A quick positioning and mounting sand disc

Abstract

The utility model discloses a quick positioning and installation's sand disc relates to polishing equipment technical field, including sand disc, and the periphery of sand disc upper and lower end surface all is firmly connected with polishing area, and the inboard of polishing area on sand disc is the installation area, and the installation area is equipped with cooperation structure, and sand disc is connected fixed on the installation component through cooperation structure, and the installation component includes the joint structure, springback structure and limit structure, the utility model discloses through the mode of quick positioning installation area position and horizontal height of magnetic attraction groove adsorption positioning protruding, thereby lay a good foundation for the subsequent fixed work, improved practicality and convenience, realized the ability of sand disc quick positioning, through installation component and cooperation structure again and make sand disc can one -key rotation installation, and the installation process is quick, and the fixed state is stable, improved practicality and portability, realized the ability of sand disc quick installation fixed, finally solved the time -consuming and labor -intensive problem of existing screw nut structure installation fixed.

Description

Technical Field

[0001] This utility model relates to the field of grinding equipment technology, and in particular to a sanding disc that can be quickly positioned and installed. Background Technology

[0002] A sandtray, also known as a steel paper grinding disc, abrasive disc, or high-speed grinding disc, is a circular coated abrasive tool made of steel paper (vulcanized fiber) as the matrix and silicon carbide or corundum as the abrasive, bonded together with synthetic resin. The main application of sandtrays is in conjunction with sanding machines to grind workpieces. However, existing sandtray structures and sanding machines are mainly connected by screws and nuts. This connection relies primarily on perforations in the sandtray itself for positioning, and the installation process is time-consuming and labor-intensive, which is inconvenient in many applications requiring frequent sandtray replacements. Therefore, this invention addresses these problems by improving existing equipment. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing a sand tray for rapid positioning and installation.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a sanding disc for quick positioning and installation, comprising a sanding disc, wherein a grinding area is fixedly connected to the outer periphery of both the upper and lower end faces of the sanding disc, and the inner side of the grinding area on the sanding disc is an installation area, wherein the installation area is provided with a mating structure, and the sanding disc is connected and fixed to the installation component through the mating structure, wherein the installation component includes a snap-fit ​​structure, a spring-loaded structure and a limiting structure.

[0005] Preferably, the mating structure includes a positioning protrusion, which is fixedly connected to the same position on the upper surface of the mounting area. Three card interfaces are evenly provided on the mounting area, and the card interfaces are semi-arc-shaped with the diameter of the two ends of the arc decreasing linearly.

[0006] Preferably, a positioning ring is abutted against the outer periphery of the bottom surface of the installation area, and multiple magnetic grooves are formed around the top surface of the positioning ring, with positioning protrusions adsorbed within the magnetic grooves.

[0007] Preferably, the snap-fit ​​structure includes a mounting box, a positioning ring is rotatably connected to the outer side of the mounting box, a connecting frame is fixedly mounted on the bottom surface of the mounting box, and the connecting frame is fixedly mounted on the rotating end of the grinder.

[0008] Preferably, the mounting box has three sliding rods horizontally slidably connected at equal intervals around the center. The rear end of the top surface of each sliding rod is vertically fixed with a snap-fit ​​post. The snap-fit ​​post consists of a column body and a limiting piece at the top of the column body. The diameter of the limiting piece is smaller than the diameter of the largest end of the snap-fit ​​interface but larger than the diameter of the smallest end. The diameter of the column body is smaller than the diameter of the smallest end of the snap-fit ​​interface.

[0009] Preferably, the rebound structure includes a second spring, which is horizontally installed in a spring groove below the slide rod. The rear end of the second spring abuts against the side wall of the spring groove, and the front end abuts against a baffle extending downward from the bottom of the slide rod.

[0010] Preferably, the limiting structure includes a pressing piece, which is slidably connected to the middle of the top surface of the mounting box. A spring plate is fixedly connected to the middle of the bottom surface of the pressing piece. The mounting box has a downward-facing groove that matches the diameter of the spring plate. A connecting plate is fixedly connected to the middle of the bottom surface of the spring plate via a connecting shaft. The connecting plate is slidably connected to the middle of the bottom surface of the mounting box via a connecting shaft. Limiting posts are fixedly connected to the opposite ends of the sliding rod around the top surface of the connecting plate. A first spring is provided between the spring plate and the bottom of the groove in the mounting box.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model quickly positions the installation area and horizontal height by using a magnetic groove to attract and position the positioning protrusion, thus laying a good foundation for subsequent fixing work, improving practicality and convenience, and realizing the ability to quickly position the sand tray; furthermore, through the installation components and matching structure, the sand tray can be rotated and installed with one click, the installation process is quick and the fixed state is stable, improving practicality and portability, and realizing the ability to quickly install and fix the sand tray; ultimately solving the problem of time-consuming and laborious installation and fixing using existing screw and nut structures. Attached Figure Description

[0012] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0013] Figure 1 This is a three-dimensional schematic diagram of the overall appearance of the device proposed in this utility model;

[0014] Figure 2 This is a three-dimensional schematic diagram of the appearance of the sand table to be installed according to this utility model;

[0015] Figure 3 This is a three-dimensional schematic diagram of the appearance of the installation component proposed in this utility model;

[0016] Figure 4 This is a three-dimensional cross-sectional view of the snap-fit ​​structure proposed in this utility model;

[0017] Figure 5 This is a three-dimensional cross-sectional view of the spring-loaded structure proposed in this utility model;

[0018] Figure 6 This is a three-dimensional schematic diagram of the limiting structure proposed in this utility model.

[0019] The numbers in the diagram are: 1. Sanding disc; 2. Grinding area; 3. Installation area; 4. Positioning protrusion; 5. Snap-fit ​​interface; 6. Positioning ring; 7. Magnetic groove; 8. Mounting box; 9. Connecting bracket; 10. Pressing plate; 11. Spring plate; 12. Connecting plate; 13. Limiting post; 14. First spring; 15. Slide rod; 16. Snap-fit ​​post; 17. Second spring. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Example: See Figures 1 to 6This utility model discloses a sanding disc for quick positioning and installation, comprising a sanding disc 1. Grinding areas 2 are fixedly connected to the outer periphery of both the upper and lower end faces of the sanding disc 1. The inner side of the grinding areas 2 on the sanding disc 1 is an installation area 3. The installation area 3 has a mating structure, through which the sanding disc 1 is connected and fixed to an installation component. The installation component includes a snap-fit ​​structure, a spring-loaded structure, and a limiting structure. The mating structure includes a positioning protrusion 4, which is fixedly connected to the same position on the upper end face of the installation area 3. Three snap-fit ​​interfaces 5 are evenly distributed on the installation area 3. The snap-fit ​​interfaces 5 are semi-arc-shaped with the diameter linearly decreasing at both ends of the arc. The bottom of the installation area 3... A positioning ring 6 is abutted against the outer perimeter of the mounting surface. Multiple magnetic grooves 7 are formed around the top surface of the positioning ring 6, and positioning protrusions 4 are attracted within the magnetic grooves 7. The mounting area 3 is quickly positioned and leveled by attracting the positioning protrusions 4 through the magnetic grooves 7, thus laying a foundation for subsequent fixing work and improving practicality and convenience. The snap-fit ​​structure includes a mounting box 8. The positioning ring 6 is rotatably connected to the outer side of the mounting box 8. A connecting frame 9 is fixedly mounted on the bottom surface of the mounting box 8 and is fixedly mounted on the rotating end of the grinder. Three sliding rods 15 are equidistantly horizontally connected around the center inside the mounting box 8. A locking post 16 is vertically fixed to the rear end of the top surface of the slide rod 15. The locking post 16 consists of a column body and a limiting piece at the top of the column body. The diameter of the limiting piece is smaller than the diameter of the largest end of the locking interface 5 but larger than the diameter of the smallest end. The diameter of the column body is smaller than the diameter of the smallest end of the locking interface 5. The spring-loaded structure includes a second spring 17, which is horizontally installed in a spring groove below the slide rod 15. The rear end of the second spring 17 abuts against the side wall of the spring groove, and the front end abuts against a baffle extending downward from the bottom surface of the slide rod 15. The limiting structure includes a pressing piece 10, which is slidably connected to the top surface of the mounting box 8. In the middle, a spring plate 11 is fixedly connected to the bottom center of the pressing plate 10. The mounting box 8 has a downward sliding groove that matches the diameter of the spring plate 11. A connecting plate 12 is fixedly connected to the bottom center of the spring plate 11 via a connecting shaft. The connecting plate 12 is slidably connected to the bottom center of the mounting box 8 via a connecting shaft. Limiting posts 13 are fixedly connected to the opposite ends of the sliding rod 15 around the top surface of the connecting plate 12. A first spring 14 is provided between the spring plate 11 and the bottom of the sliding groove in the mounting box 8. Through the mounting components and the matching structure, the sand disc 1 can be rotated and installed with one click. The installation process is quick and the fixed state is stable, which improves practicality and portability.

[0022] Working Principle: When using this utility model, the entire installation assembly must first be securely installed and fixed on the rotating end of the sanding machine using the connecting bracket 9 in the installation assembly. After the basic assembly is completed, the sanding disc 1 can be quickly installed. The specific steps are as follows: First, place the sanding disc 1 horizontally and coaxially above the installation box 8 of the installation assembly. At this time, the outer periphery of the bottom surface of the installation area 3 of the sanding disc 1 is in contact with the positioning ring 6 rotatably connected to the outer side of the installation box 8. Then, slowly rotate the sanding disc 1 until the magnetic groove 7 opened around the top surface of the positioning ring 6 automatically attracts the positioning protrusion 4 fixed to the upper end surface of the installation area 3 of the sanding disc 1, thus initially achieving the pre-positioning of the sanding disc 1. Continue to rotate the sanding disc 1 so that the largest diameter end of the three semi-arc-shaped card interfaces 5 (the diameter of the two ends of the arc decreases linearly) evenly opened on the installation area 3 of the sanding disc 1 is smoothly... The sliding rod 15, which is horizontally equidistant from the center inside the mounting box 8, is vertically fixed to the rear end of the top surface of the locking post 16. At this time, the positioning protrusion 4 is completely attracted into the magnetic groove 7, thereby effectively limiting the horizontal height of the sand tray 1 and preventing height deviation during installation. Next, the pressing plate 10, which is slidably connected to the top surface of the mounting box 8, is pressed down by hand. The pressing plate 10 drives the spring plate 11, which is fixed to the bottom surface, to move downward along the sliding groove opened inside the mounting box 8. At the same time, the first spring 14 set between the spring plate 11 and the bottom of the sliding groove is compressed. During the descent of the spring plate 11, the connecting plate 12, which is fixed to the bottom surface, is driven to descend synchronously through the connecting shaft. The connecting plate 12 then drives the limiting posts 13, which are fixed around the top surface, to disengage from the opposite end of the sliding rod 15, thereby releasing the sliding restriction on the sliding rod 15.

[0023] Then, the sanding disc 1 continues to rotate. Under the elastic force of the second spring 17, which is horizontally installed in the spring groove below the slide rod 15, the locking pin 16 moves smoothly from the largest diameter end of the locking interface 5 to the smallest diameter end. Since the diameter of the smallest end of the locking interface 5 is smaller than the diameter of the limiting piece at the top of the locking pin 16, and the locking interface 5 adopts an arc-shaped design, all movements of the locking pin 16 except for backward movement are locked, thus achieving the initial fixation of the sanding disc 1. Finally, the pressure on the pressing piece 10 is released, the first spring 14 returns to its original deformation and pushes the spring plate 11 upward to reset. The connecting plate 12 moves upward and drives the limiting post 13 to re-lock the slide bar 15, thereby restricting the backward movement of the locking post 16 and ensuring that the fixed state of the sand tray 1 is stable and reliable. This completes the one-click rotation installation of the sand tray 1. After the sand tray 1 is used up, the pressing plate 10 can be pressed down again to make the limiting post 13 disengage from the slide bar 15. The sand tray 1 can be rotated in the opposite direction to make the locking post 16 return from the smallest end of the locking interface 5 to the largest end, releasing the magnetic suction groove 7 and the positioning protrusion 4. The sand tray 1 can then be easily removed. The whole process is convenient and efficient, and both fixing and disassembly can be completed quickly.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A sand tray for rapid positioning and installation, comprising a sand tray (1), characterized in that: The sanding disc (1) has grinding areas (2) fixedly connected to the outer periphery of both the upper and lower end faces. The inner side of the grinding area (2) on the sanding disc (1) is the installation area (3). The installation area (3) is provided with a mating structure. The sanding disc (1) is connected and fixed to the installation component through the mating structure. The installation component includes a snap-fit ​​structure, a spring-loaded structure and a limiting structure.

2. The sand disc for rapid positioning and installation according to claim 1, characterized in that: The mating structure includes a positioning protrusion (4), which is fixed to the same position on the upper surface of the mounting area (3). Three card interfaces (5) are evenly provided on the mounting area (3). The card interfaces (5) are semi-arc-shaped and the diameter at both ends of the arc decreases linearly.

3. The sand disc for rapid positioning and installation according to claim 2, characterized in that: The bottom periphery of the installation area (3) is abutted by a positioning ring (6), and multiple magnetic grooves (7) are opened around the top surface of the positioning ring (6). Positioning protrusions (4) are attached to the magnetic grooves (7).

4. The sand disc for rapid positioning and installation according to claim 1, characterized in that: The snap-fit ​​structure includes a mounting box (8), a positioning ring (6) is rotatably connected to the outer side of the mounting box (8), and a connecting frame (9) is fixedly mounted on the bottom surface of the mounting box (8). The connecting frame (9) is fixedly mounted on the rotating end of the grinder.

5. A sand disc for rapid positioning and installation according to claim 4, characterized in that: The mounting box (8) has three sliding rods (15) that are equidistantly connected horizontally around the center. The rear end of the top surface of the sliding rod (15) is vertically fixed with a snap-fit ​​post (16). The snap-fit ​​post (16) is divided into a column body and a limiting piece at the top of the column body. The diameter of the limiting piece is smaller than the diameter of the largest end of the snap-fit ​​interface (5) and larger than the diameter of the smallest end. The diameter of the column body is smaller than the diameter of the smallest end of the snap-fit ​​interface (5).

6. The sand disc for rapid positioning and installation according to claim 1, characterized in that: The rebound structure includes a second spring (17), which is horizontally installed in a spring groove below the slide rod (15). The rear end of the second spring (17) abuts against the side wall of the spring groove, and the front end abuts against a baffle extending downward from the bottom surface of the slide rod (15).

7. A sand disc for rapid positioning and installation according to claim 1, characterized in that: The limiting structure includes a pressing piece (10), which is slidably connected to the middle of the top surface of the mounting box (8). A spring plate (11) is fixedly connected to the middle of the bottom surface of the pressing piece (10). The mounting box (8) has a downward groove with the diameter of the spring plate (11). A connecting plate (12) is fixedly connected to the middle of the bottom surface of the spring plate (11) via a connecting shaft. The connecting plate (12) is slidably connected to the middle of the bottom surface of the mounting box (8) via a connecting shaft. Limiting posts (13) are fixedly connected to the opposite ends of the sliding rod (15) around the top surface of the connecting plate (12). A first spring (14) is provided between the bottom of the groove in the mounting box (8) and the spring plate (11).

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