A feeding device for a tube laser cutting machine

Abstract

The utility model discloses a feeding device for a tube laser cutting machine, which relates to the field of tube cutting. Its technical points are as follows: it comprises a feeding rack, a feeding cavity and a conveying channel are provided inside the feeding rack, a feeding port is provided on one side of the feeding rack, the feeding port is connected to the conveying channel, the conveying channel is located between the feeding cavity and the feeding port, the conveying channel is connected to the feeding cavity, a temporary storage movable seat and a transfer clamp block are provided inside the feeding rack which can be raised and lowered, the temporary storage movable seat and the transfer clamp block are arranged close to the conveying channel, and the purpose is to solve the problem that the laser cutting machine can only cut one tube at a time, so the feeding device can only feed one tube at a time, so that after the laser cutting machine cuts, the laser cutting machine still needs to wait for the feeding device to re-receive the tube of the conveying device, resulting in a long feeding interval and low cutting efficiency.

Description

Technical Field

[0001] The utility model relates to the field of pipe cutting, in particular to a feeding device for a pipe laser cutting machine. Background Art

[0002] The laser cutting machine focuses the laser light emitted from the laser into a high-power density laser beam through the optical path system. The laser beam irradiates the surface of the workpiece, causing the workpiece to reach the melting point or boiling point, and at the same time, the high-pressure gas coaxial with the beam blows away the molten or vaporized metal. As the relative position of the beam and the pipe moves, the material is eventually cut, thereby achieving the purpose of cutting.

[0003] At present, in the process of cutting pipes, the pipes need to be transported to the feeding device through the conveying device, and the feeding device then feeds the pipes transported by the conveying device, so that the feeding device feeds the pipes to the laser cutting machine for cutting. However, since the laser cutting machine can only cut one pipe at a time, the feeding device can only feed one pipe at a time. Therefore, after the laser cutting machine cuts, the laser cutting machine needs to wait for the feeding device to receive the pipe from the conveying device again, resulting in a long feeding interval and low cutting efficiency. Utility Model Content

[0004] In order to solve the above-mentioned technical problems, the utility model provides a feeding device for a tube laser cutting machine, aiming to solve the technical problem that since the laser cutting machine can only cut one tube at a time, the feeding device can only feed one tube at a time, so that after the laser cutting machine cuts, the laser cutting machine needs to wait for the feeding device to re-receive the tube from the conveying device, resulting in a long feeding interval and low cutting efficiency.

[0005] The technical solution of the utility model to solve the above technical problems is:

[0006] A feeding device for a tube laser cutting machine comprises a feeding rack, wherein a feeding cavity and a conveying channel are provided inside the feeding rack, a feeding port is provided on one side of the feeding rack, the feeding port is connected to the conveying channel, the conveying channel is located between the feeding cavity and the feeding port, the conveying channel is connected to the feeding cavity, a temporary storage movable seat and a transfer clamp block are provided inside the feeding rack, the temporary storage movable seat and the transfer clamp block are arranged close to the conveying channel, and the transfer clamp block is separated from one side of the conveying channel to form a center A transfer clamping interval, a first limiting protrusion extends from one side of the temporary storage movable seat, a second limiting protrusion extends from one side of the loading port, the first limiting protrusion is located in the loading port, the first limiting protrusion and the second limiting protrusion are separated to form a limiting interval, a third limiting protrusion extends from the top of the temporary storage movable seat, the third limiting protrusion is located between the transfer clamping interval and the loading cavity, the third limiting protrusion and the first limiting protrusion are separated to form a temporary storage interval, and the temporary storage interval is connected to the transfer clamping interval.

[0007] When the conveying device conveys the first pipe to the loading port, the temporary storage movable seat rises, and the temporary storage movable seat drives the first limiting protrusion to move to the loading port, so that the limiting interval between the first limiting protrusion and the second limiting protrusion limits the first pipe, and the temporary storage movable seat descends. When the first pipe slides along the conveying channel to the transfer clamping interval, the transfer clamping block rises, so that the first pipe is clamped by the transfer clamping interval, the temporary storage movable seat rises, and the transfer clamping block descends, and the first pipe stays between the first limiting protrusion and the third limiting protrusion. Temporary storage interval, at this time the first limit protrusion and the second limit protrusion are separated again to form a limit interval, so that the conveying device can convey the second pipe to the limit interval, when the temporary storage movable seat descends and the transfer clamp is raised, the second pipe is clamped by the transfer clamping interval again, and the first pipe leaves the temporary storage interval and slides into the loading cavity for processing, so that the laser cutting machine does not need to wait for a long time for the loading device to receive the pipe from the conveying device again, and the pipe can be conveyed quickly, which effectively shortens the loading interval and improves the cutting efficiency.

[0008] Furthermore, in the present application, a transfer clamping frame is provided inside the loading rack, one side of the transfer clamping frame extends to one side of the conveying channel, and the transfer clamping interval is formed by the transfer clamping frame and the transfer clamping block.

[0009] When the pipe slides down the transfer clamping interval, the transfer clamping block rises toward one side of the transfer clamping frame, so that the transfer clamping block and the transfer clamping frame clamp the pipe, and extend through one side of the transfer clamping frame to one side of the conveying channel, thereby shortening the moving distance of the transfer clamping block, so that the transfer clamping block can be quickly raised to clamp the pipe.

[0010] Furthermore, in the present application, a transfer movable cylinder and a pushing cylinder are provided inside the loading rack, the pushing cylinder is connected to the temporary storage movable seat, and the transfer movable cylinder is connected to the transfer clamping block.

[0011] When the pushing cylinder is started, the pushing cylinder drives the temporary storage movable seat to rise and fall, so as to facilitate the placement of the pipe in the limit interval or the transfer clamping interval; when the transfer movable cylinder is started, the transfer movable cylinder drives the transfer clamping block to rise and fall, so as to facilitate the clamping of the pipe in the transfer clamping interval.

[0012] Furthermore, in the present application, a screening cylinder is provided inside the feeding rack, a screening rack is provided at the piston rod end of the screening cylinder, and one side of the screening rack faces the feeding port.

[0013] Furthermore, in the present application, a conveying frame is provided on one side of the loading frame, a conveying belt is connected to one side of the conveying frame, a winding roller is rotatably connected inside the loading frame, one end of the conveying belt is wound around the outer edge of the winding roller, and a conveying surface is provided on one side of the conveying belt so that when the conveying belt is tensioned, the conveying surface is inclined toward the loading port.

[0014] Furthermore, in the present application, a conveying motor is provided inside the loading rack, and the conveying motor drives the winding roller to rotate. The internal rotation of the loading rack is connected to a guide roller, and the guide roller is located above the winding roller. The guide roller is close to the loading port, and the guide roller rolls with the other side of the conveying belt.

[0015] Further, in the present application, a guide frame is provided inside the loading frame, and a guide roller is rotatably connected to the top of the guide frame, and the guide roller faces the loading cavity.

[0016] Furthermore, in the present application, a guide limit groove is provided on the outer edge of the guide roller, and the guide limit groove is connected to the feeding cavity.

[0017] Furthermore, in the present application, a cutting clamping seat is provided inside the loading rack, a clamping double-bar cylinder is provided on the top of the cutting clamping seat, cutting clamping blocks are provided on both sides of the clamping double-bar cylinder, and the two cutting clamping blocks are separated to form a cutting clamping gap, and the cutting clamping gap is connected to the loading cavity.

[0018] Furthermore, in the present application, a counting seat is provided at one end of the feeding rack, a counting double-bar cylinder is provided on the top of the counting seat, counting movable seats are provided on both sides of the counting double-bar cylinder, one side of the counting movable seats on both sides of the counting double-bar cylinder are rotatably connected with counting rollers, the counting rollers on both sides of the counting double-bar cylinder are separated to form a counting limit interval, and the counting limit interval is connected to the feeding cavity.

[0019] The utility model has the following beneficial effects:

[0020] When the conveying device conveys the first pipe to the loading port, the temporary storage movable seat rises, and the temporary storage movable seat drives the first limiting protrusion to move to the loading port, so that the limiting interval between the first limiting protrusion and the second limiting protrusion limits the first pipe, and the temporary storage movable seat descends. When the first pipe slides along the conveying channel to the transfer clamping interval, the transfer clamping block rises, so that the first pipe is clamped by the transfer clamping interval, the temporary storage movable seat rises, and the transfer clamping block descends, and the first pipe stays between the first limiting protrusion and the third limiting protrusion. Temporary storage interval, at this time the first limit protrusion and the second limit protrusion are separated again to form a limit interval, so that the conveying device can convey the second pipe to the limit interval, when the temporary storage movable seat descends and the transfer clamp is raised, the second pipe is clamped by the transfer clamping interval again, and the first pipe leaves the temporary storage interval and slides into the loading cavity for processing, so that the laser cutting machine does not need to wait for a long time for the loading device to receive the pipe from the conveying device again, and the pipe can be conveyed quickly, which effectively shortens the loading interval and improves the cutting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 It is a structural schematic diagram of the conveying channel of the utility model.

[0023] Figure 3 It is a structural schematic diagram of the transfer clamping interval of the utility model.

[0024] Figure 4 It is a structural schematic diagram of the conveyor belt of the utility model.

[0025] Figure 5 It is a structural schematic diagram of the first limiting protrusion and the second limiting protrusion of the utility model.

[0026] Figure 6 It is a structural schematic diagram of a screening rack of the utility model.

[0027] Figure 7 It is a structural schematic diagram of the guide limiting groove of the utility model.

[0028] Figure 8 It is a structural schematic diagram of the counting roller of the utility model.

[0029] Wherein, the reference numerals are:

[0030] 1. Loading rack; 2. Conveying rack; 3. Conveying belt; 4. Guide roller; 5. Loading port; 6. Winding roller; 7. Conveying motor; 8. Loading cavity; 9. Conveying channel; 10. Limiting interval; 11. Temporary storage interval; 12. Transfer clamping interval; 13. Transfer clamping rack; 14. Transfer clamping block; 15. Temporary storage movable seat; 16. First limiting convex block; 17. Second limiting convex block; 18. Pushing cylinder; 19. Transfer movable seat Moving cylinder; 20, screening cylinder; 21, screening frame; 22, guide frame; 23, guide roller; 24, cutting clamping seat; 25, clamping double-bar cylinder; 26, cutting clamping block; 27, cutting clamping interval; 28, counting seat; 29, counting double-bar cylinder; 30, counting roller; 31, counting limit interval; 32, counting movable seat; 33, pipe; 34, third limit protrusion; 35, guide limit groove; 36, conveying surface. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0033] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0034] Reference Figure 1-Figure 6 In some specific embodiments, a feeding device for a tube laser cutting machine includes a feeding rack 1, a feeding cavity 8 and a conveying channel 9 are provided inside the feeding rack 1, a feeding port 5 is provided on one side of the feeding rack 1, the feeding port 5 is connected to the conveying channel 9, the conveying channel 9 is located between the feeding cavity 8 and the feeding port 5, the conveying channel 9 is connected to the feeding cavity 8, and a temporary storage movable seat 15 and a transfer clamp 14 are provided inside the feeding rack 1, which can be raised and lowered, and the temporary storage movable seat 15 and the transfer clamp 14 are arranged close to the conveying channel 9, and the transfer clamp 14 is separated from one side of the conveying channel 9 by a shape. A transfer clamping interval 12 is formed, a first limiting protrusion 16 is extended from one side of the temporary storage movable seat 15, a second limiting protrusion 17 is extended from one side of the loading port 5, the first limiting protrusion 16 is located in the loading port 5, the first limiting protrusion 16 and the second limiting protrusion 17 are separated to form a limiting interval 10, a third limiting protrusion 34 is extended from the top of the temporary storage movable seat 15, the third limiting protrusion 34 is located between the transfer clamping interval 12 and the loading cavity 8, the third limiting protrusion 34 and the first limiting protrusion 16 are separated to form a temporary storage interval 11, and the temporary storage interval 11 is connected to the transfer clamping interval 12.

[0035] Through the above technical solution, when the conveying device conveys the first tube 33 to the loading port 5, the temporary storage movable seat 15 rises, and the temporary storage movable seat 15 drives the first limiting protrusion 16 to move to the loading port 5, so that the limiting interval 10 between the first limiting protrusion 16 and the second limiting protrusion 17 limits the first tube 33, and the temporary storage movable seat 15 descends. When the first tube 33 slides along the conveying channel 9 to the transfer clamping interval 12, the transfer clamping block 14 rises, so that the first tube 33 is clamped by the transfer clamping interval 12, the temporary storage movable seat 15 rises, and the transfer clamping block 14 descends, and the first tube 33 stays at the first limiting protrusion 16 and the third limiting protrusion. 34, at this time, the first limiting protrusion 16 and the second limiting protrusion 17 are separated again to form a limiting interval 10, so that the conveying device can convey the second pipe 33 to the limiting interval 10, when the temporary storage movable seat 15 descends and the transfer clamping block 14 rises, the second pipe 33 is clamped by the transfer clamping interval 12 again, and the steps of the first pipe are repeated. After the first pipe 33 is separated from the temporary storage interval 11, it slides into the feeding cavity 8 for processing, so that the laser cutting machine does not need to wait for a long time for the feeding device to receive the pipe 33 of the conveying device again, and the pipe 33 can be conveyed quickly, which effectively shortens the feeding interval and improves the cutting efficiency.

[0036] Reference Figure 2-Figure 3 In some specific embodiments, a transfer clamping frame 13 is provided inside the loading rack 1, one side of the transfer clamping frame 13 extends to one side of the conveying channel 9, and the transfer clamping interval 12 is formed by the transfer clamping frame 13 and the transfer clamping block 14.

[0037] Through the above technical solution, when the pipe 33 slides down the transfer clamping interval 12, the transfer clamping block 14 rises toward one side of the transfer clamping frame 13, so that the transfer clamping block 14 and the transfer clamping frame 13 clamp the pipe 33, and extend through one side of the transfer clamping frame 13 to one side of the conveying channel 9, thereby shortening the moving distance of the transfer clamping block 14, so that the transfer clamping block 14 can be quickly raised to clamp the pipe 33.

[0038] Reference Figure 2-Figure 3 In some specific embodiments, a transfer movable cylinder 19 and a pushing cylinder 18 are provided inside the loading rack 1 , the pushing cylinder 18 is connected to the temporary storage movable seat 15 , and the transfer movable cylinder 19 is connected to the transfer clamping block 14 .

[0039] Through the above technical scheme, when the pushing cylinder 18 is started, the pushing cylinder 18 drives the temporary storage movable seat 15 to rise and fall, so as to facilitate the placement of the pipe 33 in the limit interval 10 or the transfer clamping interval 12; when the transfer movable cylinder 19 is started, the transfer movable cylinder 19 drives the transfer clamping block 14 to rise and fall, so as to facilitate the clamping of the pipe 33 by the transfer clamping interval 12.

[0040] Reference Figure 4-Figure 6 In some specific embodiments, a screening cylinder 20 is provided inside the feeding rack 1 , a screening rack 21 is provided at the piston rod end of the screening cylinder 20 , and one side of the screening rack 21 faces the feeding port 5 .

[0041] Through the above technical solution, when the pipe 33 located in the limit interval 10 is not in the correct position (the left end or the right end of the pipe 33 is tilted), the screening cylinder 20 is started, and the screening cylinder 20 drives the screening frame 21 to move, so that the screening frame 21 removes the pipe 33 that is not in the correct position, thereby preventing the pipe 33 that is not in the correct position from falling into the feeding cavity 8.

[0042] In addition, the position of the pipe 33 can be identified by a sensor or a camera in the prior art.

[0043] Reference Figure 1-Figure 5 In some specific embodiments, a conveying frame 2 is provided on one side of the loading frame 1, and a conveying belt 3 is connected to one side of the conveying frame 2. A winding roller 6 is rotatably connected inside the loading frame 1, and one end of the conveying belt 3 is wound around the outer edge of the winding roller 6. A conveying surface 36 is provided on one side of the conveying belt 3, so that when the conveying belt 3 is tensioned, the conveying surface 36 is inclined toward the loading port 5.

[0044] Through the above technical solution, when it is necessary to convey the pipe 33 to the limit interval 10, the winding roller 6 is rotated, and the winding roller 6 reels one end of the conveying belt 3, so that the conveying belt 3 is tensioned and the conveying surface 36 is tilted toward the loading port 5, thereby facilitating guiding the pipe 33 to the limit interval 10.

[0045] Reference Figure 4 In some specific embodiments, a conveying motor 7 is provided inside the loading rack 1, and the conveying motor 7 drives the winding roller 6 to rotate. The internal rotation of the loading rack 1 is connected to a guide roller 4, and the guide roller 4 is located above the winding roller 6. The guide roller 4 is close to the loading port 5, and the guide roller 4 rolls with the other side of the conveying belt 3.

[0046] Through the above technical solution, when the conveying belt 3 needs to be tightened, the conveying motor 7 is started, and the conveying motor 7 drives the winding roller 6 to rotate, so as to facilitate guiding the pipe 33 to the limiting interval 10.

[0047] Reference Figure 7 In some specific embodiments, a guide frame 22 is provided inside the loading frame 1 , and a guide roller 23 is rotatably connected to the top of the guide frame 22 , and the guide roller 23 faces the loading cavity 8 .

[0048] Reference Figure 7In some specific embodiments, a guide limit groove 35 is provided on the outer edge of the guide roller 23 , and the guide limit groove 35 is connected to the feeding cavity 8 .

[0049] Through the above technical solution, when the tube 33 is transported into the feeding cavity 8, the pulling device of the laser cutting machine will drag the tube 33, so that the tube 33 drives the guide roller 23 to roll, and through the guide limit groove 35, it is convenient to guide the moving position of the tube 33.

[0050] Reference Figure 7 In some specific embodiments, a cutting clamping seat 24 is provided inside the loading rack 1, a clamping double-bar cylinder 25 is provided on the top of the cutting clamping seat 24, cutting clamping blocks 26 are provided on both sides of the clamping double-bar cylinder 25, and the two cutting clamping blocks 26 are separated to form a cutting clamping gap 27, and the cutting clamping gap 27 is connected to the loading cavity 8.

[0051] Through the above technical solution, when the laser cutting machine cuts the tube 33, the clamping double-bar cylinder 25 is started, and the clamping double-bar cylinder 25 drives the two cutting clamps 26 to approach each other, so that the tube 33 located in the cutting clamping interval 27 is clamped by the two cutting clamps 26, thereby preventing the tube 33 from being displaced during cutting.

[0052] Reference Figure 8 In some specific embodiments, a counting seat 28 is provided at one end of the feeding rack 1, a counting double-bar cylinder 29 is provided on the top of the counting seat 28, counting movable seats 32 are provided on both sides of the counting double-bar cylinder 29, and one side of the counting movable seats 32 on both sides of the counting double-bar cylinder 29 is rotatably connected with counting rollers 30, and the counting rollers 30 on both sides of the counting double-bar cylinder 29 are separated to form a counting limit interval 31, and the counting limit interval 31 is connected to the feeding cavity 8.

[0053] Through the above technical solution, when the pulling device of the laser cutting machine drags the tube 33, the tube 33 will drive the counting roller 30 to roll, so that the cut length of the tube 33 can be calculated by the number of rotations of the counting roller 30.

[0054] In addition, the number of rotations of the counting roller 30 can be recorded by an encoder in the prior art.

[0055] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A feeding device for a tube laser cutting machine, characterized in that: The invention comprises a loading rack, wherein a loading cavity and a conveying channel are provided inside the loading rack, a loading port is provided on one side of the loading rack, the loading port is connected to the conveying channel, the conveying channel is located between the loading cavity and the loading port, the conveying channel is connected to the loading cavity, a temporary storage movable seat and a transfer clamping block are provided inside the loading rack so as to be liftable, the temporary storage movable seat and the transfer clamping block are arranged close to the conveying channel, the transfer clamping block is separated from one side of the conveying channel to form a transfer clamping interval, the A first limiting protrusion extends from one side of the temporary storage movable seat, a second limiting protrusion extends from one side of the loading port, the first limiting protrusion is located in the loading port, the first limiting protrusion and the second limiting protrusion are separated to form a limiting gap, a third limiting protrusion extends from the top of the temporary storage movable seat, the third limiting protrusion is located between the transfer clamping gap and the loading cavity, the third limiting protrusion and the first limiting protrusion are separated to form a temporary storage gap, and the temporary storage gap is connected to the transfer clamping gap.

2. A feeding device for a tube laser cutting machine according to claim 1, characterized in that: A transfer clamping frame is provided inside the loading rack, one side of the transfer clamping frame extends to one side of the conveying channel, and the transfer clamping interval is formed by the transfer clamping frame and the transfer clamping block.

3. The feeding device for a tube laser cutting machine according to claim 1, characterized in that: A transfer movable cylinder and a pushing cylinder are arranged inside the loading rack. The pushing cylinder is connected to the temporary storage movable seat, and the transfer movable cylinder is connected to the transfer clamping block.

4. The feeding device for a tube laser cutting machine according to claim 1, characterized in that: A screening cylinder is arranged inside the feeding rack, a screening rack is arranged at the piston rod end of the screening cylinder, and one side of the screening rack faces the feeding port.

5. The feeding device for a tube laser cutting machine according to claim 1, characterized in that: A conveying frame is provided on one side of the loading frame, and a conveying belt is connected to one side of the conveying frame. A winding roller is rotatably connected inside the loading frame, and one end of the conveying belt is wound around the outer edge of the winding roller. A conveying surface is provided on one side of the conveying belt, so that when the conveying belt is tensioned, the conveying surface is inclined toward the loading port.

6. A feeding device for a tube laser cutting machine according to claim 5, characterized in that: A conveying motor is provided inside the loading rack, and the conveying motor drives the winding roller to rotate. The internal rotation of the loading rack is connected to a guide roller, and the guide roller is located above the winding roller. The guide roller is close to the loading port, and the guide roller is in rolling cooperation with the other side of the conveying belt.

7. The feeding device for a tube laser cutting machine according to claim 1, characterized in that: A guide frame is provided inside the feeding frame, and a guide roller is rotatably connected to the top of the guide frame, and the guide roller faces the feeding cavity.

8. The feeding device for a tube laser cutting machine according to claim 7, characterized in that: A guide limit groove is arranged on the outer edge of the guide roller, and the guide limit groove is connected to the feeding cavity.

9. The feeding device for a tube laser cutting machine according to claim 1, characterized in that: A cutting clamping seat is provided inside the feeding rack, a clamping double-bar cylinder is provided on the top of the cutting clamping seat, cutting clamping blocks are provided on both sides of the clamping double-bar cylinder, two cutting clamping blocks are separated to form a cutting clamping interval, and the cutting clamping interval is connected to the feeding cavity.

10. The feeding device for a tube laser cutting machine according to claim 1, characterized in that: A counting seat is provided at one end of the feeding rack, a counting double-bar cylinder is provided on the top of the counting seat, counting movable seats are provided on both sides of the counting double-bar cylinder, one side of the counting movable seats on both sides of the counting double-bar cylinder is rotatably connected with counting rollers, the counting rollers on both sides of the counting double-bar cylinder are separated to form a counting limit interval, and the counting limit interval is connected to the feeding cavity.

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