail group II 45 is provided on the sliding support seat 42, a servo motor I (not shown in the figure) is provided at one end of the longitudinal slide rail group II 45, a longitudinal slider 46 is provided on the longitudinal slider 46, a fixing plate 47 is fixedly provided on the longitudinal slider 46, a screw block 48 is fixedly provided on the fixing plate 47, a screw rod 49 is provided on the screw rod block 48, and one end of the screw rod 49 is fixedly connected to the output shaft of the servo motor I 46; thus, through the operation of the servo motor I and the cooperation of the screw rod 49 and the longitudinal slider 46, the fixing plate 47 can make a transverse reciprocating motion; in this embodiment, the longitudinal slide rail group II 45 is composed of two parallel slide rails;

[0055] A vertical fixed block 50 is provided at one end of the longitudinal slider 46 facing the material transfer mechanism. A slide rail Ⅰ 51 and a slide rail Ⅱ 52 are provided on the side of the vertical fixed block 50 opposite to the material transfer mechanism. A through hole 53 is provided between the slide rail Ⅰ 51 and the slide rail Ⅱ 52 and on the vertical fixed block 50. A vertical slider 54 is provided on each of the slide rails Ⅰ 51 and the slide rail Ⅱ 52. A vertical slide plate 55 is fixedly connected to the vertical slider 54.

[0056] A vertical lead screw block 56 is provided on one side of the vertical slide plate 55 facing the through hole 53, and a vertical lead screw 57 is provided on the vertical lead screw block 56. A servo motor II (not shown in the figure) fixedly connected to the vertical lead screw 57 is provided on the top of the vertical fixed block 50, so that the vertical slide plate 55 can be controlled to move up and down on the slide rails I51 and II through the operation of the servo motor II.

[0057] A tool feed motor 58 is provided on the side of the vertical slide 55 opposite to the vertical slider 54. The output shaft of the tool feed motor 58 is fixedly connected to a feed transmission rod 59. The feed transmission rod 59 passes through the vertical slide 55 and the through hole 53 and is connected to a tool chuck 60. The tool chuck 60 is provided with a precision cutting flat head tool 61. Therefore, through the operation of the tool feed motor 58 and the cooperation of the feed transmission rod 59 and the tool chuck 60, the precision cutting flat head tool 61 performs precision cutting and flat head work on both ends of the pipe.

[0058] In this embodiment, a tool positioning slide rail is provided at the upper end of the feed transmission rod 59, and the tool chuck 60 is arranged on the tool positioning slide rail;

[0059] like Fig.10 As shown, the unloading mechanism includes a plurality of unloading racks 80, and a plurality of unloading racks 80 are provided with unloading guide rails 81. In this embodiment, the unloading racks 80 are provided with a right-high and left-low state, and the angle between the unloading rack 80 and the horizontal plane is 10-15 degrees. The top of the unloading rack 80 is an inclined unloading rack 80 of 10-15 degrees, so that the pipe after the flat head is precisely cut by the transfer mechanism enters the unloading guide rail 81 and enters the next process along the unloading guide rail 81;

[0060] like Fig.11As shown, an L-shaped vertical fixing block Ⅱ82 is provided on the left end of the unloading rack 80, and a cylinder Ⅱ83 is provided on the L-shaped vertical fixing block Ⅱ82. A unloading lifting clamping needle 84 is connected to the output shaft of the cylinder Ⅱ83. Therefore, through the extension and retraction of the cylinder Ⅱ83, the unloading lifting clamping needle 84 can control whether the pipe enters the next process.

[0061] The left end of the plurality of unloading racks 80 is provided with a conveying assembly, such as Figure 12-13 As shown, the conveying assembly includes a plurality of conveying brackets 90, and a rotating shaft 91 is disposed on the top of each of the plurality of conveying brackets 90. Both ends of the rotating shaft 91 are disposed on the conveying brackets 90 through bearing seats.

[0062] The end of the rotating shaft 91 away from the unloading rack 80 extends out of a bearing seat and is connected with two rotating gears I 92.

[0063] The rotating gears I92 on every two conveying brackets 90 are connected by a chain, so that the rotating gears I92 on one end of the rotating shafts 91 on the plurality of conveying brackets 90 are all connected by a chain;

[0064] A rotating roller 93 is also provided on the rotating shaft 91, and the rotating roller 93 is a rotating wheel with large diameters at both ends and a small diameter in the middle.

[0065] A motor fixing seat 96 is provided at the lower part of one of the plurality of conveying brackets 90 , and a servo rotating motor 97 is provided on the motor fixing seat 96 . A rotating gear II 98 is provided on the output shaft of the servo rotating motor 97 , and the rotating gear II 98 is connected to one of the rotating gears I 92 on the rotating shaft 91 through a chain.

[0066] Thus, by the operation of the servo rotating motor 97 and the transmission of the chain, the rotating rollers 93 on the plurality of conveying brackets 90 are caused to roll and the pipe is conveyed to the next process.

[0067] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the technical solutions of the present invention have been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An online automatic fine cutting and flattening equipment for thin-walled pipes, characterized by: The invention comprises a feeding mechanism, a feeding mechanism, a transfer mechanism arranged between the feeding mechanism and the feeding mechanism, and a precision cutting flat head mechanism arranged at both ends of the transfer mechanism; the transfer mechanism comprises a plurality of support rods (10), the tops of the plurality of support rods (10) are connected to a rotating shaft (12) through bearings (11), a plurality of circular transfer plates (13) are fixedly arranged on the rotating shaft (12), a gear I (133) is arranged in the middle of the rotating shaft (12), and a motor support frame (14) is arranged on one side below the gear I (133). ), a rotating motor (15) is provided on the motor support frame (14), and a gear II (16) meshing with the gear I (133) is provided on the output shaft of the rotating motor (15), wherein a plurality of rotating material troughs (21) are evenly provided on the plurality of circular rotating material discs (13), and a telescopic cylinder I (22) is provided on one side of the plurality of circular rotating material discs (13) facing the gear I (133) and one side of the rotating material trough (21), and a pipe clamp (23) is connected to the output shaft of the telescopic cylinder I (22); The precision cutting flat head mechanism comprises a transverse slide rail group I (40), a screw motor (41) is arranged at one end of the transverse slide rail group I (40) away from the material transfer mechanism, a sliding support seat (42) is arranged on the transverse slide rail group I (40), a screw slider is arranged at the lower end of the sliding support seat (42), a transmission screw (43) is arranged on the screw slider, and an output shaft of the screw motor (41) is fixedly connected to the transmission screw (43); The sliding support seat (42) is provided with a longitudinal slide rail group II (45), one end of the longitudinal slide rail group II (45) is provided with a servo motor I, the longitudinal slide rail group II (45) is provided with a longitudinal slider (46), a fixing plate (47) is fixedly provided on the longitudinal slider (46), a screw block (48) is fixedly provided on the fixing plate (47), a screw block (48) is provided on the screw block (48), and one end of the screw (49) is fixedly connected to the output shaft of the servo motor I; A vertical fixed block (50) is provided at one end of the longitudinal slider (46) facing the material transfer mechanism, and a slide rail I (51) and a slide rail II (52) are provided on a side of the vertical fixed block (50) opposite to the material transfer mechanism. A through hole (53) is provided between the slide rail I (51) and the slide rail II (52) and on the vertical fixed block (50). Both the slide rail I (51) and the slide rail II (52) are provided with a vertical slider (54), and a vertical slide plate (55) is connected to the vertical slider (54). A vertical lead screw block (55) is provided on a side of the vertical slide plate (55) facing the through hole (53). 6), a vertical screw (57) is provided on the vertical screw block (56), a servo motor II fixedly connected to the vertical screw (57) is provided on the top of the vertical fixed block (50), a tool feed motor (58) is provided on the side of the vertical slide plate (55) opposite to the vertical slider (54), the output shaft of the tool feed motor (58) is fixedly connected to a feed transmission rod (59), the feed transmission rod (59) passes through the vertical slider (54) and the through hole (53) and is connected to a tool chuck (60), and a precision cutting flat head tool (61) is provided on the tool chuck (60); The unloading mechanism comprises a plurality of unloading racks (80), each of which is provided with an unloading guide rail (81); wherein an L-shaped vertical fixing block II (82) is provided on one side of the left end of the unloading rack (80), a cylinder II (83) is provided on the L-shaped vertical fixing block II (82), and an unloading lifting clamping pin (84) is connected to the output shaft of the cylinder II (83).

2. The thin-walled pipe online automatic fine cutting flat head equipment according to claim 1 is characterized by: A laser sizing slide rail (25) corresponding to the material transfer trough (21) is provided on the circular material transfer disc (13) at the outermost end of the rotating shaft (12) and on a side opposite to the telescopic cylinder I (22), and a laser probe (26) is provided on the laser sizing slide rail (25).

3. The thin-walled pipe online automatic fine cutting flat head equipment according to claim 2 is characterized by: A pipe moving support frame (30) is provided on one side of the gear I (133) and below the rotating shaft (12); an L-shaped fixing plate (31) is fixedly connected to the top of the pipe moving support frame (30); a vertical slide rail (32) is provided on the side of the L-shaped fixing plate (31) facing the rotating shaft (12); a slider (33) is provided on the vertical slide rail (32); a vertical slide plate (34) is provided on the slider (33); a horizontal fixing plate I (35) is provided at the upper end of the vertical slide plate (34) and facing the rotating shaft (12); and a horizontal fixing plate II (36) is provided at the upper end of the vertical slide plate (34) on the side opposite to the horizontal fixing plate I (35).

4. The thin-walled pipe online automatic fine cutting flat head equipment according to claim 3 is characterized by: The L-shaped fixing plate (31) is provided with a telescopic cylinder II (37), and an output shaft of the telescopic cylinder II (37) is fixedly connected to the transverse fixing plate I (35).

5. The thin-walled pipe online automatic fine cutting flat head equipment according to claim 4 is characterized by: A motor (38) is provided on the transverse fixing plate II (36), and a rotating wheel (39) is fixedly connected to the output shaft of the motor (38).

6. The thin-walled pipe online automatic fine cutting flat head equipment according to claim 5 is characterized by: The feeding mechanism comprises a plurality of feeding racks (70), and a plurality of the feeding racks (70) are each provided with a feeding guide rail (71); wherein an L-shaped vertical fixing block I (72) is provided on one side of the left end of the feeding rack (70), a cylinder I (73) is provided on the L-shaped vertical fixing block I (72), and a feeding lifting pin I (74) is connected to the output shaft of the cylinder I (73).

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