Processing platform for surface treatment of die-cast housing

Abstract

The present invention discloses a processing platform for surface treatment of a die-cast body shell, comprising a workpiece placement table and a laser processing module, wherein the workpiece placement table comprises a combined placement tray and a first motor component, wherein the combined placement tray comprises a central axis component and a plurality of strip-shaped rotating plates, wherein one end of the strip-shaped rotating plates are rotatably mounted on both sides of the central axis component and are closely adjacent to each other to form a placement surface of the combined placement tray for placing workpieces; the present invention adopts a combined placement tray structure design composed of a plurality of strip-shaped rotating plates, and when laser surface treatment is performed on the die-cast body, the die-cast body is placed on the combined placement tray, and a plurality of groups of strip-shaped rotating plates can be rotated one by one in cooperation with the laser head module, so that all surfaces of the die-cast body can be exposed under the laser head module. Compared with a traditional processing platform, the processing platform of the present invention does not need to fix the die-cast body when in use, is not limited to the structural shape of the die-cast body, and can expose all outer surfaces of the die-cast body for easy processing.

Description

Technical Field

[0001] The invention relates to a processing platform, in particular to a processing platform used for surface treatment of a die-casting shell. Background Art

[0002] Laser thermal processing refers to the process of using the thermal effect generated by projecting a laser beam onto the surface of a material to complete processing. It includes laser welding, laser engraving and cutting, surface modification, laser laser marking, laser drilling and laser micromachining. Laser thermal processing mainly relies on the photothermal effect. Laser thermal processing does not require tools, has a fast processing speed and small surface deformation. It can process a variety of metals and non-metals, especially materials with high hardness, high brittleness and high melting point.

[0003] Laser surface treatment refers to a method of improving the surface properties of a workpiece by designing and laser improving the surface of the workpiece. It uses a laser beam to quickly and locally heat the workpiece to achieve local rapid heating or rapid cooling. It can be processed in the atmosphere, vacuum and other environments. By changing the laser parameters, different surface treatment process problems can be solved. In laser surface treatment, the workpiece deformation is extremely small. It is a non-contact treatment method. According to the purpose of surface treatment, it is divided into surface modification treatment (including laser glazing, laser remelting, laser alloying, laser coating) and removal treatment (such as laser cleaning). With the development of laser technology, laser surface treatment technology is also increasingly used in the surface treatment process of various die-cast shells. Surface treatment is very important for die-cast surfaces because it can make the final product look more refined, beautiful and have a longer service life. However, due to the structural diversity of die-cast bodies, laser surface treatment technology is very limited and costly when applied to the surface treatment of die-cast shells. Summary of the invention

[0004] In view of the problems raised in the above background technology, the purpose of the present invention is to provide a processing platform for surface treatment of die-casting shells to solve the limitations of traditional processing platforms when performing surface treatment on die-casting bodies with complex structures.

[0005] In order to achieve the above-mentioned purpose, in the technical solution of the present invention, a processing platform for surface treatment of a die-cast body shell is provided, comprising a workpiece placement table for placing a die-cast body workpiece and a laser processing module for laser surface treatment of the die-cast body workpiece shell; the workpiece placement table comprises a combined placement tray and a first motor assembly, the combined placement tray is circular, the combined placement tray comprises a central axis assembly and a plurality of strip-shaped rotating plates, one end of the plurality of strip-shaped rotating plates are respectively rotatably mounted on both sides of the central axis assembly and are closely adjacent to each other to form a placement surface of the combined placement tray for placing workpieces, and the strip-shaped rotating plates can rotate along the central axis assembly; the first motor assembly comprises a plurality of first motors, and the first motor assembly is arranged on the combined placement tray to drive it to rotate; the combined placement tray also comprises two groups of fixed plates, and the two groups of fixed plates are respectively connected to the two ends of the central axis assembly; the workpiece placement table also comprises a bottom bracket arranged below one side of the combined placement tray and two groups of side brackets respectively arranged on both sides of the combined placement tray.

[0006] Further, in the technical solution of the present invention, the laser processing module includes an arc-shaped shell, a guide plate and a laser head module; the arc-shaped shell is located above the combined storage tray, and a shell groove is provided on the arc-shaped shell, and the shell groove includes a group of first shell grooves along a first direction and multiple groups of second shell grooves along a second direction, and the multiple groups of second shell grooves are respectively connected to the first shell groove, the first direction and the second direction are vertically related, and the second direction is consistent with the rotatable direction of the strip rotating plate; the guide plate is located above the arc-shaped shell, and a guide groove is provided on the guide plate, and the guide groove includes a group of first guide grooves along the first direction and multiple groups of second guide grooves along the second direction, and the multiple groups of second guide grooves are respectively connected to the first guide groove, and the projections of the guide groove and the shell groove in the vertical direction overlap; the laser head module is located below the arc-shaped shell, and it can move along the lower end of the shell groove.

[0007] Furthermore, in the technical solution of the present invention, the plurality of bar-shaped rotating plates are respectively installed on both sides of the central axis assembly and are closely adjacent to each other to form a storage surface of the combined storage tray for placing workpieces, that is, the other ends of the plurality of bar-shaped rotating plates constitute the periphery of the combined storage tray, and a tooth block is provided on the other end of the bar-shaped rotating plate, that is, a tooth block is provided on the periphery of the combined storage tray, and the first motor assembly is configured on the tooth block to drive the combined storage tray to rotate; the bar-shaped rotating plate is provided with a mounting through hole on the side connected to the central axis assembly, and one end of the mounting through hole is provided with an internal tooth, and the bar-shaped rotating plate is installed on the outside of the central axis assembly through the mounting through hole; the central axis assembly includes a second motor assembly, a plurality of driving gears, a plurality of rotating connecting shafts, a plurality of fixing blocks, a circuit tube and a plurality of supporting rings; the second motor assembly includes a plurality of second motors, and the second motor assembly is used to drive the bar-shaped rotating plate The rotating plate rotates; the driving gears are respectively arranged at the output ends of the second motors, and the outer parts thereof are meshed with the internal teeth at one end of the inner part of the mounting through hole; the other end of the driving gear is rotationally connected to the non-output end side of the next group of the second motors through the rotating connecting shaft, and is rotationally connected to the fixed plate at both ends of the central axis assembly through the rotating connecting shaft; the fixed blocks are respectively fixedly connected to the lower ends of the second motors, and one end of the fixed blocks is fixedly connected to the line pipe; the plurality of support rings are all sleeved on the outside of the line pipe, and the line pipe is fixedly connected to one side of the inner part of the plurality of support rings, and the plurality of support rings are respectively arranged at one end of the mounting through holes on the plurality of the bar-shaped rotating plates that are not provided with internal teeth, the outer dimensions of the support rings are consistent with the opening dimensions of the mounting through holes, and there is sliding contact between the support rings and the mounting through holes.

[0008] Furthermore, in the technical solution of the present invention, the laser processing module also includes a sliding block and a third motor assembly; the sliding block is located above the guide plate and is connected to the upper end of the laser head module; the third motor assembly includes two groups of third motors, and the third motor assembly is configured on the sliding block, for driving the sliding block to move in the first direction and the second direction respectively; the sliding block is also provided with an electric telescopic shaft, and the laser head module is installed at the lower end of the electric telescopic shaft, and the electric telescopic shaft is used to control the movement of the laser head module in the vertical direction along the lower end of the shell groove.

[0009] In summary, the present invention provides a processing platform for surface treatment of die-cast body shells, so as to solve the problem that when laser surface treatment technology is applied to die-cast body shells, it is limited by the diversity of die-cast body structures. In the technical solution of the present invention, a combined storage tray structure design composed of multiple bar-shaped rotating plates is adopted. When the die-cast body is subjected to laser surface treatment, the die-cast body is placed on the combined storage tray, and multiple groups of bar-shaped rotating plates can be rotated one by one in cooperation with the laser head module, so that all surfaces of the die-cast body can be exposed under the laser head module. Compared with the traditional surface treatment processing platform, the processing platform of the present invention does not need to fix the die-cast body when used, is not limited by the structural shape of the die-cast body, and can expose all outer surfaces of the die-cast body for surface treatment.

[0010] Other features and advantages of the present invention will be set forth in the description which follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 FIG. 1 is a schematic diagram showing a part of the structure of a processing platform according to an embodiment of the present invention. Figure 1 ;

[0012] Figure 2 FIG. 1 is a schematic diagram showing a part of the structure of a processing platform according to an embodiment of the present invention. Figure 2 ;

[0013] Figure 3 FIG. 1 is a schematic diagram showing a partial structure of a combined storage tray of a processing platform according to an embodiment of the present invention. Figure 1 ;

[0014] Figure 4 FIG. 1 is a schematic diagram showing a partial structure of a combined storage tray of a processing platform according to an embodiment of the present invention. Figure 2 ;

[0015] Figure 5 is a schematic diagram illustrating a strip-shaped rotating plate structure of a combined storage tray according to an embodiment of the present invention;

[0016] Figure 6 Yes Figure 4 A magnified view of the structure of the X portion of the middle region;

[0017] Figure 7 Yes Figure 4 A magnified view of the structure of the Y portion of the middle region;

[0018] Figure 8 Yes Figure 4 A magnified view of the structure of the Z part of the middle region;

[0019] Fig. 9 FIG. 1 is a schematic diagram showing a part of the structure of a processing platform according to an embodiment of the present invention. Figure 3 ;

[0020] Fig.10 FIG. 1 is a schematic diagram showing a part of the structure of a processing platform according to an embodiment of the present invention. Figure 4 ;

[0021] Fig.11 is a schematic diagram illustrating the structure of a housing groove and a guide groove according to an embodiment of the present invention;

[0022] Fig.12 It is a schematic front view of a partial structure of a processing platform according to an embodiment of the present invention. DETAILED DESCRIPTION

[0023] An embodiment of the present invention provides a processing platform for surface treatment of a die-casting shell. The embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0024] Figure 1 and Figure 2 All of them are partial structural schematic diagrams of a processing platform for surface treatment of a die-casting shell according to an embodiment of the present invention, such as Figure 1 As shown, the processing platform for surface treatment of the die-casting shell in this embodiment includes a workpiece placement table (A1) and a laser processing module (A2), wherein the workpiece placement table (A1) is used to place the die-casting workpiece, and the laser processing module (A2) is used to perform laser surface treatment on the shell of the die-casting workpiece; specifically, as Figure 2 As shown, the workpiece placement table (A1) includes a combined placement plate (A11) and a first motor assembly (A12).

[0025] In this embodiment, Figure 3 and Figure 4 FIG. 1 is a schematic diagram showing a partial structure of a combined storage tray (A11) of a processing platform according to an embodiment of the present invention. Figure 3 As shown, the combined storage tray (A11) is circular, and comprises a plurality of bar-shaped rotating plates (A111) and a central axis assembly (A112). One end of the plurality of bar-shaped rotating plates (A111) is rotatably mounted on both sides of the central axis assembly (A112) and is closely adjacent to each other to form a storage surface of the combined storage tray (A11) for placing workpieces. Figure 4As shown, the strip-shaped rotating plate (A111) can rotate along the central axis component (A112), and the combined storage tray (A11) further includes two sets of fixed plates (A113), and the two sets of fixed plates (A113) are respectively connected to the two ends of the central axis component (A112); the first motor component (A12) includes a plurality of first motors, and the first motor component (A12) is configured on the combined storage tray (A11) to drive it to rotate. It should be noted that the first motor component (A12) drives the combined storage tray (A11) to rotate, and the rotation angle is plus or minus 180 degrees, so that the direction of the die-casting workpiece placed on the combined storage tray (A11) is changed. The workpiece placement table (A1) further comprises a bottom bracket (A13) and two sets of side brackets (A14); the bottom bracket (A13) is arranged below one side of the combined storage tray (A11); the two sets of side brackets (A14) are respectively arranged on both sides of the combined storage tray (A11). It should be noted that the upper end surface of the bottom bracket (A13) is semicircular (not shown in the figure) and is in sliding contact with one side of the lower end surface of the combined storage tray (A11) to provide structural support for the combined storage tray (A11). In actual use, the upper end surface of the bottom bracket (A13) is provided with lubricating oil to improve the sliding contact effect. Figure 2 A slide groove (not shown in the figure) is provided on the side bracket (A14) and the combined storage tray (A11) is located inside the slide groove through the fixing plate (A113) in a static state, so that the side bracket (A14) and the bottom bracket (A13) can structurally support the combined storage tray (A11), and the combined storage tray (A11) can slide inside the slide groove on the side bracket (A14).

[0026] In this embodiment, Fig. 9 and Fig.10 is a schematic diagram showing a part of the structure of a processing platform according to an embodiment of the present invention. Fig. 9 As shown, the laser processing module (A2) includes an arc-shaped shell (A21), a guide plate (A22) and a laser head module (A23), wherein the arc-shaped shell (A21) is located above the combined storage tray (A11), and the guide plate (A22) is located above the arc-shaped shell (A21). Fig.10 As shown, a shell groove (A211) is provided on the arc-shaped shell (A21), and a guide groove (A221) is provided on the guide plate (A22). Fig.11 is a schematic diagram illustrating the structure of the housing groove (A211) and the guide groove (A221) according to an embodiment of the present invention, as shown in FIG. Fig.11As shown, the shell groove (A211) includes a group of first shell grooves (A211-1) along the first direction and multiple groups of second shell grooves (A211-2) along the second direction, and the second shell grooves (A211-2) are respectively connected to the first shell groove (A211-1), the first direction and the second direction are perpendicular to each other, and the second direction is consistent with the rotatable direction of the strip rotating plate (A111); the guide groove (A221) includes a group of first guide grooves (A221-1) along the first direction and multiple groups of second guide grooves (A221-2) along the second direction, and the second guide grooves (A221-2) are respectively connected to the first guide grooves (A221-1 ) are connected, the projections of the guide groove (A221) and the shell groove (A211) in the vertical direction overlap, and the second shell groove (A211-2) and the second guide groove (A221-2) correspond one to one with the positions of the strip rotating plate (A111) therebelow in the vertical direction. It should be noted that the connection point between each group of second guide grooves (A221-2) and the first guide groove (A221-1) is located inside the second guide groove (A221-2) and an infrared sensing device (not shown in the figure) is provided, and its specific function will be described later; the laser head module (A23) is located below the arc-shaped shell (A21), and it can move along the lower end of the shell groove.

[0027] In this example, please continue to refer to Figure 3 and Figure 4 , a plurality of strip-shaped rotating plates (A111) are respectively installed on both sides of the central axis assembly (A112) and are closely adjacent to each other to form a storage surface of the combined storage tray (A11) for placing workpieces, that is, the other ends of the plurality of strip-shaped rotating plates (A111) form the periphery of the combined storage tray (A11), and a tooth block is provided on the other end of the strip-shaped rotating plates (A111), that is, the periphery of the combined storage tray (A11) is provided with a tooth block, please refer to Figure 2 The first motor component (A12) is arranged on the gear block to drive the combined storage tray (A11) to rotate. The first motor component (A12) drives the combined storage tray (A11) to rotate so that the direction of the die-casting workpiece placed on the combined storage tray (A11) changes.

[0028] Figure 5 FIG. 2 is a schematic diagram showing a strip-shaped rotating plate structure of a combined storage tray according to an embodiment of the present invention. Figure 5 As shown, the strip-shaped rotating plate (A111) is provided with a mounting through hole (A111-1) on one side connected to the middle shaft assembly (A112). Figure 6 , Figure 7 and Figure 8 Respectively Figure 4 The structural enlargement of the X, Y, and Z parts of the middle area, such as Figure 6As shown, the strip-shaped rotating plate (A111) is provided with a mounting through hole (A111-1) on one side connected to the middle shaft assembly (A112). Figure 7 As shown, one end of the mounting through hole (A111-1) is provided with an inner tooth (A111-2), and the bar-shaped rotating plate (A111) is mounted on the outside of the middle shaft assembly (A112) through the mounting through hole (A111-1). Figure 8 As shown, the middle shaft assembly (A112) includes a second motor assembly, a plurality of driving gears (A112-2), a plurality of rotating connecting shafts (A112-3), a plurality of fixing blocks (A112-4), a line tube (A112-5) and a plurality of supporting rings (A112-6), wherein the second motor assembly includes a plurality of second motors (A112-1), and the second motors (A112-1) are used to drive the bar-shaped rotating plate (A111) to rotate; one end of the driving gear (A112-2) is drivingly connected to the output end of the second motor (A112-1), and the outside of the driving gear (A112-2) is respectively connected to the installation The inner teeth (A111-2) inside the through hole (A111-1) are meshed; the other end of the driving gear (A112-2) is rotationally connected to one side of the non-output end of the next group of second motors (A112-1) through a rotating connecting shaft (A112-3). It should be noted that the multiple second motors (A112-1), multiple driving gears (A112-2), and multiple rotating connecting shafts (A112-3) in the middle shaft assembly (A112) are structurally connected in sequence, and their two ends are rotationally connected to the fixed plate (A113) through the rotating connecting shaft (A112-3) to achieve the middle shaft assembly (A112). The invention relates to an integrated driving functional structure; wherein a plurality of fixing blocks (A112-4) are respectively fixedly connected to the lower side of the second motor (A112-1), and one end of the fixing block (A112-4) is fixedly connected to the line tube (A112-5), the line tube (A112-5) is used for the circuit routing of the second motor assembly, and the second motor assembly is controlled and driven by an infrared sensing device arranged inside the second guide groove (A221-2); a plurality of supporting rings (A112-6) are all sleeved on the outside of the line tube (A112-5), and the line tube (A112-5) and the plurality of supporting rings (A112-6) are connected to each other. The plurality of support rings (A112-6) are respectively arranged at one end of the mounting through holes (A111-1) on the plurality of bar-shaped rotating plates (A111) where the internal teeth (A111-2) are not provided, the external dimensions of the support rings (A112-6) are consistent with the opening dimensions of the mounting through holes (A111-1), and the support rings (A112-6) and the mounting through holes (A111-1) are in sliding contact with each other, so that the support rings (A112-6) can provide structural support to the bar-shaped rotating plates (A111) outside the central axis assembly (A112), while not affecting the rotation of the bar-shaped rotating plates (A111).

[0029] In this embodiment, Fig. 9 and Fig.10 is a schematic diagram showing a part of the structure of a processing platform according to an embodiment of the present invention. Fig. 9 As shown, the laser processing module (A2) further includes a sliding block (A24) and a third motor assembly (A25); the sliding block (A24) is located above the guide plate (A22), and the sliding block (A24) is connected to the upper end of the laser head module (A23). It should be noted that the sliding block (A24) moves inside the guide groove (A221), i.e., the first guide groove (A221-1) and the second guide groove (A221-2) under the drive of the third motor assembly (A25). When the sliding block (A24) enters the second guide groove ( When the second guide groove (A221-2) is in contact with the infrared sensor device, the infrared sensor device located inside the second guide groove (A221-2) triggers a signal and controls the bar-shaped rotating plate (A111) directly below the corresponding second guide groove (A221-2) to rotate through the second motor (A112-1) inside the bar-shaped rotating plate (A111); the third motor assembly (A25) includes two sets of third motors, the third motor assembly (A25) is configured on the sliding block (A24), and the third motor assembly (A25) is used to drive the sliding block (A24) to move in the first direction and the second direction respectively; Fig.12 2 is a schematic front view of a part of the structure of a processing platform according to an embodiment of the present invention. Fig.12 As shown, the sliding block (A24) is also provided with an electric telescopic shaft (A241), and the laser head module (A23) is installed at the lower end of the electric telescopic shaft (A241). The electric telescopic shaft (A241) is used to control the movement of the laser head module (A23) along the lower end of the housing groove (A211) in the vertical direction.

[0030] It should be noted that, in this embodiment, a body shell (not shown in the figure) is also included, which is installed outside the workpiece placement table (A1) and the laser processing module (A2) to provide the required working environment.

[0031] During the specific implementation of this embodiment, when the die-cast body shell is subjected to laser surface treatment, the die-cast body is placed on a combined storage tray (A11), that is, placed on a storage surface formed by a plurality of strip-shaped rotating plates (A111). The laser head module (A23) is driven by the third motor component (A25) to move in the vertical direction along the shell groove (A211) and to perform laser treatment on the die-cast body shell below it. At the same time, the third motor component (A25) drives the sliding block (A24) to move along the guide groove (A221). When the third motor component (A25) drives the sliding block (A24) to enter the second guide groove (A221-2), the infrared sensing device is triggered. The signal controls the strip rotating plate (A111) directly below the corresponding second guide groove (A221-2) to rotate downward through the second motor assembly inside the strip rotating plate (A11), so that a portion of the contact surface between the die-cast body and the combined storage tray (A11) is exposed, and at the same time, the laser head module (A23) continues to move downward in the vertical direction along the shell groove (A211) and processes the exposed surface of the die-cast body; at the same time, the first motor assembly (A12) can drive the combined storage tray (A11) to rotate to change the side of the die-cast body thereon to face the laser head module (A23), and after the rotation, the above steps are used to expose and surface treat the other surfaces of the die-cast body.

[0032] The principles and implementation methods of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the method and core ideas of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made to the present invention without departing from the principles of the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A processing platform for surface treatment of die-casting shell, characterized in that: include: Workpiece placing table for placing die-casting workpieces; Laser processing module, used for laser surface treatment of the shell of the die-casting workpiece; The workpiece placement platform comprises: The combined storage tray is circular and includes a central axis assembly and a plurality of strip-shaped rotating plates. One end of the plurality of strip-shaped rotating plates is rotatably mounted on both sides of the central axis assembly and is closely adjacent to each other to form a storage surface of the combined storage tray for placing workpieces. The strip-shaped rotating plates can rotate along the central axis assembly. A first motor assembly, including a plurality of first motors, is disposed on the combined storage tray to drive the combined storage tray to rotate; The laser processing module comprises: An arc-shaped shell is located above the combined storage tray, and a shell groove is formed on the arc-shaped shell. The shell groove includes a group of first shell grooves along a first direction and a plurality of groups of second shell grooves along a second direction, and the plurality of groups of second shell grooves are respectively connected to the first shell grooves, the first direction and the second direction are perpendicular to each other, and the second direction is consistent with the rotatable direction of the strip-shaped rotating plate; A guide plate, located above the arc-shaped shell, the guide plate is provided with guide grooves, the guide grooves include a group of first guide grooves along a first direction and a plurality of groups of second guide grooves along a second direction, and the plurality of groups of second guide grooves are respectively connected to the first guide grooves, and the projections of the guide grooves and the shell grooves in the vertical direction overlap; The laser head module is arranged below the arc-shaped shell and can move along the lower end of the shell groove.

2. The processing platform for surface treatment of die-casting shell according to claim 1, characterized in that: The plurality of strip-shaped rotating plates are respectively installed on both sides of the central axis assembly and are closely adjacent to each other to form a storage surface of the combined storage tray for placing workpieces, that is, the other ends of the plurality of strip-shaped rotating plates constitute the periphery of the combined storage tray, and a gear block is provided on the other end of the strip-shaped rotating plates, that is, a gear block is provided on the periphery of the combined storage tray, and the first motor assembly is configured on the gear block to drive the combined storage tray to rotate.

3. The processing platform for surface treatment of die-casting shell according to claim 1, characterized in that: The workpiece placement platform also includes: A bottom bracket, disposed below one side of the combined storage tray; Two sets of side brackets are respectively arranged on two sides of the combined storage tray.

4. The processing platform for surface treatment of die-casting shell according to claim 1, characterized in that: The combined storage tray also includes two groups of fixing plates, and the two groups of fixing plates are respectively connected to the two ends of the central axis component.

5. The processing platform for surface treatment of die-casting shell according to claim 1, characterized in that: The strip-shaped rotating plate is provided with a mounting through hole on one side connected to the central axis assembly, one end of the mounting through hole is provided with an inner tooth, and the strip-shaped rotating plate is mounted on the outside of the central axis assembly through the mounting through hole. The central axis assembly comprises: A second motor assembly, comprising a plurality of second motors, for driving the strip-shaped rotating plate to rotate; A plurality of driving gears are respectively arranged at the output end of the second motor, and the outer portions of the driving gears are meshed with the inner teeth at one end of the inner portion of the mounting through hole; A plurality of rotating connecting shafts, through which the other end of the driving gear is rotatably connected to the non-output end side of the next group of the second motors; A plurality of fixing blocks, respectively fixedly connected to the lower ends of the second motor; A line pipe, one end of the fixing block is fixedly connected to the line pipe; A plurality of support rings are all sleeved on the outside of the line pipe, and the line pipe is fixedly connected to the inner side of the plurality of support rings. The plurality of support rings are respectively arranged at one end of the mounting holes on the plurality of strip rotating plates which are not provided with internal teeth. The outer dimensions of the support rings are consistent with the opening dimensions of the mounting holes, and there is sliding contact between the support rings and the mounting holes.

6. The processing platform for surface treatment of die-casting shell according to claim 1, characterized in that: The laser processing module also includes: A sliding block, located above the guide plate and connected to the upper end of the laser head module; A third motor assembly, including two sets of third motors, is disposed on the sliding block and is used to drive the sliding block to move in a first direction and a second direction respectively; The sliding block is provided with an electric telescopic shaft, the laser head module is mounted on the lower end of the electric telescopic shaft, and the electric telescopic shaft is used to control the movement of the laser head module along the lower end of the housing groove in the vertical direction.

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