Pipe cutting system and pipe cutting method

Abstract

The invention discloses a pipe cutting system and a pipe cutting method. The pipe cutting system comprises a conveying device used for conveying pipes; the cutting device is used for cutting the conveyed pipe into sections so as to obtain pipe products; and the labeling device is used for attaching a product label containing related information of the pipe product to the pipe product, so that the cut pipe product can be identified. According to the pipe cutting system, pipe cutting and product label attaching can be automatically achieved, the production efficiency of pipe products is greatly improved, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The invention relates to a pipe cutting system and a pipe cutting method. Background Art

[0002] In the prior art, during the manufacturing process of tubular products, a continuously supplied tubular material must be cut into segments to produce tubular products of varying lengths. To distinguish these tubular products, product labels containing relevant information must be affixed to the tubular products. However, this prior art requires manual labeling, which reduces tubular production efficiency and increases costs. Summary of the Invention

[0003] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0004] According to one aspect of the present invention, a pipe cutting system is provided. The pipe cutting system includes: a conveying device for conveying pipes; a cutting device for cutting the conveyed pipes into segments to obtain pipe products; and a labeling device for attaching product labels containing relevant information about the pipe products to the pipe products to identify the cut pipe products.

[0005] According to an exemplary embodiment of the present invention, the labeling device attaches a product label corresponding to the tubular product to the conveyed tubular material before the tubular product is cut from the conveyed tubular material.

[0006] According to another exemplary embodiment of the present invention, the product label includes information about the material, model, diameter, wall thickness or length of the pipe product.

[0007] According to another exemplary embodiment of the present invention, the pipe cutting system further includes an unloading device. The unloading device includes a unloading box for accommodating the cut pipe product; and a guide pipe axially opposed to the front end of the conveyed pipe, the guide pipe being configured to receive the pipe product cut from the conveyed pipe and guide the cut pipe product into the unloading box.

[0008] According to another exemplary embodiment of the present invention, when the labeling device attaches the product label to the conveyed pipe, the front end of the conveyed pipe is inserted into and supported in the guide tube of the unloading device; and when the cutting device cuts the conveyed pipe, the front end of the conveyed pipe is inserted into and supported in the guide tube of the unloading device.

[0009] According to another exemplary embodiment of the present invention, the unloading device further comprises: a longitudinal movable frame capable of moving in a longitudinal direction parallel to the axial direction of the conveyed pipe, the guide tube being mounted on the longitudinal movable frame so as to be able to move along the longitudinal direction with the longitudinal movable frame between a guiding position close to the cutting device for guiding the pipe product and an avoidance position away from the cutting device for avoiding the labeling device.

[0010] According to another exemplary embodiment of the present invention, the pipe cutting system further includes: a transverse movable frame capable of moving in a transverse direction perpendicular to the longitudinal direction; and a label supplying device for supplying the product labels and being a predetermined distance away from the cutting device in the transverse direction, the labeling device being mounted on the transverse movable frame so as to be able to move along the transverse direction with the transverse movable frame between a labeling position adjacent to the cutting device for attaching the product labels and a picking position adjacent to the label supplying device for picking up the product labels.

[0011] According to another exemplary embodiment of the present invention, when the labeling device moves to the picking position, the labeling device picks up the product label from the label supply device; when the labeling device moves to the labeling position, the labeling device attaches the picked-up product label to the conveyed pipe.

[0012] According to another exemplary embodiment of the present invention, after the guide tube moves from the guiding position to the avoidance position, the labeling device moves from the picking position to the labeling position; and after the labeling device moves from the labeling position to the picking position, the guide tube moves from the avoidance position to the guiding position.

[0013] According to another exemplary embodiment of the present invention, the pipe cutting system further includes: a first driver for driving the longitudinal moving frame to move along the longitudinal direction; and a second driver for driving the transverse moving frame to move along the transverse direction.

[0014] According to another exemplary embodiment of the present invention, the labeling device includes: a pair of pickup plates rotatably mounted on the transverse moving frame and capable of rotating to open and close relative to each other; and a driver mounted on the transverse moving frame and connected to the pair of pickup plates, for driving the pair of pickup plates to open and close, an array of vacuum suction holes being formed on the surface of the pair of pickup plates, and the pickup plates adsorbing the product labels from the label supply device through the vacuum suction holes.

[0015] According to another exemplary embodiment of the present invention, when picking up the product label, the pair of picking plates are in an open state, so that the product label can be flatly adsorbed onto the surface of the pair of picking plates; when attaching the product label, the pair of picking plates are converted from the open state to the closed state to attach the product label to the outer peripheral surface of the tube.

[0016] According to another exemplary embodiment of the present invention, the label supply device includes: a label tape supply mechanism for supplying a label tape, wherein the label tape includes a carrier tape and a blank label adhered to the carrier tape; and a label printer for printing relevant information of the tubular product onto the blank label of the label tape to obtain the product label.

[0017] According to another exemplary embodiment of the present invention, the label tape supply mechanism includes: a label tape supply reel for supplying the blank labels to the label printer and the product labels to the labeling device; a label tape recovery reel for winding and recovering the carrier tape; and a label tape tensioning roller, arranged between the label tape supply reel and the label tape recovery reel, for tensioning the carrier tape.

[0018] According to another exemplary embodiment of the present invention, the conveying device includes: a frame; a lower conveyor mounted on the frame; and an upper conveyor mounted on the frame and vertically opposite to the lower conveyor, the pipe is clamped between the lower conveyor and the upper conveyor, and the lower conveyor and the upper conveyor utilize friction to convey the pipe forward.

[0019] According to another exemplary embodiment of the present invention, the upper conveyor is movably mounted on the frame and can move in a vertical direction relative to the lower conveyor to be able to adjust the distance between the lower conveyor and the upper conveyor, so that the conveying device can convey pipes of different diameters.

[0020] According to another exemplary embodiment of the present invention, the upper conveyor includes a pair of upper rollers spaced apart in the axial direction of the pipe being conveyed, and an upper conveyor belt connected between the pair of upper rollers. The lower conveyor includes a pair of lower rollers spaced apart in the axial direction of the pipe being conveyed, and a lower conveyor belt connected between the pair of lower rollers, with the pipe being clamped between the upper and lower conveyor belts. When the upper and lower rollers rotate, the upper and lower conveyor belts use friction to drive the pipe forward.

[0021] According to another exemplary embodiment of the present invention, the pipe cutting system further includes: a driving device, installed on the frame, for driving the upper roller and the lower roller to rotate synchronously.

[0022] According to another exemplary embodiment of the present invention, the driving device includes: a lower drive roller connected to the lower roller; an upper drive roller connected to the upper roller; a servo motor having a main drive roller mounted on its output shaft; and a transmission belt connected to the main drive roller, the lower drive roller, and the upper drive roller. When the servo motor drives the main drive roller to rotate, the transmission belt drives the lower drive roller, the upper drive roller, the lower roller, and the upper roller to rotate synchronously.

[0023] According to another exemplary embodiment of the present invention, the driving device further includes: a tensioning roller, disposed between the upper driving roller and the main driving roller, for tensioning the transmission belt.

[0024] According to another exemplary embodiment of the present invention, the pipe cutting system further includes: a vertical movable frame, movably mounted on the frame and capable of moving in a vertical direction, the upper conveyor, the upper drive roller and the tensioning roller being mounted on the vertical movable frame so as to be capable of moving in the vertical direction together with the vertical movable frame.

[0025] According to another exemplary embodiment of the present invention, the pipe cutting system further includes: a driving handle rotatably mounted on the frame and connected to the vertical movable frame, for driving the vertical movable frame to move along the vertical direction; and a locking device mounted on the frame, for locking the vertical movable frame at a predetermined height position.

[0026] According to another exemplary embodiment of the present invention, the pipe cutting system further includes: an inlet pipe fixed to the frame, for guiding the pipe into the conveying device; and an outlet pipe fixed to the frame and opposite to the inlet pipe, for guiding the pipe out of the conveying device.

[0027] According to another exemplary embodiment of the present invention, the cutting device is adjacent to the outlet pipe, and the pipe enters the cutting device from the outlet pipe; the cutting device includes a cutting knife that can move in a vertical direction, and the cutting knife is used to cut the pipe.

[0028] According to another aspect of the present invention, a pipe cutting method is provided, comprising the following steps:

[0029] S10: Provide the aforementioned pipe cutting system;

[0030] S20: Using the conveying device to convey the pipe forward to a predetermined position, so that the front end of the conveyed pipe is inserted into and supported in the guide pipe of the unloading device;

[0031] S30: Pick up product labels from the label supply device using the labeling device;

[0032] S40: moving the guide pipe of the unloading device from the guiding position to the avoidance position;

[0033] S50: moving the labeling device from the picking position to the labeling position, and attaching the picked product label to the tube;

[0034] S60: moving the labeling device from the labeling position to the picking position;

[0035] S70: moving the guide pipe of the unloading device from the avoidance position to the guiding position;

[0036] S80: Cutting the pipe using a cutting device to obtain a pipe product; and

[0037] S90: Return to step S20.

[0038] In the aforementioned exemplary embodiments of the present invention, the pipe cutting system can automatically cut the pipe and attach product labels, thereby greatly improving the production efficiency of the pipe products and reducing the manufacturing cost.

[0039] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 A schematic plan view showing a pipe cutting system according to an exemplary embodiment of the present invention;

[0041] Figure 2 A perspective schematic diagram showing a pipe cutting system according to an exemplary embodiment of the present invention;

[0042] Figure 3 A perspective schematic diagram showing a conveying device and a cutting device of a pipe cutting system according to an exemplary embodiment of the present invention as viewed from one side;

[0043] Figure 4 A perspective schematic diagram showing a conveying device and a cutting device of a pipe cutting system according to an exemplary embodiment of the present invention as viewed from another side;

[0044] Figure 5 A schematic perspective view showing a labeling device of a pipe cutting system according to an exemplary embodiment of the present invention;

[0045] Figure 6 A schematic plan view showing a labeling device of a pipe cutting system according to an exemplary embodiment of the present invention;

[0046] Figure 7 A perspective schematic diagram showing a label supply device of a pipe cutting system according to an exemplary embodiment of the present invention;

[0047] Figure 8 A schematic perspective view showing an unloading device of a pipe cutting system according to an exemplary embodiment of the present invention. DETAILED DESCRIPTION

[0048] The technical solution of the present invention will be further described in detail below through examples and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as limiting the present invention.

[0049] In addition, in the following detailed description, for ease of explanation, numerous specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments can be practiced without these specific details. In other cases, well-known structures and devices are shown in diagrammatic form to simplify the accompanying drawings.

[0050] According to one general technical concept of the present invention, a pipe cutting system is provided. The pipe cutting system includes: a conveying device for conveying pipes; a cutting device for cutting the conveyed pipes into segments to obtain pipe products; and a labeling device for attaching product labels containing relevant information about the pipe products to the pipe products to identify the cut pipe products.

[0051] Figure 1 A schematic plan view showing a pipe cutting system according to an exemplary embodiment of the present invention; Figure 2 A perspective schematic diagram showing a pipe cutting system according to an exemplary embodiment of the present invention; Figure 3 A perspective schematic diagram showing a conveying device 1 and a cutting device 2 of a pipe cutting system according to an exemplary embodiment of the present invention as viewed from one side; Figure 4 A perspective schematic diagram showing a conveying device 1 and a cutting device 2 of a pipe cutting system according to an exemplary embodiment of the present invention as viewed from another side; Figure 5 A schematic perspective view showing a labeling device 3 of a pipe cutting system according to an exemplary embodiment of the present invention; Figure 6 A schematic plan view showing a labeling device 3 of a pipe cutting system according to an exemplary embodiment of the present invention; Figure 7 A perspective schematic diagram showing a label supply device 4 of a pipe cutting system according to an exemplary embodiment of the present invention; Figure 8A perspective schematic diagram shows an unloading device 5 of a pipe cutting system according to an exemplary embodiment of the present invention.

[0052] like Figures 1 to 8 As shown, in an exemplary embodiment of the present invention, a pipe cutting system is disclosed. The pipe cutting system includes a conveying device 1, a cutting device 2, and a labeling device 3. The conveying device 1 is used to convey a pipe 6. The cutting device 2 is used to cut the conveyed pipe 6 into segments to obtain pipe products. The labeling device 3 is used to attach a product label 40b containing relevant information about the pipe product to the pipe product to identify the cut pipe product.

[0053] like Figures 1 to 8 As shown, in the illustrated embodiment, the labeling device 3 attaches a product label 40 b corresponding to the tubular product to the conveyed tubular material 6 before the tubular product is cut from the conveyed tubular material 6 .

[0054] like Figures 1 to 8 As shown, in the illustrated embodiment, the product label 40b includes information on the material, model, diameter, wall thickness or length of the pipe product.

[0055] like Figures 1 to 8 As shown, in the illustrated embodiment, the pipe cutting system further includes an unloading device 5. The unloading device 5 comprises a discharge box 53 and a guide pipe 52. The discharge box 53 is used to accommodate the cut pipe products. The guide pipe 52 is axially opposed to the front end of the conveyed pipe 6. The guide pipe 52 is used to receive the pipe products cut from the conveyed pipe 6 and guide the cut pipe products into the discharge box 53.

[0056] like Figures 1 to 8 As shown, in the illustrated embodiment, when the labeling device 3 attaches the product label 40b to the conveyed tube 6, the front end of the conveyed tube 6 is inserted into and supported by the guide tube 52 of the unloading device 5. When the cutting device 2 cuts the conveyed tube 6, the front end of the conveyed tube 6 is inserted into and supported by the guide tube 52 of the unloading device 5.

[0057] like Figures 1 to 8 As shown, in the illustrated embodiment, the unloading device 5 further includes a longitudinal movable frame 51, which is movable in a longitudinal direction Y parallel to the axial direction of the conveyed pipe 6. A guide tube 52 is mounted on the longitudinal movable frame 51 so as to be movable along the longitudinal direction Y with the longitudinal movable frame 51 between a guiding position close to the cutting device 2 for guiding the pipe product and a avoiding position away from the cutting device 2 for avoiding the labeling device 3.

[0058] like Figures 1 to 8As shown, in the illustrated embodiment, the pipe cutting system further includes a transverse movable frame 31 and a label supply device 4. The transverse movable frame 31 is movable in a transverse direction X, which is perpendicular to the longitudinal direction Y. The label supply device 4 is used to supply product labels 40b and is located a predetermined distance from the cutting device 2 in the transverse direction X. The labeling device 3 is mounted on the transverse movable frame 31 so as to be movable along the transverse direction X between a labeling position adjacent to the cutting device 2 for attaching product labels 40b and a pickup position adjacent to the label supply device 4 for picking up product labels 40b.

[0059] like Figures 1 to 8 As shown, in the illustrated embodiment, when the labeling device 3 moves to the picking position, the labeling device 3 picks up the product label 40b from the label supply device 4. When the labeling device 3 moves to the labeling position, the labeling device 3 attaches the picked-up product label 40b to the conveyed pipe 6.

[0060] like Figures 1 to 8 As shown, in the illustrated embodiment, after the guide tube 52 moves from the guiding position to the avoidance position, the labeling device 3 moves from the picking position to the labeling position. After the labeling device 3 moves from the labeling position to the picking position, the guide tube 52 moves from the avoidance position to the guiding position.

[0061] like Figures 1 to 8 As shown, in the illustrated embodiment, the pipe cutting system further includes: a first driver 50 and a second driver 30. The first driver 50 is used to drive the longitudinal moving frame 51 to move in the longitudinal direction Y. The second driver 30 is used to drive the transverse moving frame 31 to move in the transverse direction X.

[0062] like Figures 1 to 8 As shown, in the illustrated embodiment, the labeling device 3 includes a pair of pickup plates 32 and a driver 33. The pair of pickup plates 32 are rotatably mounted on the transverse movable frame 31 and can be rotated to open and close relative to each other. The driver 33 is mounted on the transverse movable frame 31 and connected to the pair of pickup plates 32, and is used to drive the pair of pickup plates 32 to open and close. The pair of pickup plates 32 have an array of vacuum holes 32a formed on their surfaces. The pickup plates 32 absorb product labels 40b from the label supply device 4 through the vacuum holes 32a.

[0063] like Figures 1 to 8 As shown, in the illustrated embodiment, when picking up the product label 40b, the pair of pick-up plates 32 is in an open state, so that the product label 40b can be smoothly adsorbed onto the surface of the pair of pick-up plates 32. When attaching the product label 40b, the pair of pick-up plates 32 is switched from the open state to the closed state to attach the product label 40b to the outer circumferential surface of the tube 6.

[0064] like Figures 1 to 8In the illustrated embodiment, the label supply device 4 includes label tape supply mechanisms 41, 42, and 43, and a label printer 44. The label tape supply mechanisms 41, 42, and 43 are used to supply label tape 40, which includes a carrier tape 40a and blank labels 40b' adhered to the carrier tape 40a. The label printer 44 is used to print information related to the tubular product onto the blank labels 40b' of the label tape 40, thereby obtaining product labels 40b.

[0065] like Figures 1 to 8 As shown, in the illustrated embodiment, the label tape supply mechanism 41, 42, and 43 includes a label tape supply reel 41, a label tape recovery reel 42, and a label tape tensioning roller 43. The label tape supply reel 41 is used to supply blank labels 40b' to the label printer 44 and to supply product labels 40b to the labeling device 3. The label tape recovery reel 42 is used to wind and recover the carrier tape 40a. The label tape tensioning roller 43 is disposed between the label tape supply reel 41 and the label tape recovery reel 42 and is used to tension the carrier tape 40a.

[0066] like Figures 1 to 8 As shown, in the illustrated embodiment, the conveying device 1 includes a frame 10, a lower conveyor 11, and an upper conveyor 12. The lower conveyor 11 is mounted on the frame 10. The upper conveyor 12 is mounted on the frame 10 and is vertically opposite to the lower conveyor 11. The pipe 6 is clamped between the lower conveyor 11 and the upper conveyor 12, and the lower conveyor 11 and the upper conveyor 12 use friction to convey the pipe 6 forward.

[0067] like Figures 1 to 8 As shown, in the illustrated embodiment, the upper conveyor 12 is movably mounted on the frame 10 and can move in the vertical direction Z relative to the lower conveyor 11 to be able to adjust the distance between the lower conveyor 11 and the upper conveyor 12, so that the conveying device 1 can convey pipes 6 of different diameters.

[0068] like Figures 1 to 8 As shown, in the illustrated embodiment, the upper conveyor 12 includes a pair of upper rollers 12a and an upper conveyor belt 12b. The pair of upper rollers 12a are spaced apart in the axial direction of the pipe 6 being conveyed. The upper conveyor belt 12b is connected between the pair of upper rollers 12a. The lower conveyor 11 includes a pair of lower rollers 11a and a lower conveyor belt 11b. The pair of lower rollers 11a are spaced apart in the axial direction of the pipe 6 being conveyed. The lower conveyor belt 11b is connected between the pair of lower rollers 11a. The pipe 6 is clamped between the upper conveyor belt 12b and the lower conveyor belt 11b. When the upper rollers 12a and the lower rollers 11a rotate, the upper conveyor belt 12b and the lower conveyor belt 11b use friction to drive the pipe 6 forward.

[0069] like Figures 1 to 8As shown, in the illustrated embodiment, the pipe cutting system further includes a driving device 13 , which is mounted on the frame 10 and is used to drive the upper roller 12 a and the lower roller 11 a to rotate synchronously.

[0070] like Figures 1 to 8 As shown, in the illustrated embodiment, the drive device 13 includes a lower drive roller 131, an upper drive roller 132, a servo motor 130, and a transmission belt 135. The lower drive roller 131 is connected to the lower roller 11a. The upper drive roller 132 is connected to the upper roller 12a. A main drive roller 134 is mounted on the output shaft of the servo motor 130. The transmission belt 135 is connected to the main drive roller 134, the lower drive roller 131, and the upper drive roller 132. When the servo motor 130 drives the main drive roller 134 to rotate, the transmission belt 135 drives the lower drive roller 131, the upper drive roller 132, the lower roller 11a, and the upper roller 12a to rotate synchronously.

[0071] like Figures 1 to 8 As shown, in the illustrated embodiment, the driving device 13 further includes a tensioning roller 133 , which is disposed between the upper driving roller 132 and the main driving roller 134 for tensioning the transmission belt 135 .

[0072] like Figures 1 to 8 As shown, in the illustrated embodiment, the pipe cutting system further includes a vertical moving frame 110, which is movably mounted on the frame 10 and is capable of moving in the vertical direction Z. The upper conveyor 12, the upper drive roller 132, and the tension roller 133 are mounted on the vertical moving frame 110 so as to be capable of moving in the vertical direction Z together with the vertical moving frame 110.

[0073] like Figures 1 to 8 As shown, in the illustrated embodiment, the pipe cutting system further includes a drive handle 19 and a locking device (not shown). The drive handle 19 is rotatably mounted on the frame 10 and connected to the vertical movable frame 110, and is used to drive the vertical movable frame 110 to move in the vertical direction Z. The locking device is mounted on the frame 10 and is used to lock the vertical movable frame 110 at a predetermined height.

[0074] like Figures 1 to 8 As shown, in the illustrated embodiment, the pipe cutting system further includes an inlet pipe 101 and an outlet pipe 102. The inlet pipe 101 is fixed to the frame 10 and is used to guide the pipe 6 into the conveying device 1. The outlet pipe 102 is fixed to the frame 10 and is opposite to the inlet pipe 101 and is used to guide the pipe 6 out of the conveying device 1.

[0075] like Figures 1 to 8As shown, in the illustrated embodiment, the cutting device 2 is adjacent to the outlet pipe 102, and the pipe 6 enters the cutting device 2 from the outlet pipe 102. The cutting device 2 includes a cutting knife 21 that can move along the vertical direction Z, and the cutting knife 21 is used to cut the pipe 6.

[0076] like Figures 1 to 8 As shown, in another exemplary embodiment of the present invention, a pipe cutting method is also disclosed. The pipe cutting method includes the following steps:

[0077] S10: Provide the aforementioned pipe cutting system;

[0078] S20: The pipe 6 is conveyed forward to a predetermined position by the conveying device 1, so that the front end of the conveyed pipe 6 is inserted into and supported in the guide pipe 52 of the unloading device 5;

[0079] S30: Pick up the product label 40b from the label supply device 4 using the labeling device 3;

[0080] S40: moving the guide pipe 52 of the unloading device 5 from the guiding position to the avoidance position;

[0081] S50: moving the labeling device 3 from the picking position to the labeling position, and attaching the picked product label 40b to the tube 6;

[0082] S60: moving the labeling device 3 from the labeling position to the picking position;

[0083] S70: moving the guide pipe 52 of the unloading device 5 from the avoidance position to the guiding position;

[0084] S80: Cutting the pipe 6 by the cutting device 2 to obtain a pipe product; and

[0085] S90: Return to step S20.

[0086] After returning to step S20 , the previously cut pipe product will slide from the guide pipe 52 into the discharge box 53 under the push of the front end of the conveyed pipe 6 .

[0087] Those skilled in the art will understand that the embodiments described above are exemplary and can be improved by those skilled in the art. The structures described in various embodiments can be freely combined without causing any conflicts in structure or principle. These changes should fall within the scope of protection of the present invention.

[0088] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify the preferred embodiments of the present invention and should not be construed as limiting the present invention.

[0089] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

[0090] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference in the claims should not be construed as limiting the scope of the invention.

Claims

1. A pipe cutting system, characterized in that: include: A conveying device (1) for conveying a pipe (6); A cutting device (2) for cutting the transported pipe (6) into segments to obtain pipe products; and The labeling device (3) is used to attach a product label (40b) containing relevant information of the tubular product to the tubular product so as to be able to identify the cut tubular product.

2. The pipe cutting system according to claim 1, characterized in that: The labeling device (3) attaches a product label (40b) corresponding to the tubular product to the transported tubular (6) before the tubular product is cut from the transported tubular (6).

3. The pipe cutting system according to claim 1, wherein: The product label (40b) contains the material, model, diameter, wall thickness or length information of the pipe product.

4. The pipe cutting system according to claim 2, characterized in that: Also includes: The unloading device (5) comprises: a discharge box (53) for accommodating the cut pipe products; and The guide tube (52) is axially opposite to the front end of the transported pipe (6), and is used to receive the pipe product cut from the transported pipe (6) and guide the cut pipe product into the discharge box (53).

5. The pipe cutting system according to claim 4, characterized in that: When the labeling device (3) attaches the product label (40b) to the transported pipe (6), the front end of the transported pipe (6) is inserted into and supported in the guide pipe (52) of the unloading device (5); and When the cutting device (2) cuts the transported pipe (6), the front end of the transported pipe (6) is inserted into and supported by the guide pipe (52) of the unloading device (5).

6. The pipe cutting system according to claim 4, characterized in that: The unloading device (5) further comprises: The longitudinal moving frame (51) is capable of moving in a longitudinal direction (Y) parallel to the axial direction of the pipe (6) being transported. The guide tube (52) is mounted on the longitudinal movable frame (51) so as to be movable along the longitudinal direction (Y) with the longitudinal movable frame (51) between a guiding position close to the cutting device (2) for guiding the tubular product and a avoiding position away from the cutting device (2) for avoiding the labeling device (3).

7. The pipe cutting system according to claim 6, characterized in that: Also includes: a transverse movable frame (31) capable of moving in a transverse direction (X) perpendicular to the longitudinal direction (Y); and a label supply device (4) for supplying the product label (40b) and being spaced a predetermined distance from the cutting device (2) in the transverse direction (X), The labeling device (3) is mounted on the transverse movable frame (31) so as to be movable along the transverse direction (X) with the transverse movable frame (31) between a labeling position adjacent to the cutting device (2) for attaching the product label (40b) and a picking position adjacent to the label supply device (4) for picking up the product label (40b).

8. The pipe cutting system according to claim 7, characterized in that: When the labeling device (3) moves to the picking position, the labeling device (3) picks up the product label (40b) from the label supply device (4); When the labeling device (3) moves to the labeling position, the labeling device (3) attaches the picked-up product label (40b) to the transported pipe (6).

9. The pipe cutting system according to claim 7, characterized in that: After the guide tube (52) moves from the guide position to the avoidance position, the labeling device (3) moves from the picking position to the labeling position; and After the labeling device (3) moves from the labeling position to the picking position, the guide tube (52) moves from the avoidance position to the guiding position.

10. The pipe cutting system according to claim 7, wherein: Also includes: a first driver (50) for driving the longitudinal movable frame (51) to move along the longitudinal direction (Y); and The second driver (30) is used to drive the transverse moving frame (31) to move along the transverse direction (X).

11. The pipe cutting system according to claim 7, wherein: The labeling device (3) comprises: a pair of pick-up plates (32) rotatably mounted on the transversely movable frame (31) and capable of being rotatably opened and closed relative to each other; and A driver (33) is mounted on the transverse moving frame (31) and connected to the pair of pickup plates (32), and is used to drive the pair of pickup plates (32) to open and close. Vacuum suction holes (32a) distributed in an array are formed on the surface of the pair of pickup plates (32). The pickup plates (32) absorb the product labels (40b) from the label supply device (4) through the vacuum suction holes (32a).

12. The pipe cutting system according to claim 11, characterized in that: When picking up the product label (40b), the pair of picking plates (32) are in an open state, so that the product label (40b) can be flatly adsorbed onto the surface of the pair of picking plates (32); When attaching the product label (40b), the pair of pick-up plates (32) are switched from the open state to the closed state to attach the product label (40b) to the outer peripheral surface of the tube (6).

13. The pipe cutting system according to claim 7, wherein: The label supply device (4) comprises: a label tape supply mechanism (41, 42, 43) for supplying a label tape (40), wherein the label tape (40) comprises a carrier tape (40a) and a blank label (40b') adhered to the carrier tape (40a); and A label printer (44) is used to print relevant information of the tubular product onto the blank label (40b') of the label tape (40) to obtain the product label (40b).

14. The pipe cutting system according to claim 13, wherein: The label tape supply mechanism (41, 42, 43) comprises: a label tape supply reel (41) for supplying the blank labels (40b') to the label printer (44) and the product labels (40b) to the labeling device (3); a label tape recovery reel (42) for winding and recovering the carrier tape (40a); and A label tape tensioning roller (43) is arranged between the label tape supply reel (41) and the label tape recovery reel (42) and is used for tensioning the carrier tape (40a).

15. The pipe cutting system according to claim 1, wherein: The conveying device (1) comprises: Frame (10); a lower conveyor (11) mounted on the frame (10); and An upper conveyor (12) is mounted on the frame (10) and is vertically opposite to the lower conveyor (11). The pipe (6) is clamped between the lower conveyor (11) and the upper conveyor (12), and the lower conveyor (11) and the upper conveyor (12) use friction to convey the pipe (6) forward.

16. The pipe cutting system according to claim 15, wherein: The upper conveyor (12) is movably mounted on the frame (10) and is movable in a vertical direction (Z) relative to the lower conveyor (11) so as to adjust the distance between the lower conveyor (11) and the upper conveyor (12), so that the conveying device (1) can convey pipes (6) of different diameters.

17. The pipe cutting system according to claim 16, wherein: The upper conveyor (12) comprises: a pair of upper rollers (12a) spaced apart in the axial direction of the pipe (6) being conveyed; and An upper conveyor belt (12b) is connected between the pair of upper rollers (12a), and the lower conveyor (11) includes: a pair of lower rollers (11a) spaced apart in the axial direction of the pipe (6) being conveyed; and The lower conveyor belt (11b) is connected between the pair of lower rollers (11a), and the pipe (6) is clamped between the upper conveyor belt (12b) and the lower conveyor belt (11b). When the upper roller (12a) and the lower roller (11a) rotate, the upper conveyor belt (12b) and the lower conveyor belt (11b) drive the pipe (6) forward by friction.

18. The pipe cutting system according to claim 17, wherein: Also includes: A driving device (13) is installed on the frame (10) and is used to drive the upper roller (12a) and the lower roller (11a) to rotate synchronously.

19. The pipe cutting system according to claim 18, wherein: The driving device (13) comprises: A lower driving roller (131) connected to the lower roller (11a); an upper driving roller (132) connected to the upper roller (12a); a servo motor (130) having a main drive roller (134) mounted on its output shaft; and A transmission belt (135) is connected to the main driving roller (134), the lower driving roller (131) and the upper driving roller (132). When the servo motor (130) drives the main driving roller (134) to rotate, the transmission belt (135) drives the lower driving roller (131), the upper driving roller (132), the lower roller (11a) and the upper roller (12a) to rotate synchronously.

20. The pipe cutting system according to claim 19, wherein: The driving device (13) further comprises: A tensioning roller (133) is provided between the upper driving roller (132) and the main driving roller (134) and is used for tensioning the transmission belt (135).

21. The pipe cutting system according to claim 20, wherein: Also includes: A vertical movable frame (110) is movably mounted on the frame (10) and is capable of moving in a vertical direction (Z). The upper conveyor (12), the upper driving roller (132) and the tensioning roller (133) are mounted on the vertical moving frame (110) so as to be movable along the vertical direction (Z) with the vertical moving frame (110).

22. The pipe cutting system according to claim 21, wherein: Also includes: a driving handle (19) rotatably mounted on the frame (10) and connected to the vertical movable frame (110), for driving the vertical movable frame (110) to move along the vertical direction (Z); and A locking device is mounted on the frame (10) and is used to lock the vertical movable frame (110) at a predetermined height position.

23. The pipe cutting system according to claim 15, wherein: Also includes: an inlet pipe (101) fixed to the frame (10) and used to guide the pipe (6) into the conveying device (1); and An outlet pipe (102) is fixed to the frame (10) and is opposite to the inlet pipe (101), and is used to guide the pipe (6) to leave the conveying device (1).

24. The pipe cutting system according to claim 23, wherein: The cutting device (2) is adjacent to the outlet pipe (102), and the pipe (6) enters the cutting device (2) from the outlet pipe (102); The cutting device (2) comprises a cutting knife (21) that can move along a vertical direction (Z), and the cutting knife (21) is used to cut the pipe (6).

25. A pipe cutting method, characterized in that: The following steps are involved: S10: Providing a pipe cutting system according to any one of claims 1 to 24; S20: using the conveying device (1) to convey the pipe (6) forward to a predetermined position, so that the front end of the conveyed pipe (6) is inserted into and supported in the guide pipe (52) of the unloading device (5); S30: Picking up a product label (40b) from the label supply device (4) using the labeling device (3); S40: moving the guide pipe (52) of the unloading device (5) from the guiding position to the avoiding position; S50: moving the labeling device (3) from the picking position to the labeling position, and attaching the picked product label (40b) to the pipe (6); S60: moving the labeling device (3) from the labeling position to the picking position; S70: moving the guide pipe (52) of the unloading device (5) from the avoidance position to the guiding position; S80: Cutting the pipe (6) by using the cutting device (2) to obtain a pipe product; and S90: Return to step S20.

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