An automatic deburring device for the inner wall of perforated metal pipes

Abstract

This application provides an automatic deburring device for the inner wall of perforated metal tubes, relating to the field of metal tube processing technology. It includes a worktable and a conveyor rail fixedly mounted on the worktable for carrying the perforated metal tubes. One end of the conveyor rail is provided with an intermittent feeding component for placing the perforated metal tubes on the conveyor rail and a pushing component for pushing the perforated metal tubes forward. The other end of the conveyor rail is provided with a grinding component for grinding the inner wall of the perforated metal tubes and a unloading component for collecting the perforated metal tubes. The feeding component and the unloading component are provided with a fixing component for fixing the perforated metal tubes. This device can automatically feed, push, fix, grind, and unload perforated metal tubes, improving the automation level of the device, reducing manual operation, lowering labor intensity, and increasing production efficiency. The components work together to ensure the continuity and stability of the processing process.

Description

Technical Field

[0001] This application relates to the field of metal tube processing technology, and more specifically, to an automatic deburring device for the inner wall of a punched metal tube. Background Technology

[0002] After the circumferential punching process is completed, a large number of burrs will form on the inner wall of the punched metal tube, resulting in a rough and uneven inner wall surface. To improve the surface quality, the burrs on the inner wall need to be ground and polished. For example, the technical solution disclosed in Chinese Patent CN202121344097.X, a rapid deburring machine for the inner wall of metal tubes, includes: a control panel, a processing table, and a power supply box. The power supply box is fixedly installed inside the processing table, the control panel is fixedly installed on the front of the processing table, a first slide rail is fixedly installed on the top of the processing table, a sliding support platform is slidably connected to the outer wall of the first slide rail, a drive motor is fixedly installed on the top of the sliding support platform, a connecting ring is fixedly connected to the drive end of the drive motor, and a drill rod is clamped at the other end of the connecting ring. This utility model, through the setting of a stabilizing plate and a buffer ring, can stabilize the drill rod, improve the processing quality of the metal tube, and limit the movement distance of the sliding support platform, thereby enabling the drive motor to operate normally. Through the setting of a cleaning frame and a cleaning ring, the debris on the surface of the drill rod can be removed.

[0003] However, this existing technology has certain limitations in its use. The device requires manual loading and unloading operations, has insufficient automation, and the labor intensity of operators needs to be reduced. Summary of the Invention

[0004] The purpose of this application is to provide an automatic deburring device for the inner wall of punched metal pipes, which can solve the technical problem in the prior art that the device requires manual loading and unloading operations, has insufficient automation, and requires a reduction in the labor intensity of operators.

[0005] This application provides an automatic deburring device for the inner wall of a perforated metal tube, including a worktable and a conveying track fixedly disposed on the worktable for carrying the perforated metal tube. One end of the conveying track is provided with an intermittent feeding component for placing the perforated metal tube on the conveying track and a pushing component for pushing the perforated metal tube forward. The other end of the conveying track is provided with a grinding component for grinding the inner wall of the perforated metal tube and a unloading component for collecting the perforated metal tube. The feeding component and the unloading component are provided with a fixing component for fixing the perforated metal tube.

[0006] The intermittent feeding assembly includes a feeding frame, a first baffle, a second baffle, a first cylinder, and a second cylinder. The feeding frame is fixedly mounted on the workbench and tilted towards the top of the conveying track. Multiple perforated metal tubes are stacked on the feeding frame. The first baffle and the second baffle both extend through the bottom of the feeding frame. The first cylinder and the second cylinder are both fixedly mounted on the workbench. The piston rod of the first cylinder is connected to the first baffle, and the piston rod of the second cylinder is connected to the second baffle.

[0007] A third baffle is fixedly installed on the upper end of the side of the conveying track away from the feeding frame.

[0008] The material pushing assembly includes a third cylinder and a material pushing block. The material pushing block is located on the conveying track and can abut against the perforated metal tube. The third cylinder is fixedly mounted on the worktable, and the piston rod of the third cylinder is connected to the material pushing block.

[0009] The grinding assembly includes a movable plate, a first motor, a connecting rod, a grinding block, a screw, a second motor, and a sliding rod. The movable plate is movably mounted on the worktable. The first motor and the second motor are both fixedly mounted on the movable plate. The output shaft of the first motor is connected to the connecting rod. The grinding block is fixedly mounted on the connecting rod and can fit against the inner wall of the perforated metal tube. The screw is rotatably mounted on the worktable via a bearing. The output shaft of the second motor is connected to the screw. The sliding rod is fixedly mounted on the worktable. The movable plate is threaded onto the screw and slidably mounted onto the sliding rod.

[0010] The feeding assembly includes a guide block and a receiving box. The guide block is fixedly mounted on the workbench and located at the discharge end of the conveying track. The receiving box is mounted on the workbench, and the guide block is inclined toward the receiving box.

[0011] The guide block is hinged with a movable frame, the lower end of the workbench is fixed with an installation plate, a fourth cylinder is hinged on the installation plate, the piston rod of the fourth cylinder is hinged to the movable frame, and the receiving box can be placed inside the movable frame.

[0012] The receiving box is equipped with a handle.

[0013] The fixing assembly includes a mounting block, a mounting frame, a fifth cylinder, and a pressure plate. The mounting block is fixedly mounted on the workbench, the conveying track is located on top of the mounting block, the mounting frame is fixedly mounted on the mounting block, the fifth cylinder is fixedly mounted on the mounting frame, and the piston rod of the fifth cylinder is connected to the pressure plate. The pressure plate can abut against the perforated metal tube.

[0014] The beneficial effects of this utility model are:

[0015] This utility model provides an automatic deburring device for the inner wall of perforated metal tubes. In use, an intermittent feeding component places the perforated metal tube to be processed onto a conveyor track. A pushing component then pushes the perforated metal tube forward to the grinding station. The pushing component then resets, and a fixing component secures the perforated metal tube. A grinding component then grinds the inner wall of the perforated metal tube. The fixing component releases the perforated metal tube, and the pushing component pushes the next perforated metal tube to be processed forward to the grinding station. Unprocessed perforated metal tubes push the processed perforated metal tubes away from the grinding station. A discharging component collects the processed perforated metal tubes, thus cyclically performing the deburring operation on the inner wall of the perforated metal tubes. This device can automatically feed, push, fix, grind, and unload perforated metal tubes, improving the automation level of the device, reducing manual operation, lowering labor intensity, and increasing production efficiency. The coordinated work of all components ensures the continuity and stability of the processing process, improving product quality. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall top view structure in some embodiments of this application;

[0018] Figure 2 This is a cross-sectional view of the main structure of the intermittent feeding component in some embodiments of this application;

[0019] Figure 3 This is a cross-sectional view of the main structure of the polishing component in some embodiments of this application;

[0020] Figure 4 This is a cross-sectional view of the main structure of the feeding component in some embodiments of this application.

[0021] The reference numerals in the attached figures are as follows:

[0022] 1. Workbench; 11. Mounting plate; 12. Fourth cylinder;

[0023] 2. Perforated metal tubes;

[0024] 3. Conveying track; 31. Third baffle;

[0025] 4. Intermittent feeding assembly; 41. Feeding frame; 42. First baffle; 43. Second baffle; 44. First cylinder; 45. Second cylinder;

[0026] 5. Pushing assembly; 51. Third cylinder; 52. Pushing block;

[0027] 6. Grinding assembly; 61. Movable plate; 62. First motor; 63. Connecting rod; 64. Grinding block; 65. Screw; 66. Second motor; 67. Slide rod;

[0028] 7. Feeding assembly; 71. Guide block; 72. Receiving bin; 73. Movable frame; 74. Handle;

[0029] 8. Fixing component; 81. Mounting block; 82. Mounting bracket; 83. Fifth cylinder; 84. Pressure plate. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0032] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0033] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0034] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0035] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0036] like Figures 1 to 4 As shown in the figure, this application provides an automatic deburring device for the inner wall of a punched metal tube, including a workbench 1 and a conveying track 3 fixedly mounted on the workbench 1 for carrying the punched metal tube 2. One end of the conveying track 3 is provided with an intermittent feeding component 4 for placing the punched metal tube 2 on the conveying track 3 and a pushing component 5 for pushing the punched metal tube 2 forward. The other end of the conveying track 3 is provided with a grinding component 6 for grinding the inner wall of the punched metal tube 2 and a discharging component 7 for collecting the punched metal tube 2. The feeding component and the discharging component 7 are provided with a fixing component 8 for fixing the punched metal tube 2.

[0037] In use, the intermittent feeding component 4 places the punched metal tube 2 to be processed on the conveying track 3, and then the pushing component 5 pushes the punched metal tube 2 forward to the grinding station. The pushing component 5 then resets, and the punched metal tube 2 is then fixed by the fixing component 8. The inner wall of the punched metal tube 2 is then ground by the grinding component 6. The fixing component 8 then releases the fixing of the punched metal tube 2, and the pushing component 5 pushes the next punched metal tube 2 to be processed forward to the grinding station. The unprocessed punched metal tube 2 will push the processed punched metal tube 2 away from the grinding station. The unloading component 7 then collects the processed punched metal tube 2, thus cyclically performing the deburring operation on the inner wall of the punched metal tube 2.

[0038] This device can automatically feed, push, fix, grind and unload perforated metal tubes 2, improve the automation level of the device, reduce manual operation, reduce labor intensity, improve production efficiency, and ensure the continuity and stability of the processing process by the coordinated work of each component, thereby improving product quality.

[0039] like Figure 1 and 2 As shown, in this embodiment, the intermittent feeding assembly 4 includes a feeding frame 41, a first baffle 42, a second baffle 43, a first cylinder 44, and a second cylinder 45. The feeding frame 41 is fixedly installed on the workbench 1 and tilted towards the top of the conveying track 3. Multiple perforated metal tubes 2 are stacked on the feeding frame 41. The first baffle 42 and the second baffle 43 both movably penetrate the bottom of the feeding frame 41. The first cylinder 44 and the second cylinder 45 are both fixedly installed on the workbench 1. The piston rod of the first cylinder 44 is connected to the first baffle 42, and the piston rod of the second cylinder 45 is connected to the second baffle 43.

[0040] In use, the feeding frame 41 is tilted, and the stacked perforated metal tubes 2 slide down between the first baffle 42 and the second baffle 43 under the action of gravity. The first cylinder 44 and the second cylinder 45 extend and retract alternately to control the opening and closing of the first baffle 42 and the second baffle 43, so as to realize the intermittent feeding of the perforated metal tubes 2. The perforated metal tubes 2 to be processed roll down onto the conveying track 3, ensuring that only one perforated metal tube 2 enters the conveying track 3 at a time; thus achieving precise intermittent feeding and avoiding the accumulation or jamming of the perforated metal tubes 2.

[0041] like Figure 1 and 2 As shown, in this embodiment, a third baffle 31 is fixedly installed on the upper end of the side of the conveying track 3 away from the feeding frame 41; the third baffle 31 is used to prevent the perforated metal tube 2 from leaving the conveying track 3 due to inertia during the feeding process, so as to ensure that the perforated metal tube 2 stays stably on the conveying track 3 and waits for the pushing component 5 to push it, thereby improving the stability of use.

[0042] like Figure 1 and 2 As shown, in this embodiment, the pushing assembly 5 includes a third cylinder 51 and a pushing block 52. The pushing block 52 is located on the conveying track 3 and can abut against the punched metal tube 2. The third cylinder 51 is fixedly installed on the worktable 1, and the piston rod of the third cylinder 51 is connected to the pushing block 52.

[0043] When in use, the third cylinder 51 is activated to drive the pusher block 52 to move along the conveying track 3. The pusher block 52 abuts against the end of the perforated metal tube 2 and pushes the perforated metal tube 2 forward along the conveying track 3. The pusher block 52 has a large contact area with the end of the perforated metal tube 2, and the pushing is stable.

[0044] like Figure 1 As shown, in this embodiment, the grinding assembly 6 includes a movable plate 61, a first motor 62, a connecting rod 63, a grinding block 64, a screw 65, a second motor 66, and a sliding rod 67. The movable plate 61 is movably mounted on the worktable 1. The first motor 62 and the second motor 66 are both fixedly mounted on the movable plate 61. The output shaft of the first motor 62 is connected to the connecting rod 63. The grinding block 64 is fixedly mounted on the connecting rod 63 and can fit against the inner wall of the perforated metal tube 2. The screw 65 is rotatably mounted on the worktable 1 through a bearing. The output shaft of the second motor 66 is connected to the screw 65. The sliding rod 67 is fixedly mounted on the worktable 1. The movable plate 61 is threaded onto the screw 65 and slidably mounted onto the sliding rod 67.

[0045] In use, the second motor 66 is turned on to drive the screw 65 to rotate, the screw 65 drives the screw sleeve to move, and the movable plate 61 moves with the screw sleeve. The first motor 62, the connecting rod 63 and the grinding block 64 move with the screw sleeve to the inner cavity of the punched metal tube 2. Then the first motor 62 is turned on to drive the connecting rod 63 to rotate, and the grinding block 64 rotates with the connecting rod 63. While rotating, the grinding block 64 moves axially with the movable plate 61 to grind and deburr the inner wall of the punched metal tube 2. The combination of rotary grinding and axial feed of the grinding block 64 achieves comprehensive grinding of the inner wall of the metal tube, with good deburring effect. The cooperation between the movable plate 61 and the slide rod 67 plays a guiding and limiting role for the movable plate 61.

[0046] like Figure 1 and 4 As shown, in this embodiment, the feeding component 7 includes a guide block 71 and a receiving box 72. The guide block 71 is fixedly installed on the workbench 1 and located at the discharge end of the conveying track 3. The receiving box 72 is installed on the workbench 1, and the guide block 71 is inclined toward the receiving box 72.

[0047] In use, the next punched metal tube 2 to be processed is pushed forward to the grinding station by the pusher component 5. The unprocessed punched metal tube 2 will push the processed punched metal tube 2 away from the grinding station. The processed punched metal tube 2 is pushed away from the conveyor track 3 and falls onto the guide block 71. Then it slides along the inclined surface of the guide block 71 into the collection box 72 for collection, completing the automatic unloading. This realizes the automatic collection of punched metal tubes 2 after grinding, reduces manual operation, and improves production efficiency.

[0048] like Figure 1 and 4 As shown, in this embodiment, a movable frame 73 is hinged on the guide block 71, and an mounting plate 11 is fixedly installed at the lower end of the workbench 1. A fourth cylinder 12 is hinged on the mounting plate 11, and the piston rod of the fourth cylinder 12 is hinged to the movable frame 73. The receiving box 72 can be placed inside the movable frame 73.

[0049] During use, the processed perforated metal tubes 2 slide down the inclined surface of the guide block 71 into the receiving box 72 for collection. The perforated metal tubes 2 gradually accumulate in the receiving box 72. The operator can activate the fourth cylinder 12 to drive the movable frame 73 to rotate according to the number of perforated metal tubes 2 collected and the stacking status in the receiving box 72. The receiving box 72 rotates with the movable frame 73, realizing dynamic control of the falling trajectory of the perforated metal tubes 2. This ensures that the perforated metal tubes 2 slide smoothly down by gravity, while avoiding excessive falling speed due to an overly steep slope. It effectively prevents the perforated metal tubes 2 from directly impacting the bottom of the receiving box 72 in a free fall manner, reducing the risk of quality defects such as indentations and dents on the surface of the perforated metal tubes 2.

[0050] like Figure 1 and 4 As shown, in this embodiment, the receiving box 72 is provided with a handle 74; the handle 74 makes it easier for the operator to lift or place the receiving box 72, thus improving the ease of use.

[0051] like Figure 1 and 3 As shown, in this embodiment, the fixing component 8 includes a mounting block 81, a mounting frame 82, a fifth cylinder 83, and a pressure plate 84. The mounting block 81 is fixedly mounted on the workbench 1, the conveying track 3 is located on top of the mounting block 81, the mounting frame 82 is fixedly mounted on the mounting block 81, the fifth cylinder 83 is fixedly mounted on the mounting frame 82, and the piston rod of the fifth cylinder 83 is connected to the pressure plate 84. The pressure plate 84 can abut against the perforated metal tube 2.

[0052] When in use, after the perforated metal tube 2 is pushed to the grinding station on the mounting block 81, the fifth cylinder 83 is activated to drive the pressure plate 84 to press down. The pressure plate 84 abuts against the outer wall of the perforated metal tube 2 and fixes the perforated metal tube 2 on the conveying track 3 to prevent displacement during the grinding process and ensure grinding accuracy.

[0053] Working principle: When the automatic deburring device for the inner wall of the punched metal tube provided in this application is in use, the feeding frame 41 is set at an inclination, and the stacked punched metal tubes 2 slide down between the first baffle 42 and the second baffle 43 under the action of gravity. The first cylinder 44 and the second cylinder 45 extend and retract alternately to control the opening and closing of the first baffle 42 and the second baffle 43, so as to realize the intermittent feeding of the punched metal tubes 2. The punched metal tubes 2 to be processed roll down onto the conveying track 3.

[0054] Then the third cylinder 51 is activated to drive the pusher block 52 to move along the conveying track 3. The pusher block 52 abuts against the end of the punched metal tube 2 and pushes the punched metal tube 2 forward along the conveying track 3 to the grinding station. Then the pusher assembly 5 is reset.

[0055] Then, the fifth cylinder 83 is activated to drive the pressure plate 84 to press down. The pressure plate 84 abuts against the outer wall of the perforated metal tube 2 and fixes the perforated metal tube 2 on the conveying track 3.

[0056] Then, the second motor 66 is turned on to drive the screw 65 to rotate. The screw 65 drives the screw sleeve to move. The movable plate 61 moves with the screw sleeve. The first motor 62, the connecting rod 63 and the grinding block 64 move with the screw sleeve to the inner cavity of the punched metal tube 2. Then, the first motor 62 is turned on to drive the connecting rod 63 to rotate. The grinding block 64 rotates with the connecting rod 63. While rotating, the grinding block 64 moves axially with the movable plate 61 to grind and remove burrs from the inner wall of the punched metal tube 2.

[0057] The fixing of the punched metal tube 2 is then released by fixing component 8, and then the grinding component 6 is reset.

[0058] Then, the next punched metal tube 2 to be processed is pushed forward to the grinding station by the pusher component 5. The unprocessed punched metal tube 2 will push the processed punched metal tube 2 away from the grinding station. The processed punched metal tube 2 is pushed away from the conveyor track 3 and falls onto the guide block 71. Then it slides along the inclined surface of the guide block 71 into the collection box 72 for collection, completing the automatic unloading, thereby cyclically performing the deburring operation on the inner wall of the punched metal tube 2.

[0059] The processed perforated metal tubes 2 slide down the inclined surface of the guide block 71 into the receiving box 72 for collection. The perforated metal tubes 2 gradually accumulate in the receiving box 72. The operator can activate the fourth cylinder 12 to drive the movable frame 73 to rotate according to the number of perforated metal tubes 2 collected and the stacking status in the receiving box 72. The receiving box 72 rotates with the movable frame 73, realizing dynamic control of the falling trajectory of the perforated metal tubes 2. This ensures that the perforated metal tubes 2 slide smoothly down by gravity, while avoiding excessive falling speed due to the steep slope.

[0060] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An automatic deburring device for the inner wall of a perforated metal pipe, characterized in that: The device includes a workbench (1) and a conveying track (3) fixedly mounted on the workbench (1) for carrying the punched metal tube (2). One end of the conveying track (3) is provided with an intermittent feeding component (4) for placing the punched metal tube (2) on the conveying track (3) and a pushing component (5) for pushing the punched metal tube (2) forward. The other end of the conveying track (3) is provided with a grinding component (6) for grinding the inner wall of the punched metal tube (2) and a unloading component (7) for collecting the punched metal tube (2). The feeding component and the unloading component (7) are provided with a fixing component (8) for fixing the punched metal tube (2).

2. The automatic deburring device for the inner wall of a punched metal tube according to claim 1, characterized in that: The intermittent feeding assembly (4) includes a feeding frame (41), a first baffle (42), a second baffle (43), a first cylinder (44), and a second cylinder (45). The feeding frame (41) is fixedly installed on the workbench (1) and tilted towards the top of the conveying track (3). Multiple perforated metal tubes (2) are stacked on the feeding frame (41). The first baffle (42) and the second baffle (43) both movably penetrate the bottom of the feeding frame (41). The first cylinder (44) and the second cylinder (45) are both fixedly installed on the workbench (1). The piston rod of the first cylinder (44) is connected to the first baffle (42), and the piston rod of the second cylinder (45) is connected to the second baffle (43).

3. The automatic deburring device for the inner wall of a punched metal tube according to claim 2, characterized in that: A third baffle (31) is fixedly installed on the upper end of the side of the conveying track (3) away from the feeding frame (41).

4. The automatic deburring device for the inner wall of a punched metal tube according to claim 1, characterized in that: The pushing assembly (5) includes a third cylinder (51) and a pushing block (52). The pushing block (52) is located on the conveying track (3) and can abut against the perforated metal tube (2). The third cylinder (51) is fixedly installed on the worktable (1) and the piston rod of the third cylinder (51) is connected to the pushing block (52).

5. The automatic deburring device for the inner wall of a punched metal tube according to claim 1, characterized in that: The grinding assembly (6) includes a movable plate (61), a first motor (62), a connecting rod (63), a grinding block (64), a screw (65), a second motor (66), and a slide rod (67). The movable plate (61) is movably mounted on the worktable (1). The first motor (62) and the second motor (66) are both fixedly mounted on the movable plate (61). The output shaft of the first motor (62) is connected to the connecting rod (63). The grinding block (64) is fixed. The grinding block (64) is mounted on the connecting rod (63) and can fit against the inner wall of the punched metal tube (2). The screw (65) is rotatably mounted on the worktable (1) through a bearing. The output shaft of the second motor (66) is connected to the screw (65). The slide rod (67) is fixedly mounted on the worktable (1). The movable plate (61) is threaded onto the screw (65) and slidably mounted on the slide rod (67).

6. The automatic deburring device for the inner wall of a punched metal tube according to claim 1, characterized in that: The feeding assembly (7) includes a guide block (71) and a receiving box (72). The guide block (71) is fixedly installed on the workbench (1) and located at the discharge end of the conveying track (3). The receiving box (72) is installed on the workbench (1), and the guide block (71) is inclined toward the receiving box (72).

7. The automatic deburring device for the inner wall of a punched metal tube according to claim 6, characterized in that: A movable frame (73) is hinged on the guide block (71), and an installation plate (11) is fixedly installed at the lower end of the workbench (1). A fourth cylinder (12) is hinged on the installation plate (11), and the piston rod of the fourth cylinder (12) is hinged to the movable frame (73). The receiving box (72) can be placed inside the movable frame (73).

8. The automatic deburring device for the inner wall of a punched metal tube according to claim 6, characterized in that: The receiving box (72) is equipped with a handle (74).

9. The automatic deburring device for the inner wall of a punched metal tube according to claim 1, characterized in that: The fixing component (8) includes a mounting block (81), a mounting bracket (82), a fifth cylinder (83), and a pressure plate (84). The mounting block (81) is fixedly mounted on the workbench (1). The conveying track (3) is located on the top of the mounting block (81). The mounting bracket (82) is fixedly mounted on the mounting block (81). The fifth cylinder (83) is fixedly mounted on the mounting bracket (82), and the piston rod of the fifth cylinder (83) is connected to the pressure plate (84). The pressure plate (84) can abut against the perforated metal tube (2).

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