Polishing device for fine parts of copper handicrafts

Abstract

The utility model discloses a polishing device for fine parts of copper handicrafts, which comprises an electric polisher, a sleeve rod, an adjusting rod, a lock catch and a polishing head, the sleeve rod is clamped on an output shaft of the electric polisher, the adjusting rod is inserted in the sleeve rod, the polishing head capable of being detached and washed is fixed at one end of the adjusting rod far away from the sleeve rod, and the lock catch used for locking the adjusting rod is arranged on the sleeve rod. Lock holes are evenly formed in the outer side of the adjusting rod, a boss is fixed to the side face of the end, close to the sleeve rod, of the adjusting rod, a guide groove matched with the boss is formed in the inner side of the sleeve rod, a conical head is fixed to the end, away from the adjusting rod, of the grinding head, grinding blades are evenly arranged on the outer surface of the conical head, and a threaded head is fixed to the other end of the grinding head. A wrench groove is formed in the outer side face, a connecting sleeve is fixed to the end, away from the sleeve rod, of the adjusting rod, and an inner threaded hole is formed in the inner side of a port of the connecting sleeve, the structural design is reasonable, the applicability and stability of the polishing device are improved, and polishing operation of different depths and parts is facilitated.

Description

Technical Field

[0001] This utility model belongs to the field of polishing tool technology, specifically relating to a polishing device for fine details of copper handicrafts. Background Technology

[0002] Copper handicrafts are widely used in decoration and collection due to their exquisite appearance, excellent material, and strong corrosion resistance. However, the production of copper handicrafts typically involves multiple processes such as casting, carving, polishing, and grinding to ensure the smoothness and fineness of the finished product's surface. The grinding process is particularly crucial when carving complex patterns or intricate details, directly affecting the final visual effect and tactile feel.

[0003] Currently, the polishing of copper crafts mainly relies on handheld polishing tools or stationary polishing machines. However, existing polishing equipment has certain limitations when processing delicate or deeply recessed areas. For example, some handheld polishing tools have a fixed length, making it difficult to adapt to polishing needs of different depths. This forces operators to constantly adjust their hand position or even change tools when dealing with complex structures, increasing the difficulty and workload. In addition, changing polishing heads often relies on threaded fixing or other complex disassembly methods, which are cumbersome and inefficient, hindering the rapid adaptation to polishing requirements of different shapes or grits. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of this utility model is to provide a polishing device for the fine details of copper handicrafts. It can improve the device's ability to adapt to different depths of polishing through an adjustable adjustment rod structure, and a convenient polishing head replacement method is designed to improve operating efficiency and ease of use, thereby better meeting the actual needs of polishing the details of copper handicrafts.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A device for polishing fine details of copper handicrafts includes an electric polisher, a sleeve rod clamped at one end of the output shaft of the electric polisher, an adjusting rod inserted at one end of the sleeve rod, and a lock fixed on the sleeve rod to lock the adjusting rod after extension and retraction adjustment; a detachable and washable polishing head is fixed at the end of the adjusting rod away from the sleeve rod.

[0007] A boss is fixed to one side of the adjusting rod near the sleeve rod, and a guide groove that mates with the boss is opened on the inner side of the sleeve rod.

[0008] Furthermore, a conical head is fixed to the end of the grinding head away from the adjusting rod, and the outer surface of the conical head is provided with evenly arranged grinding blades.

[0009] Furthermore, the other end of the grinding head is fixed with a threaded head, and a wrench groove is provided on the outer side of the grinding head.

[0010] Furthermore, the outer side of the adjusting rod is provided with multiple evenly arranged locking holes, and the end of the adjusting rod away from the sleeve rod is fixed with a connecting sleeve. The inner side of the port of the connecting sleeve is provided with an internal thread hole, and the outer side of the connecting sleeve is provided with multiple insertion holes.

[0011] Furthermore, the latch includes a spring, a locking pin fixed to the lower surface of the spring and inserted into the lock hole, a fixing plate fixed to the end of the spring facing the sleeve rod, and a pinch plate fixed to the other end of the spring. The fixing plate has a positioning hole.

[0012] Furthermore, a positioning pin that mates with the positioning hole is fixed at one end of the sleeve rod near the adjusting rod, and a fixing screw is installed on the positioning pin through the fixing plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This invention employs an adjustable adjusting rod structure. Through a sliding fit between the sleeve rod and the adjusting rod, and with a boss on the side of the adjusting rod and a guide groove matching the boss on the inner side of the sleeve rod, the adjusting rod is effectively guided during extension and retraction adjustment, while preventing rotation and ensuring operational stability. Multiple locking holes on the adjusting rod, coupled with locking pins on the spring plate, allow for precise fixing of the adjusting rod within different length ranges, meeting the needs of grinding at varying depths and improving the applicability and flexibility of the equipment.

[0015] This utility model's grinding head features a detachable structure. A threaded head is provided at one end of the grinding head, and an internal threaded hole that mates with the threaded head is provided inside the connecting sleeve, allowing for quick replacement of the grinding head to adapt to grinding requirements of different shapes or roughnesses. Multiple insertion holes are provided on the outside of the connecting sleeve, allowing for auxiliary manipulation via a metal rod, improving assembly and disassembly efficiency and reducing the tediousness of manual operation. Furthermore, the grinding head is made of high-strength cemented carbide material, and grinding blades are evenly distributed on the outer surface of the conical head, enhancing the grinding head's wear resistance and sharpness, improving grinding efficiency, and reducing damage to the surface of copper crafts.

[0016] The locking mechanism of this invention adopts a spring-loaded structure, and through the cooperation of a fixed plate, a pinch plate, and a locking pin, the locking and releasing operations of the adjusting rod are more convenient. Anti-slip textures are provided on the surface of the pinch plate to increase friction during gripping, allowing users to adjust more smoothly. The locking pin is made of high-strength alloy material and provides reliable elastic restoring force through the spring, making the locking more stable, preventing the adjusting rod from loosening during grinding, and improving the safety and reliability of the equipment.

[0017] The overall structure of this utility model is made of high-strength alloy steel, stainless steel, and aluminum alloy, with anti-corrosion and wear-resistant treatments added to key parts, improving the durability of the equipment and reducing malfunctions caused by material aging or wear during long-term use. Through optimized structural design and material selection, this device has high stability, durability, and adaptability in actual use, effectively improving the precision and efficiency of polishing copper crafts. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the grinding head of this utility model;

[0020] Figure 3 This is a schematic diagram of the adjusting rod of this utility model;

[0021] Figure 4 This is a schematic diagram of the latch of this utility model;

[0022] Figure 5 This is a schematic diagram of the sleeve of this utility model.

[0023] The attached diagram lists the components represented by each number as follows:

[0024] 1. Grinding head; 11. Tapered head; 12. Grinding blade; 13. Wrench groove; 14. Threaded head; 2. Adjusting rod; 21. Locking hole; 22. Insertion hole; 23. Connecting sleeve; 24. Internal threaded hole; 3. Locking buckle; 31. Pinch plate; 32. Spring piece; 33. Positioning hole; 34. Fixing plate; 35. Locking post; 4. Sleeve rod; 41. Fixing screw; 42. Positioning post; 43. Guide groove; 5. Electric grinder. Detailed Implementation

[0025] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0026] like Figure 1As shown, a polishing device for fine details of copper handicrafts includes an electric polisher 5. One end of the output shaft of the electric polisher 5 is fitted with a sleeve rod 4, which is made of high-strength alloy steel to improve overall rigidity and fatigue resistance. An adjusting rod 2 is inserted into one end of the sleeve rod 4. The adjusting rod 2 is made of stainless steel and precision-machined to ensure a smooth surface, thereby reducing resistance caused by friction during polishing. A locking buckle 3 is fixed on the sleeve rod 4 to lock the adjusting rod 2 after telescoping. The locking buckle 3 provides a stable locking force through a high-strength spring 32, ensuring that the adjusting rod 2 will not loosen during use. A detachable and washable polishing head 1 is fixed to the end of the adjusting rod 2 away from the sleeve rod 4. The polishing head 1 has a replaceable structure and is quickly disassembled and assembled using a high-precision threaded connection to meet different polishing needs.

[0027] like Figure 3 and Figure 5 As shown, a boss is fixed on one side of the adjusting rod 2 near the sleeve rod 4. The boss is machined by integral milling to ensure precise fit with the guide groove 43 of the sleeve rod 4. The inner side of the sleeve rod 4 is provided with a guide groove 43 that fits with the boss. The length of the guide groove 43 matches the extension range of the adjusting rod 2, and a wear-resistant coating is applied to the bottom of the groove to reduce the frictional resistance generated during the adjustment process. This ensures that the adjusting rod 2 runs smoothly when adjusting the length and effectively avoids the offset caused by the radial rotation of the adjusting rod 2.

[0028] like Figure 2 As shown, a conical head 11 is fixed at the end of the grinding head 1 away from the adjusting rod 2. The conical head 11 is made of cemented carbide material with a hardness of HRC60 or higher to improve wear resistance and extend service life. The outer surface of the conical head 11 is provided with uniformly arranged grinding blades 12. The number of grinding blades 12 is 20-30, and they are processed by laser engraving technology to make the cutting edges of the grinding blades 12 sharper, thereby improving grinding efficiency and reducing damage to the surface of the workpiece during the grinding process.

[0029] like Figure 2 As shown, the other end of the grinding head 1 is fixed with a threaded head 14. The threaded head 14 adopts the M10×1.5 standard thread to ensure the universality of installation and improve the connection stability with the connecting sleeve 23. The outer side of the grinding head 1 is provided with a wrench groove 13. The width of the wrench groove 13 is set to 6mm to adapt to common wrench specifications, so as to facilitate the user to perform disassembly and assembly operations when replacing the grinding head 1.

[0030] like Figure 3As shown, the outer side of the adjusting rod 2 has multiple evenly arranged locking holes 21, with a spacing of 5mm, to achieve precise length adjustment, allowing the adjusting rod 2 to adapt to different grinding depth requirements. A connecting sleeve 23 is fixed to the end of the adjusting rod 2 away from the sleeve rod 4. The connecting sleeve 23 is made of aluminum alloy and has undergone anodizing treatment to improve corrosion resistance and service life. An internal threaded hole 24 is opened on the inner side of the port of the connecting sleeve 23. The thread specification of the internal threaded hole 24 matches the thread head 14 to ensure connection stability. Multiple insertion holes 22 are opened on the outer side of the connecting sleeve 23. The diameter of the insertion holes 22 is set to 4mm, which are used to insert a metal rod to assist in the disassembly and assembly of the grinding head 1.

[0031] like Figure 4 As shown, the latch 3 includes a spring piece 32, which is made of 65Mn spring steel and has been hardened to improve its elastic recovery and durability. A locking pin 35, which is locked in the lock hole 21, is fixed to the lower surface of the spring piece 32. The locking pin 35 is made of high-strength alloy steel to enhance wear resistance and prevent deformation caused by long-term use. A fixing plate 34 is fixed to one end of the spring piece 32 facing the sleeve rod 4. The fixing plate 34 is made of stainless steel sheet and is fixed by precision welding to ensure stability. A pinch plate 31 is fixed to the other end of the spring piece 32. The surface of the pinch plate 31 is designed with anti-slip texture to improve grip friction and prevent fingers from slipping. A positioning hole 33 with a diameter of 5mm is provided on the fixing plate 34. The positioning hole 33 fits tightly with the positioning pin 42 to ensure the positioning stability of the latch 3.

[0032] like Figure 5 As shown, a positioning post 42 that mates with the positioning hole 33 is fixed at one end of the sleeve rod 4 near the adjusting rod 2. The positioning post 42 is made of high-strength stainless steel to enhance wear resistance and impact resistance. The positioning post 42 passes through the fixing plate 34 and is fitted with a fixing screw 41. The fixing screw 41 is an M4×8mm stainless steel screw and is coated with anti-loosening glue to prevent loosening during vibration, thereby improving the stability of the device.

[0033] The working principle of this utility model is as follows: when polishing the cylindrical crafts, the electric polisher 5 is started to drive the sleeve rod 4 and the adjusting rod 2 to rotate, thereby driving the polishing head 1 to rotate, and the rotating polishing head 1 can perform the polishing operation.

[0034] When the area to be polished is deep, the pinch plate 31 can be pulled to disengage the locking pin 35 on the spring 32 from the lock hole 21. At this time, the adjusting rod 2 can be extended. When the adjusting rod 2 is extended, the boss and the guide groove 43 are used for guidance and to prevent the adjusting rod 2 from rotating. After the adjusting rod 2 is adjusted to the appropriate length, the locking pin 35 is locked in the corresponding lock hole 21 under the elastic pressure of the spring 32, thus completing the locking and fixing after the adjusting rod 2 is adjusted.

[0035] When it is necessary to replace different grinding heads 1 in the later stage, the metal rod is inserted into the socket 22 to turn the connecting sleeve 23, and the grinding head 1 is turned in the opposite direction by using a wrench on the outside of the wrench groove 13, so as to disassemble and replace the grinding head 1, which can better meet different grinding needs.

[0036] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. A polishing device for fine details of copper handicrafts, comprising an electric polishing machine (5), characterized in that: One end of the output shaft of the electric grinder (5) is fitted with a sleeve rod (4), one end of the sleeve rod (4) is fitted with an adjusting rod (2), and a lock (3) is fixed on the sleeve rod (4) to lock the adjusting rod (2) after it has been extended and retracted. A removable and washable grinding head (1) is fixed on the end of the adjusting rod (2) away from the sleeve rod (4). The adjusting rod (2) has a boss fixed on one side near the sleeve rod (4), and the inner side of the sleeve rod (4) has a guide groove (43) that cooperates with the boss.

2. The polishing device for fine details of copper handicrafts according to claim 1, characterized in that: The grinding head (1) has a conical head (11) fixed at one end away from the adjusting rod (2), and the outer surface of the conical head (11) is provided with uniformly arranged grinding blades (12).

3. The polishing device for fine details of copper handicrafts according to claim 2, characterized in that: The other end of the grinding head (1) is fixed with a threaded head (14), and a wrench groove (13) is provided on the outer side of the grinding head (1).

4. The polishing device for fine details of copper handicrafts according to claim 3, characterized in that: The adjusting rod (2) has multiple evenly arranged locking holes (21) on its outer side, and a connecting sleeve (23) is fixed at the end of the adjusting rod (2) away from the sleeve rod (4). The connecting sleeve (23) has an internal thread hole (24) on its inner side and multiple insertion holes (22) on its outer side.

5. The polishing device for fine details of copper handicrafts according to claim 4, characterized in that: The latch (3) includes a spring piece (32), and a locking pin (35) that is locked in the lock hole (21) is fixed on the lower surface of the spring piece (32). A fixing plate (34) is fixed on one end of the spring piece (32) facing the sleeve rod (4), and a pinch plate (31) is fixed on the other end of the spring piece (32). A positioning hole (33) is provided on the fixing plate (34).

6. The polishing device for fine details of copper handicrafts according to claim 5, characterized in that: The end of the sleeve rod (4) near the adjusting rod (2) is fixed with a positioning pin (42) that mates with the positioning hole (33). The positioning pin (42) passes through the fixing plate (34) and is fitted with a fixing screw (41).

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