A high-strength all-plastic protection ring structure special for mechanical hand grabbing
Patent Information
- Application Number
- CN202521144998.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-05
- Publication Date
- 2026-09-08
- Estimated Expiration
- 2035-06-05
AI Technical Summary
[0004]本实用新型的目的是针对背景技术中存在机械手抓取物体时容易损坏物体的问题,提出一种机械手抓取专用高强度全塑保护环结构
本实用新型通过将物体放置在内层,配合机械手对外层的挤压,进而对内层挤压,将物体固定在内层中,配合设置的缓冲层与弹簧,降低机械手对物体挤压时的冲击力。
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Figure CN224725941U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of protective ring technology, and in particular to a high-strength all-plastic protective ring structure for robotic arm gripping. Background Technology
[0002] In modern industrial production, logistics warehousing, and many automated operation scenarios, robotic arms are increasingly widely used. They undertake key tasks such as handling and assembly, greatly improving production efficiency and operational accuracy. However, robotic arms often face some challenging problems when grasping objects.
[0003] Since the gripping components of robotic arms are mostly made of metal, which is hard, when gripping fragile and easily damaged workpieces, such as glass products, precision electronic components, and high-gloss plastic products, scratches and indentations are easily left on the workpiece surface due to pressure concentration or friction at the moment of contact, or even directly cause the workpiece to break, resulting in product scrap and increased production costs. Therefore, this application proposes a high-strength all-plastic protective ring structure for robotic arm gripping. Utility Model Content
[0004] The purpose of this invention is to address the problem in the prior art that robotic arms easily damage objects when grasping them, and to propose a high-strength all-plastic protective ring structure specifically for robotic arm grasping.
[0005] The technical solution of this utility model is: a high-strength all-plastic protective ring structure for robotic arm grasping, including an outer layer, and further comprising; The inner layer is detachably installed on the outer layer, and the inner layer is provided with an auxiliary mechanism for fully adhering to the object to be grasped; A connecting mechanism is provided on the inner layer to facilitate the disassembly of the inner layer.
[0006] Optionally, the auxiliary mechanism includes connecting hoses that are fixedly installed at equal intervals on the inner wall of the inner layer. Multiple connecting hoses arranged at equal intervals are fixedly installed on the connecting hoses. The connecting hoses are in communication with the anti-slip airbag, and an air pump is fixedly installed at one end of one of the connecting hoses.
[0007] Optionally, the connecting mechanism includes protrusions fixedly installed at equal intervals on the outer side of the inner layer, a buffer layer fixedly installed on one side of the inner layer, and a plurality of equally spaced grooves on the buffer layer, with the protrusions located within the grooves. Optionally, an installation cavity is provided between the buffer layer and the outer layer, and multiple springs are fixedly installed between the installation cavities.
[0008] Optionally, one end of one of the connecting hoses is fixedly installed with a connecting pipe, and one end of the connecting pipe is fixedly installed with an air pump.
[0009] Optionally, the outer layer has a thickness of 4-6 mm, the inner layer has a thickness of 3-4 mm, and an installation frame is fixedly installed at one end of the outer layer.
[0010] Optionally, the outer layer is made of thermoplastic polyurethane elastomer, and the inner layer is made of polyethylene.
[0011] Compared with the prior art, the present invention has the following beneficial technical effects: This invention fixes the object in the inner layer by placing it in the inner layer and using a robotic arm to squeeze the outer layer, which in turn squeezes the inner layer. The buffer layer and springs reduce the impact force when the robotic arm squeezes the object.
[0012] Furthermore, by activating the air pump, air is drawn into the anti-slip airbag, ensuring that the surface of the anti-slip airbag fully adheres to the workpiece, thus preventing excessive local pressure from damaging the workpiece. The connection between the protrusions and grooves also makes the replacement of the inner layer more convenient and easier to maintain.
[0013] This invention achieves full adhesion to the workpiece surface, reduces the impact force during gripping, and improves gripping stability. Attached Figure Description
[0014] Figure 1 A schematic diagram of a high-strength all-plastic protective ring structure for robotic arm grasping is provided. Figure 2 A cross-sectional schematic diagram of a high-strength all-plastic protective ring structure for robotic arm grasping is provided. Figure 3 for Figure 2 A magnified schematic diagram of the structure at point A in the middle.
[0015] Reference numerals: 1. Mounting frame; 2. Outer layer; 3. Inner layer; 4. Connecting hose; 5. Anti-slip airbag; 6. Buffer layer; 7. Connecting pipe; 8. Air pump; 9. Spring; 10. Mounting cavity; 11. Protrusion; 12. Groove. Detailed Implementation
[0016] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.
[0017] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.
[0018] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0019] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and 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 of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0020] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0022] Example
[0023] like Figure 1 , Figure 2 As shown, this utility model proposes a high-strength all-plastic protective ring structure for robotic arm grasping, including an outer layer 2 made of thermoplastic polyurethane elastomer, which has good wear resistance, oil resistance and chemical corrosion resistance, and can resist the erosion of the protective ring by the external environment, while providing a certain degree of elasticity and cushioning. It also includes an inner layer 3 made of polyethylene, which has good flexibility and friction resistance, allowing it to fully contact the object to be grasped without damaging the surface of the robotic arm. The inner layer 3 is detachably installed on the outer layer 2, and the inner layer 3 is provided with an auxiliary mechanism for the full contact of the object to be grasped.
[0024] like Figure 2 , Figure 3 As shown, the auxiliary mechanism includes anti-slip airbags 5 fixedly installed at equal intervals on the inner wall of the inner layer 3. The anti-slip airbags 5 are made of thermoplastic elastomer, combining the advantages of rubber and plastic, and have good elasticity, flexibility, and anti-slip properties. It has excellent processing performance and can be molded through injection molding, extrusion, and other methods, enabling the rapid production of anti-slip airbags of various shapes and sizes. Furthermore, TPE also has good aging resistance and weather resistance. Multiple equally spaced connecting hoses 4 are fixedly installed on the inner layer 3. Valves are installed on the connecting hoses 4 to prevent air leakage after the anti-slip airbags 5 are inflated. The connecting hoses 4 are connected to the anti-slip airbags 5. One end of one of the connecting hoses 4 is fixedly installed with an air pump 8. When an object is inside the inner layer 3 of the protective ring, the robotic arm squeezes the outer layer 2, and simultaneously starts the air pump 8, delivering air into the anti-slip airbags 5, inflating them and ensuring they fully adhere to the surface of the object to be grasped, improving grasping stability and preventing damage to the object due to excessive local pressure.
[0025] like Figure 2 , Figure 3 As shown, the connecting mechanism is located on the inner layer 3, facilitating the disassembly of the inner layer 3. The connecting mechanism includes protrusions 11 fixedly installed at equal intervals on the outer side of the inner layer 3. A buffer layer 6 is fixedly installed on one side of the inner layer 3. The buffer layer 6 is made of nitrile rubber, which has excellent oil and solvent resistance, as well as good elasticity and shock absorption performance, effectively absorbing the vibration and impact generated during the movement of the robotic arm. The buffer layer 6 has multiple equally spaced grooves 12, and the protrusions 11 are located in the grooves 12. The protrusions 11 are made of rubber. When the inner layer 3 needs to be replaced, simply pull the inner layer 3 to move the protrusions 11 out of the grooves 12. The principle of installing the inner layer 3 is the same and will not be described in detail here. like Figure 2 , Figure 3 As shown, an installation cavity 10 is provided between the buffer layer 6 and the outer layer 2. Multiple springs 9 are fixedly installed between the installation cavities 10 to reduce the impact force on the workpiece during gripping. A connecting pipe 7 is fixedly installed at one end of one of the connecting hoses 4, and an air pump 8 is fixedly installed at one end of the connecting pipe 7. The thickness of the outer layer 2 is 4-6mm, the thickness of the inner layer 3 is 3-4mm, and an installation frame 1 is fixedly installed at one end of the outer layer 2.
[0026] In this embodiment, the outer layer 2 has good wear resistance, oil resistance, and chemical corrosion resistance, which can resist the erosion of the protective ring by the external environment. At the same time, it provides a certain degree of elasticity and cushioning. The object to be grasped is placed in the inner layer 3, and the robot arm squeezes the outer layer 2. At the same time, the air pump 8 is activated to deliver air into the anti-slip airbag 5, so that the anti-slip airbag 5 is inflated and fully adheres to the surface of the object to be grasped, improving the grasping stability and avoiding damage to the object due to excessive local pressure. With the cooperation between the buffer layer 6 and the spring 9, the impact force on the workpiece during grasping can be effectively reduced. When the inner layer 3 needs to be replaced, the inner layer 3 is pulled to move the protrusion 11 out of the groove 12. The principle of installing the inner layer 3 is the same, which achieves full adhesion to the surface of the workpiece, reduces the impact force during grasping, and improves the grasping stability.
[0027] The above specific embodiments are merely several optional embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.
Claims
1. A high-strength all-plastic protective ring structure for robotic arm grasping, comprising an outer layer (2), characterized in that, Also includes; Inner layer (3), the inner layer (3) is detachably installed on the outer layer (2), and the inner layer (3) is provided with an auxiliary mechanism for fully fitting the object to be grasped; A connecting mechanism is provided on the inner layer (3) to facilitate the disassembly of the inner layer (3). The connecting mechanism includes protrusions (11) that are fixedly installed at equal intervals on the outer side of the inner layer (3). A buffer layer (6) is fixedly installed on one side of the inner layer (3). A plurality of grooves (12) are arranged at equal intervals on the buffer layer (6). The protrusions (11) are located in the grooves (12). An installation cavity (10) is provided between the buffer layer (6) and the outer layer (2). A plurality of springs (9) are fixedly installed between the installation cavities (10).
2. The high-strength all-plastic protective ring structure for robotic arm grasping according to claim 1, characterized in that, The auxiliary mechanism includes connecting hoses (4) that are fixedly installed at equal intervals on the inner wall of the inner layer (3). Multiple connecting hoses (4) are fixedly installed on the connecting hoses (4) arranged at equal intervals. The connecting hoses (4) are connected to the anti-slip airbag (5). One end of one of the connecting hoses (4) is fixedly installed with an air pump (8).
3. The high-strength all-plastic protective ring structure for robotic arm grasping according to claim 2, characterized in that, One end of one of the connecting hoses (4) is fixedly installed with a connecting pipe (7), and one end of the connecting pipe (7) is fixedly installed with an air pump (8).
4. The high-strength all-plastic protective ring structure for robotic arm grasping according to claim 1, characterized in that, The outer layer (2) has a thickness of 4-6 mm, the inner layer (3) has a thickness of 3-4 mm, and an installation frame (1) is fixedly installed at one end of the outer layer (2).
5. The high-strength all-plastic protective ring structure for robotic arm grasping according to claim 1, characterized in that, The outer layer (2) is made of thermoplastic polyurethane elastomer, and the inner layer (3) is made of polyethylene.