Aluminum die casting mold polishing device

By designing a grinding and polishing device for aluminum die-casting molds, the synergistic effect of the drive and transmission components is used to achieve synchronous processing of both sides of the mold, which solves the problems of uneven grinding and low efficiency in the existing technology, improves grinding efficiency and working environment.

CN224544109UActive Publication Date: 2026-07-24HUIZHOU XIANGGUANGHONG METAL TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUIZHOU XIANGGUANGHONG METAL TECHNOLOGY CO LTD
Filing Date
2025-07-14
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing die-cast parts have particles, burrs and roughness on their surface, which need to be removed by grinding and polishing. However, existing polishing methods are time-consuming, labor-intensive, and the grinding is uneven and inefficient.

Method used

A grinding and polishing device for aluminum die-casting molds was designed, including a base, assembly components, drive components, a first grinding component, a fixing component, a transmission component, a mounting component, a second grinding component, and an adjustment component. The device achieves simultaneous processing of both sides of the mold through the synergistic action of the drive and transmission components. Combined with a dust collection box to collect debris, it ensures that the mold completes double-sided processing in a single clamping.

Benefits of technology

It enables simultaneous grinding of both sides of the mold, avoiding the process of repeatedly flipping the mold in the traditional process, improving grinding efficiency and stability, and effectively collecting grinding debris through the dust collection box, thus improving the working environment.

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Abstract

The utility model relates to drilling and tapping processing technical field, concretely to a kind of aluminium die-casting die polishing device, it include: machine base, assembly component, drive component, first polishing component, fixed component, transmission component, mounting component, second polishing component and adjusting component;Assembly component is located at the side of machine base, drive component is located at the side of assembly component, first polishing component is located at the other side of assembly component close to drive component, and drive component is used to drive first polishing component polishing;Adjusting component adjusts the polishing spacing between second polishing component and fixed component;First polishing component and second polishing component are used to die double-sided polishing on fixed component;Through first polishing component and second polishing component, cooperate drive component and transmission component synergistic effect to die double-sided processing;The spacing between second polishing component and fixed component is adjusted by adjusting component, and the die processing requirement of different thickness can be adapted, each functional component layout is reasonable, compact structure, and strong practicality.
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Description

Technical Field

[0001] This utility model relates to the field of drilling and tapping technology, specifically to a grinding and polishing device for aluminum die-casting molds. Background Technology

[0002] Die casting is a process in which liquid metal (such as aluminum, zinc, copper, or aluminum alloys) is injected into a mold using a pressure casting machine to form parts with complex shapes and dimensions. Aluminum die castings are widely used in electronics, automotive, and other fields due to their lightweight and high strength.

[0003] Existing die-cast parts have particles, burrs and roughness on their surface, which need to be removed by grinding and polishing. Existing die-cast parts polishing is usually done with handheld equipment, which is time-consuming, labor-intensive, and the grinding is uneven and inefficient. Utility Model Content

[0004] To address the aforementioned problems, this utility model provides a grinding and polishing device for aluminum die-casting molds. This device solves the problem that existing die-casting parts have particles, burrs, and roughness on their surface, which require grinding and polishing to eliminate defects. Existing die-casting polishing is usually done with handheld equipment, which is time-consuming, labor-intensive, and results in uneven grinding and low efficiency.

[0005] The technical solution adopted by this utility model is as follows: it includes a base, an assembly assembly, a drive assembly, a first grinding assembly, a fixing assembly, a transmission assembly, a mounting assembly, a second grinding assembly, and an adjustment assembly; the assembly assembly is disposed on one side of the base, the drive assembly is disposed on one side of the assembly assembly, and the first grinding assembly is disposed on the other side of the assembly assembly near the drive assembly; the drive assembly is used to drive the first grinding assembly to grind the grinding tool on the fixing assembly on the assembly assembly. The transmission assembly is disposed on the other side of the base relative to the assembly assembly, the mounting assembly is disposed on the transmission assembly, the fixing assembly and the second grinding assembly are disposed opposite to each other at both ends of the transmission assembly, the adjusting assembly is disposed on the second grinding assembly, and the adjusting assembly is used to adjust the grinding distance between the second grinding assembly and the fixing assembly; The fixing component is disposed between the first grinding component and the second grinding component, and the first grinding component and the second grinding component are used for double-sided grinding of the mold on the fixing component.

[0006] A further improvement to the above solution is that a dust collection box is provided inside the machine base. The dust collection box is used to collect the grinding debris when the first grinding component and the second grinding component grind the mold on the fixed component.

[0007] A further improvement to the above solution is that a drive box is provided on the side of the base near the dust collection box, and the drive assembly is disposed in the drive box. The drive assembly is used to drive the first grinding assembly to perform grinding.

[0008] A further improvement to the above solution is that the assembly assembly includes an assembly base, an assembly table, and an assembly frame; the assembly table is disposed on one side of the assembly base, and the assembly frame is disposed on the other side of the assembly base relative to the assembly table, and is provided with a locking element; one end of the drive assembly is disposed on the assembly table and locked by the locking element; the first grinding assembly is disposed on the assembly frame and locked by the locking element; the assembly frame is semi-circular.

[0009] A further improvement to the above solution is that the drive assembly includes a drive motor, a heat dissipation motor, and a heat dissipation element. The drive motor is disposed in the drive housing, and the heat dissipation element is disposed on the assembly table. The heat dissipation motor is used to drive the heat dissipation element to dissipate heat from the first grinding assembly.

[0010] A further improvement to the above solution is that the first grinding assembly includes a first grinding roller, a first grinding drive element, and a first grinding adjustment element; the first grinding roller is disposed on the assembly frame, one end of the first grinding drive element passes through the first grinding roller and is connected to the drive assembly, and the first grinding adjustment element is disposed on one side of the first grinding roller near the first grinding drive element.

[0011] A further improvement to the above solution is that the first grinding drive element includes a first drive rod, a first drive wheel, a first auxiliary wheel, and a first synchronous belt; the first drive wheel and the first auxiliary wheel are respectively disposed at both ends of the first drive rod, one end of the first synchronous belt is respectively sleeved on the first drive wheel and the drive assembly, and one end of the first drive rod passes through the first grinding roller and drives the first grinding roller to perform grinding transmission through the first drive wheel and the first auxiliary wheel.

[0012] A further improvement to the above solution is that the fixing component includes a fixing platform, an assembly platform is provided at both ends of the fixing platform, grippers are provided on both sides of the assembly platform, a clamping plate is provided on the inner side wall of the grippers, and an adjustment element is provided between the grippers and the clamping plate.

[0013] A further improvement to the above solution is that the assembly table is provided with an expansion and contraction element, which is used to drive the two sets of grippers to open and close relative to each other and is fixed by the clamping plate; the clamping surface of the clamping plate is a rough surface.

[0014] A further improvement to the above solution is that the second grinding assembly includes a second grinding roller and a second grinding drive element; the second grinding drive element includes a second transmission rod, a second drive wheel, a second auxiliary wheel, and a second drive motor; one end of the second transmission rod passes through the second grinding roller and is mounted on the second drive wheel and the second auxiliary wheel; one end of the second drive motor is connected to drive the second drive wheel to drive the second grinding roller to perform grinding transmission through the second transmission rod.

[0015] The beneficial effects of this utility model are: Compared to existing polishing devices, this invention achieves simultaneous double-sided processing of the mold by setting the first and second grinding components on opposite sides of the fixed component, in conjunction with the synergistic action of the drive and transmission components. The drive component, through the assembly component, drives the first grinding component to actively grind, while the transmission component, in conjunction with the mounting component, causes the second grinding component to move accordingly. This symmetrical design allows the mold to be processed on both sides in a single clamping, avoiding the repeated mold flipping required in traditional processes. The distance between the second grinding component and the fixed component can be precisely adjusted by the adjustment component to accommodate molds of varying thicknesses. This ensures the mold remains stable under double-sided stress. The functional components are rationally arranged, the structure is compact, and the device is highly practical. Attached Figure Description

[0016] Figure 1 This is a perspective view of the aluminum die-casting mold grinding and polishing device of this utility model; Figure 2 This is a perspective view of the aluminum die-casting mold grinding and polishing device of this utility model from another angle; Figure 3 This is a front view of the aluminum die-casting mold grinding and polishing device of this utility model; Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0017] Explanation of reference numerals in the attached drawings: base 10, dust collection box 11, drive box 12; Assembly component 20, assembly base 21, assembly table 22, expansion and contraction element 221, assembly frame 23, locking element 24; Drive assembly 30, drive motor 31, cooling motor 32, heat dissipation element 33; First grinding assembly 40, first grinding roller 41, first grinding drive element 42, first drive rod 421, first drive wheel 422, first auxiliary wheel 423, first synchronous belt 424, first grinding adjustment element 43; Fixed component 50, fixed platform 51, assembly platform 52, gripper 53, clamping plate 54, adjusting element 55; Transmission assembly 60; Install component 70; The second grinding assembly 80, the second grinding roller 81, the second grinding drive element 82, the second transmission rod 83, the second drive wheel 84, the second auxiliary wheel 85, and the second drive motor 86; Adjustment component 90. Detailed Implementation

[0018] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0019] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0021] like Figures 1-4As shown in the embodiment of this utility model, an aluminum die-casting mold grinding and polishing device includes: a base 10, an assembly component 20, a drive component 30, a first grinding component 40, a fixing component 50, a transmission component 60, a mounting component 70, a second grinding component 80, and an adjustment component 90; the assembly component 20 is disposed on one side of the base 10, the drive component 30 is disposed on one side of the assembly component 20, and the first grinding component 40 is disposed on the other side of the assembly component 20 near the drive component; the drive component 30 is used to drive the first grinding component 40 to grind the grinding tool on the fixing component 50 on the assembly component 20; the transmission component 6 ... first grinding component 40 is disposed on one side of the assembly component 10, the drive component 30 is used to drive the first grinding component 40 to grind the grinding tool on the fixing component 50 on the assembly component 20; the first grinding component 40 is disposed on one side of the assembly component 10, the drive component 30 is used to drive the first grinding component Component 60 is disposed on the other side of the base 10 relative to the assembly component 20. The mounting component 70 is disposed on the transmission component 60. The fixing component 50 and the second grinding component 80 are disposed opposite each other at both ends of the transmission component 60. The adjusting component 90 is disposed on the second grinding component 80 and is used to adjust the grinding distance between the second grinding component 80 and the fixing component 50. The fixing component 50 is disposed between the first grinding component 40 and the second grinding component 80. The first grinding component 40 and the second grinding component 80 are used for double-sided grinding of the mold on the fixing component 50. In this embodiment, by setting the first grinding component 40 and the second grinding component 80 on both sides of the fixed component 50, and cooperating with the drive component 30 and the transmission component 60, the mold can be processed synchronously on both sides. The drive component 30 drives the first grinding component 40 to perform active grinding through the assembly component 20, while the transmission component 60 links with the mounting component 70 to make the second grinding component 80 move accordingly. The symmetrical design allows the mold to be processed on both sides in a single clamping, avoiding the process of repeatedly flipping the mold in the traditional process. The distance between the second grinding component 80 and the fixed component 50 can be precisely adjusted by the adjustment component 90 to adapt to the processing requirements of molds with different thicknesses. This ensures that the mold remains stable when subjected to force on both sides. The layout of each functional component is reasonable, the structure is compact, and the practicality is strong.

[0022] like Figure 1 As shown, a dust collection box 11 is provided inside the base 10. The dust collection box 11 is used to collect the grinding debris after grinding when the first grinding component 40 and the second grinding component 80 grind the mold on the fixed component 50. In this embodiment, by providing a dust collection box 11 inside the base 10, the effective collection of debris generated during the grinding process is achieved. When the first grinding component 40 and the second grinding component 80 perform grinding operations on the mold on the fixed component 50, the dust collection box 11 can promptly absorb and store the metal debris and dust generated during grinding; thus improving the working environment and reducing dust pollution.

[0023] A drive housing 12 is provided on the side of the base 10 near the dust collection box 11. The drive assembly 30 is disposed within the drive housing 12 and is used to drive the first grinding assembly 40 to perform grinding. In this embodiment, by centrally arranging the drive assemblies 30 within the drive housing 12 on the side of the base 10 near the dust collection box 11, a reasonable distance is maintained between the drive system and the grinding area. This ensures efficient power transmission and avoids the impact of grinding dust on the drive components, thus extending the service life of the equipment.

[0024] like Figure 2 As shown, the assembly component 20 includes an assembly base 21, an assembly table 22, and an assembly frame 23. The assembly table 22 is located on one side of the assembly base 21, and the assembly frame 23 is located on the other side of the assembly base 21 relative to the assembly table 22, and is equipped with a locking element 24. One end of the drive component 30 is mounted on the assembly table 22 and locked by the locking element 24. The first grinding component 40 is mounted on the assembly frame 23 and locked by the locking element 24. The assembly frame 23 is semi-circular. In this embodiment, the semi-circular assembly frame 23, in conjunction with the locking element 24, reliably fixes the drive component 30 and the first grinding component 40, effectively preventing displacement during processing. The spatial layout of the assembly table 22 and the assembly frame 23 on both sides of the assembly base 21 ensures a reasonable distribution of the functional components and facilitates equipment debugging and maintenance by operators.

[0025] The drive assembly 30 includes a drive motor 31, a cooling motor 32, and a heat dissipation element 33. The drive motor 31 is disposed within the drive housing 12, and the heat dissipation element 33 is disposed on the assembly table 22. The cooling motor 32 drives the heat dissipation element 33 to dissipate heat from the first grinding assembly 40. In this embodiment, the integrated design of the drive motor 31 and the cooling motor 32 achieves efficient heat dissipation for the grinding device. The drive motor 31, installed within the drive housing 12, ensures stable power output. The heat dissipation element 33, arranged on the assembly table 22, facilitates heat conduction and dissipation. The cooling motor 32, specifically designed to drive the heat dissipation element 33, provides targeted cooling for the first grinding assembly 40, effectively solving the temperature rise problem caused by frictional heat generation during the grinding process.

[0026] like Figures 3 to 4As shown, the first grinding assembly 40 includes a first grinding roller 41, a first grinding drive element 42, and a first grinding adjustment element 43. The first grinding roller 41 is mounted on the assembly frame 23. One end of the first grinding drive element 42 passes through the first grinding roller 41 and is connected to the drive assembly 30. The first grinding adjustment element 43 is located near the first grinding drive element 42 on one side of the first grinding roller 41. In this embodiment, the direct mounting of the first grinding roller 41 on the assembly frame 23 ensures the overall stability of the grinding mechanism. The connection method of having one end of the first grinding drive element 42 pass through the grinding roller and connected to the drive assembly 30 ensures the reliability of power transmission and simplifies the transmission structure. The adjustment element 55, located near the grinding drive element, facilitates precise adjustment of the grinding pressure and working position. The structure is compact, and the components are rationally arranged, meeting both the basic functional requirements of grinding operations and the convenience of operation and maintenance.

[0027] The first grinding drive element 42 includes a first drive rod 421, a first drive wheel 422, a first auxiliary wheel 423, and a first synchronous belt 424. The first drive wheel 422 and the first auxiliary wheel 423 are respectively disposed at both ends of the first drive rod 421. One end of the first synchronous belt 424 is respectively sleeved on the first drive wheel 422 and the drive assembly 30. One end of the first drive rod 421 passes through the first grinding roller 41 and drives the first grinding roller 41 to perform grinding transmission through the first drive wheel 422 and the first auxiliary wheel 423. In this embodiment, the efficient and stable grinding transmission effect is achieved through the synergistic effect of the first drive rod 421, the drive wheel, and the auxiliary wheel. The layout design of the first drive wheel 422 and the auxiliary wheel being disposed at both ends of the drive rod effectively balances the force distribution of the transmission system and significantly reduces the vibration problem during operation. The design of connecting the drive assembly 30 and the drive wheel with the synchronous belt ensures the accuracy and synchronization of power transmission and avoids the slippage phenomenon that is easy to occur in traditional gear transmission.

[0028] The fixing component 50 includes a fixing platform 51, with assembly platforms 52 at both ends of the fixing platform 51. Clamping jaws 53 are provided on both sides of the assembly platform 52, and clamping plates 54 are provided on the inner sidewalls of the clamping jaws 53. An adjusting element 55 is provided between the clamping jaws 53 and the clamping plates 54. In this embodiment, the combination structure of the fixing platform 51 and the assembly platform 52 achieves a stable clamping function for the aluminum die-casting mold. The clamping jaws 53 at both ends of the assembly platform 52 are adjustable, forming a multi-point clamping structure with the inner clamping plates 54, which can adapt to the fixing requirements of molds of different sizes. The adjusting element 55 between the clamping jaws 53 and the clamping plates 54 allows for precise control of the clamping force, ensuring that the mold does not shift during grinding and polishing while avoiding damage to the mold surface due to over-clamping. This design balances versatility and stability, effectively improving the accuracy and efficiency of grinding and polishing operations.

[0029] An expansion and contraction element 221 is provided on the assembly table 52. The expansion and contraction element 221 is used to drive the two sets of grippers 53 to open and close relative to each other, and is fixed by the clamping plate 54. The clamping surface of the clamping plate 54 is a rough surface. In this embodiment, the expansion and contraction element 221 provided on the assembly table 22 realizes the precise opening and closing control of the grippers 53. As a driving mechanism, the expansion and contraction element 221 can effectively drive the two sets of grippers 53 to move relative to each other, ensuring the stability and reliability of the clamping action. It not only improves the stability of clamping, but also adapts to mold workpieces of different sizes, ensuring the positioning accuracy during the grinding and polishing process. The rough surface treatment process ensures sufficient friction and avoids damage to the workpiece surface, achieving a highly efficient and stable clamping effect.

[0030] The second grinding assembly 80 includes a second grinding roller 81 and a second grinding drive element 82. The second grinding drive element 82 includes a second transmission rod 83, a second drive wheel 84, a second auxiliary wheel 85, and a second drive motor 86. One end of the second transmission rod 83 passes through the second grinding roller 81 and is mounted on the second drive wheel 84 and the second auxiliary wheel 85. One end of the second drive motor 86 drives the second drive wheel 84 to drive the second grinding roller 81 through the second transmission rod 83 for grinding transmission. In this embodiment, the second drive motor 86 precisely controls the rotation of the second drive wheel 84, driving the transmission rod passing through the grinding roller to operate smoothly, ensuring high efficiency of power transmission and enabling the grinding roller to obtain a uniform and stable rotation speed. The cooperative arrangement of the drive wheel and the auxiliary wheel effectively disperses the force on the transmission rod, reducing vibration and sway during operation. The entire transmission system has a reasonable layout, and all components work smoothly together, which not only improves the grinding accuracy and surface treatment quality but also reduces equipment operating noise and energy consumption, and extends the service life of key components.

[0031] A grinding and polishing device for aluminum die-casting molds includes: a base 10, an assembly assembly 20, a drive assembly 30, a first grinding assembly 40, a fixing assembly 50, a transmission assembly 60, a mounting assembly 70, a second grinding assembly 80, and an adjustment assembly 90. The assembly assembly 20 is disposed on one side of the base 10, the drive assembly 30 is disposed on one side of the assembly assembly 20, and the first grinding assembly 40 is disposed on the other side of the assembly assembly 20, close to the drive assembly 30. The drive assembly 30 drives the first grinding assembly 40 to grind the grinding tool on the fixing assembly 50 on the assembly assembly 20. The transmission assembly 60 is positioned opposite to the first grinding assembly 40. The assembly component 20 is disposed on the other side of the base 10, the mounting component 70 is disposed on the transmission component 60, the fixing component 50 and the second grinding component 80 are disposed opposite each other at both ends of the transmission component 60, the adjusting component 90 is disposed on the second grinding component 80, and the adjusting component 90 is used to adjust the grinding distance between the second grinding component 80 and the fixing component 50; the fixing component 50 is disposed between the first grinding component 40 and the second grinding component 80, and the first grinding component 40 and the second grinding component 80 are used for double-sided grinding of the mold on the fixing component 50. In this embodiment, by setting the first grinding component 40 and the second grinding component 80 on both sides of the fixed component 50, and cooperating with the drive component 30 and the transmission component 60, the mold can be processed synchronously on both sides. The drive component 30 drives the first grinding component 40 to perform active grinding through the assembly component 20, while the transmission component 60 links with the mounting component 70 to make the second grinding component 80 move accordingly. The symmetrical design allows the mold to be processed on both sides in a single clamping, avoiding the process of repeatedly flipping the mold in the traditional process. The distance between the second grinding component 80 and the fixed component 50 can be precisely adjusted by the adjustment component 90 to adapt to the processing requirements of molds with different thicknesses. This ensures that the mold remains stable when subjected to force on both sides. The layout of each functional component is reasonable, the structure is compact, and the practicality is strong.

[0032] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A grinding and polishing device for aluminum die-casting molds, characterized in that, include: The assembly includes a base, an assembly component, a drive component, a first grinding component, a fixing component, a transmission component, a mounting component, a second grinding component, and an adjustment component. The assembly component is located on one side of the base, the drive component is located on one side of the assembly component, and the first grinding component is located on the other side of the assembly component near the drive component. The drive component is used to drive the first grinding component to grind the grinding tool on the fixing component on the assembly component. The transmission assembly is disposed on the other side of the base relative to the assembly assembly, the mounting assembly is disposed on the transmission assembly, the fixing assembly and the second grinding assembly are disposed opposite to each other at both ends of the transmission assembly, the adjusting assembly is disposed on the second grinding assembly, and the adjusting assembly is used to adjust the grinding distance between the second grinding assembly and the fixing assembly; The fixing component is disposed between the first grinding component and the second grinding component, and the first grinding component and the second grinding component are used for double-sided grinding of the mold on the fixing component.

2. The aluminum die-casting mold grinding and polishing device according to claim 1, characterized in that: The base is equipped with a dust collection box, which is used to collect the grinding debris when the first grinding component and the second grinding component grind the mold on the fixed component.

3. The aluminum die-casting mold grinding and polishing device according to claim 2, characterized in that: A drive box is provided on the side of the base near the dust collection box, and the drive assembly is disposed in the drive box. The drive assembly is used to drive the first grinding assembly to perform grinding.

4. The aluminum die-casting mold grinding and polishing device according to claim 3, characterized in that: The assembly assembly includes an assembly base, an assembly table, and an assembly frame; the assembly table is disposed on one side of the assembly base, and the assembly frame is disposed on the other side of the assembly base relative to the assembly table, and is provided with a locking element; one end of the drive assembly is disposed on the assembly table and locked by the locking element; the first grinding assembly is disposed on the assembly frame and locked by the locking element; the assembly frame is semi-annular.

5. The aluminum die-casting mold grinding and polishing device according to claim 4, characterized in that: The drive assembly includes a drive motor, a heat dissipation motor, and a heat dissipation element. The drive motor is disposed inside the drive housing, and the heat dissipation element is disposed on the assembly table. The heat dissipation motor is used to drive the heat dissipation element to dissipate heat from the first grinding assembly.

6. The aluminum die-casting mold grinding and polishing device according to claim 5, characterized in that: The first polishing assembly includes a first polishing roller, a first polishing drive element, and a first polishing adjustment element; the first polishing roller is disposed on the assembly frame, one end of the first polishing drive element passes through the first polishing roller and is connected to the drive assembly, and the first polishing adjustment element is disposed on one side of the first polishing roller near the first polishing drive element.

7. The aluminum die-casting mold grinding and polishing device according to claim 6, characterized in that: The first grinding drive element includes a first drive rod, a first drive wheel, a first auxiliary wheel, and a first timing belt; the first drive wheel and the first auxiliary wheel are respectively disposed at both ends of the first drive rod, one end of the first timing belt is respectively sleeved on the first drive wheel and the drive assembly, and one end of the first drive rod passes through the first grinding roller and drives the first grinding roller to perform grinding transmission through the first drive wheel and the first auxiliary wheel.

8. The aluminum die-casting mold grinding and polishing device according to claim 1, characterized in that: The fixing component includes a fixing platform, with assembly platforms at both ends of the fixing platform, grippers on both sides of the assembly platform, clamping plates on the inner sidewalls of the grippers, and an adjustment element between the grippers and the clamping plates.

9. The aluminum die-casting mold grinding and polishing device according to claim 8, characterized in that: The assembly table is equipped with an expansion and contraction element, which is used to drive the two sets of grippers to open and close relative to each other and is fixed by the clamping plate; the clamping surface of the clamping plate is a rough surface.

10. The aluminum die-casting mold grinding and polishing device according to claim 1, characterized in that: The second grinding assembly includes a second grinding roller and a second grinding drive element; the second grinding drive element includes a second transmission rod, a second drive wheel, a second auxiliary wheel and a second drive motor, one end of the second transmission rod passes through the second grinding roller and is mounted on the second drive wheel and the second auxiliary wheel; one end of the second drive motor is connected to drive the second drive wheel to drive the second grinding roller to perform grinding transmission through the second transmission rod.