A marble polishing apparatus

Abstract

This utility model discloses a marble polishing device, which relates to the field of marble processing technology. The device includes: a polishing base with multiple adjustment channels along its circumference, extending radially outward from the center of the polishing base; a polishing assembly mounted on the polishing base; multiple settling positioning grooves arranged along the extension direction of the adjustment channels; multiple positioning slides corresponding one-to-one with the adjustment channels, each positioning slide having a first guide shaft at its bottom end, the first guide shaft passing through the adjustment channels; and a positioning element fitted around the first guide shaft, capable of engaging with the settling positioning groove. The device employs multiple positioning mechanisms working in tandem, ensuring positioning accuracy while effectively preventing damage to the marble, significantly improving polishing precision and product quality.

Description

Technical Field

[0001] This utility model relates to the field of marble processing technology, specifically to a marble polishing device. Background Technology

[0002] Marble polishing smooths out minor unevenness, revealing vibrant colors and clear textures, enhancing its decorative appeal. It also eliminates micropores and imperfections, creating a dense surface layer that improves durability and extends lifespan. Precise positioning before marble polishing is crucial. In fields like architectural decoration and craftsmanship, where high precision is required, accurate positioning ensures that the polished product meets standards, reducing the defect rate. Positioning also allows polishing equipment to quickly find its starting point, saving time, increasing efficiency, and reducing costs. In batch processing, standardized polishing ensures consistent polishing results and improves quality.

[0003] According to the authorized publication number (CN221792139U), a marble arc surface polishing device is disclosed, the structure of which includes a worktable, and a frame is stably connected to the rear side of the upper surface of the worktable. During the marble polishing process, the marble is placed on a turntable, and the turntable and pressure plate clamp and fix the marble.

[0004] However, in practical applications, the structure disclosed in this patent reveals significant flaws. This device relies solely on a turntable and a pressure plate to position the marble. To achieve high-precision positioning of the marble, reducing the distance between the turntable and the pressure plate will likely cause crushing damage to the marble due to the relatively concentrated clamping force. Conversely, increasing the distance between the turntable and the pressure plate to avoid damaging the marble will easily cause displacement of the marble during the polishing process due to insufficient constraint, resulting in compromised processing accuracy and failing to meet the practical needs of high-precision marble processing. Utility Model Content

[0005] The purpose of this utility model is to provide a marble polishing device that addresses the problem in the existing technology where positioning relies solely on a turntable and pressure plate, which can easily damage the marble or cause it to shift during polishing, making it difficult to guarantee accuracy. The device proposes a solution by employing multiple positioning mechanisms working in tandem, which not only ensures positioning accuracy but also effectively avoids damage to the marble, significantly improving polishing precision and product quality.

[0006] This utility model is achieved through the following technical solution:

[0007] A marble polishing device includes: a polishing base with multiple adjustment channels circumferentially extending outward from the center of the polishing base; a polishing assembly mounted on the polishing base; multiple settling positioning grooves arranged along the extension direction of the adjustment channels; multiple positioning slides corresponding one-to-one with the adjustment channels, each positioning slide having a first guide shaft mounted at its bottom end, the first guide shaft passing through the adjustment channel; a positioning element fitted around the first guide shaft, capable of engaging with the settling positioning groove; and a return spring fitted around the first guide shaft, one end of the return spring connected to the outer wall of the first guide shaft, and the other end of the return spring connected to the positioning element.

[0008] Furthermore, in this utility model, the aforementioned positioning slide includes a slide body, an irregular surface positioning component, and a telescopic component; a first guide shaft is mounted at the bottom end of the slide body, and a telescopic component is mounted on the slide body; the irregular surface positioning component is connected to the telescopic component, and the telescopic component can adjust the distance between the irregular surface positioning component and the slide body.

[0009] Furthermore, in this utility model, the aforementioned irregular surface positioning component includes a base, a positioning shaft, a second guide shaft, and adjustable ball bearings; a U-shaped positioning channel is provided inside the base, and the positioning shaft is slidably installed at both ends of the positioning channel; multiple adjustable ball bearings are assembled in the positioning channel, and adjacent two adjustable ball bearings are in an abutting state; guide channels are provided on both sides of the base, and the outer wall of the positioning shaft is connected to the second guide shaft, which passes through the guide channel.

[0010] Furthermore, in this invention, the end of the positioning shaft away from the adjusting ball is provided with an elastic coating.

[0011] Furthermore, in this utility model, the telescopic component includes a drive shaft, an adjustment knob, and a connecting hole in the slide body; the drive shaft passes through the connecting hole, one end of the drive shaft is connected to the irregular surface positioning component, and the other end of the drive shaft is fitted inside the adjustment knob, with the adjustment knob threadedly engaged with the drive shaft.

[0012] Furthermore, in this utility model, the aforementioned grinding assembly includes a U-shaped mounting bracket, a supporting slide, a motor, and a grinding component; the two ends of the mounting bracket are slidably mounted on both sides of the grinding base, and the mounting bracket can reciprocate along the extension direction of the grinding base; the supporting slide is fitted onto the outside of the mounting bracket, and the supporting slide can reciprocate along the extension direction of the mounting bracket; the motor is mounted on the supporting slide, and the output end of the motor is connected to the grinding component.

[0013] Compared with the prior art, this utility model has the following advantages and beneficial effects:

[0014] This application utilizes a positioning slide that moves smoothly along an adjusting channel, employing a positioning element in conjunction with a settling positioning groove to achieve initial coarse positioning of the marble slab. Within the irregular-shaped positioning assembly, the positioning shaft and adjusting ball bearings adaptively adjust to the irregular contour of the slab, while the elastic coating at the end of the positioning shaft fills gaps and provides cushioning. This design achieves high-precision positioning, eliminates compression damage, and ensures the integrity and quality of the marble slab. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present invention and form part of this application, do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 A first-person perspective 3D view of a marble polishing device;

[0017] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 A second-view perspective stereoscopic image of a marble polishing device;

[0019] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0020] Figure 5 This is a cross-sectional view of the base in the transverse direction.

[0021] The attached diagram shows the markings and corresponding component names:

[0022] 1-Grinding base, 2-Mounting bracket, 3-Vertical section, 4-Horizontal section, 5-Grinding assembly, 6-Motor, 7-Main spindle, 8-Grinding disc, 9-Adjusting channel, 10-Bearing slide, 11-Slide body, 12-Base, 13-Drive shaft, 14-Adjusting knob, 15-Guide channel, 16-Second guide shaft, 17-First guide shaft, 18-Sinking positioning groove, 19-Positioning element, 20-Reset spring, 21-Positioning channel, 22-Positioning shaft, 23-Adjustable ball bearing. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of this utility model are only used to explain this utility model and are not intended to limit this utility model.

[0024] Example

[0025] Please refer to Figure 1 , Figure 3 and Figure 4This utility model provides a marble polishing device. The core structure of the device includes a polishing base 1, a polishing component 5, multiple settling and positioning grooves 18, multiple positioning slides, multiple adjustment channels 9, positioning elements 19, and a return spring 20, etc. The components work together to achieve the core function of the device.

[0026] Specifically, the grinding base 1, serving as the supporting platform for the entire equipment, has multiple adjustment channels 9 along its circumference. These adjustment channels 9 extend outwards in a precise radial pattern from the center of the grinding base 1. In actual design, the grinding base 1 is typically equipped with four adjustment channels 9, evenly and symmetrically arranged in the upper, lower, left, and right directions of the base, providing a stable guide track for the smooth movement of the subsequent positioning slide, ensuring the motion accuracy and stability of the positioning slide during the adjustment process.

[0027] The grinding assembly 5 is securely mounted on the grinding base 1. As a key execution unit that directly acts on the marble slab to perform the grinding operation, it is responsible for processing the marble surface to a preset precision and smoothness. Multiple settling positioning grooves 18 are distributed at equal intervals along the extension trajectory of the adjustment channel 9, and the settling positioning grooves 18 are located at the bottom of the grinding base 1. The multiple settling positioning grooves 18 provide support for the positioning of the positioning slides. The multiple positioning slides are matched one-to-one with the adjustment channel 9, and each positioning slide is equipped with a first guide shaft 17 at its bottom. The first guide shaft 17 passes through the corresponding adjustment channel 9, enabling the positioning slide to slide smoothly and reciprocally along the extension direction of the adjustment channel 9, thereby flexibly adapting to marble slabs of various sizes and specifications, significantly improving the versatility and adaptability of the equipment. The positioning element 19 is tightly fitted on the outside of the first guide shaft 17. Under the elastic drive of the return spring 20, the positioning element 19 has the function of automatically engaging inside the settling positioning groove 18. The reset spring 20 is also mounted on the first guide shaft 17. One end of the reset spring 20 is firmly connected to the outer wall of the first guide shaft 17, and the other end of the reset spring 20 is tightly connected to the positioning element 19, forming a complete elastic positioning drive system.

[0028] Working Principle: Operators can precisely adjust the position of the positioning slide according to the specific dimensions of the marble slab to be polished. The specific adjustment process is as follows: First, the operator applies a pulling force to the positioning element 19, causing it to overcome the elastic restraint of the return spring 20 and smoothly disengage from its current position in the settling positioning groove 18. Then, guided by the first guide shaft 17, the positioning slide is slowly moved along the adjustment channel 9 to a preset position that matches the dimensions of the marble slab. Finally, the operator removes the external force applied to the positioning element 19. At this moment, under the instantaneous action of the return spring 20, the positioning element 19 quickly engages with the corresponding position in the settling positioning groove 18, thus completing the positioning operation of the positioning slide. The four positioning slides work together to form a positioning area for the marble slab. By reasonably adjusting the position of each positioning slide, it is possible to achieve a complete surround of the marble slab and form a perfect contact with it. This eliminates the problem of displacement deviation of marble slabs during the polishing process, which would affect the polishing accuracy. At the same time, it effectively avoids damage such as breakage and cracks in marble slabs caused by excessive pressure from the positioning slide.

[0029] After completing the positioning process of the marble slabs, the operator activates the grinding component 5 to begin grinding the marble slabs. Given the large amount of dust generated during grinding, to maintain a clean and hygienic working environment and protect the health of the operators, this equipment can be easily adapted to common vacuum cleaners on the market for timely removal of the grinding dust. The core design of this equipment lies in the marble slab positioning technology. The specific structure and working principle of the vacuum cleaner are well-known to those skilled in the art and will not be described in detail here.

[0030] In some embodiments of this application, the positioning slide is mainly composed of three key parts: a slide body 11, a shaped surface positioning component, and a telescopic component. The bottom end of the slide body 11 is fitted with a first guide shaft 17. This first guide shaft 17 matches the adjustment channel 9 on the grinding base 1, ensuring that the slide body 11 can smoothly and steadily move along the grinding base 1 under the guidance of the adjustment channel 9, providing support for the coarse adjustment operation of the entire positioning slide. Simultaneously, the telescopic component is fitted on the slide body 11 to support the subsequent position adjustment of the shaped surface positioning component.

[0031] The irregular-shaped positioning component is positioned opposite to the slide body 11, with the irregular-shaped positioning component closer to the center of the grinding base 1. This arrangement allows the irregular-shaped positioning component to more accurately conform to the surface of the marble slab (especially irregular-shaped marble) when positioning it. The irregular-shaped positioning component is securely connected to the telescopic component, and the distance between the irregular-shaped positioning component and the slide body 11 can be adjusted by the telescopic function of the telescopic component. Therefore, the positioning slide can be adapted to marble slabs of different sizes and specifications, significantly expanding the applicability of the equipment.

[0032] Working Principle: The operator first manually or with the aid of an external drive device pushes the slide body 11 to move the entire positioning slide. During this process, the first guide shaft 17 at the bottom of the slide body 11 moves to the preset position under the guidance of the adjustment channel 9, quickly completing the initial coarse adjustment of the positioning slide position. This coarse adjustment step can quickly position the positioning slide roughly in the area suitable for the size of the marble slab. Next, the operator manipulates the telescopic component to adjust the telescopic amount. As the telescopic component telescopically extends and retracts, the position of the irregular surface positioning component connected to the telescopic component changes accordingly. The operator continues to adjust until the irregular surface positioning component is tightly attached to the surface of the marble slab, achieving precise positioning of the marble slab (especially irregular surface marble slabs). This fine-tuning step can achieve a perfect fit between the irregular surface positioning component and the surface of the marble slab for marble slabs of different irregular shapes and sizes, ensuring the accuracy and stability of positioning, providing positioning support for subsequent grinding processes, and greatly enhancing the processing capability and grinding accuracy of marble grinding equipment for complex-shaped slabs.

[0033] Please refer to Figure 1 , Figure 2 and Figure 5 In some embodiments of this application, the irregular surface positioning component is mainly composed of a base 12, a positioning shaft 22, a second guide shaft 16, and adjustable ball bearings 23. The base 12 serves as the main load-bearing structure of the entire component, and a U-shaped positioning channel 21 is provided within the base 12. Both ends of the positioning channel 21 are open to the outside, and positioning shafts 22 are installed at the openings of the channels. The positioning shafts 22 can reciprocate along a specific trajectory at the openings of the positioning channel 21, providing support for adapting to marble slabs of different sizes and specifications.

[0034] Specifically, within the positioning channel 21, multiple adjustable ball bearings 23 are evenly and orderly assembled, with adjacent ball bearings 23 always maintaining close contact, thus constructing an efficient and continuous force transmission network. When the substrate 12 approaches and contacts the marble slab surface, the positioning shafts 22 on both sides of the substrate 12 simultaneously initiate the contact process with the slab. Given that the marble slab surface generally exhibits irregular shapes, there will inevitably be a deviation in the timing of contact between the positioning shafts 22 and the slab surface. Once one of the positioning shafts 22 touches the marble slab first, the marble slab will immediately apply a force to that positioning shaft 22. This force is quickly transmitted through the positioning shaft 22 to the adjacent adjustable ball bearing 23 within the positioning channel 21. Due to the close contact between the adjustable ball bearings 23, this force will be transmitted sequentially along the adjustable ball bearings 23, traversing the entire force transmission network, and finally reaching the other positioning shaft 22. Upon receiving the transmitted force, the positioning shaft 22, which was not yet in contact with the marble slab, will move outward from the positioning channel 21 until it reaches the preset position and makes tight contact with the surface of the marble slab. In this way, the two positioning shafts 22 cooperate and complement each other, which can handle marble slabs with various complex irregular shapes, and effectively ensure the accuracy and stability of positioning.

[0035] In addition, guide channels 15 are respectively opened on both sides of the base 12. The outer wall of the positioning shaft 22 is connected to the second guide shaft 16, which passes through the guide channel 15. During the movement of the positioning shaft 22, the second guide shaft 16 performs a guiding function within the guide channel 15, constraining the movement path of the positioning shaft 22, so that it always moves smoothly along the preset trajectory, further enhancing the positioning accuracy and reliability of the irregular surface positioning component for irregular surface marble slabs.

[0036] In some embodiments of this application, when the two positioning shafts 22 contact the irregularly shaped marble slab and perform a positioning operation, gaps easily appear between the positioning shafts 22 and the slab surface due to the complex and irregular characteristics of the marble slab surface. The elastic coating (rubber, silicone, or polyurethane, etc.) responds rapidly upon contact with the slab and the application of pressure, thanks to its own elastic deformation properties. The elastic coating adaptively deforms according to the actual contour of the marble slab surface, thereby filling the gaps between the positioning shafts 22 and the irregularly shaped marble slab in an all-around, gapless manner.

[0037] On the one hand, it greatly enhances the stability of positioning, effectively preventing the marble slab from shifting due to unstable positioning during grinding operations, thus providing support for improving grinding accuracy. On the other hand, the elastic coating can buffer the contact stress between the positioning shaft 22 and the slab, preventing the positioning shaft 22 from causing hard scratches or damage to the surface of the irregular marble slab, effectively maintaining the integrity and aesthetics of the marble slab.

[0038] Please refer to Figure 1 and Figure 2 In some embodiments of this application, the telescopic assembly mainly consists of a drive shaft 13, an adjustment knob 14, and a connecting hole formed in the slide body 11. The irregular surface positioning component and the adjustment knob 14 are respectively arranged on both sides of the slide body 11. The connecting hole is formed on the slide body 11, providing precise guidance and stable support for the installation and movement of the drive shaft 13. The drive shaft 13 passes through the connecting hole, and one end of the drive shaft 13 is connected to the irregular surface positioning component to ensure that when the drive shaft 13 moves, it can synchronously drive the irregular surface positioning component to adjust its position; the other end of the drive shaft 13 is fitted inside the adjustment knob 14, and the adjustment knob 14 and the drive shaft 13 are connected by a threaded engagement.

[0039] Working principle: The operator only needs to turn the adjustment knob 14. Utilizing the threaded transmission principle between the adjustment knob 14 and the drive shaft 13, the rotational motion is converted into linear motion of the drive shaft 13. Since the drive shaft 13 is tightly connected to the irregular surface positioning component, the linear movement of the drive shaft 13 synchronously drives the irregular surface positioning component to make corresponding position adjustments. In this way, the operator can precisely adjust the position of the irregular surface positioning component according to the specific dimensions of the marble slab to be polished, ensuring that the irregular surface positioning component fits tightly against the surface of the marble slab, achieving effective positioning and adaptation for marble slabs of different sizes and shapes.

[0040] Please refer to Figure 1 In some embodiments of this application, the grinding assembly 5 mainly comprises a U-shaped mounting bracket 2, a supporting slide 10, a motor 6, and grinding execution components. The mounting bracket 2 has vertical sections 3 at both ends and is securely connected in the middle by a horizontal section 4. During actual operation, the mounting bracket 2 can precisely adjust its position on the grinding base 1 according to marble slabs of different sizes and placement positions, ensuring that the grinding operation accurately covers all areas of the slab; and the horizontal section 4 can move up and down relative to the vertical sections 3 on both sides, thereby allowing feeding of marble slabs of different sizes, which will not be elaborated further here.

[0041] The bearing slide 10 is mounted on the outside of the transverse section 4 of the mounting bracket 2, and the bearing slide 10 has the characteristic of reciprocating along the extension direction of the transverse section 4. During the polishing process, the bearing slide 10 can quickly and accurately slide to any part of the marble slab surface according to the actual polishing needs, ensuring that the polishing operation can be fully applied to every part of the marble slab.

[0042] Motor 6 is mounted on the supporting slide body 10, and its output end is connected to the spindle 7. The spindle 7 is tightly assembled with the grinding disc 8 (the grinding assembly 5 consists of the spindle 7 and the grinding disc 8). When motor 6 is powered on, it drives the spindle 7 to rotate at high speed, which in turn drives the grinding disc 8 to rotate at high speed synchronously. The high-speed rotating grinding disc 8 contacts the surface of the marble slab, and the abrasive adhering to the grinding disc 8 immediately performs a series of high-intensity grinding and polishing operations on the marble surface, thereby achieving deep processing of the marble slab.

[0043] Working Principle: In practical operation scenarios, the grinding component 5 of this invention provides operators with diverse control options to meet different grinding needs. On one hand, operators can use manual control mode, relying on their own experience and operating skills, to directly control the carrier slide 10 to move flexibly above the marble slab, performing fine grinding on different parts of the marble slab. This is suitable for complex working conditions requiring fine adjustments and localized finishing, fully leveraging the operator's initiative to ensure the highest possible grinding quality. On the other hand, to significantly improve the production efficiency of grinding operations, automated control equipment such as the integrated lead screw servo motor 6 can be used. This allows for adjustment of the moving distance and direction of the mounting bracket 2 and the carrier slide 10, ensuring that the grinding operation proceeds along a predetermined path.

[0044] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A marble polishing apparatus, characterized by, include: A grinding base (1) is provided with a plurality of adjustment channels (9) along the circumferential direction. The adjustment channels (9) extend radially outward from the center of the grinding base (1). A polishing assembly (5) is mounted on the polishing base (1); Multiple settling positioning grooves (18) are arranged along the extension direction of the regulating channel (9); Multiple positioning slides are provided, and each of the multiple positioning slides corresponds to one of the multiple adjustment channels (9). The bottom end of each positioning slide is equipped with a first guide shaft (17), which passes through the adjustment channel (9). Positioning element (19) is fitted outside the first guide shaft (17) and can be inserted into the settling positioning groove (18); A reset spring (20) is fitted outside the first guide shaft (17). One end of the reset spring (20) is connected to the outer wall of the first guide shaft (17), and the other end of the reset spring (20) is connected to the positioning element (19).

2. Marble polishing apparatus according to claim 1, characterized in that, The positioning slide includes a slide body (11), an irregular surface positioning component, and a telescopic component; The first guide shaft (17) is assembled at the bottom end of the slide body (11), and the telescopic component is assembled on the slide body (11); The irregular surface positioning component is connected to the telescopic component, and the telescopic component can adjust the distance between the irregular surface positioning component and the slide body (11).

3. Marble polishing apparatus according to claim 2, characterized in that The irregular surface positioning component includes a base (12), a positioning shaft (22), a second guide shaft (16), and adjustable ball bearings (23); The base (12) has a U-shaped positioning channel (21) inside. The positioning shaft (22) is slidably installed at the slots at both ends of the positioning channel (21). Multiple adjustable ball bearings (23) are assembled in the positioning channel (21), and two adjacent adjustable ball bearings (23) are in an abutting state. Guide channels (15) are provided on both sides of the base (12), and the outer wall of the positioning shaft (22) is connected to the second guide shaft (16), which passes through the guide channel (15).

4. Marble polishing apparatus according to claim 3, characterized in that The end of the positioning shaft (22) away from the pitch ball (23) is provided with an elastic coating.

5. Marble polishing apparatus according to any one of claims 2 to 4, characterized in that The telescopic assembly includes a drive shaft (13), an adjustment knob (14), and a connecting hole opened in the slide body (11); The drive shaft (13) passes through the connecting channel. One end of the drive shaft (13) is connected to the irregular surface positioning component, and the other end of the drive shaft (13) is fitted inside the adjusting knob (14). The adjusting knob (14) is threadedly engaged with the drive shaft (13).

6. Marble polishing apparatus according to any one of claims 2 to 4, characterized in that The grinding assembly (5) includes a U-shaped mounting bracket (2), a load-bearing slide (10), a motor (6), and the grinding assembly (5); The two ends of the mounting bracket (2) are slidably mounted on both sides of the grinding base (1), and the mounting bracket (2) can reciprocate along the extension direction of the grinding base (1). The bearing slide (10) is fitted onto the outside of the mounting bracket (2), and the bearing slide (10) can reciprocate along the extension direction of the mounting bracket (2); The motor (6) is mounted on the bearing slide (10), and the output end of the motor (6) is connected to the grinding assembly (5).

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