Main roller mechanism and laser grooving device

Abstract

The utility model discloses a main roller mechanism and a laser slotting device, the main roller mechanism is used for driving a main roller to rotate, the main roller mechanism comprises at least one main roller driving piece, a main shaft and an auxiliary main shaft, one end of the main shaft is connected with one end of the main roller, and the other end of the main roller is connected with one end of the auxiliary main shaft; and the main roller driving piece is in transmission connection with the other end of the main shaft, and / or the main roller driving piece is in transmission connection with the other end of the auxiliary main shaft. By arranging the main shaft and the auxiliary main shaft, high concentricity of a machined product can be ensured for a long time, so that the uniformity and consistency of the product can be ensured, meanwhile, the influence of external factors on the machining precision of the product can be reduced, and the machining precision of the product can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of laser cutting equipment, in particular to a main roller mechanism and a laser slotting device. Background Art

[0002] In traditional single-spindle rotary mechanism designs, a single spindle is usually used as the driving source. This design can meet basic requirements in simple application scenarios. However, with the continuous improvement of product quality and precision requirements, single-spindle rotary mechanisms have gradually exposed the following problems:

[0003] 1. When a single spindle runs for a long time or is affected by external factors, it is easy to produce slight deviations, affecting the accuracy of the overall processing or measurement.

[0004] 2. Due to factors such as material processing and assembly technology, the rotating mechanism of a single spindle is difficult to ensure high concentricity for a long time, which in turn affects the uniformity and consistency of the product. Utility Model Content

[0005] The purpose of the utility model is to provide a main roller mechanism and a laser slotting device, aiming to solve the problems of poor machining accuracy of a single-spindle rotating mechanism.

[0006] An embodiment of the present utility model provides a main roller mechanism for driving the main roller to rotate, comprising: at least one main roller driving member, a main shaft and a sub-spindle, one end of the main shaft being connected to one end of the main roller, the other end of the main roller being connected to one end of the sub-spindle, the main roller driving member being transmission-connected to the other end of the main shaft, and / or the main roller driving member being transmission-connected to the other end of the sub-spindle.

[0007] Furthermore, it also includes: a main shaft fixing seat and a sub-spindle fixing seat, the main shaft is rotatably mounted on the main shaft fixing seat, and the sub-spindle is rotatably mounted on the sub-spindle fixing seat.

[0008] Furthermore, it also includes: a spindle top block, a fixing position is set on the spindle fixing seat, and the spindle top block is set on the side of the spindle fixing seat to cooperate with the fixing position to adjust the angle of the spindle fixing seat.

[0009] Furthermore, it also includes: a sub-spindle seat mounting plate, and the sub-spindle fixing seat is mounted on the sub-spindle seat mounting plate.

[0010] Furthermore, it also includes: a sub-spindle seat shim, which is installed between the sub-spindle fixing seat and the sub-spindle seat mounting plate to adjust the height of the sub-spindle fixing seat.

[0011] Furthermore, it also includes: a sub-spindle seat adjusting shim, the sub-spindle seat adjusting shim is mounted on the sub-spindle seat mounting plate and is arranged between the sub-spindle fixing seat and the sub-spindle seat mounting plate, two angle adjustment holes are provided on one side of the sub-spindle fixing seat corresponding to the sub-spindle seat adjusting shim to adjust the angle of the sub-spindle fixing seat, and a position adjustment hole is provided on the other side of the sub-spindle fixing seat corresponding to the sub-spindle seat adjusting shim to adjust the position of the sub-spindle fixing seat.

[0012] Furthermore, it also includes: a main shaft driving member, the driving end of the main shaft driving member is transmission-connected to the sub-spindle seat mounting plate to drive the sub-spindle seat mounting plate to move toward the main roller, and the sub-spindle seat mounting plate is provided with a guide rail to slideably mount a slider on the marble, or the sub-spindle seat mounting plate is provided with a slider to slideably mount a guide rail on the marble.

[0013] Furthermore, it also includes: a first wedge block and a second wedge block for fixing on the marble, one side of the first wedge block abuts against the second wedge block, and the other side of the first wedge block abuts against the guide rail, and the first wedge block is provided with a guide rail adjustment hole to enable the guide rail to fit the positioning surface on the marble.

[0014] Furthermore, cooling channels for cooling are provided in both the main spindle fixing seat and the sub-spindle fixing seat.

[0015] The embodiment of the present invention further provides a laser grooving device, comprising: marble, a laser module and the above-mentioned main roller mechanism, wherein the laser module and the main roller mechanism are both mounted on the marble.

[0016] The utility model discloses a main roller mechanism and a laser slotting device. The main roller mechanism is used to drive the main roller to rotate, and includes: at least one main roller driving member, a main shaft and a sub-spindle. One end of the main shaft is connected to one end of the main roller, and the other end of the main roller is connected to one end of the sub-spindle. The main roller driving member is in transmission connection with the other end of the main shaft, and / or the main roller driving member is in transmission connection with the other end of the sub-spindle. By providing the main shaft and the sub-spindle, the utility model can ensure that the processed product maintains high concentricity for a long time, thereby ensuring the uniformity and consistency of the product, and at the same time can reduce the influence of external factors on the product processing accuracy, thereby improving the product processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a schematic structural diagram of the main roller mechanism of this embodiment from a first perspective;

[0019] Figure 2 This is a structural schematic diagram of the main roller mechanism of this embodiment from a second perspective;

[0020] Figure 3 Schematic diagram of the structure between the main shaft and the main shaft fixing seat of this embodiment;

[0021] Figure 4 Schematic diagram of the structure of the laser grooving device of this embodiment;

[0022] Figure 5 This is a schematic structural diagram of the sub-spindle and the sub-spindle fixing seat from a first perspective of this embodiment;

[0023] Figure 6 A schematic structural diagram of the sub-spindle and the sub-spindle fixing seat from a second perspective of this embodiment;

[0024] Figure 7 for Figure 5 Partial diagram of A in the middle;

[0025] Figure 8 is a perspective schematic diagram of the spindle fixing seat of this embodiment;

[0026] Figure 9 Schematic diagram of the structure between the main roller driving member and the main roller driving member bottom plate of this embodiment;

[0027] Description of the marks in the figure:

[0028] 1. Main roller; 2. Main roller drive; 3. Spindle; 4. Sub-spindle; 5. Spindle fixing seat; 6. Sub-spindle fixing seat; 7. Spindle top block; 8. Fixing position; 9. Spindle mounting plate; 10. Marble; 11. Spindle adjustment hole; 12. Sub-spindle seat mounting plate; 13. Sub-spindle seat shim; 14. Sub-spindle seat adjustment shim; 15. Angle adjustment hole; 16. Position adjustment hole; 17. Spindle drive; 18. Guide rail; 19. Slider ; 20. Nut block; 21. Spindle ball screw; 22. Drive mounting seat; 23. Screw mounting seat; 24. Coupling; 25. Stop block; 26. First wedge block; 27. Second wedge block; 28. Guide rail adjustment hole; 29. ​​Cooling channel; 30. Positioning top; 31. Flange; 32. Synchronous wheel; 33. Conveyor belt; 34. Main roller drive bottom plate; 35. Main roller drive top block; 36. Laser module; 37. Frame. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] It will be understood that when used in this specification and the appended claims, the terms “comprises” and “comprising” indicate the presence of described features, integers, steps, operations, elements and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or groups thereof.

[0031] It should also be understood that the terms used in this utility model specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model. As used in this utility model specification and the appended claims, the singular forms "a", "an" and "the" are intended to include plural forms unless the context clearly indicates otherwise.

[0032] It should be further understood that the term “and / or” used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0033] See also Figure 1 and Figure 2This embodiment provides a main roller mechanism for driving the main roller 1 to rotate, including: at least one main roller driving member 2, a main shaft 3 and a sub-spindle 4, one end of the main shaft 3 is connected to one end of the main roller 1, the other end of the main roller 1 is connected to one end of the sub-spindle 4, the main roller driving member 2 is transmission-connected to the other end of the main shaft 3, and / or the main roller driving member 2 is transmission-connected to the other end of the sub-spindle 4.

[0034] By setting the main spindle 3 and the sub-spindle 4, this embodiment can ensure that the processed products maintain high concentricity for a long time, thereby ensuring the uniformity and consistency of the products, and at the same time can reduce the impact of external factors on the product processing accuracy, thereby improving the product processing accuracy.

[0035] In this embodiment, the main shaft fixing seat 5 and the auxiliary main shaft fixing seat 6 are further included. The main shaft 3 is rotatably mounted on the main shaft fixing seat 5 , and the auxiliary main shaft 4 is rotatably mounted on the auxiliary main shaft fixing seat 6 .

[0036] Both the main spindle 3 and the counterspindle 4 are supported by independent mounting brackets, ensuring their stability even when operating at high speeds or under heavy loads. These brackets effectively disperse and resist the forces and torques generated during rotation, reducing vibration and noise and extending the life of the equipment.

[0037] In this embodiment, please refer to Figure 3 , also includes: a spindle top block 7, a fixing position 8 is provided on the spindle fixing seat 5, and the spindle top block 7 is provided on the side of the spindle fixing seat 5 to cooperate with the fixing position 8 to adjust the angle of the spindle fixing seat 5.

[0038] By providing a fixing point 8 on the spindle holder 5 and configuring a spindle top block 7 on its side to accommodate the fixing point 8, precise adjustment of the spindle holder 5's angle is achieved. This design allows the user to easily change the angle of the spindle 3 as needed, ensuring that the spindle 3 axis is parallel to the laser module. The fixing point 8 is a pin hole.

[0039] For details, please refer to Figure 3 and Figure 4 , also includes: a spindle mounting plate 9, the spindle mounting plate 9 is fixed on the marble 10, the spindle fixing seat 5 and the spindle top block 7 are arranged on the spindle mounting plate 9, and a spindle adjustment hole 11 is provided on the side of the spindle top block 7.

[0040] The spindle adjustment hole 11 is a threaded hole. When a pin is inserted into the fixing position 8 and the screw is tightened in the spindle adjustment hole 11, the spindle top block 7 is fixed, and the screw is screwed in, abutting the spindle fixing base 5 and gradually applying force to the spindle fixing base 5. At this time, the spindle fixing base 5 rotates about the fixing position 8 as the rotation axis, thereby adjusting the angle of the spindle 3 relative to the laser module 36 so that the axis of the spindle 3 is parallel to the laser module 36. After adjusting the angle of the spindle fixing base 5, the spindle fixing base 5 only needs to be fixed to the spindle mounting plate 9.

[0041] In this embodiment, please refer to Figure 5 , further comprising: a sub-spindle seat mounting plate 12, on which the sub-spindle fixing seat 6 is mounted.

[0042] The sub-spindle mounting plate 12 provides a stable and precise reference surface for the sub-spindle holder 6, ensuring accurate and reliable installation of the sub-spindle 4. The sub-spindle mounting plate 12 not only supports the sub-spindle holder 6 but also reinforces the entire sub-spindle 4 system through its inherent rigidity and stability. This design helps reduce vibration and misalignment, improving stability and reliability during high-speed operation and heavy loads.

[0043] Furthermore, it also includes: a sub-spindle seat shim 13, which is installed between the sub-spindle fixing seat 6 and the sub-spindle seat mounting plate 12 to adjust the height of the sub-spindle fixing seat 6.

[0044] When the height of the sub-spindle mount 6 needs to be adjusted, simply adjusting the thickness of the shim allows for quick and precise adjustments without having to replace the entire fixture. Alternatively, the height of the sub-spindle 4's center axis can be adjusted by screwing into the sub-spindle mount 6 and tightening the sub-spindle mount shim 13. If the sub-spindle 4 is too low, tighten the screw downward; if it's too high, replace the sub-spindle mount shim 13 below.

[0045] The installation of the sub-spindle shim 13 enables precise height adjustment of the sub-spindle mount 6. This adjustment capability ensures proper alignment of the sub-spindle 4 with the main spindle 3, thereby ensuring high concentricity between the main spindle 3 and the sub-spindle 4, and thus ensuring product uniformity and consistency. The sub-spindle shim 13 not only allows for height adjustment but also enhances the stability of the connection between the sub-spindle mount 6 and the sub-spindle mount mounting plate 12 through its distribution and support functions. The sub-spindle shim 13 disperses and absorbs vibration and shock, reducing structural deformation or damage caused by imbalance or overload, thereby improving the stability and reliability of the entire system.

[0046] Furthermore, it also includes: a sub-spindle seat adjusting shim 14, which is installed on the sub-spindle seat mounting plate 12 and is arranged between the sub-spindle fixing seat 6 and the sub-spindle seat mounting plate 12, and two angle adjustment holes 15 are provided on the sub-spindle fixing seat 6 corresponding to one side of the sub-spindle seat adjusting shim 14 to adjust the angle of the sub-spindle fixing seat 6, and a position adjustment hole 16 is provided on the other side of the sub-spindle fixing seat 6 corresponding to the sub-spindle seat adjusting shim 14 to adjust the position of the sub-spindle fixing seat 6.

[0047] When the angle of the sub-spindle fixing seat 6 needs to be adjusted, when the screw is screwed into the upper angle adjustment hole 15, the screw will abut the sub-spindle fixing seat adjustment shim 14. Since the sub-spindle fixing seat adjustment shim 14 is fixed to the sub-spindle fixing seat mounting plate 12 and does not move, the screw will generate a force on the sub-spindle fixing seat 6, causing the sub-spindle fixing seat 6 to rotate counterclockwise. When the screw is screwed into the lower angle adjustment hole 15, the screw will abut the sub-spindle fixing seat adjustment shim 14. Since the sub-spindle fixing seat adjustment shim 14 is fixed to the sub-spindle fixing seat mounting plate 12 and does not move, the screw will generate a force on the sub-spindle fixing seat 6, causing the sub-spindle fixing seat 6 to rotate clockwise. When the screws are screwed into the two angle adjustment holes 15 at the same time, and the screwed-in lengths are the same, the sub-spindle fixing seat 6 can be moved along the axial direction of the main roller 1.

[0048] In addition, one side of the sub-spindle seat adjustment shim 14 is adjacent to the other side of the sub-spindle seat adjustment shim 14. When the screw is screwed into the position adjustment hole 16, the screw will abut the sub-spindle seat adjustment shim 14. Since the sub-spindle seat adjustment shim 14 is fixed on the sub-spindle seat mounting plate 12 and cannot move, the screw will generate a force on the sub-spindle fixing seat 6, thereby causing the sub-spindle fixing seat 6 to move along the axial direction perpendicular to the main roller 1.

[0049] By finely adjusting the height, angle, and position of the sub-spindle mount 6, the sub-spindle 4 can be precisely aligned with the main spindle 3 during machining. This high-precision adjustment capability helps reduce machining errors and improve machining accuracy and product quality.

[0050] In this embodiment, it also includes: a main shaft driving component 17, the driving end of the main shaft driving component 17 is transmission-connected to the sub-spindle seat mounting plate 12 to drive the sub-spindle seat mounting plate 12 to move toward the main roller 1, and a guide rail 18 is provided on the sub-spindle seat mounting plate 12 to slideably mount a slider 19 on the marble 10, or a slider 19 is provided on the sub-spindle seat mounting plate 12 to slideably mount the guide rail 18 on the marble 10.

[0051] When it is necessary to clamp the main roller 1, the main shaft driving component 17 drives the sub-spindle seat mounting plate 12 to move toward the main shaft 3. The movement of the sub-spindle seat mounting plate 12 toward the main shaft 3 will drive the sub-spindle fixing seat 6 thereon and the sub-spindle 4 on the sub-spindle fixing seat 6 to move toward the main shaft 3 until the main shaft 3 and the sub-spindle 4 clamp the main roller 1 at the same time.

[0052] The sub-spindle seat mounting plate 12 is provided with a guide rail 18 (or a slider 19), which forms a sliding fit with the slider 19 (or guide rail 18) on the marble base 10. This design realizes the smooth sliding of the sub-spindle seat mounting plate 12 and reduces vibration and impact during movement.

[0053] The main roller driving component 2 may be a motor, and the main shaft driving component 17 may be a motor, a hydraulic drive, a linear drive, etc.

[0054] For details, please refer to Figure 5 and Figure 6 , also includes: a nut block 20, a spindle ball screw 21, a drive mounting seat 22, a screw mounting seat 23, a coupling 24 and two blocking blocks 25. The drive mounting seat 22 and the screw mounting seat 23 are fixed on the marble 10. The two ends of the spindle ball screw 21 are respectively rotatably mounted on one end of the coupling 24 and the screw mounting seat 23. The other end of the coupling 24 is connected to the driving end of the spindle drive member 17. The nut block 20 is slidably mounted on the spindle ball screw 21 and connected to the sub-spindle seat mounting plate 12. The two blocking blocks 25 are respectively sleeved on the two ends of the spindle ball screw 21.

[0055] High-precision linear movement can be achieved through the cooperation between the spindle ball screw 21 and the nut block 20. Secondly, the stop block 25 can prevent the nut block 20 from hitting the screw mounting seat 23, thereby playing a protective role. Among them, the stop block 25 can be made of a flexible material, such as polyurethane material, plastic material, and rubber material. In addition, the use of a coupling 24 to connect the spindle ball screw 21 and the spindle drive 17 can effectively reduce transmission errors caused by factors such as installation errors, shaft deformation or thermal expansion, thereby ensuring high-precision rotation of the spindle ball screw 21.

[0056] In this embodiment, please refer to Figure 7 , and also includes: a first wedge block 26 and a second wedge block 27 for fixing on the marble 10, one side of the first wedge block 26 abuts against the second wedge block 27, and the other side of the first wedge block 26 abuts against the guide rail 18, and a guide rail adjustment hole 28 is provided on the first wedge block 26 to enable the guide rail 18 to fit the positioning surface on the marble 10.

[0057] When the first wedge block 26 is screwed into the guide rail adjustment hole 28 to lock it, the first wedge block 26 moves downward and gradually presses against the guide rail 18, so that the guide rail 18 completely fits the positioning surface on the marble 10, thereby achieving high-precision installation of the guide rail 18. When it is necessary to use a dial indicator to measure the straightness of the guide rail 18 and its horizontality with the spindle 3, the screws of the first wedge block 26 can be loosened or tightened to adjust the straightness. When the adjustment is complete, the guide rail 18 is then locked.

[0058] In this embodiment, the main spindle fixing seat 5 and the auxiliary spindle fixing seat 6 are both provided with a cooling channel 29 for cooling. Figure 8 shown).

[0059] The main spindle 3 and the sub-spindle 4 can be cooled by circulating coolant in the cooling channel 29 to prevent deformation of the main spindle 3 and the sub-spindle 4 caused by high temperature, thereby affecting the accuracy of the main spindle 3 and the sub-spindle 4. The coolant can be water, oil, or other coolants, which is not limited in this embodiment.

[0060] In this embodiment, one end of the main shaft 3 is connected to one end of the main roller 1 by a positioning tip 30 and a flange 31 (such as Figure 2 As shown), the other end of the main roller 1 is connected to one end of the secondary main shaft 4 through a positioning top 30 and a flange 31.

[0061] The locating tip 30 and flange 31 play a critical role in the connection, enabling precise alignment between the main shaft 3, main roller 1, and secondary spindle 4. The design of the locating tip 30 and flange 31 requires high-precision machining and assembly to ensure coaxiality and positional accuracy between the connected components. This precise alignment helps reduce vibration, noise, and wear caused by installation errors, thereby improving the overall performance and life of the equipment.

[0062] In this embodiment, the system further includes: a synchronous wheel 32 and a conveyor belt 33 (such as Figure 2 As shown), the driving end of the main roller driving member 2 is connected to the synchronous wheel 32, and the synchronous wheel 32 is connected to the main shaft 3 through the transmission belt 33, or the synchronous wheel 32 is connected to the secondary main shaft 4 through the transmission belt 33.

[0063] The combination of the synchronous wheel 32 and the conveyor belt 33 makes power transmission more efficient, reducing energy loss and wear of transmission components.

[0064] In this embodiment, please refer to Figure 9 , also includes: a main roller drive component bottom plate 34 and two main roller drive component top blocks 35, the main roller drive component 2 is installed on the main roller drive component bottom plate 34, and the two main roller drive component top blocks 35 are arranged on the same side or different sides of the main roller drive component bottom plate 34.

[0065] The two main roller drive top blocks 35 can adjust the angle and position of the main roller drive bottom plate 34, and thus the angle and position of the main roller drive 2, and ensure that the main roller drive 2 and the main shaft 3 remain parallel. This parallel relationship not only reduces friction and wear during the transmission process, but also reduces vibration and noise, thereby improving transmission accuracy and stability.

[0066] See also Figure 4 This embodiment also provides a laser grooving device, including: a marble 10, a laser module 36 and the main roller mechanism of the above embodiment, and the laser module 36 and the main roller mechanism are both installed on the marble 10.

[0067] It also includes: a frame 37, in which the marble 10, the laser module 36 and the main roller mechanism are all arranged.

[0068] Marble 10 is used as the base material, which has extremely high hardness and stability. Its texture is uniform, not easy to deform, and can maintain high precision under various temperature conditions.

[0069] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

[0070] It should also be noted that, in this specification, relational terms such as first and second, etc. are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprising" or any other variations thereof are intended to cover non-exclusive.

[0071] Inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a..." does not preclude the presence of other identical elements in the process, method, article, or apparatus comprising the element.

Claims

1. A main roller mechanism for driving the main roller to rotate, characterized in that: include: At least one main roller drive, a main shaft and a secondary main shaft, one end of the main shaft is connected to one end of the main roller, the other end of the main roller is connected to one end of the secondary main shaft, the main roller drive is transmission-connected to the other end of the main shaft, and / or the main roller drive is transmission-connected to the other end of the secondary main shaft.

2. The main roller mechanism according to claim 1, characterized in that: Also includes: A main shaft fixing seat and a secondary main shaft fixing seat, the main shaft is rotatably mounted on the main shaft fixing seat, and the secondary main shaft is rotatably mounted on the secondary main shaft fixing seat.

3. The main roller mechanism according to claim 2, characterized in that: Also includes: The spindle top block is provided with a fixing position on the spindle fixing seat, and the spindle top block is provided on the side of the spindle fixing seat to cooperate with the fixing position to adjust the angle of the spindle fixing seat.

4. The main roller mechanism according to claim 2, characterized in that: Also includes: A sub-spindle seat mounting plate, the sub-spindle fixing seat is mounted on the sub-spindle seat mounting plate.

5. The main roller mechanism according to claim 4, characterized in that: Also includes: A sub-spindle seat washer is installed between the sub-spindle fixing seat and the sub-spindle seat mounting plate to adjust the height of the sub-spindle fixing seat.

6. The main roller mechanism according to claim 4, characterized in that: Also includes: The sub-spindle seat adjusting shim is mounted on the sub-spindle seat mounting plate and is arranged between the sub-spindle fixing seat and the sub-spindle seat mounting plate. Two angle adjustment holes are provided on the sub-spindle fixing seat corresponding to one side of the sub-spindle seat adjusting shim to adjust the angle of the sub-spindle fixing seat. A position adjustment hole is provided on the other side of the sub-spindle fixing seat corresponding to the sub-spindle seat adjusting shim to adjust the position of the sub-spindle fixing seat.

7. The main roller mechanism according to claim 4, characterized in that: Also includes: A main shaft driving member, wherein the driving end of the main shaft driving member is transmission-connected to the sub-spindle seat mounting plate to drive the sub-spindle seat mounting plate to move toward the main roller, and a guide rail is provided on the sub-spindle seat mounting plate to slideably mount a slider on the marble, or a slider is provided on the sub-spindle seat mounting plate to slideably mount a guide rail on the marble.

8. The main roller mechanism according to claim 7, characterized in that: Also includes: A first wedge block and a second wedge block for fixing on the marble, one side of the first wedge block abuts against the second wedge block, and the other side of the first wedge block abuts against the guide rail, and a guide rail adjustment hole is provided on the first wedge block to enable the guide rail to fit the positioning surface on the marble.

9. The main roller mechanism according to claim 2, characterized in that: Cooling channels for cooling are provided in both the main spindle fixing seat and the sub-spindle fixing seat.

10. A laser slotting device, characterized in that: include: Marble, a laser module and a main roller mechanism as described in any one of claims 1 to 9, wherein the laser module and the main roller mechanism are both mounted on the marble.

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