Electric cooker liner polishing device

Abstract

The utility model provides an electric cooker inner container polishing device, and belongs to the technical field of electric cooker production. The electric cooker liner polishing device comprises a grabbing mechanism and a polishing mechanism, the grabbing mechanism comprises a mechanical arm and a grabbing head, the grabbing head is arranged at the tail end of the mechanical arm, and the grabbing head is used for grabbing an electric cooker liner. The polishing mechanism is arranged on one side of the grabbing mechanism and comprises a plurality of polishing units, each polishing unit comprises a polishing driving structure and a polishing head, and the polishing driving structures drive the polishing heads to move. The device can achieve automatic polishing of the inner container of the electric cooker, the polishing efficiency is improved, and the polishing quality is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of electric rice cooker manufacturing technology, and in particular to a polishing device for the inner pot of an electric rice cooker. Background Technology

[0002] As a key component of IH rice cookers, the stainless steel inner pot undergoes a crucial polishing process to achieve a mirror finish. This process significantly improves the inner pot's appearance and enhances its corrosion resistance, thus extending the rice cooker's lifespan. However, in current production processes, the polishing of stainless steel inner pots primarily relies on manual grinding. While manual grinding achieves the desired polishing effect to some extent, it has several drawbacks. First, the grinding process generates a large amount of dust, which not only pollutes the working environment but also poses a serious health hazard to the workers. Long-term exposure to dust increases the risk of respiratory diseases and other occupational illnesses. Second, manual polishing is relatively inefficient, often requiring workers to spend a considerable amount of time polishing the surface of a single stainless steel inner pot. This increases production costs and reduces efficiency, putting companies at a disadvantage in market competition. Furthermore, the quality of manual polishing is inconsistent. Human factors, such as worker skill and attitude, significantly influence the quality of the polished mirror finish. Therefore, even within the same batch of stainless steel inner pots, the quality of the polished mirror finish often varies, which seriously affects the overall quality of the product and the company's brand image.

[0003] Therefore, it is necessary to improve the existing polishing process of rice cookers to overcome the shortcomings of the existing technology. Utility Model Content

[0004] To overcome the problems existing in related technologies, the purpose of this utility model is to provide a polishing device for the inner pot of a rice cooker. This device can realize automatic polishing of the inner pot of a rice cooker, improve polishing efficiency, and ensure polishing quality.

[0005] A polishing device for the inner pot of a rice cooker, comprising:

[0006] A gripping mechanism, comprising a robotic arm and a gripping head, wherein the gripping head is disposed at the end of the robotic arm and is used to grip the inner pot of a rice cooker;

[0007] A polishing mechanism is disposed on one side of the gripping mechanism. The polishing mechanism includes several polishing units, each of which includes a polishing drive structure and a polishing head. The polishing drive structure drives the polishing head to move.

[0008] The polishing device for the inner pot of the rice cooker mainly consists of two parts: a gripping mechanism and a polishing mechanism.

[0009] The gripping mechanism consists of a robotic arm and a gripping head. The gripping head, mounted at the end of the robotic arm, is designed to firmly and flexibly grip the inner pot of the rice cooker. The robotic arm then moves the gripping head to the designated position according to a preset program and path for subsequent polishing operations. A polishing mechanism is located on one side of the gripping mechanism and comprises several polishing units. Each polishing unit is an independent working unit, consisting of a polishing drive structure and a polishing head. The polishing drive structure provides power to drive the polishing head in its polishing motion. The polishing head is the part that directly contacts the inner pot of the rice cooker; its material and shape can be designed as needed to ensure optimal polishing results.

[0010] In actual operation, the gripping mechanism first firmly grasps the inner pot of the rice cooker using a robotic arm and gripping head. Then, the polishing mechanism is activated, and the polishing drive structure drives the polishing head to move along a preset trajectory and speed, performing a comprehensive polishing treatment on the inner pot of the rice cooker. Because the polishing mechanism contains multiple polishing units, it can polish the inner pot of the rice cooker simultaneously, greatly improving polishing efficiency.

[0011] In a preferred embodiment of this invention, each polishing unit further includes a support frame, the polishing drive structure is disposed on the support frame, and the polishing head is disposed at the output end of the polishing drive structure.

[0012] Each polishing unit is an independent and complete working system, consisting of a support frame, a polishing drive structure, and a polishing head. The support frame firmly supports the entire polishing unit, providing a stable support platform for the polishing drive structure and the polishing head. The polishing drive structure, mounted on the support frame, provides power to drive the polishing head through various complex polishing movements. The polishing head, located at the output end of the polishing drive structure, is the part that directly contacts the inner pot of the rice cooker. Its material and shape can be designed according to requirements to ensure optimal polishing results.

[0013] In a preferred embodiment of this utility model, the polishing mechanism includes a first polishing unit, a second polishing unit, and a third polishing unit, wherein the second polishing unit is disposed between the first polishing unit and the third polishing unit;

[0014] The polishing drive structure of the first polishing unit is provided with a first polishing head, the polishing drive structure of the second polishing unit is provided with a second polishing head, and the polishing drive structure of the third polishing unit is provided with a third polishing head. The axes of the first polishing head, the second polishing head, and the third polishing head are parallel.

[0015] The polishing mechanism is the core component of this device. In this embodiment, the polishing mechanism includes a first polishing unit, a second polishing unit, and a third polishing unit. These three polishing units are arranged in a specific order, with the second polishing unit precisely positioned between the first and third polishing units, forming a highly efficient polishing production line.

[0016] In each polishing unit, the polishing drive structure drives the polishing head to perform polishing motion. The axes of the three polishing heads are carefully designed to be parallel to ensure stability and consistency during the polishing process.

[0017] In actual operation, the gripping mechanism first uses a robotic arm and gripping head to firmly grasp the inner pot of the rice cooker and move it to the starting position of the polishing mechanism. Then, the first polishing unit starts, and the first polishing head, driven by the polishing drive structure, performs preliminary polishing of the inner pot according to preset operating parameters, removing larger surface imperfections. Next, the inner pot is moved to the second polishing unit, where the second polishing head performs further refined polishing, making the surface smoother. Finally, the inner pot enters the third polishing unit, where the third polishing head performs final mirror polishing, giving the inner pot a mirror-like finish.

[0018] In a preferred embodiment of this invention, each polishing unit further includes a dust collection hood, which covers the periphery of the polishing head. A dust collection port is provided on one side of the dust collection hood, and a dust collection device is connected to the dust collection port.

[0019] In this embodiment, the dust hood covers the polishing head, forming a relatively enclosed space. A dust suction port is provided on one side of the dust hood, which is connected to an external dust suction device through a pipe to promptly remove dust and debris generated during the polishing process.

[0020] In actual operation, the gripping mechanism first uses a robotic arm and gripping head to firmly grasp the inner pot of the rice cooker and move it to the starting position of the polishing mechanism. Then, the first polishing unit starts, the polishing head begins working, and the dust suction hood also activates, promptly removing dust and debris generated during polishing through the suction port and suction device. Next, the inner pot of the rice cooker passes through the second and third polishing units sequentially, with each unit repeating the polishing and dust suction process. Finally, after three polishing processes, the inner pot of the rice cooker achieves a mirror-like surface. Furthermore, thanks to the dust suction device, the entire polishing process maintains a clean working environment. The timely removal of dust and debris by the dust suction device reduces airborne pollutants, improves the working environment for operators, and lowers the risk of occupational diseases. The use of the dust suction hood and suction device reduces wear and tear on the polishing equipment and robotic arm caused by dust and debris, extending the service life of the equipment.

[0021] In a preferred embodiment of this invention, the roughness of the first polishing head is greater than that of the second polishing head, and the roughness of the second polishing head is greater than that of the third polishing head.

[0022] In a preferred embodiment of this invention, during the polishing process, the contact pressure between the first polishing head and the inner pot of the rice cooker is 22N-26N, the contact pressure between the second polishing head and the inner pot of the rice cooker is 18N-22N, and the contact pressure between the third polishing head and the inner pot of the rice cooker is 16N-18N.

[0023] In practical applications, the roughness of the three polishing heads is designed to be different levels: the first polishing head has the largest roughness and is used to initially remove larger imperfections on the surface of the rice cooker inner pot; the second polishing head has a moderate roughness and is used to further refine the polishing to make the surface smoother; the third polishing head has the smallest roughness and is used for the final mirror polishing process to achieve an extremely high degree of smoothness on the surface of the rice cooker inner pot.

[0024] Furthermore, during the polishing process, this device precisely controls the contact pressure between the polishing head and the inner pot of the rice cooker. Specifically, the contact pressure between the first polishing head and the inner pot is controlled within the range of 22N-26N to ensure effective removal of surface imperfections; the contact pressure between the second polishing head and the inner pot is controlled within the range of 18N-22N to avoid damaging the already refined surface; and the contact pressure between the third polishing head and the inner pot is controlled within the range of 16N-18N to ensure a uniform and delicate final mirror polishing effect.

[0025] In actual operation, the gripping mechanism first securely picks up the inner pot of the rice cooker using a robotic arm and gripping head, and moves it to the starting position of the polishing mechanism. Then, the first polishing unit starts, and the first polishing head performs a preliminary polishing treatment on the inner pot using appropriate contact pressure. Next, the inner pot passes through the second and third polishing units sequentially, each polishing unit performing the treatment according to a preset roughness and contact pressure. Finally, after three polishing processes, the inner pot achieves an extremely high level of smoothness and aesthetic appeal.

[0026] In a preferred embodiment of this invention, the gripping head includes an expansion structure and a rotation drive structure. The rotation drive structure includes a drive motor and a transmission assembly. A connecting flange is provided on one side of the transmission assembly, and the connecting flange is fixedly connected to the end of the robotic arm. The drive motor is located on one side of the transmission assembly, and the transmission assembly is provided with a transmission input end and a transmission output end. The output end of the drive motor is connected to the transmission input end, and the transmission output end is connected to the expansion structure.

[0027] In a preferred embodiment of this invention, the expansion structure includes an expansion cylinder, on which a plurality of expansion blocks are provided, and the expansion blocks are capable of moving radially along the expansion cylinder.

[0028] In a preferred embodiment of this utility model, the transmission assembly is further provided with a quick-release connector, one end of which is connected to the expansion cylinder and the other end is connected to an external air supply device via an air pipe.

[0029] The trachea is attached to the robotic arm.

[0030] The drive motor is located on one side of the transmission assembly, and its output is connected to the transmission input end, transmitting the motor's rotational power to the transmission assembly. The transmission output end is connected to the expansion structure, driving the expansion structure to rotate, thereby rotating the inner pot of the rice cooker and polishing different areas of the inner pot.

[0031] The expansion structure is the core component of the gripping head, comprising an expansion cylinder and several expansion blocks. The expansion cylinder has radially distributed expansion blocks that can move radially under the action of the cylinder, achieving a stable grip on the inner pot of the rice cooker. When the expansion cylinder is inflated, the expansion blocks move outward, tightly adhering to the inner wall of the rice cooker's inner pot, thus achieving a stable grip. When the expansion cylinder deflates, the expansion blocks move inward, releasing the gripping force on the inner pot, facilitating its removal or movement to the next workstation.

[0032] In addition, a quick-release connector is provided on the transmission assembly to facilitate air supply control of the expansion cylinder. One end of the quick-release connector connects to the expansion cylinder, and the other end connects to an external air supply device via an air hose. The air hose is cleverly secured to the robotic arm, ensuring its stability while preventing tangling and interference. This quick-release connector and air hose design enables rapid and convenient air supply to the expansion cylinder, improving work efficiency and operational flexibility.

[0033] The polishing mechanism is responsible for polishing the gripped inner pot of the rice cooker. It includes a first polishing unit, a second polishing unit, and a third polishing unit. Each polishing unit contains a polishing drive structure, a polishing head, and a dust suction hood. By using polishing heads with different roughness and precisely controlled contact pressure, a fine polishing process is achieved on the surface of the inner pot of the rice cooker.

[0034] In actual operation, the robotic arm first drives the gripper head to move above the inner pot of the rice cooker. Then, the expansion cylinder inflates, and the expansion block moves outward and fits tightly against the inner wall of the rice cooker, achieving a stable grip. Next, the robotic arm moves the inner pot to the starting position of the polishing mechanism and starts the polishing unit for polishing. During polishing, the rotation drive structure drives the gripper head and the inner pot to rotate, allowing the polishing head to evenly treat all surfaces of the inner pot. After polishing, the expansion cylinder deflates, the expansion block moves inward and releases the gripping force on the inner pot, and the robotic arm moves the inner pot to the next station or lowers it.

[0035] In a preferred embodiment of this invention, a control console is also included. The control console is provided with a feeding position for placing the inner liner, and a controller is provided on the control console. The controller is electrically connected to the gripping mechanism and the polishing mechanism.

[0036] The control console is the central part of the system. It features a loading position for the rice cooker inner pot, designed with a groove that matches the shape of the inner pot to ensure it sits securely and prevents slippage or falling during automated processing. The console is also equipped with an advanced controller, the "brain" of the entire system. Through electrical connections with key components such as the gripping and polishing mechanisms, it achieves centralized control and coordination of the entire system. Even better, the controller can preset the movement trajectory of the robotic arm, allowing it to drive the rice cooker inner pot along the pre-set path for automatic polishing.

[0037] The beneficial effects of this utility model are as follows:

[0038] This utility model provides a polishing device for the inner pot of a rice cooker. The device includes a gripping mechanism and a polishing mechanism. The gripping mechanism comprises a robotic arm and a gripping head, which is located at the end of the robotic arm and used to grip the inner pot of the rice cooker. The polishing mechanism is located on one side of the gripping mechanism and includes several polishing units. Each polishing unit includes a polishing drive structure and a polishing head, which drives the polishing head to move. In actual operation, the gripping mechanism first firmly grips the inner pot of the rice cooker using the robotic arm and gripping head. Then, the polishing mechanism starts, and the polishing drive structure drives the polishing head to move at a certain speed to polish the inner pot. During polishing, the robotic arm moves along a preset trajectory, ensuring that the inside of the rice cooker is thoroughly polished. Because the polishing mechanism includes multiple polishing units, it can polish the inner pot to different degrees, significantly shortening the polishing time and greatly improving polishing quality and efficiency. The entire polishing process is automatically completed by the robotic arm and polishing mechanism without human intervention, greatly improving the automation level of production and reducing labor costs. In addition, the device can be adjusted according to the shape and size of different rice cooker inner pots to meet the polishing needs of different models of rice cooker inner pots, and has strong adaptability. Attached Figure Description

[0039] Figure 1 This is a first perspective view of the rice cooker inner pot polishing device provided in an embodiment of this utility model;

[0040] Figure 2 This is a second perspective view of the rice cooker inner pot polishing device provided in an embodiment of this utility model;

[0041] Figure 3 This is a first perspective view of the gripping mechanism provided in an embodiment of the present utility model;

[0042] Figure 4 This is a second perspective view of the gripping mechanism provided in an embodiment of the present utility model;

[0043] Figure 5 yes Figure 4 A magnified view of a portion of point A in the middle.

[0044] Figure label:

[0045] 1. Gripping mechanism; 11. Robotic arm; 12. Gripping head; 121. Drive motor; 122. Quick-release connector; 123. Transmission assembly; 124. Expansion cylinder; 125. Connecting flange; 1241. Expansion block; 2. Polishing mechanism; 21. First polishing unit; 22. First polishing head; 23. Second polishing unit; 24. Second polishing head; 25. Third polishing unit; 26. Third polishing head; 27. Dust hood; 28. Support frame; 3. Control console; 31. Loading position; 32. Controller. Detailed Implementation

[0046] Preferred embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present invention will be thorough and complete, and will fully convey the scope of the present invention to those skilled in the art.

[0047] As a key component of IH rice cookers, the stainless steel inner pot undergoes a crucial polishing process to achieve a mirror finish. This process significantly improves the inner pot's appearance and enhances its corrosion resistance, thus extending the rice cooker's lifespan. However, in current production processes, the polishing of stainless steel inner pots primarily relies on manual grinding. While manual grinding achieves the desired polishing effect to some extent, it has several drawbacks. First, the grinding process generates a large amount of dust, which not only pollutes the working environment but also poses a serious health hazard to the workers. Long-term exposure to dust increases the risk of respiratory diseases and other occupational illnesses. Second, manual polishing is relatively inefficient, often requiring workers to spend a considerable amount of time polishing the surface of a single stainless steel inner pot. This increases production costs and reduces efficiency, putting companies at a disadvantage in market competition. Furthermore, the quality of manual polishing is inconsistent. Human factors, such as worker skill and attitude, significantly influence the quality of the polished mirror finish. Therefore, even within the same batch of stainless steel inner pots, the quality of the polished mirror finish often varies, which seriously affects the overall quality of the product and the company's brand image.

[0048] Based on this, this application provides a polishing device for the inner pot of a rice cooker.

[0049] Example 1

[0050] like Figures 1-5 As shown, this embodiment provides a polishing device for the inner pot of a rice cooker, comprising:

[0051] The gripping mechanism 1 includes a robotic arm 11 and a gripping head 12. The gripping head 12 is disposed at the end of the robotic arm 11 and is used to grip the inner pot of a rice cooker.

[0052] Polishing mechanism 2 is disposed on one side of gripping mechanism 1. Polishing mechanism 2 includes several polishing units. Each polishing unit includes a polishing drive structure and a polishing head. The polishing drive structure drives the polishing head to move.

[0053] The polishing device for the inner pot of the rice cooker mainly consists of two parts: a gripping mechanism 1 and a polishing mechanism 2.

[0054] The gripping mechanism 1 consists of a robotic arm 11 and a gripping head 12. The gripping head 12 is mounted at the end of the robotic arm 11 and is designed to grip the inner pot of the rice cooker firmly and flexibly. The robotic arm 11 is responsible for moving the gripping head 12 to a designated position according to a preset program and path for subsequent polishing operations. The polishing mechanism 2 is located on one side of the gripping mechanism 1 and contains several polishing units. Each polishing unit is an independent working unit, consisting of a polishing drive structure and a polishing head. The polishing drive structure provides power to drive the polishing head to perform polishing movements. The polishing head is the part that directly contacts the inner pot of the rice cooker, and its material and shape can be designed as needed to ensure optimal polishing results.

[0055] In actual operation, the gripping mechanism 1 first firmly grasps the inner pot of the rice cooker using the robotic arm 11 and gripping head 12. Then, the polishing mechanism 2 is activated, and the polishing drive structure drives the polishing head to move along a preset trajectory and speed, performing a comprehensive polishing process on the inner pot of the rice cooker. Since the polishing mechanism 2 contains multiple polishing units, it can polish the inner pot of the rice cooker simultaneously, greatly improving polishing efficiency.

[0056] Example 2

[0057] This embodiment is an improvement on embodiment 1.

[0058] like Figures 1-5 As shown, in this embodiment, each polishing unit further includes a support frame 28, the polishing drive structure is disposed on the support frame 28, and the polishing head is disposed at the output end of the polishing drive structure.

[0059] Each polishing unit is an independent and complete working system, consisting of a support frame 28, a polishing drive structure, and a polishing head. The support frame 28 firmly supports the entire polishing unit, providing a stable support platform for the polishing drive structure and the polishing head. The polishing drive structure is mounted on the support frame 28 and is responsible for providing power to drive the polishing head to perform various complex polishing movements. The polishing head is located at the output end of the polishing drive structure and is the part that directly contacts the inner pot of the rice cooker. Its material and shape can be designed as needed to ensure optimal polishing results.

[0060] In a preferred embodiment of this invention, each polishing unit further includes a dust collection hood 27, which covers the periphery of the polishing head. A dust collection port is provided on one side of the dust collection hood 27, and a dust collection device is connected to the dust collection port.

[0061] In this embodiment, the dust hood 27 covers the outer perimeter of the polishing head, forming a relatively enclosed space. A dust suction port is provided on one side of the dust hood 27, which is connected to an external dust suction device through a pipe to promptly remove dust and debris generated during the polishing process.

[0062] In actual operation, the gripping mechanism 1 first firmly grasps the inner pot of the rice cooker using the robotic arm 11 and gripping head 12, and moves it to the starting position of the polishing mechanism 2. Then, the first polishing unit 21 is activated, the polishing head begins working, and the dust suction hood 27 is also activated, promptly removing the dust and debris generated during polishing through the suction port and suction device. Next, the inner pot of the rice cooker passes through the second polishing unit 23 and the third polishing unit 25 in sequence, with each polishing unit repeating the above polishing and dust suction process. Finally, after three polishing processes, the inner pot of the rice cooker achieves a mirror-like surface, and thanks to the dust suction device, the entire polishing process maintains a clean working environment. The timely removal of dust and debris by the dust suction device reduces airborne pollutants, improves the working environment for operators, and reduces the risk of occupational diseases. The use of the dust suction hood 27 and the dust suction device reduces wear and tear on the polishing equipment and robotic arm 11 caused by dust and debris, extending the service life of the equipment.

[0063] Example 3

[0064] This embodiment is an improvement on embodiment 2.

[0065] like Figures 1-5 As shown, in this embodiment, the polishing mechanism 2 includes a first polishing unit 21, a second polishing unit 23, and a third polishing unit 25, with the second polishing unit 23 disposed between the first polishing unit 21 and the third polishing unit 25;

[0066] The polishing drive structure of the first polishing unit 21 is provided with a first polishing head 22, the polishing drive structure of the second polishing unit 23 is provided with a second polishing head 24, and the polishing drive structure of the third polishing unit 25 is provided with a third polishing head 26. The axes of the first polishing head 22, the second polishing head 24, and the third polishing head 26 are parallel.

[0067] The polishing mechanism 2 is the core part of this device. In this embodiment, the polishing mechanism 2 includes a first polishing unit 21, a second polishing unit 23, and a third polishing unit 25. These three polishing units are arranged in a specific order, with the second polishing unit 23 located between the first polishing unit 21 and the third polishing unit 25, forming a highly efficient polishing production line.

[0068] In each polishing unit, the polishing drive structure drives the polishing head to perform polishing motion. The axes of the three polishing heads are carefully designed to be parallel to ensure stability and consistency during the polishing process.

[0069] In actual operation, the gripping mechanism 1 first securely grasps the inner pot of the rice cooker using the robotic arm 11 and gripping head 12, and moves it to the starting position of the polishing mechanism 2. Then, the first polishing unit 21 is activated, and the first polishing head 22, driven by the polishing drive structure, performs preliminary polishing on the inner pot according to preset operating parameters, removing larger surface imperfections. Next, the inner pot is moved to the second polishing unit 23, where the second polishing head 24 performs further refined polishing, making the surface smoother. Finally, the inner pot enters the third polishing unit 25, where the third polishing head 26 performs the final mirror polishing treatment, giving the inner pot a mirror-like finish.

[0070] In this embodiment, the roughness of the first polishing head 22 is greater than the roughness of the second polishing head 24, and the roughness of the second polishing head 24 is greater than the roughness of the third polishing head 26.

[0071] In this embodiment, during the polishing process, the contact pressure between the first polishing head 22 and the inner pot of the rice cooker is 22N-26N, the contact pressure between the second polishing head 24 and the inner pot of the rice cooker is 18N-22N, and the contact pressure between the third polishing head 26 and the inner pot of the rice cooker is 16N-18N.

[0072] In practical applications, the three polishing heads are designed with different roughness levels: the first polishing head 22 has the highest roughness and is used to initially remove larger imperfections from the surface of the rice cooker's inner pot; the second polishing head 24 has a moderate roughness and is used for further refining the polishing to make the surface smoother; the third polishing head 26 has the lowest roughness and is used for the final mirror polishing process, giving the rice cooker's inner pot an extremely high degree of smoothness. More specifically, the first polishing head 22 is a polishing sisal wheel, the second polishing head 24 is a polishing cloth wheel, and the third polishing head 26 is a polishing cotton wheel.

[0073] Furthermore, during the polishing process, this device precisely controls the contact pressure between the polishing head and the inner pot of the rice cooker. Specifically, the contact pressure between the first polishing head 22 and the inner pot is controlled within the range of 22N-26N to ensure effective removal of surface imperfections; the contact pressure between the second polishing head 24 and the inner pot is controlled within the range of 18N-22N to avoid damaging the already refined surface; and the contact pressure between the third polishing head 26 and the inner pot is controlled within the range of 16N-18N to ensure a uniform and delicate final mirror polishing effect. During the polishing process, the robotic arm 11 controls the feed rate to achieve polishing operations at different locations within the inner pot.

[0074] In actual operation, the gripping mechanism 1 first firmly grasps the inner pot of the rice cooker using the robotic arm 11 and gripping head 12, and moves it to the starting position of the polishing mechanism 2. Then, the first polishing unit 21 is activated, and the first polishing head 22 performs preliminary polishing on the inner pot of the rice cooker with appropriate contact pressure. Next, the inner pot of the rice cooker passes through the second polishing unit 23 and the third polishing unit 25 in sequence, with each polishing unit performing polishing according to a preset roughness and contact pressure. Finally, after three polishing processes, the surface of the inner pot of the rice cooker achieves extremely high smoothness and aesthetics.

[0075] Example 4

[0076] This embodiment provides a specific implementation of the gripper head 12.

[0077] like Figures 1-5 As shown, in this embodiment, the gripping head 12 includes an expansion structure and a rotation drive structure. The rotation drive structure includes a drive motor 121 and a transmission assembly 123. A connecting flange 125 is provided on one side of the transmission assembly 123, and the connecting flange 125 is fixedly connected to the end of the robotic arm 11. The drive motor 121 is provided on one side of the transmission assembly 123. The transmission assembly 123 is provided with a transmission input end and a transmission output end. The output end of the drive motor 121 is connected to the transmission input end, and the transmission output end is connected to the expansion structure.

[0078] In this embodiment, the expansion structure includes an expansion cylinder 124, and a plurality of expansion blocks 1241 are provided on the expansion cylinder 124. The expansion blocks 1241 are capable of moving radially along the expansion cylinder 124.

[0079] In this embodiment, the transmission assembly 123 is also provided with a quick-release connector 122, one end of which is connected to the cylinder and the other end is connected to an external air supply device through an air pipe;

[0080] The trachea is snapped onto the robotic arm 11. The robotic arm 11 is provided with a snap-fit ​​position for snapping onto the trachea, thereby enabling the trachea to be routed smoothly.

[0081] The drive motor 121 is located on one side of the transmission assembly 123. It is connected to the output end of the drive motor 121 through the transmission input end, transmitting the rotational power of the motor to the transmission assembly 123. The transmission output end is connected to the expansion structure, driving the expansion structure to rotate, thereby rotating the inner pot of the rice cooker and polishing different positions of the inner pot.

[0082] The expansion structure is the core component of the gripping head 12, comprising an expansion cylinder 124 and several expansion blocks 1241. The expansion cylinder 124 has several radially distributed expansion blocks 1241, which can move radially under the action of the expansion cylinder 124 to achieve a stable grip on the inner pot of the rice cooker. When the expansion cylinder 124 is inflated, the expansion blocks 1241 move outward, tightly adhering to the inner wall of the rice cooker's inner pot, thus achieving a stable grip. When the expansion cylinder 124 is deflated, the expansion blocks 1241 move inward, releasing the gripping force on the inner pot, facilitating its removal or movement to the next workstation.

[0083] In addition, to facilitate air supply control of the expansion cylinder 124, a quick-release connector 122 is provided on the transmission assembly 123. One end of the quick-release connector 122 is connected to the expansion cylinder 124, and the other end is connected to an external air supply device via an air pipe. The air pipe is cleverly secured to the robotic arm 11, ensuring the stability of the air pipe while avoiding tangling and interference. Through the design of the quick-release connector 122 and the air pipe, rapid and convenient air supply to the expansion cylinder 124 can be achieved, improving work efficiency and operational flexibility.

[0084] In actual operation, the robotic arm 11 first drives the gripping head 12 to move above the inner pot of the rice cooker. Then, the expansion cylinder 124 is inflated, and the expansion block 1241 moves outward and fits tightly against the inner wall of the rice cooker inner pot, achieving a stable grip. Next, the robotic arm 11 moves the rice cooker inner pot to the starting position of the polishing mechanism 2 and starts the polishing unit for polishing. During polishing, the rotation drive structure drives the gripping head 12 and the rice cooker inner pot to rotate, so that the polishing head can evenly treat all surfaces of the inner pot. After polishing is completed, the expansion cylinder 124 is deflated, the expansion block 1241 moves inward and releases the gripping force on the rice cooker inner pot, and the robotic arm 11 moves the inner pot to the next station or puts it down.

[0085] Example 5

[0086] This embodiment is an improvement on embodiment 1.

[0087] like Figures 1-5 As shown, in this embodiment, a control console 3 is also included. The control console 3 is provided with a loading position 31 for placing the inner liner. The control console 3 is provided with a controller 32, which is electrically connected to the gripping mechanism 1 and the polishing mechanism 2.

[0088] The control console 3 is the central part of the system. It features a loading position 31 for placing the rice cooker inner pot. This loading position 31 is designed with a groove that matches the shape of the inner pot, ensuring it sits securely and preventing slippage or falling during automated processing. The control console 3 is also equipped with an advanced controller 32, which acts as the "brain" of the entire system. Through electrical connections with key components such as the gripping mechanism 1 and the polishing mechanism 2, it achieves centralized control and coordination of the entire system. More preferably, the controller 32 can preset the movement trajectory of the robotic arm 11, causing it to drive the inner pot of the rice cooker along the preset trajectory, thus achieving automatic polishing of the inner pot.

[0089] In practical applications, the preset trajectory is to first polish the side surface of the inner liner, then the curved surface of the inner liner, and finally the bottom surface of the inner liner.

[0090] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings. In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0091] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0092] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, these terms have no special meaning and therefore should not be construed as limiting the scope of protection of this application. The above description is only a preferred embodiment of this utility model and is not intended to limit this utility model. For those skilled in the art, this utility model can have various modifications and variations. 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 polishing device for the inner pot of a rice cooker, characterized in that, include: The gripping mechanism (1) includes a robotic arm (11) and a gripping head (12). The gripping head (12) is located at the end of the robotic arm (11) and is used to grip the inner pot of a rice cooker. Polishing mechanism (2) is disposed on one side of gripping mechanism (1). Polishing mechanism (2) includes several polishing units. Each polishing unit includes a polishing drive structure and a polishing head. The polishing drive structure drives the polishing head to move.

2. The rice cooker inner pot polishing device according to claim 1, characterized in that: Each of the polishing units further includes a support frame (28), the polishing drive structure is disposed on the support frame (28), and the polishing head is disposed at the output end of the polishing drive structure.

3. The rice cooker inner pot polishing device according to claim 1, characterized in that: The polishing mechanism (2) includes a first polishing unit (21), a second polishing unit (23), and a third polishing unit (25), wherein the second polishing unit (23) is disposed between the first polishing unit (21) and the third polishing unit (25); The polishing drive structure of the first polishing unit (21) is provided with a first polishing head (22), the polishing drive structure of the second polishing unit (23) is provided with a second polishing head (24), and the polishing drive structure of the third polishing unit (25) is provided with a third polishing head (26). The axes of the first polishing head (22), the second polishing head (24), and the third polishing head (26) are parallel.

4. The rice cooker inner pot polishing device according to any one of claims 1-3, characterized in that: Each of the polishing units also includes a dust hood (27) that covers the periphery of the polishing head. A dust suction port is provided on one side of the dust hood (27), and a dust suction device is connected to the dust suction port.

5. A polishing device for the inner pot of a rice cooker according to claim 3, characterized in that: The roughness of the first polishing head (22) is greater than that of the second polishing head (24), and the roughness of the second polishing head (24) is greater than that of the third polishing head (26).

6. A polishing device for the inner pot of a rice cooker according to claim 5, characterized in that: During the polishing process, the contact pressure between the first polishing head (22) and the inner pot of the rice cooker is 22N-26N, the contact pressure between the second polishing head (24) and the inner pot of the rice cooker is 18N-22N, and the contact pressure between the third polishing head (26) and the inner pot of the rice cooker is 16N-18N.

7. A polishing device for the inner pot of a rice cooker according to any one of claims 1-3, characterized in that: The gripping head (12) includes an expansion structure and a rotation drive structure. The rotation drive structure includes a drive motor (121) and a transmission assembly (123). A connecting flange (125) is provided on one side of the transmission assembly (123). The connecting flange (125) is fixedly connected to the end of the robotic arm (11). The drive motor (121) is located on one side of the transmission assembly (123). The transmission assembly (123) is provided with a transmission input end and a transmission output end. The output end of the drive motor (121) is connected to the transmission input end, and the transmission output end is connected to the expansion structure.

8. A polishing device for the inner pot of a rice cooker according to claim 7, characterized in that: The expansion structure includes an expansion cylinder (124), on which a plurality of expansion blocks (1241) are provided, and the expansion blocks (1241) are capable of moving radially along the expansion cylinder (124).

9. A polishing device for the inner pot of a rice cooker according to claim 8, characterized in that: The transmission assembly (123) is also provided with a quick-release connector (122), one end of which is connected to the expansion cylinder (124), and the other end is connected to an external air supply device through an air pipe; The trachea is attached to the robotic arm (11).

10. The rice cooker inner pot polishing device according to any one of claims 1-3 or 8-9, characterized in that: It also includes a control console (3), which is provided with a loading position (31) for placing the inner liner, and a controller (32) is provided on the control console (3), which is electrically connected to the gripping mechanism (1) and the polishing mechanism (2).

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