Plate slag separating mechanism of laser plate cutting machine

Abstract

The invention belongs to the technical field of laser cutting machines, and discloses a plate slag separation mechanism of a laser plate cutting machine, the plate slag separation mechanism comprises a workbench, a rack and a laser cutting mechanism, the rack and the laser cutting mechanism are mounted on the workbench, and the plate slag separation mechanism and a material slag separation assembly used for collecting and separating plate slag in the plate slag separation mechanism are mounted at the bottom of the workbench. According to the scheme, the motor assembly drives the receiving hopper to vibrate, molten slag generated when the laser cutting mechanism works can penetrate through the rack and fall into fine sand in the receiving hopper, and the density of the metal molten slag is larger than that of the fine sand, so that the molten slag sinks and penetrates through the separation grid when the molten slag and the fine sand in the receiving hopper vibrate along with the receiving hopper; and the cut metal plates can penetrate through the racks and fall on the fine sand on the receiving hopper, the situation that the cut metal plates sink to the position below the separation grid to make contact with slag is avoided, and therefore the problem that when a laser cutting machine cuts small metal plates, a large amount of welding slag is attached to the plates is solved.

Description

Technical Field

[0001] This invention belongs to the field of laser cutting machine technology, specifically a slag separation mechanism for a laser plate cutting machine. Background Technology

[0002] A laser cutting machine is a thermal cutting processing device that uses a high-power-density laser beam to irradiate the material being cut, causing it to melt, vaporize, ablate, or reach its ignition point. At the same time, a high-speed airflow coaxial with the laser beam blows away the molten material, thereby cutting the workpiece apart.

[0003] During laser cutting, a large amount of molten slag passes through the support structure ("sword grid" or "toothed rack") and adheres to the bottom of the cutting machine housing. The cut plate remains on the support structure for later removal. However, when the cut plate is smaller than the gap in the support structure, it falls to the bottom of the housing and comes into contact with the slag produced during cutting. This results in a large amount of slag adhering to the cut plate, which not only affects the surface quality of the plate but also increases the workload of subsequent cleaning. In some cases, the large amount of slag may even render the product unusable.

[0004] Therefore, in order to solve the above problems, a plate slag separation mechanism for a laser plate cutting machine is proposed. Summary of the Invention

[0005] To address the problems mentioned in the background section, this invention provides a slag separation mechanism for a laser cutting machine, which solves the problem that a large amount of welding slag adheres to the plate when the laser cutting machine cuts small pieces of metal.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a plate slag separation mechanism for a laser plate cutting machine, comprising a worktable and a rack and a laser cutting mechanism mounted thereon, wherein a plate slag separation mechanism and a material slag separation component for collecting and separating plate slag in the plate slag separation mechanism are installed at the bottom of the worktable; The slag separation mechanism includes a receiving hopper located at the bottom of the workbench. Several supporting springs are fixed between the lower surface of the receiving hopper and the bottom of the workbench. Several positioning springs are fixed at equal intervals on both sides of the receiving hopper. The other end of each positioning spring is fixedly connected to the corresponding inner wall of the workbench. A separation grid is installed on the upper part of the receiving hopper. A motor assembly is fixed to the bottom of the workbench. The output end of the motor assembly is connected to the side of the receiving hopper through a flexible coupling. The receiving hopper stores fine sand that can submerge the separation grid.

[0007] Preferably, the material and slag separation assembly includes a collecting roller rotatably connected to the bottom of the receiving hopper, a grid plate slidably installed at the bottom of the collecting roller below the collecting roller, a guide platform fixedly installed at the bottom of the receiving hopper below the grid plate, and a rubber sheet fixedly connected to the bottom of one end of the grid plate, the bottom of the rubber sheet being able to contact the upper surface of the guide platform. The collecting roller is cylindrical and has a groove that communicates with the bottom of the receiving hopper; a rotating mechanism that enables the collecting roller to rotate is installed on one side of the receiving hopper.

[0008] Preferably, the side view of the receiving hopper is funnel-shaped, and the bottom of the funnel shape can communicate with the groove at the top of the collecting roller.

[0009] Preferably, one end of the collecting roller can extend to the outside of the receiving hopper; The rotating mechanism includes a second gear fixedly sleeved on the outer periphery of the collecting roller and located outside the receiving hopper. A first gear that can mesh with the second gear is also rotatably connected outside the receiving hopper. A handle is fixedly installed on the first gear. A tension spring is hinged to the receiving hopper below the first gear. The other end of the tension spring is hinged to the handle. The ratio of the number of teeth of the second gear to the number of teeth of the first gear is 1:2. A set of stop shafts is fixed to one side of the receiving hopper. In the initial state, the guide table can abut against one of the stop shafts, and when the handle is rotated 90 degrees, it can abut against the other stop shaft.

[0010] Preferably, the tension spring consists of connecting seats at both ends and a tension spring in the middle. A sleeve and a piston rod are fixedly connected to opposite sides of the two connecting seats respectively. In the initial state, the piston end of the piston rod is located in the middle of the sleeve and has several through holes.

[0011] Preferably, the sleeve contains a non-Newtonian fluid.

[0012] Preferably, a sand feeding mechanism is installed on the side of the receiving hopper away from the rotating mechanism to re-feed the fine sand at the guide table into the receiving hopper when the hopper vibrates.

[0013] Preferably, the sand feeding mechanism includes an outer shell fixedly installed on one side of the receiving hopper. Side supports are fixedly connected to both sides of the outer shell. Guide rollers are rotatably connected to the bottom and top of the outer shell, and the ends of the guide rollers can pass through the side supports and be movably connected to them. A sand inlet is opened on one side of the outer shell, which can communicate with the bottom of the guide platform. A set of guide rollers is rotatably connected to the upper part of the outer shell. A conveyor belt guided by several guide rollers is provided inside the outer shell, and the conveyor belt is also supported by the guide rollers. Several lifting parts are equidistantly arranged on the conveyor belt, and the height of the top of the conveyor belt is higher than the separation grid. Both ends of the top guide roller are equipped with drive components for the receiving hopper to drive the rotation of the guide roller when it vibrates.

[0014] Preferably, the drive assembly includes a ratchet fixedly sleeved on the guide roller, an elastic pawl one hinged to the outer side of the side bracket, and an elastic pawl two hinged to one side of the worktable; in the initial state, both the elastic pawl one and the elastic pawl two are unidirectionally engaged with the ratchet.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: The above solution uses a motor assembly to drive the receiving hopper to vibrate. The molten slag generated during the operation of the laser cutting mechanism passes through the rack and falls into the fine sand in the receiving hopper. Since the density of the molten slag is greater than that of the fine sand, the molten slag and fine sand in the receiving hopper will cause the molten slag to sink and pass through the separation grid when the receiving hopper vibrates. The cut metal sheet will pass through the rack and fall onto the fine sand in the receiving hopper. With the vibration of the receiving hopper, the metal sheet will sink below the fine sand and be supported by the separation grid, thus preventing the cut metal sheet from sinking below the separation grid and contacting the molten slag. This solves the problem that a large amount of welding slag will adhere to the sheet when the laser cutting machine cuts small pieces of metal. In the above scheme, during the vibration of the receiving hopper, the molten metal slag will sink into the groove of the collecting roller. When the device stops running, the operator can rotate the handle and drive the collecting roller to rotate through gear one and gear two, so that the groove opening is downward to pour out the molten metal slag and fine sand. Then the collecting roller is reset. When the receiving hopper vibrates again, the rubber sheet will leave the molten metal slag on the rubber sheet, while the fine sand will pass through the rubber sheet and fall onto the guide platform and slide down to a lower position, thereby realizing the reuse of fine sand and the rapid separation of molten metal slag. The above solution guides the fine sand on the receiving hopper through the sand inlet to the outer casing when the receiving hopper vibrates. When the receiving hopper vibrates, the outer casing and ratchet also vibrate. During the vibration of the ratchet, it moves relative to the second elastic pawl. At this time, the second elastic pawl pushes the ratchet to rotate around the axis. When the ratchet moves in the opposite direction relative to the second elastic pawl, the first elastic pawl restricts the ratchet from rotating in the opposite direction. During this process, the first guide roller drives the conveyor belt to rotate, thereby conveying the fine sand at the bottom of the outer casing to the top of the receiving hopper through the lifting part to achieve the circulation of fine sand. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a frontal perspective view of the present invention; Figure 3 This is a schematic diagram of the slag separation mechanism of the present invention; Figure 4 This is a side view of the receiving hopper of the present invention; Figure 5 This is a schematic diagram of the structure of the slag separation component of the present invention; Figure 6 This is a front cross-sectional view of the present invention; Figure 7 For the present invention Figure 6 Enlarged view of point A in the middle; Figure 8 This is a schematic diagram of the structure of the sleeve component of the present invention; Figure 9 This is a schematic diagram of the cooperation structure between the guide roller 2 and the conveyor belt of the present invention; Figure 10 This is a front cross-sectional view of the outer casing of the present invention; Figure 11 This is a schematic diagram of the structure of the driving component of the present invention.

[0017] In the diagram: 1. Workbench; 11. Rack; 2. Laser cutting mechanism; 3. Slag separation mechanism; 31. Support spring; 32. Receiving hopper; 321. Stop shaft; 33. Positioning spring; 34. Separation grid; 35. Motor assembly; 4. Slag separation assembly; 41. Collecting roller; 42. Grid plate; 43. Guide table; 44. Rubber sheet; 5. Rotating mechanism; 51. Gear 1; 52. Gear 2; 53. Handle; 54. Tension spring; 541. Sleeve; 542. Piston rod; 543. Through hole; 6. Sand feeding mechanism; 61. Outer shell; 62. Side support; 63. Guide roller 1; 64. Guide roller 2; 65. Sand inlet; 66. Conveyor belt; 661. Lifting part; 7. Drive assembly; 71. Ratchet; 72. Elastic pawl 1; 73. Elastic pawl 2. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] like Figures 1 to 11 As shown, the present invention provides a plate slag separation mechanism for a laser plate cutting machine, including a worktable 1 and a rack 11 and a laser cutting mechanism 2 mounted thereon. A plate slag separation mechanism 3 and a material slag separation component 4 for collecting and separating plate slag in the plate slag separation mechanism 3 are installed at the bottom of the worktable 1. The slag separation mechanism 3 includes a receiving hopper 32 located at the bottom of the workbench 1. Several supporting springs 31 are fixedly connected between the lower surface of the receiving hopper 32 and the bottom of the workbench 1. Several positioning springs 33 are fixedly connected at equal intervals on both sides of the receiving hopper 32. The other end of the positioning springs 33 is fixedly connected to the corresponding inner wall of the workbench 1. A separation grid 34 is installed on the upper part of the receiving hopper 32. A motor assembly 35 is fixedly connected to the bottom of the workbench 1. The output end of the motor assembly 35 is connected to the side of the receiving hopper 32 through a flexible coupling. The receiving hopper 32 stores fine sand that can submerge the separation grid 34. Using the above solution, the motor assembly 35 drives the receiving hopper 32 to vibrate. The molten slag generated by the laser cutting mechanism 2 during operation passes through the rack 11 and falls into the fine sand in the receiving hopper 32. Since the density of the molten metal slag is greater than that of the fine sand, the molten slag and fine sand in the receiving hopper 32 will cause the molten slag to sink and pass through the separation grid 34 when the receiving hopper 32 vibrates. The cut metal sheet will pass through the rack 11 and fall onto the fine sand in the receiving hopper 32. With the vibration of the receiving hopper 32, the metal sheet will sink below the fine sand and be supported by the separation grid 34, thus preventing the cut metal sheet from sinking below the separation grid 34 and contacting the molten slag. This solves the problem that a large amount of welding slag will adhere to the sheet when the laser cutting machine cuts small pieces of metal.

[0020] like Figures 3-5 and Figure 8 As shown, the material separation assembly 4 includes a collecting roller 41 rotatably connected to the bottom of the receiving hopper 32. A grid plate 42 located below the collecting roller 41 is slidably installed at the bottom of the collecting roller 41. A guide platform 43 located below the grid plate 42 is fixedly installed at the bottom of the receiving hopper 32. A rubber sheet 44 is fixedly connected to the bottom of one end of the grid plate 42. The bottom of the rubber sheet 44 can contact the upper surface of the guide platform 43. The collecting roller 41 is columnar and has a groove that can communicate with the bottom of the receiving hopper 32. A rotating mechanism 5 that can rotate the collecting roller 41 is installed on one side of the receiving hopper 32. The receiving hopper 32 has a funnel-shaped side section, and the bottom of the funnel can communicate with the slot at the top of the collecting roller 41; one end of the collecting roller 41 can extend to the outside of the receiving hopper 32; the rotating mechanism 5 includes a gear 2 52 fixedly sleeved on the outer periphery of the collecting roller 41 and located outside the receiving hopper 32, and a gear 1 51 rotatably connected to the outside of the receiving hopper 32, which can mesh with the gear 2 52; a handle 53 is fixedly installed on the gear 1 51; a tension spring 54 is hinged to the receiving hopper 32 and located below the gear 1 51; the other end of the tension spring 54 is hinged to the handle 53; the ratio of the number of teeth of the gear 2 52 to the gear 1 51 is 1:2; A set of retaining shafts 321 are fixedly connected to one side of the receiving hopper 32. In the initial state, the guide table 43 can abut against one of the retaining shafts 321, and when the handle 53 is rotated ninety degrees, it can abut against the other retaining shaft 321. Using the above scheme, during the vibration of the receiving hopper 32, the molten metal slag will sink into the groove of the collecting roller 41. When the device stops running, the operator can rotate the handle 53 and drive the collecting roller 41 to rotate through gear 1 51 and gear 2 52, and pour out the molten metal slag and fine sand with the groove opening facing downward. Then the collecting roller 41 is reset. When the receiving hopper 32 vibrates again, the rubber sheet 44 will leave the molten metal slag on the rubber sheet 44, while the fine sand will pass through the rubber sheet 44 and fall onto the guide table 43 and slide down to a lower position, thereby realizing the reuse of fine sand and the rapid separation of molten metal slag. It is worth noting that the operator can pull out the grid plate 42 from the side, which makes it easy to remove the molten slag.

[0021] like Figure 8 As shown, the tension spring 54 consists of connecting seats at both ends and a tension spring in the middle. The sleeve 541 and the piston rod 542 are fixedly connected to the opposite side of the two connecting seats respectively. In the initial state, the piston end of the piston rod 542 is located in the middle of the sleeve 541 and has several through holes 543. The sleeve 541 contains a non-Newtonian fluid; By adopting the above solution, when the receiving hopper 32 vibrates and the rotating mechanism 5 follows the vibration of the receiving hopper 32, the non-Newtonian fluid will become solid due to the impact of the piston end of the piston rod 542, so that the non-Newtonian fluid cannot pass through the through hole 543. At this time, the position of the piston rod 542 is fixed. With the action of the tension spring 54, the handle 53 will swing when the receiving hopper 32 vibrates, thus preventing the grid plate 42 from continuously swinging.

[0022] like Figures 2-4 , Figure 6 and Figures 9-11 As shown, a sand feeding mechanism 6 is installed on the side of the receiving hopper 32 away from the rotating mechanism 5, which is used to re-feed the fine sand at the guide table 43 into the receiving hopper 32 when the receiving hopper 32 vibrates. The sand feeding mechanism 6 includes an outer shell 61 fixedly installed on one side of the receiving hopper 32. Side supports 62 are fixedly connected to both sides of the outer shell 61. Guide rollers 63 are rotatably connected to the bottom and top of the outer shell 61. The ends of the guide rollers 63 can pass through the side supports 62 and are movably connected to the side supports 62. A sand inlet 65 is opened on one side of the outer shell 61, which can communicate with the bottom of the guide table 43. A set of guide rollers 64 is rotatably connected to the upper part of the outer shell 61. A conveyor belt 66 is provided inside the outer shell 61 and is guided by several guide rollers 63. The conveyor belt 66 is also supported by the guide rollers 64. Several lifting parts 661 are equidistantly arranged on the conveyor belt 66. The height of the top of the conveyor belt 66 is higher than the separation grid 34. Both ends of the top guide roller 63 are provided with drive components 7 for the receiving hopper 32 to drive the guide roller 63 to rotate when vibrating; The drive assembly 7 includes a ratchet 71 fixedly sleeved on the guide roller 63, an elastic pawl 72 hinged to the outer side of the side bracket 62, and an elastic pawl 73 hinged to one side of the worktable 1. In the initial state, both elastic pawl 1 72 and elastic pawl 2 73 are unidirectionally engaged with ratchet 71; Using the above scheme, when the receiving hopper 32 vibrates, the guide table 43 guides the fine sand on it through the sand inlet 65 to the outer casing 61. When the receiving hopper 32 vibrates, the outer casing 61 and the ratchet 71 also vibrate. During the vibration of the ratchet 71, it moves relative to the second elastic pawl 73. At this time, the second elastic pawl 73 pushes the ratchet 71 to rotate around the axis. When the ratchet 71 moves in the opposite direction relative to the second elastic pawl 73, the first elastic pawl 72 restricts the ratchet 71 from rotating in the opposite direction. During this process, the first guide roller 63 drives the conveyor belt 66 to rotate, thereby conveying the fine sand at the bottom of the outer casing 61 to the upper part of the receiving hopper 32 through the lifting part 661 to achieve the circulation of fine sand.

[0023] Working principle and usage process of this invention: During operation, the motor assembly 35 is first run and the receiving hopper 32 is driven to vibrate through the coupling. The slag generated by the laser cutting mechanism 2 during operation will pass through the rack 11 and fall into the fine sand in the receiving hopper 32. Since the density of the molten metal slag is greater than that of the fine sand, the slag and fine sand in the receiving hopper 32 will cause the slag to sink and pass through the separation grid 34 when the receiving hopper 32 vibrates. The cut metal sheet will pass through the rack 11 and fall onto the fine sand on the receiving hopper 32. With the vibration of the receiving hopper 32, the metal sheet will sink below the fine sand and be supported by the separation grid 34, which prevents the cut metal sheet from sinking below the separation grid 34 and contacting the slag. At the same time, it is convenient for the operator to remove the cut metal sheet later. During the vibration of the receiving hopper 32, the molten metal slag will sink into the groove of the collecting roller 41. When the device stops running, the operator can rotate the handle 53 and drive the collecting roller 41 to rotate through gear 1 51 and gear 2 52, and pour out the molten metal slag and fine sand with the groove opening facing downward. Then the collecting roller 41 is reset. When the receiving hopper 32 vibrates again, the rubber sheet 44 will leave the molten metal slag on the rubber sheet 44, while the fine sand will pass through the rubber sheet 44 and fall onto the guide table 43 and slide down to a lower position, thereby realizing the reuse of fine sand and the rapid separation of molten metal slag. When the receiving hopper 32 vibrates, the guide table 43 guides the fine sand on it through the sand inlet 65 into the outer casing 61. When the receiving hopper 32 vibrates, the outer casing 61 and the ratchet 71 also vibrate. During the vibration of the ratchet 71, it moves relative to the second elastic pawl 73. At this time, the second elastic pawl 73 pushes the ratchet 71 to rotate around the axis. When the ratchet 71 moves in the opposite direction relative to the second elastic pawl 73, the first elastic pawl 72 restricts the ratchet 71 from rotating in the opposite direction. During this process, the first guide roller 63 drives the conveyor belt 66 to rotate, thereby conveying the fine sand at the bottom of the outer casing 61 to the upper part of the receiving hopper 32 through the lifting part 661 to achieve the circulation of fine sand.

[0024] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0025] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A slag separation mechanism for a laser plate cutting machine, comprising a worktable (1) and a rack (11) and a laser cutting mechanism (2) mounted thereon, characterized in that: The bottom of the workbench (1) is equipped with a slag separation mechanism (3) and a slag separation component (4) for collecting and separating the slag in the slag separation mechanism (3). The plate slag separation mechanism (3) includes a receiving hopper (32) set at the bottom of the workbench (1). Several support springs (31) are fixed between the lower surface of the receiving hopper (32) and the bottom of the workbench (1). Several positioning springs (33) are fixed at equal intervals on both sides of the receiving hopper (32). The other end of the positioning spring (33) is fixedly connected to the inner wall of the corresponding workbench (1). A separation grid (34) is installed on the upper part of the receiving hopper (32). A motor assembly (35) is fixedly connected to the bottom of the workbench (1). The output end of the motor assembly (35) is connected to the side of the receiving hopper (32) through a flexible coupling. The receiving hopper (32) contains fine sand that can submerge the separation grid (34).

2. The plate slag separation mechanism of the laser plate cutting machine according to claim 1, characterized in that: The material separation assembly (4) includes a collecting roller (41) rotatably connected to the bottom of the receiving hopper (32). A grid plate (42) located below the collecting roller (41) is slidably installed at the bottom of the collecting roller (41). A guide platform (43) located below the grid plate (42) is fixedly installed at the bottom of the receiving hopper (32). A rubber sheet (44) is fixedly connected to the bottom of one end of the grid plate (42). The bottom of the rubber sheet (44) can contact the upper surface of the guide platform (43). The collecting roller (41) is cylindrical and has a groove on it that can communicate with the bottom of the receiving hopper (32); A rotating mechanism (5) that enables the collecting roller (41) to rotate is installed on one side of the receiving hopper (32).

3. The plate slag separation mechanism of the laser plate cutting machine according to claim 2, characterized in that: The receiving hopper (32) has a funnel-shaped side view, and the bottom of the funnel shape can communicate with the slot at the top of the collecting roller (41).

4. The plate slag separation mechanism of the laser plate cutting machine according to claim 2, characterized in that: One end of the collecting roller (41) can extend to the outside of the receiving hopper (32); The rotating mechanism (5) includes a gear two (52) fixedly sleeved on the outer periphery of the collecting roller (41) and located outside the receiving hopper (32). A gear one (51) that can mesh with the gear two (52) is also rotatably connected to the outside of the receiving hopper (32). A handle (53) is fixedly installed on the gear one (51). A tension spring (54) located below the gear one (51) is hinged on the receiving hopper (32). The other end of the tension spring (54) is hinged to the handle (53). The ratio of the number of teeth of the gear two (52) to the number of teeth of the gear one (51) is 1:

2. A set of stop shafts (321) is fixedly connected to one side of the receiving hopper (32). In the initial state, the guide table (43) can abut against one of the stop shafts (321), and when the handle (53) is rotated ninety degrees, it can abut against the other stop shaft (321).

5. The plate slag separation mechanism of the laser plate cutting machine according to claim 4, characterized in that: The tension spring (54) consists of connecting seats at both ends and a tension spring in the middle. The sleeve (541) and piston rod (542) are fixedly connected to opposite sides of the two connecting seats respectively. In the initial state, the piston end of the piston rod (542) is located in the middle of the sleeve (541) and has several through holes (543).

6. The plate slag separation mechanism of the laser plate cutting machine according to claim 5, characterized in that: The sleeve (541) contains a non-Newtonian fluid.

7. The plate slag separation mechanism of the laser plate cutting machine according to claim 2, characterized in that: The receiving hopper (32) is equipped with a sand feeding mechanism (6) on the side away from the rotating mechanism (5) for feeding fine sand from the guide table (43) back into the receiving hopper (32) when it vibrates.

8. The plate slag separation mechanism of the laser plate cutting machine according to claim 7, characterized in that: The sand feeding mechanism (6) includes an outer shell (61) fixedly installed on one side of the receiving hopper (32). Side supports (62) are fixedly connected to both sides of the outer shell (61). Guide rollers (63) are rotatably connected to the bottom and top of the outer shell (61). The end of the guide rollers (63) can pass through the side supports (62) and be movably connected to the side supports (62). A sand inlet (65) is opened on one side of the outer shell (61) and can communicate with the bottom of the guide platform (43). A set of guide rollers (64) is rotatably connected to the upper part of the outer shell (61). A conveyor belt (66) guided by several guide rollers (63) is provided inside the outer shell (61). The conveyor belt (66) is also supported by the guide rollers (64). Several lifting parts (661) are equidistantly arranged on the conveyor belt (66). The height of the top of the conveyor belt (66) is higher than the separation grid (34). Both ends of the top guide roller (63) are provided with drive components (7) for the receiving hopper (32) to drive the guide roller (63) to rotate when vibrating.

9. The plate slag separation mechanism of the laser plate cutting machine according to claim 8, characterized in that: The drive assembly (7) includes a ratchet (71) fixedly sleeved on the guide roller (63), an elastic pawl (72) hinged to the outside of the side bracket (62), and an elastic pawl (73) hinged to one side of the worktable (1). In the initial state, both the elastic pawl one (72) and the elastic pawl two (73) are engaged with the ratchet (71) in one direction.

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