Grinding and polishing device for 3D printing accessory production

Abstract

The utility model relates to the technical field of 3D printing, and discloses a grinding and polishing device for 3D printing accessory production, which comprises a base, a polishing outer cylinder is detachably arranged on the base, a polishing inner cylinder is detachably arranged in the polishing outer cylinder, a plurality of hangers are arranged at the edge of the upper part of the polishing inner cylinder, and the hangers are hung at the edge of the upper part of the polishing outer cylinder. A plurality of supporting rods are fixedly arranged above the base and located on the periphery of the polishing outer cylinder, telescopic rods are rotationally arranged at the upper ends of the supporting rods, and the extending ends of the telescopic rods are connected with hanging ropes for fixing 3D printing accessories. The device has the advantages that due to the double-cylinder design, the protection effect on accessories is guaranteed, the accessories are limited to a certain degree, and the accessories can be taken out without shutdown.

Description

Technical Field

[0001] This utility model relates to the field of 3D printing technology, specifically to a grinding and polishing device for the production of 3D printed parts. Background Technology

[0002] 3D printed parts are components manufactured using 3D printing technology. 3D printing utilizes a layer-by-layer material deposition method to precisely create various complex shapes of parts based on specific design models. Compared to traditional manufacturing methods, 3D printed parts offer high customization, meeting diverse individual needs. It also enables rapid prototyping, shortening product development cycles.

[0003] However, 3D printed parts have certain drawbacks. In many fields, parts need to ensure surface flatness, a requirement that the layer textures on the surface of 3D printed products cannot meet. Currently, grinding and polishing are commonly used to remove these layer textures. Manual polishing, while highly controllable, is slow; vibratory polishing machines are also used, but this method also has drawbacks. First, bolts and other components inside the polishing cylinder can easily scratch the parts; second, parts are usually small, and checking progress after polishing or during polishing requires stopping the machine and retrieving the parts from the polishing sand, which is cumbersome and requires frequent machine stops. Utility Model Content

[0004] To solve the above-mentioned problems, this utility model proposes a dual-cylinder design to ensure the protection of the parts, restrict the parts to a certain extent, and remove the parts without stopping the machine. This is a grinding and polishing device for 3D printed parts production.

[0005] To solve the above-mentioned technical problems, the technical solution proposed by this utility model is as follows: a grinding and polishing device for the production of 3D printed parts, including a base, a polishing outer cylinder detachably mounted on the base, a polishing inner cylinder detachably mounted inside the polishing outer cylinder, a plurality of hangers mounted on the upper edge of the polishing inner cylinder, the hangers being attached to the upper edge of the polishing outer cylinder, a plurality of support rods fixedly mounted on the base around the polishing outer cylinder, a telescopic rod rotatably mounted on the upper end of the support rod, and a hanging rope for fixing 3D printed parts being connected to the extended end of the telescopic rod.

[0006] Furthermore, several anti-slip rubber strips are provided on the bottom of the base.

[0007] Based on the above features, the anti-slip rubber strip can increase the friction between the entire device and the placement surface, ensuring that the device will not easily slide or shift during the grinding and polishing process, thus guaranteeing the stability and safety of operation.

[0008] Furthermore, a mounting base is provided below the polishing outer cylinder via several springs. The mounting base is fixed to the base by several screws. A vibrator for driving the polishing outer cylinder to vibrate is fixed on the mounting base. A fixing plate is provided at the contact point between the bottom surface of the polishing outer cylinder and the vibrator via bolts.

[0009] Based on the above features, the spring can reset the outer polishing cylinder, and when used with the vibrator, it can improve the vibration effect of the outer polishing cylinder, thereby improving the grinding and polishing effect. The fixing plate is connected to the bottom surface of the outer polishing cylinder and the contact point of the vibrator by bolts, ensuring the firmness of the connection, so that the vibration can be stably transmitted to the outer polishing cylinder, improving the grinding and polishing effect and efficiency, and also facilitating the disassembly and installation of the outer polishing cylinder.

[0010] Furthermore, the number of the hangers is no less than four, and the hangers are evenly spaced around the polishing inner cylinder.

[0011] Based on the above features, the even distribution of multiple hangers can make the suspension of the inner polishing cylinder within the outer polishing cylinder more stable, ensuring that the parts can be ground and polished in a stable environment.

[0012] Furthermore, a shock-absorbing pad is provided on the inner side wall of the polishing outer cylinder, and the outer wall of the polishing inner cylinder is in close contact with the shock-absorbing pad.

[0013] Based on the above characteristics, the shock-absorbing pad can ensure that the inner polishing cylinder is more stable in position within the outer polishing cylinder, prevent the inner polishing cylinder from shaking relative to the outer polishing cylinder, and ensure that the inner polishing cylinder can continuously and stably shake with the outer polishing cylinder, thereby achieving a good grinding and polishing effect.

[0014] Furthermore, the polishing inner cylinder has a conical seat at its center and a spiral groove on its inner sidewall.

[0015] Based on the above features, the conical seat can guide the grinding and polishing material, ensuring its stable movement and achieving uniform and efficient grinding and polishing of 3D printed parts.

[0016] Furthermore, a connecting ring is connected to one end of the telescopic rod near the support rod. The connecting ring is rotatably connected to the upper end of the support rod, and a fastening bolt for fixing the connecting ring is provided at the upper end of the support rod.

[0017] Based on the above features, the design of the connecting ring facilitates the adjustment of the telescopic rod angle, and the fastening bolt can fix the telescopic rod at a specified angle after the angle is adjusted, thereby realizing the adjustment and fixation of the position of the 3D printed parts.

[0018] Furthermore, the telescopic rod has a rotating shaft at the end away from the support rod, and a connecting ring two is hinged at the end of the rotating shaft. The upper end of the hanging rope is movably wrapped around the connecting ring two, and the lower end of the hanging rope is connected to a fixing ring for fixing the 3D printed parts.

[0019] Based on the above features, the design of the pivot and connecting ring two facilitates multi-directional adjustment of the hanging rope angle, thereby enabling flexible adjustment of the position of the 3D printed parts. The fixing ring facilitates quick and easy attachment of 3D printed parts.

[0020] The advantages of this utility model compared with the prior art are:

[0021] The dual-cylinder design ensures protection for the components: The device adopts a dual-cylinder design with an outer polishing cylinder and an inner polishing cylinder. The outer polishing cylinder is used to fix the device and limit the movement of the inner polishing cylinder, providing a stable external environment for the entire grinding and polishing process. The inner polishing cylinder is hung inside the outer polishing cylinder by a bracket, avoiding screw installation and ensuring the smoothness of the inner wall of the inner polishing cylinder. This effectively avoids the risk of damage to the components caused by collisions or scratches from screws or other structures during the grinding and polishing process.

[0022] The accessories can be restricted and removed without stopping the machine: the hanging rope is used to fix the 3D printed accessories and can constrain the 3D printed accessories. It is convenient to pull the hanging rope directly to pull out the 3D printed accessories to check the polishing status or remove them during the grinding and polishing process without stopping the machine. Attached Figure Description

[0023] Figure 1 This is a perspective view of the present invention;

[0024] Figure 2 This is the front view of this utility model;

[0025] Figure 3 This is a bottom view of the present invention;

[0026] Figure 4 This is a top view of the present invention;

[0027] Figure 5 This is a schematic diagram of the present invention excluding the polishing inner cylinder.

[0028] Figure 6 This is a structural schematic diagram of the support rod part of this utility model.

[0029] As shown in the figure: 1. Base; 2. Polishing outer cylinder; 3. Polishing inner cylinder; 4. Hanger; 5. Support rod; 6. Telescopic rod; 7. Hanging rope; 8. Anti-slip rubber strip; 9. Spring; 10. Mounting seat; 11. Vibrator; 12. Shock-absorbing pad; 13. Conical seat; 14. Connecting ring one; 15. Fastening bolt; 16. Rotating shaft; 17. Connecting ring two; 18. Fixing ring. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings.

[0031] Combined with appendix Figure 3 A grinding and polishing device for 3D printed parts production includes a base 1. Several anti-slip rubber strips 8 are provided under the base 1. The anti-slip rubber strips 8 can increase the friction between the entire device and the placement surface, ensuring that the device will not easily slide or shift during the grinding and polishing process, thus ensuring the stability and safety of operation.

[0032] Combined with appendix Figure 1 Appendix Figure 2 Appendix Figure 5 The base 1 is detachably equipped with a polishing outer cylinder 2. A mounting seat 10 is provided below the polishing outer cylinder 2 via several springs 9. The springs 9 can reset the polishing outer cylinder 2. In conjunction with the vibrator 11, the vibration effect of the polishing outer cylinder 2 can be improved, thereby improving the grinding and polishing effect. The mounting seat 10 is fixed to the base 1 by several screws. A vibrator 11 that drives the polishing outer cylinder 2 to vibrate is fixed on the mounting seat 10. A fixing plate is provided at the contact point between the bottom surface of the polishing outer cylinder 2 and the vibrator 11 by bolts. The fixing plate is connected to the contact point between the bottom surface of the polishing outer cylinder 2 and the vibrator 11 by bolts, ensuring the firmness of the connection, so that the vibration can be stably transmitted to the polishing outer cylinder 2, improving the grinding and polishing effect and efficiency, and also facilitating the disassembly and installation of the polishing outer cylinder 2.

[0033] Combined with appendix Figure 1 Appendix Figure 4 The polishing outer cylinder 2 is detachably equipped with a polishing inner cylinder 3. Several hangers 4 are provided at the upper edge of the polishing inner cylinder 3. The hangers 4 are attached to the upper edge of the polishing outer cylinder 2. There are no fewer than four hangers 4. The hangers 4 are evenly spaced around the polishing inner cylinder 3. The even distribution of multiple hangers 4 can make the suspension of the polishing inner cylinder 3 in the polishing outer cylinder 2 more stable, ensuring that the accessories can be polished in a stable environment.

[0034] Combined with appendix Figure 4 The inner wall of the polishing outer cylinder 2 is provided with a shock-absorbing pad 12, and the outer wall of the polishing inner cylinder 3 is in close contact with the shock-absorbing pad 12. The shock-absorbing pad 12 can ensure that the position of the polishing inner cylinder 3 within the polishing outer cylinder 2 is more stable, preventing the polishing inner cylinder 3 from shaking relative to the polishing outer cylinder 2, and ensuring that the polishing inner cylinder 3 can continuously and stably shake with the polishing outer cylinder 2, thereby achieving a good grinding and polishing effect. The polishing inner cylinder 3 has a conical seat 13 at its center, and a spiral groove is provided on the inner wall of the polishing inner cylinder 3. The conical seat can guide the grinding and polishing material, ensuring that it can move stably and achieve uniform and efficient grinding and polishing of 3D printed parts.

[0035] Combined with appendix Figure 1 Appendix Figure 6Several support rods 5 are fixedly arranged around the polishing outer cylinder 2 above the base 1. A telescopic rod 6 is rotatably provided at the upper end of the support rod 5. A connecting ring 14 is connected to one end of the telescopic rod 6 near the support rod 5. The connecting ring 14 is rotatably connected to the upper end of the support rod 5. A fastening bolt 15 is provided at the upper end of the support rod 5 to fix the connecting ring 14. The design of the connecting ring 14 facilitates the adjustment of the angle of the telescopic rod 6. The fastening bolt 15 can fix the telescopic rod 6 at a specified angle after the angle is adjusted, thereby realizing the adjustment and fixation of the position of the 3D printed parts.

[0036] Combined with appendix Figure 6 The telescopic rod 6 has a hanging rope 7 for securing 3D printed parts connected to its extended end. A rotating shaft 16 is rotatably mounted on the end of the telescopic rod 6 away from the support rod 5. A connecting ring 17 is hinged to the end of the rotating shaft 16. The upper end of the hanging rope 7 is movably wound around the connecting ring 17. The rotating shaft 16 and the connecting ring 17 facilitate multi-directional adjustment of the hanging rope 7's angle, thereby enabling flexible adjustment of the 3D printed parts' position. A fixing ring 18 is connected to the lower end of the hanging rope 7 for securing 3D printed parts, allowing for quick and easy attachment of the 3D printed parts.

[0037] The specific implementation method of this utility model is as follows: Connect the device to an external power source. Fix the outer polishing cylinder 2 to the base 1 using the mounting bracket 10 and screws, ensuring the device is stably placed on the operating surface. Hang the hanger 4 on the inner polishing cylinder 3 at the upper edge of the outer polishing cylinder 2, so that the inner polishing cylinder 3 is hung inside the outer polishing cylinder 2. Put an appropriate amount of abrasive into the inner polishing cylinder 3. Hang or tie the 3D printed part to be polished to the lower end of the hanging rope 7. Loosen the fastening bolt 15, rotate the telescopic rod 6 so that its end is above the inner polishing cylinder 3, and then tighten the fastening bolt 15 to fix the telescopic rod 6. Pull up the hanging rope 7 with the 3D printed part fixed on it and put the 3D printed part into the inner polishing cylinder 3. To ensure maximum contact with the abrasive, the vibrator 11 is activated. The vibrator 11 transmits the vibration to the outer polishing cylinder 2 via the fixed plate. The outer polishing cylinder 2 drives the inner polishing cylinder 3 to vibrate, causing the abrasive to vibrate in an orderly manner under the action of the conical seat 13 and the spiral groove to polish the parts. If it is necessary to remove the 3D printed parts for inspection during the polishing process, the machine does not need to be stopped. The hanging rope 7 can be pulled directly to remove the 3D printed parts from the abrasive for inspection. If the polishing is complete, it can be removed directly. If it is not complete, it can be put back for continued polishing. During the process, the rotating shaft 16 rotates in coordination, and the hanging rope 7 moves on the connecting ring 17. The telescopic rod 6 can be rotated back periodically to remove the inner polishing cylinder 3 for cleaning.

[0038] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly, for example, it can be a fixed connection, a detachable connection, or an integral connection; for those skilled in the art, the specific meaning of the above term in this utility model can be understood according to the specific circumstances.

[0039] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A grinding and polishing device for 3D printed parts production, comprising a base (1), characterized in that: A polishing outer cylinder (2) is detachably provided on the base (1), and a polishing inner cylinder (3) is detachably provided inside the polishing outer cylinder (2). Several hangers (4) are provided at the upper edge of the polishing inner cylinder (3), and the hangers (4) are attached to the upper edge of the polishing outer cylinder (2). Several support rods (5) are fixedly provided on the base (1) around the polishing outer cylinder (2). A telescopic rod (6) is rotatably provided at the upper end of the support rod (5), and a hanging rope (7) for fixing 3D printed accessories is connected to the extended end of the telescopic rod (6).

2. The grinding and polishing device for 3D printed parts production according to claim 1, characterized in that: Several anti-slip rubber strips (8) are provided below the base (1).

3. The grinding and polishing device for 3D printed parts production according to claim 1, characterized in that: The polishing outer cylinder (2) is provided with a mounting base (10) below it via several springs (9). The mounting base (10) is fixed to the base (1) by several screws. A vibrator (11) for driving the polishing outer cylinder (2) to vibrate is fixed on the mounting base (10). A fixing plate is provided at the contact point between the bottom surface of the polishing outer cylinder (2) and the vibrator (11) via bolts.

4. The grinding and polishing device for 3D printed parts production according to claim 1, characterized in that: The number of the brackets (4) is not less than four, and the brackets (4) are evenly spaced around the polishing inner cylinder (3).

5. The grinding and polishing device for 3D printed parts production according to claim 1, characterized in that: The inner wall of the polishing outer cylinder (2) is provided with a shock-absorbing pad (12), and the outer wall of the polishing inner cylinder (3) is in close contact with the shock-absorbing pad (12).

6. The grinding and polishing device for 3D printed parts production according to claim 1, characterized in that: The polishing inner cylinder (3) has a conical seat (13) at its center, and a spiral groove is provided on the inner side wall of the polishing inner cylinder (3).

7. The grinding and polishing device for 3D printed parts production according to claim 1, characterized in that: The telescopic rod (6) is connected to a connecting ring (14) at one end near the support rod (5). The connecting ring (14) is rotatably connected to the upper end of the support rod (5). The upper end of the support rod (5) is provided with a fastening bolt (15) for fixing the connecting ring (14).

8. A grinding and polishing device for 3D printed parts production according to claim 1, characterized in that: The telescopic rod (6) has a rotating shaft (16) at the end away from the support rod (5). The end of the rotating shaft (16) is hinged to a connecting ring (17). The upper end of the hanging rope (7) is movably wrapped around the connecting ring (17). The lower end of the hanging rope (7) is connected to a fixing ring (18) for fixing 3D printed accessories.

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