Positioning components and positioning fixtures

Abstract

This application relates to the field of clamping equipment and provides a positioning component and positioning fixture. The positioning component includes a carrier and a positioning component. The carrier has a receiving groove for receiving a part to be positioned. The positioning component has multiple first positioning surfaces with different contours for positioning the part to be positioned. The positioning component is disposed on the carrier and can adjust its orientation relative to the receiving groove so that each first positioning surface can position a part with a corresponding contour. The positioning component is detachably mounted on the carrier and can be mounted on the carrier at various assembly stations to adjust its orientation relative to the receiving groove. This structural design enables a single positioning component to adapt to multiple parts of the same series with differences in contour, size, and local structure, thereby effectively improving the compatibility and adaptability of the positioning component and shortening the time required to switch between different parts to be positioned.

Description

Technical Field

[0001] This application belongs to the field of clamping equipment, and more specifically, relates to a positioning component and positioning fixture. Background Technology

[0002] In related technologies, positioning components are used to achieve precise product positioning, thereby ensuring positioning accuracy and production efficiency in production operations. Most positioning components adopt a design approach where one set of components corresponds to one product; that is, a dedicated positioning component is designed and manufactured based on the contour shape of a specific product.

[0003] When products in the same series have different styles, such as differences in external dimensions or different local structural features, it is necessary to design and manufacture special positioning components for each product, resulting in poor compatibility and adaptability of the positioning components. Summary of the Invention

[0004] The purpose of this application is to provide a positioning component and positioning fixture, which aims to solve the technical problem of poor compatibility and adaptability of positioning components in related technologies.

[0005] To achieve the above objectives, according to one aspect of this application, a positioning component is provided, including a carrier and a positioning member. The carrier has a receiving groove for receiving a component to be positioned. The positioning member has multiple first positioning surfaces with different contours for positioning the component to be positioned. The positioning member is disposed on the carrier and can adjust its orientation relative to the receiving groove so that each first positioning surface can position a component with a corresponding contour. The positioning member is detachably mounted on the carrier and can be mounted on the carrier at various assembly stations to adjust the orientation of the positioning member relative to the receiving groove.

[0006] Optionally, one of the positioning member and the bearing member is provided with a plugging protrusion, and the other is provided with a plugging recess; the plugging protrusion and the plugging recess are engaged in a plugging and pulling fit; after the plugging protrusion is inserted into the plugging recess, the inner wall of the plugging recess can restrict the rotation of the plugging protrusion relative to the inner wall of the plugging recess.

[0007] Optionally, the insertion protrusion has multiple stop surfaces distributed sequentially along its circumference, and a transition section is provided between two adjacent stop surfaces. The stop surfaces cooperate with the circumferential stop of the inner wall of the insertion recess to restrict the rotation of the insertion protrusion relative to the inner wall of the insertion recess.

[0008] Optionally, the positioning element includes a positioning body and a plug-in protrusion, with the positioning body disposed on the plug-in protrusion; multiple first positioning surfaces with different contours are disposed on the outer peripheral wall of the positioning body along the circumferential direction of the positioning body, and the multiple first positioning surfaces correspond one-to-one with multiple stop surfaces in the circumferential position.

[0009] Optionally, the positioning member is provided with a first magnetic attraction part, and the bearing member is provided with a second magnetic attraction part, and the first magnetic attraction part and the second magnetic attraction part are magnetically attracted to each other.

[0010] Optionally, the first positioning surface is a positioning curved surface; and / or, the inner wall of the receiving groove is provided with a second positioning surface, the second positioning surface being a positioning curved surface; along the second direction, the second positioning surface and the first positioning surface are respectively disposed on opposite sides of the receiving groove, the second direction being perpendicular to the third direction, and the third direction being parallel to the extension direction of the receiving groove.

[0011] Optionally, the positioning component further includes a first limiting member, which is disposed on the carrier and has a first limiting state and a first avoidance state. When in the first limiting state, the first limiting member restricts the movement of the part to be positioned in the receiving groove along a first direction, which is perpendicular to a third direction and parallel to the extension direction of the receiving groove. When in the first avoidance state, the first limiting member releases the limiting constraint on the part to be positioned along the first direction.

[0012] Optionally, the positioning component further includes a second limiting member, which is disposed on the carrier and has a second limiting state and a second avoidance state. When in the second limiting state, the second limiting member restricts the movement of the part to be positioned in the receiving groove along a second direction, which intersects with the first direction and is perpendicular to the third direction. When in the second avoidance state, the second limiting member releases the limiting constraint on the part to be positioned along the second direction.

[0013] Optionally, at least two first limiting members are provided. Along the first direction, two of the multiple first limiting members are respectively disposed on opposite sides of the receiving groove. The first limiting members are rotatably disposed on the bearing member to switch between a first limiting state and a first clearance state. A first elastic reset member is provided between each first limiting member and the bearing member. The first elastic reset member is used to apply an elastic force to the first limiting member to keep the first limiting member in the first limiting state. Along the first direction, the elastic forces applied by the first elastic reset members corresponding to the two first limiting members disposed on opposite sides of the receiving groove are of different magnitudes, so that the limiting forces provided by the two first limiting members are of different magnitudes. Alternatively, at least two second limiting members are provided. Along the second direction, two of the multiple second limiting members are respectively disposed on opposite sides of the receiving groove. The second limiting members are rotatably disposed on the bearing member to switch between a second limiting state and a second clearance state. A second elastic reset member is provided between each second limiting member and the bearing member. The second elastic reset member is used to apply an elastic force to the second limiting member so that the second limiting member is held in the second limiting state. Along the second direction, the elastic forces applied by the second elastic reset members corresponding to the two second limiting members disposed on opposite sides of the receiving groove are of different magnitudes, so that the limiting forces provided by the two second limiting members are of different magnitudes.

[0014] According to another aspect of this application, a positioning fixture is provided, including a mounting base and the aforementioned positioning components, wherein a carrier is detachably mounted on the mounting base.

[0015] Optionally, the positioning fixture also includes a pressure-holding component, which is installed on either the carrier or the mounting base at the same time; when the pressure-holding component is in the pressure-holding condition, it is installed on the carrier and is used to hold pressure on the part to be positioned in the receiving groove, and the pressure-holding component can be separated from the carrier; when the pressure-holding component is in the non-pressure-holding condition, it is installed on the mounting base and can be separated from the mounting base; and / or, the mounting base is provided with at least one of an electronic marking structure, a magnetic structure, a positioning structure, a gripping structure, and a stacking structure.

[0016] The beneficial effects of the positioning component provided in this application are as follows: In this application, multiple first positioning surfaces with different contours are set by the positioning component, and the positioning component can adjust its position relative to the receiving groove. This enables a set of positioning components to adapt to multiple parts of the same series that have different contours, sizes, and local structures, thereby effectively improving the compatibility and adaptability of the positioning component and shortening the time required for the positioning component to switch between different parts to be positioned, which helps to improve the utilization rate of the production line.

[0017] Meanwhile, the above design eliminates the need to separately mold and process a complete set of positioning components for each part to be positioned, reducing the number of positioning components and lowering the design, processing, and storage costs of positioning components. On the other hand, it effectively broadens the applicable scenarios of positioning components, eliminating the need for frequent disassembly and replacement of the entire set of positioning components, which helps maintain production rhythm and ensure production efficiency.

[0018] In addition, the accommodating groove restricts the shaking of the part to be positioned, and can accommodate and pre-position the part to be positioned. Together with the first positioning surface of the positioning element, it completes the limiting constraint of the part to be positioned, ensuring the smooth progress of subsequent operations.

[0019] The positioning components are detachable and assembleable. On the one hand, this facilitates switching between various assembly stations for the positioning components, thereby changing the orientation of the positioning components relative to the receiving groove, so that different first positioning surfaces can be aligned with different parts to be positioned, thus realizing the positioning switching of different parts to be positioned.

[0020] On the other hand, it also facilitates the complete removal and replacement of the positioning component from the carrier component, enabling the positioning of different parts to be positioned simply by replacing the positioning component, without needing to replace the carrier component, further reducing development and manufacturing costs. Furthermore, it facilitates the complete removal and maintenance of the positioning component from the carrier component, improving the convenience of maintenance operations and extending the overall service life of the positioning assembly. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the positioning tooling provided in the embodiments of this application from a first-view perspective; Figure 2 This is a schematic diagram of the positioning component provided in the embodiments of this application from a second perspective; Figure 3 This is a schematic diagram of the positioning component provided in an embodiment of this application from a third-person perspective; Figure 4 A partially exploded view of the positioning component provided in the embodiments of this application after concealing the first limiting member, the first elastic reset member, the second limiting member, the second elastic reset member, and the mating member; Figure 5 This is a schematic diagram of the positioning element provided in the embodiments of this application; Figure 6 This is a front view of the positioning member provided in the embodiment of this application after the first magnetic suction part is hidden; Figure 7 for Figure 6 Schematic diagram of the cross section at point BB; Figure 8 This is a partial exploded view of the positioning component provided in an embodiment of this application; Figure 9 A schematic diagram of the positioning tooling provided in the embodiments of this application from a fourth-view perspective; Figure 10 A simplified schematic diagram illustrating the engagement of two connecting hooks, two third elastic reset members, and two mating members provided in the embodiments of this application; Figure 11 for Figure 1 Enlarged view of point A in the middle; The details of the reference numerals used in the above figures are as follows: 100. Positioning component; 110. Bearing member; 111. Bearing body; 1111. Receiving groove; 1112. Second positioning surface; 1113. Mounting groove; 1114. First receiving space; 1115. Second receiving space; 112. Molded body; 1121. Insertion recess; 120. Positioning component; 121. Positioning body; 1211. First positioning surface; 1212. Connecting groove; 1213. First locking hole; 122. Insertion protrusion; 1221. Stop surface; 1222. Transition section; 1223. Connecting boss; 1224. Second locking hole; 123. Locking part; 124. First magnetic attraction part; 130. First limiting member; 131. First limiting protrusion; 140. First elastic reset member; 150. Second limiting member; 151. Second limiting protrusion; 160. Second elastic reset member; 200. Mounting base; 210. Electronic tagging structure; 220. Magnetic suction structure; 230. Positioning structure; 240. Gripping structure; 250. Stacking structure; 300, Pressure holding assembly; 310, Pressure holding component; 320, Connecting hook; 330, Third elastic reset component; 340, Mating component; 341, Connecting groove; X, first direction; Y, second direction; Z, third direction. Detailed Implementation

[0023] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0024] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly or indirectly on that other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to that other element. Unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application 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. Therefore, they should not be construed as limitations on this application.

[0026] In the description of this application, unless otherwise stated, " / " indicates that the objects before and after are in an "or" relationship. For example, A / B can mean A or B. "And / or" in this application is merely a description of the relationship between the related objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist simultaneously, and B exists alone. A and B can be singular or plural.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0028] As described in the background section, in related technologies, positioning components are used to achieve precise product positioning to ensure positioning accuracy and production efficiency. Most positioning components employ a design approach where one set of components corresponds to one product; that is, a dedicated positioning component is designed and manufactured based on the contour shape of a specific product. When products in the same series have different styles, such as differences in external dimensions or different local structural features, it is necessary to design and manufacture dedicated positioning components for each product separately, resulting in poor compatibility and adaptability of the positioning components.

[0029] Reference Figures 1 to 5 To address the aforementioned problems, according to one aspect of this application, an embodiment of this application provides a positioning component. The positioning component 100 includes a support member 110 and a positioning member 120. The support member 110 is a support base, and the support member 110 has an accommodating groove 1111 for accommodating a component to be positioned, which is the outer shell of a temple.

[0030] It should be understood that this application is not limited to positioning the above-mentioned structure, and the component to be positioned may also be the casing of other components such as battery casing, mirror frame casing, etc.

[0031] The positioning member 120 has multiple first positioning surfaces 1211 with different contours. The first positioning surfaces 1211 are used to position the part to be positioned. The positioning member 120 is disposed on the support member 110 and can adjust its orientation relative to the receiving groove 1111 so that each first positioning surface 1211 can position the part to be positioned with a corresponding contour. The above-mentioned "can be positioned separately" means that each first positioning surface 1211 can be independently put into positioning operation, and different first positioning surfaces 1211 do not need to participate in positioning at the same time. The above-mentioned "correlation matching" means that the contour of the first positioning surface 1211 put into positioning operation matches the outer contour of the part to be positioned, and the two can fit and abut against each other, thereby realizing the positioning constraint of the part to be positioned.

[0032] The first positioning surface 1211 is the working surface on the positioning member 120 that achieves positioning and engagement with the part to be positioned. The outline of the first positioning surface 1211 refers to the outer contour of the first positioning surface 1211, including parameters such as curvature and outer dimensions. The first positioning surface 1211 achieves positioning by abutting against the outer wall of the part to be positioned or by surface contact.

[0033] Adjusting the orientation of the positioning component 120 relative to the receiving groove 1111 refers to changing the assembly position of the positioning component 120, such as rotating, flipping, disassembling and re-aligning, so that different first positioning surfaces 1211 are switched to the side facing the receiving groove 1111. The positioning component 120 can adjust its orientation relative to the receiving groove 1111 by means of rotational connection, flipping hinge, disassembly and repositioning.

[0034] In this application, multiple first positioning surfaces 1211 with different contours are set by positioning component 120, and positioning component 120 can adjust its position relative to receiving groove 1111. This enables one positioning component 100 to adapt to multiple parts of the same series that have different contours, sizes, and local structures, thereby effectively improving the compatibility and adaptability of positioning component 100 and shortening the time required for positioning component 100 to switch between different parts to be positioned, which helps to improve the utilization rate of production line.

[0035] Meanwhile, the above design eliminates the need to separately mold and process a complete set of positioning components 100 for each part to be positioned, reducing the number of positioning components 100 and lowering the design, processing, and storage costs of positioning components 100. On the other hand, it effectively broadens the applicable scenarios of positioning components 100, eliminating the need for frequent disassembly and replacement of the complete set of positioning components 100, which helps maintain production rhythm and ensure production efficiency.

[0036] In addition, the accommodating groove 1111 plays a role in limiting the shaking of the part to be positioned, and can accommodate and pre-position the part to be positioned. Together with the first positioning surface 1211 of the positioning member 120, it completes the limiting constraint of the part to be positioned, ensuring the smooth progress of subsequent operations.

[0037] Reference Figure 5 and Figure 6 In one embodiment, the first positioning surface 1211 is a positioning curved surface. In this embodiment, a positioning curved surface refers to a surface that has at least one curvature and is not composed of a single flat plane. The surface as a whole is curved and can be a single arc surface, a multi-segment continuous arc surface, an irregularly shaped arc surface, etc., and is not limited to a complete cylindrical surface. It can also be a local arc-shaped fitting surface.

[0038] The first positioning surface 1211 can form a larger contact area with the outer wall of the part to be positioned, dispersing the positioning resistance force and reducing local contact stress. At the same time, the curved surface profile can better match the arc shape of the part to be positioned, improving the positioning fit, reducing positioning offset, and further improving the reliability of positioning constraints.

[0039] Reference Figure 2 , Figure 3 as well as Figure 5 In one embodiment, the inner wall of the receiving groove 1111 is provided with a second positioning surface 1112, which is a positioning curved surface; along the second direction Y, the second positioning surface 1112 and the first positioning surface 1211 are respectively provided on opposite sides of the receiving groove 1111, the second direction Y is perpendicular to the third direction Z, and the third direction Z is parallel to the extension direction of the receiving groove 1111.

[0040] In this embodiment, the second direction Y is parallel to the width direction of the receiving groove 1111, and the extension direction of the receiving groove 1111 is the depth direction of the receiving groove 1111.

[0041] It should be understood that the inner wall of the receiving groove 1111 may not have a second positioning surface 1112. Along the second direction Y, positioning elements 120 may be provided on both opposite sides of the receiving groove 1111. Alternatively, positioning may be achieved on one side only by the positioning element 120 on one side, while the other side is limited by the inner wall of the receiving groove 1111.

[0042] The first positioning surface 1211 and the second positioning surface 1112 are respectively located on opposite sides of the receiving groove 1111 in the second direction Y, which can jointly position the component to be positioned from opposite sides of the receiving groove 1111, ensuring the centering and reliability of the positioning.

[0043] Meanwhile, both the first positioning surface 1211 and the second positioning surface 1112 adopt positioning curved surfaces, which can further increase the contact area with the outer wall of the part to be positioned, disperse the clamping force, reduce local contact compressive stress, and reduce the risk of the part to be positioned being crushed.

[0044] In addition, the first positioning surface 1211 and the second positioning surface 1112 cooperate to form a bidirectional limiting constraint on the part to be positioned, restricting the displacement of the part to be positioned in the second direction Y and improving the stability of the part to be positioned.

[0045] In addition, to improve the positioning constraint effect of the positioning component, a plurality of positioning elements 120 are distributed at intervals along the first direction X on one side of the receiving groove 1111 along the second direction Y. Each positioning element 120 has a plurality of first positioning surfaces 1211 with different contours. A plurality of second positioning surfaces 1112 are distributed at intervals along the first direction X on the other side of the receiving groove 1111. The first direction X is parallel to the length direction of the receiving groove 1111.

[0046] Reference Figures 2 to 6 In one embodiment, the positioning member 120 is detachably mounted on the carrier 110 and can be mounted on the carrier 110 at various assembly stations to adjust the orientation of the positioning member 120 relative to the receiving groove 1111.

[0047] In this embodiment, the positioning member 120 can be detachably installed on the carrier member 110 using a snap-fit ​​structure, plug-in structure, screw structure or magnetic structure; the assembly station refers to the positioning member 120 being detached from the carrier member 110, rotated or flipped at a certain angle, and then reassembled onto the carrier member 110, so that the different first positioning surfaces 1211 on the positioning member 120 face the side of the receiving groove 1111.

[0048] It should be understood that this application is not limited to the adjustment method described above. The positioning element 120 can also switch the first positioning surface 1211 by being rotatably or flip-folded on the carrier element 110.

[0049] The positioning component 120 is detachable and assembleable. On the one hand, it is convenient for the positioning component 120 to switch between multiple assembly stations, thereby changing the orientation of the positioning component 120 relative to the receiving groove 1111, so that different first positioning surfaces 1211 can be aligned with different parts to be positioned, thereby realizing the positioning switching of different parts to be positioned.

[0050] On the other hand, it also facilitates the complete removal and replacement of the positioning component 120 from the carrier component 110, enabling the positioning of different components to be positioned simply by replacing the positioning component 120, without the need to replace the carrier component 110, further reducing development and manufacturing costs. Furthermore, it also facilitates the complete removal and maintenance of the positioning component 120 from the carrier component 110, improving the convenience of maintenance operations and extending the overall service life of the positioning assembly 100.

[0051] Reference Figure 4 and Figure 5 In one embodiment, one of the positioning member 120 and the carrier member 110 is provided with a plugging protrusion 122, and the other is provided with a plugging recess 1121.

[0052] The positioning component 120 includes a positioning body 121 and an insertion protrusion 122. The positioning body 121 is a contoured positioning block and is located at one end of the insertion protrusion 122 along its own axial direction. Multiple first positioning surfaces 1211 with different contours are arranged on the outer peripheral wall of the positioning body 121 along the circumference of the positioning body 121. The insertion recess 1121 is formed on the surface of the support component 110 that has an accommodating groove 1111.

[0053] It should be understood that this application is not limited to the above arrangement. The insertion protrusion 122 can also be provided on the support member 110, and the insertion recess 1121 is provided on the main structure of the positioning member 120.

[0054] The insertion protrusion 122 and the insertion recess 1121 are engaged in a plugging and pulling fit so that the positioning member 120 can be detachably installed on the carrier 110; the contour of the insertion protrusion 122 is adapted to the contour of the inner wall of the insertion recess 1121; after the insertion protrusion 122 is inserted into the insertion recess 1121, the inner wall of the insertion recess 1121 can restrict the rotation of the insertion protrusion 122 relative to the inner wall of the insertion recess 1121.

[0055] In this embodiment, the insertion protrusion 122 and the insertion recess 1121 are engaged in a plugging and unplugging manner, meaning that the insertion protrusion 122 can be inserted into the insertion recess 1121 or pulled out from the insertion recess 1121. In this case, the assembly station refers to the different assembly positions formed when the positioning member 120 is disassembled from the carrier member 110, rotated around the axis of the insertion protrusion 122 by a preset angle, and reassembled onto the carrier member 110. In each assembly station, the installation center of the positioning member 120 remains unchanged, and only one of the different first positioning surfaces 1211 faces the receiving groove 1111.

[0056] The contour of the insertion protrusion 122 matches the contour of the insertion recess 1121, meaning that the outer contour of the insertion protrusion 122 matches the contour of the inner wall of the insertion recess 1121, allowing them to fit together and achieve radial limiting and axial positioning. After the insertion protrusion 122 is inserted into the insertion recess 1121, rotation of the insertion protrusion 122 relative to the inner wall of the insertion recess 1121 can be restricted by means of boss-groove alignment, pin hole alignment, etc.

[0057] The insertion and removal of the protrusion 122 and the recess 1121 can quickly realize the assembly and disassembly of the positioning member 120 and the carrier member 110 without the need for additional tools or parts, which is conducive to the quick switching of the positioning member 120 to the assembly station.

[0058] Meanwhile, the inner wall of the insertion recess 1121 can restrict the relative rotation of the insertion protrusion 122, ensuring the posture stability of the assembled positioning component 120, thereby ensuring the positioning accuracy and positioning reliability of the first positioning surface 1211.

[0059] In addition, to reduce the risk of the positioning body 121 causing pressure damage or scratches to the outer wall of the component to be positioned, the positioning body 121 is an elastic structure, such as a silicone structure or a rubber structure, so that the positioning surface on the positioning body 121 can make flexible contact with the component to be positioned.

[0060] Reference Figures 4 to 6 In one embodiment, the insertion protrusion 122 has a plurality of stop surfaces 1221 arranged sequentially along its circumference, and a transition section 1222 is provided between two adjacent stop surfaces 1221. The stop surfaces 1221 cooperate with the inner wall of the insertion recess 1121 to stop the rotation of the insertion protrusion 122 relative to the inner wall of the insertion recess 1121.

[0061] In this embodiment, multiple stop surfaces 1221 are connected end to end in sequence and together with the transition section 1222 form the outer peripheral wall of the insertion protrusion 122. Specifically, the insertion protrusion 122 is generally prismatic in shape, and the cross-section of the insertion protrusion 122 is polygonal, such as a triangle, square, hexagon, or octagon. The stop surfaces 1221 are parallel to the central axis of the insertion protrusion 122, and each stop surface 1221 constitutes a polygonal side of the cross-section. In this case, the transition section 1222 is the edge between two adjacent stop surfaces 1221.

[0062] This design not only ensures that the protrusion 122 can be precisely inserted into the recess 1121 only when rotated at specific angles, such as 120°, 90°, 60°, and 45°, thus achieving circumferential locking of the positioning component 120 at the corresponding assembly station; it also effectively reduces the processing difficulty and facilitates processing and forming.

[0063] It should be understood that this application is not limited to the above-mentioned structural form. The cross-section of the plug-in protrusion 122 may also be non-circular, such as elliptical, plum blossom, spline, or D-shaped. In this case, the transition section 1222 is the arc transition surface between two adjacent stop surfaces 1221.

[0064] Meanwhile, the circumferential stop fit means that the stop surface 1221 of the insertion protrusion 122 and the inner wall of the insertion recess 1121 abut against each other in the circumferential direction. With the blocking interference of the stop surface 1221, the insertion protrusion 122 is prevented from rotating circumferentially relative to the insertion recess 1121 around the central axis of the insertion protrusion 122. This mechanical fit allows the insertion protrusion 122 to be inserted and removed along the axial direction, and only constrains the circumferential rotational movement.

[0065] Multiple stop surfaces 1221 arranged sequentially along the circumference of the insertion protrusion 122 can achieve multi-position circumferential positioning. After the insertion protrusion 122 is rotated at different angles and inserted into the insertion recess 1121, different stop surfaces 1221 are selected to abut against the inner wall of the insertion recess 1121. Multiple assembly positions of the positioning component 120 can be obtained by relying solely on the above-mentioned mechanical contour cooperation, thereby facilitating the switching of different first positioning surfaces 1211 to position the component to be positioned, effectively improving the convenience of switching operations.

[0066] Meanwhile, the stop surface 1221 and the transition section 1222 can be directly machined on the body of the insertion protrusion 122, without the need for additional independent anti-rotation parts such as pins and keys, which helps to reduce the number of parts, simplify the structure, and reduce processing and assembly costs.

[0067] Reference Figures 4 to 6 In one embodiment, a plurality of first positioning surfaces 1211 correspond one-to-one with a plurality of stop surfaces 1221 in the circumferential position, that is, each first positioning surface 1211 corresponds to a stop surface 1221 in the circumferential direction; when a certain stop surface 1221 is engaged with the inner wall circumferential stop of the insertion recess 1121, the corresponding first positioning surface 1211 is exactly facing the receiving groove 1111, and is in a working position where the part to be positioned can be positioned.

[0068] The stop surface 1221 of the insertion protrusion 122 is circumferentially bound to the first positioning surface 1211 of the positioning body 121. When the insertion protrusion 122 is assembled into place and circumferentially locked, the corresponding first positioning surface 1211 can be accurately positioned without additional adjustment and alignment. After switching assembly stations, the first positioning surface 1211 can synchronously follow the stop surface 1221 to complete the switch. The switching alignment consistency is good, which helps to reduce the amount of debugging work and ensures positioning accuracy.

[0069] In addition, to facilitate quick identification of the first positioning surface 1211 that is currently positioned opposite the receiving groove 1111, the end face of the positioning body 121 facing away from the insertion protrusion 122 is provided with multiple spaced markings. The markings are one or more combinations of letters, numbers, symbols, color blocks, and graphic marks, and the multiple markings correspond one-to-one with the multiple first positioning surfaces 1211.

[0070] Reference Figure 6 and Figure 7 In one embodiment, the positioning body 121 has a connecting groove 1212, and the insertion protrusion 122 is provided with a connecting boss 1223, which is engaged with the connecting groove 1212.

[0071] The connecting boss 1223 and the insertion protrusion 122 are integrally formed parts, and the connecting boss 1223 and the insertion protrusion 122 are coaxially arranged; the connecting groove 1212 is formed on the end face of the positioning body 121 facing the insertion protrusion 122. The connecting boss 1223 and the connecting groove 1212 are in a plug-in and pull-out engagement, which means that the connecting boss 1223 can be inserted into the connecting groove 1212 and can also be pulled out from the connecting groove 1212.

[0072] The positioning member 120 also includes a locking part 123. The positioning body 121 has a first locking hole 1213 communicating with the connecting groove 1212, and the connecting boss 1223 has a second locking hole 1224. The locking part 123 passes through the first locking hole 1213 and the second locking hole 1224 to restrict the connecting boss 1223 from disengaging from the connecting groove 1212 and to restrict the connecting boss 1223 from rotating relative to the inner wall of the connecting groove 1212. The locking part 123 can exit the second locking hole 1224 to release the restriction on the connecting boss 1223.

[0073] In this embodiment, the locking part 123 is a locking pin, and the extending direction of the first locking hole 1213 is perpendicular to the extending direction of the connecting groove 1212. After the connecting boss 1223 is inserted into the connecting groove 1212, the first locking hole 1213 and the second locking hole 1224 are aligned and connected. Then, the locking part 123 is inserted into the first locking hole 1213 and the second locking hole 1224, thereby restricting the connecting boss 1223 from dislodging from the connecting groove 1212 and restricting the connecting boss 1223 from rotating relative to the inner wall of the connecting groove 1212.

[0074] When it is necessary to replace different positioning bodies 121 to position different parts, the locking part 123 can be removed from the first locking hole 1213 to release the restriction on the connecting boss 1223, thereby allowing the positioning body 121 to be replaced.

[0075] The locking part 123 is used in conjunction with the first locking hole 1213 and the second locking hole 1224. On the one hand, it enables the positioning body 121 and the insertion protrusion 122 to be detachably connected, thereby facilitating the replacement of positioning bodies 121 of different specifications and further expanding the applicable scenarios of the positioning component 100.

[0076] On the other hand, after the locking part 123 passes through the first locking hole 1213 and the second locking hole 1224, it can not only prevent the connecting boss 1223 from dislodging from the connecting groove 1212, ensuring the connection stability between the positioning body 121 and the insertion protrusion 122, but also restrict the rotation of the connecting boss 1223 relative to the inner wall of the connecting groove 1212, ensuring that the first positioning surface 1211 on the positioning body 121 always corresponds and cooperates with the stop surface 1221 on the insertion protrusion 122, ensuring the positioning accuracy of the first positioning surface 1211 without the need for additional alignment calibration. In addition, the locking part 123 has both axial anti-disengagement and circumferential anti-rotation functions, eliminating the need for separate components, which helps to reduce the number of parts and simplify the structure.

[0077] On the other hand, once the locking part 123 exits the second locking hole 1224, the limiting of the connecting boss 1223 can be released simultaneously, effectively improving the convenience of disassembly and assembly operations.

[0078] Reference Figure 1 , Figure 4 as well as Figure 5 In one embodiment, the carrier 110 includes a carrier body 111 and a molded body 112. A receiving groove 1111 is formed in the carrier body 111, and an insertion recess 1121 is formed in the molded body 112. The carrier body 111 has an installation groove 1113, and the molded body 112 is inserted into the installation groove 1113. The inner wall of the installation groove 1113 can restrict the rotation of the molded body 112 relative to the inner wall of the installation groove 1113.

[0079] In this embodiment, the supporting body 111 is the main structure of the supporting member 110, and the molded body 112 is a molded sleeve. The internal space of the molded sleeve is formed as an insertion recess 1121. The molded body 112 is inserted and pulled into the mounting groove 1113. The outer peripheral wall of the molded body 112 is adapted to the inner wall of the mounting groove 1113. The cross-section of the molded body 112 is polygonal, such as a triangle, square, hexagon, or octagon. The molded body 112 forms a circumferential stop with the inner wall of the mounting groove 1113 through its outer peripheral wall to restrict the circumferential rotation of the molded body 112 relative to the inner wall of the mounting groove 1113.

[0080] In one embodiment, the molded body 112 can be pulled out from the mounting groove 1113; in another embodiment, the molded body 112 can be fixedly connected to the carrier body 111 by means of a connection structure provided between the outer peripheral wall of the molded body 112 and the inner wall of the mounting groove 1113, such as a snap-fit ​​structure, a screw connection structure, a magnetic attraction structure or an adhesive structure.

[0081] It should be understood that this application is not limited to the above-mentioned fitting forms. The molded body 112 may also be cylindrical and can be fixedly connected to the carrier body 111 through a snap-fit ​​structure, screw structure, magnetic structure or adhesive structure.

[0082] The supporting body 111 and the molded body 112 are separate structures. The receiving groove 1111 and the insertion recess 1121 are respectively opened on different components, which can be processed separately, reducing the processing difficulty and ensuring the dimensional accuracy of the receiving groove 1111 and the insertion recess 1121.

[0083] Meanwhile, the molded body 112 is inserted into the mounting groove 1113. The inner wall of the mounting groove 1113 restricts the circumferential rotation of the molded body 112, thereby maintaining the circumferential relative position between the molded body 112 and the supporting body 111 and ensuring the alignment accuracy of the positioning component 120.

[0084] In addition, the molded body 112 is a high-frequency insertion and removal wear part. After wear, the molded body 112 can be disassembled and replaced separately without replacing the entire bearing body 111, thus reducing maintenance costs.

[0085] Reference Figure 1 and Figure 5 In one embodiment, the positioning member 120 is provided with a first magnetic attraction part 124, and the bearing member 110 is provided with a second magnetic attraction part, and the first magnetic attraction part 124 and the second magnetic attraction part are magnetically attracted to each other.

[0086] In this embodiment, the first magnetic suction part 124 is disposed at one end of the insertion protrusion 122 away from the positioning body 121 and is fixedly connected to the insertion protrusion 122; the second magnetic suction part is fixedly installed in the insertion recess 1121.

[0087] Specifically, the first magnetic attraction part 124 and the second magnetic attraction part can be two magnetic components with magnetic attraction force, such as permanent magnets or magnets; or one of the first magnetic attraction part 124 and the second magnetic attraction part can be a magnetic component and the other is a magnetic conductive component, such as an iron piece, a magnetic steel sheet or a metal attracting sheet.

[0088] Before the positioning component 120 changes assembly position, the insertion protrusion 122 is firmly inserted into the insertion recess 1121 under the magnetic attraction force of the first magnetic attraction part 124 and the second magnetic attraction part. When the positioning component 120 changes assembly position, the positioning component 120 is first lifted upward to overcome the magnetic attraction force and disengage the insertion protrusion 122 from the insertion recess 1121; then the positioning component 120 is rotated at a specific angle, and the insertion protrusion 122 is reinserted into the insertion recess 1121, and is once again attracted and fixed by the magnetic cooperation of the first magnetic attraction part 124 and the second magnetic attraction part, ensuring the installation stability of the positioning component 120 after assembly.

[0089] By relying on the magnetic attraction between the first magnetic attraction part 124 and the second magnetic attraction part, a magnetic attraction force can be applied to the positioning member 120 to help maintain the assembly state of the positioning member 120 inserted into the insertion recess 1121, resist the loosening tendency caused by vibration and lateral impact, improve the installation stability of the positioning member 120 after assembly, and thus ensure the positioning accuracy and positioning reliability of the positioning member 120.

[0090] Meanwhile, when different first positioning surfaces 1211 need to be switched to position the component to be positioned, simply lift the positioning component 120 to overcome the magnetic attraction force. After the positioning component 120 is rotated, it is reinserted into the insertion recess 1121. The first magnetic part 124 and the second magnetic part can then achieve automatic adsorption and fixation without the need for tools or fasteners. The operation is quick, convenient and reliable.

[0091] Reference Figures 1 to 3 as well as Figure 8 In one embodiment, the positioning component 100 further includes a first limiting member 130, which is disposed on the carrier 110 and has a first limiting state and a first avoidance state.

[0092] When in the first limiting state, the first limiting member 130 restricts the movement of the part to be positioned in the receiving groove 1111 along the first direction X, the first direction X being perpendicular to the third direction Z, and the third direction Z being parallel to the extension direction of the receiving groove 1111; when in the first avoidance state, the first limiting member 130 releases the limiting constraint of the part to be positioned along the first direction X.

[0093] In this embodiment, the first limiting member 130 may be a rotating swing block, a sliding stop block, or an elastic top block. When the first limiting member 130 is in the first limiting state, the first limiting member 130 restricts the movement of the part to be positioned in the receiving groove 1111 along the first direction X towards the surface of the receiving groove 1111. When the first limiting member 130 is in the first avoidance state, the first limiting member 130 may use methods such as rotating open, sliding back, or elastic backing to release the limiting constraint of the part to be positioned along the first direction X, so that the part to be positioned can be taken out or put into the receiving groove 1111.

[0094] When the first limiting member 130 is in the first limiting state, it can constrain the part to be positioned to move along the first direction X, thereby improving the positioning reliability and installation stability of the part to be positioned; when it is in the first avoidance state, it can release the limiting constraint on the part to be positioned, providing avoidance space for the part to be positioned to be loaded and unloaded, thus facilitating the assembly and disassembly of the part to be positioned.

[0095] Meanwhile, the first limiting member 130, in conjunction with the receiving groove 1111 and the positioning member 120, can achieve multi-directional coordinated limiting, further improving the positioning accuracy of the part to be positioned.

[0096] Reference Figures 1 to 4 as well as Figure 8 In one embodiment, at least two first limiting members 130 are provided, and along the first direction X, two of the plurality of first limiting members 130 are respectively disposed on opposite sides of the receiving groove 1111.

[0097] The first limiting member 130 is rotatably disposed on the bearing member 110 to switch between the first limiting state and the first avoidance state; a first elastic reset member 140 is provided between each first limiting member 130 and the bearing member 110, and the first elastic reset member 140 is used to apply an elastic force to the first limiting member 130 so that the first limiting member 130 is kept in the first limiting state.

[0098] In this embodiment, the first elastic reset member 140 is an elastic spring, which is clamped between the first limiting member 130 and the carrier member 110. The first limiting member 130 is L-shaped, and a part of the structure of the first limiting member 130 is used to limit the part to be positioned. The other part of the structure of the first limiting member 130 cooperates with the first elastic reset member 140. The two parts are intersecting and a first rotating shaft passes through the junction of the two parts. The first limiting member 130 is rotatably mounted on the carrier body 111 through the first rotating shaft to form a seesaw structure. The first rotating shaft forms the fulcrum of the seesaw.

[0099] The first elastic reset member 140 is located on one side of the first rotating shaft in the first direction X. To ensure the assembly and positioning of the first elastic reset member 140, a limiting protrusion is provided at one end of the first limiting member 130 facing the bearing body 111, and part of the structure of the first elastic reset member 140 is sleeved on the limiting protrusion.

[0100] Specifically, the first elastic reset member 140 is positioned along the third direction Z. One end of the first elastic reset member 140 abuts against the first limiting member 130, and the other end of the first elastic reset member 140 abuts against the bearing body 111. When the first limiting member 130 switches from the first limiting state to the first avoidance state, the first elastic reset member 140 is continuously compressed. After the external force applied to the first limiting member 130 is removed, the first limiting member 130 quickly resets to the first limiting state under the elastic force of the first elastic reset member 140. When the first limiting member 130 is in the first limiting state, the first elastic reset member 140 remains compressed, thereby continuously outputting an elastic force to the first limiting member 130. The first limiting member 130 converts this elastic force into a limiting pre-tightening force for the component to be positioned.

[0101] On the one hand, the receiving groove 1111 is provided with first limiting members 130 on both sides of the first direction X, which can simultaneously limit and constrain the part to be positioned from both sides, suppress the part to be positioned from moving and shaking along the first direction X, and further improve the positioning reliability and installation stability of the part to be positioned.

[0102] On the other hand, the first limiting member 130 adopts a rotating assembly structure, which can switch between the first limiting state and the first avoidance state simply by rotating, making the state switching action simple and convenient.

[0103] On the other hand, the first elastic reset member 140 continuously applies an elastic force to the first limiting member 130, keeping the first limiting member 130 in the first limiting state. After the part to be positioned is placed into the receiving groove 1111, the first elastic reset member 140 can drive the first limiting member 130 to automatically return to its original position and complete the limiting, eliminating the need for manual locking and simplifying the operation process. At the same time, the elastic pre-tightening limiting method is a flexible limiting method, which can buffer the impact during the operation and reduce the risk of the part to be positioned being crushed.

[0104] Furthermore, the supporting body 111 has a first receiving space 1114 for accommodating the first limiting member 130, and the first limiting member 130 is rotatably disposed within the first receiving space 1114. To facilitate the switching of the first limiting member 130 from the first limiting state to the first avoidance state, the first receiving space 1114 extends through the supporting member 110, so that the external force-applying end can push the part of the first limiting member 130 on which the first elastic reset member 140 is provided to apply pressure to the first elastic reset member 140, thereby driving the part of the first limiting member 130 used to cooperate with the part to be positioned to avoid the part to be positioned.

[0105] Reference Figures 1 to 3 as well as Figure 8In one embodiment, along the first direction X, the elastic forces applied by the first elastic reset members 140 corresponding to the two first limiting members 130 respectively disposed on opposite sides of the receiving groove 1111 are not equal, so that the limiting forces provided by the two first limiting members 130 are not equal.

[0106] The above design has multiple advantages: Firstly, the first limiting members 130, which are respectively set on opposite sides of the receiving groove 1111, output limiting pre-tightening forces of different magnitudes, forming an asymmetrical elastic clamping of the part to be positioned. This allows the part to be positioned to be continuously pushed against the first limiting member 130 on one side, thereby achieving automatic alignment of the part to be positioned, reducing the position uncertainty caused by the floating of the part to be positioned, and improving the centering accuracy of the positioning.

[0107] Secondly, the first limiting member 130 on one side achieves the main limiting pre-tightening with a larger elastic force, while the first limiting member 130 on the other side uses a smaller elastic force for auxiliary limiting. This can ensure the constraint effect on the part to be positioned and reduce the risk of the part to be positioned being deformed or damaged by pressure.

[0108] Third, when the part to be positioned has a certain dimensional deviation, the asymmetric elastic force can absorb the dimensional error, ensuring that the part to be positioned is still in close contact with a first limiting part 130, effectively improving the compatibility of the machining tolerance of the part to be positioned.

[0109] Reference Figures 1 to 3 as well as Figure 8 In one embodiment, the first limiting member 130 is provided with a first limiting protrusion 131. When in the first limiting state, the first limiting protrusion 131 restricts the part to be positioned in the receiving groove 1111 from disengaging to the outside of the receiving groove 1111 along the third direction Z. When in the first avoidance state, the first limiting member 130 releases the limiting constraint of the part to be positioned along the third direction Z.

[0110] In this embodiment, the first limiting protrusion 131 is a limiting protrusion, which is disposed at one end of the first limiting member 130 in the third direction Z. The first limiting protrusion 131 extends along the first direction X toward the side opposite to the first limiting member 130, so that when the first limiting member 130 is in the first limiting state, it can prevent the part to be positioned in the receiving groove 1111 from disengaging from the receiving groove 1111 along the third direction Z. In addition, the first limiting protrusion 131 and the first limiting member 130 are integrally formed.

[0111] In the first limiting protrusion 131, under the first limiting state, it can form a stop constraint in the third direction Z of the component to be positioned, further improving the positioning reliability and installation stability of the component to be positioned. At the same time, the first limiting protrusion 131 is integrated on the first limiting member 130, and the limiting constraint in the first direction X and the third direction Z can be achieved simultaneously by the same component, without the need for additional independent stopping parts, which helps to reduce the number of parts and simplify the overall structure.

[0112] Reference Figures 1 to 3 as well as Figure 8 In one embodiment, the positioning component 100 further includes a second limiting member 150, which is disposed on the carrier 110 and has a second limiting state and a second avoidance state.

[0113] When in the second limiting state, the second limiting member 150 restricts the movement of the part to be positioned in the receiving groove 1111 along the second direction Y. The second direction Y intersects with the first direction X and is perpendicular to the third direction Z. When in the second avoidance state, the second limiting member 150 releases the limiting constraint of the part to be positioned along the second direction Y.

[0114] In this embodiment, the second limiting member 150 may be a rotating swing block, a sliding stop block, or an elastic top block. When the second limiting member 150 is in the second limiting state, the second limiting member 150 restricts the movement of the part to be positioned in the receiving groove 1111 along the second direction Y towards the surface of the receiving groove 1111. When the second limiting member 150 is in the second avoidance state, the second limiting member 150 may use methods such as rotating open, sliding back, or elastic backing to release the limiting constraint of the part to be positioned along the second direction Y, so that the part to be positioned can be taken out or put into the receiving groove 1111.

[0115] The second limiting member 150, when in the second limiting state, can constrain the part to be positioned to move along the second direction Y, thereby improving the positioning reliability and installation stability of the part to be positioned; when in the second avoidance state, it can release the limiting constraint on the part to be positioned, providing avoidance space for the part to be positioned to be loaded and unloaded, thus facilitating the assembly and disassembly of the part to be positioned.

[0116] Meanwhile, the second limiting member 150, together with the first limiting member 130, the receiving groove 1111, and the positioning member 120, can achieve multi-directional coordinated limiting, further improving the positioning accuracy of the part to be positioned.

[0117] Reference Figures 1 to 4 as well as Figure 8In one embodiment, at least two second limiting members 150 are provided, and along the second direction Y, two of the plurality of second limiting members 150 are respectively provided on opposite sides of the receiving groove 1111. The second limiting member 150 is rotatably disposed on the bearing member 110 to switch between the second limiting state and the second avoidance state; a second elastic reset member 160 is provided between each second limiting member 150 and the bearing member 110, and the second elastic reset member 160 is used to apply an elastic force to the second limiting member 150 so that the second limiting member 150 is kept in the second limiting state.

[0118] In this embodiment, the second elastic reset member 160 is an elastic spring, which is clamped between the second limiting member 150 and the carrier member 110. The second limiting member 150 is L-shaped; a part of the structure of the second limiting member 150 is used to limit the part to be positioned, and another part of the structure of the second limiting member 150 cooperates with the second elastic reset member 160; the two parts are intersecting, and a second rotating shaft passes through the junction of the two parts. The second limiting member 150 is rotatably mounted on the carrier body 111 through the second rotating shaft to form a seesaw structure, and the second rotating shaft forms the fulcrum of the seesaw.

[0119] The second elastic reset member 160 is located on one side of the second rotating shaft in the second direction Y. To ensure the assembly and positioning of the second elastic reset member 160, a limiting protrusion is provided at one end of the second limiting member 150 facing the bearing body 111, and part of the structure of the second elastic reset member 160 is sleeved on the limiting protrusion.

[0120] Specifically, the second elastic reset member 160 is positioned along the third direction Z. One end of the second elastic reset member 160 abuts against the second limiting member 150, and the other end of the second elastic reset member 160 abuts against the bearing body 111. When the second limiting member 150 switches from the second limiting state to the second avoidance state, the second elastic reset member 160 is continuously compressed. After the external force applied to the second limiting member 150 is removed, the second limiting member 150 quickly resets to the second limiting state under the elastic force of the second elastic reset member 160. When the second limiting member 150 is in the second limiting state, the second elastic reset member 160 remains compressed, thereby continuously outputting an elastic force to the second limiting member 150. The second limiting member 150 converts this elastic force into a limiting pre-tightening force for the component to be positioned.

[0121] On the one hand, the receiving groove 1111 is provided with second limiting members 150 on both sides of the second direction Y, which can simultaneously limit and constrain the part to be positioned from both sides, suppress the part to be positioned from moving and shaking along the second direction Y, and further improve the positioning reliability and installation stability of the part to be positioned.

[0122] On the other hand, the second limiting member 150 adopts a rotating assembly structure, which can switch between the second limiting state and the second avoidance state simply by rotating, making the state switching action simple and convenient.

[0123] On the other hand, the second elastic reset member 160 continuously applies an elastic force to the second limiting member 150, keeping the second limiting member 150 in its normal second limiting state. After the part to be positioned is placed into the receiving groove 1111, the second elastic reset member 160 can drive the second limiting member 150 to automatically return to its original position and complete the limiting, eliminating the need for manual locking and simplifying the operation process. At the same time, the elastic pre-tightening limiting method is a flexible limiting method, which can buffer the impact during the operation and reduce the risk of the part to be positioned being crushed.

[0124] Furthermore, the supporting body 111 has a second receiving space 1115 for accommodating the second limiting member 150, and the second limiting member 150 is rotatably disposed within the second receiving space 1115. To facilitate the switching of the second limiting member 150 from the second limiting state to the second avoidance state, the second receiving space 1115 extends through the supporting member 110, so that the external force-applying end can push the part of the second limiting member 150 on which the second elastic reset member 160 is provided to apply pressure to the second elastic reset member 160, thereby driving the part of the second limiting member 150 used to cooperate with the part to be positioned to avoid the part to be positioned.

[0125] Reference Figures 1 to 3 as well as Figure 8 In one embodiment, along the second direction Y, the elastic forces applied by the second elastic reset members 160 corresponding to the two second limiting members 150 respectively disposed on opposite sides of the receiving groove 1111 are not equal, so that the limiting forces provided by the two second limiting members 150 are not equal.

[0126] The above design has multiple advantages: Firstly, the second limiting members 150, which are respectively set on opposite sides of the receiving groove 1111, output limiting pre-tightening forces of different magnitudes, forming an asymmetrical elastic clamping of the part to be positioned. This allows the part to be positioned to be continuously pushed against the second limiting member 150 on one side, thereby achieving automatic alignment of the part to be positioned, reducing the position uncertainty caused by the floating of the part to be positioned, and improving the centering accuracy of the positioning.

[0127] Secondly, the second limiting member 150 on one side achieves the main limiting pre-tightening with a larger elastic force, while the second limiting member 150 on the other side uses a smaller elastic force for auxiliary limiting. This can ensure the constraint effect on the part to be positioned and reduce the risk of the part to be positioned being deformed or damaged by pressure.

[0128] Third, when the part to be positioned has a certain dimensional deviation, the asymmetric elastic force can absorb the dimensional error, ensuring that the part to be positioned is still in close contact with a second limiting part 150, effectively improving the compatibility of the machining tolerance of the part to be positioned.

[0129] Reference Figures 1 to 3 as well as Figure 8 In one embodiment, the second limiting member 150 is provided with a second limiting protrusion 151. When in the second limiting state, the second limiting protrusion 151 restricts the part to be positioned in the receiving groove 1111 from disengaging to the outside of the receiving groove 1111 along the third direction Z. When in the second avoidance state, the second limiting member 150 releases the limiting constraint of the part to be positioned along the third direction Z.

[0130] In this embodiment, the second limiting protrusion 151 is a limiting protrusion, which is disposed at one end of the second limiting member 150 in the third direction Z. The second limiting protrusion 151 extends along the second direction Y toward the side opposite to the second limiting member 150, so that when the second limiting member 150 is in the second limiting state, it can prevent the part to be positioned in the receiving groove 1111 from disengaging from the receiving groove 1111 along the third direction Z. In addition, the second limiting protrusion 151 and the second limiting member 150 are integrally formed.

[0131] In the second limiting state, the second limiting protrusion 151 can form a stop constraint in the third direction Z of the part to be positioned, further improving the positioning reliability and installation stability of the part to be positioned. At the same time, the second limiting protrusion 151 is integrated on the second limiting member 150, and the limiting constraint in the second direction Y and the third direction Z can be achieved simultaneously by the same component, without the need for additional independent stopping parts, which helps to reduce the number of parts and simplify the overall structure.

[0132] Reference Figures 1 to 9 According to another aspect of this application, embodiments of this application also provide a positioning fixture, which includes a mounting base 200 and the aforementioned positioning component 100, with a carrier 110 detachably mounted on the mounting base 200.

[0133] In this embodiment, the carrier 110 is detachably mounted on the mounting base 200 by fasteners such as fastening screws or fastening pins. To achieve precise alignment between the carrier 110 and the mounting base 200, one of the mounting base 200 and the carrier 110 is provided with a positioning post, and the other is provided with a positioning hole. The positioning post passes through the positioning hole to achieve the positioning and installation of the carrier 110.

[0134] It should be understood that this application is not limited to the above-described structural form. The carrier 110 can also be detachably installed on the mounting base 200 through connection structures such as snap-fit ​​structure, plug-in structure, and magnetic structure.

[0135] In this application, by making the carrier 110 detachably installed on the mounting base 200, the positioning component 100 and the mounting base 200 are divided into two independent modules, so that the mounting base 200 can be used for a long time and the positioning component 100 can be adjusted and replaced as needed. This design effectively reduces the number of mounting bases 200, improves the versatility and adaptability of the mounting base 200, and reduces the cost of using the positioning tooling.

[0136] In addition, to facilitate the switching of the state between the first limiting member 130 and the second limiting member 150, the mounting base 200 is provided with through holes corresponding to the first accommodating space 1114 and the second accommodating space 1115.

[0137] Reference Figure 1 , Figure 10 as well as Figure 11 In one embodiment, the positioning fixture further includes a pressure holding component 300, which is installed on one of the carrier 110 and the mounting base 200 at the same time.

[0138] Specifically, when the pressure holding assembly 300 is in the pressure holding condition, the pressure holding assembly 300 is installed on the carrier 110 and is used to hold pressure on the part to be positioned in the receiving groove 1111. The pressure holding assembly 300 can be separated from the carrier 110. When the pressure holding assembly 300 is in the non-pressure holding condition, the pressure holding assembly 300 is installed on the mounting base 200 and can be separated from the mounting base 200.

[0139] In this embodiment, the pressure holding component 300 can be installed and separated from the carrier 110 and the mounting base 200 by means of hook engagement, snap engagement, magnetic engagement, or screw locking.

[0140] The pressure-holding component 300 is configured as an independent and detachable part. Under pressure-holding conditions, it is installed on the carrier 110 to hold pressure on the part to be positioned. Under non-pressure-holding conditions, it is installed on the mounting base 200. There is no need to set up an additional independent storage station, which reduces the risk of loss of the pressure-holding component 300.

[0141] Meanwhile, a set of pressure holding components 300 can be reused on different positioning components 100, which helps to reduce the number of parts and lower tooling costs.

[0142] Reference Figure 1 , Figure 10 as well as Figure 11In one embodiment, the pressure holding assembly 300 includes a pressure holding member 310 and a connecting hook 320. The pressure holding member 310 is the main structure of the pressure holding assembly 300 and is used to hold pressure on the component to be positioned in the receiving groove 1111.

[0143] The connecting hook 320 is rotatably mounted on the pressure-holding member 310 to switch between the connected state and the disconnected state; both the mounting base 200 and the bearing member 110 are provided with mating parts 340, and the mating parts 340 are provided with connecting grooves 341.

[0144] When the connecting hook 320 is in the connected state, the connecting hook 320 passes through the connecting groove 341 and hooks and engages with the inner wall of the connecting groove 341 so that the pressure holding member 310 is installed on the mounting base 200 or the bearing member 110; when the connecting hook 320 is in the disengaged state, the connecting hook 320 is disengaged from the connecting groove 341.

[0145] A third elastic reset member 330 is provided between the connecting hook 320 and the pressure holding member 310. The third elastic reset member 330 is used to apply an elastic force to the connecting hook 320 so that the connecting hook 320 is kept in the connected state.

[0146] In this embodiment, the third elastic reset member 330 is an elastic spring and is abutted and clamped between the connecting hook 320 and the pressure holding member 310. The connecting hook 320 is L-shaped, and a part of the structure of the connecting hook 320 is used to form a hook engagement with the inner wall of the connecting groove 341, while the other part of the structure of the connecting hook 320 engages with the third elastic reset member 330. The two parts of the structure are intersecting, and a third rotating shaft passes through the junction of the two parts. The connecting hook 320 is rotatably mounted on the pressure holding member 310 via the third rotating shaft to form a seesaw structure, with the third rotating shaft serving as the fulcrum of the seesaw.

[0147] Specifically, when the connecting hook 320 switches from the connected state to the disconnected state, the third elastic reset member 330 is continuously compressed; after the external force applied to the connecting hook 320 is removed, the connecting hook 320 quickly resets to the connected state under the elastic force of the third elastic reset member 330; when the connecting hook 320 is in the connected state, the third elastic reset member 330 remains compressed, thereby continuously outputting elastic force to the connecting hook 320, and the connecting hook 320 converts this elastic force into the hooking force of the inner wall of the connecting groove 341.

[0148] On the one hand, the connecting hook 320 adopts a rotating assembly structure, which can switch between the connected state and the disconnected state simply by rotating, making the state switching action simple and convenient.

[0149] On the other hand, the third elastic reset member 330 continuously applies an elastic force to the connecting hook 320, so that the connecting hook 320 is normally maintained in the connected state. This design allows the pressure holding member 310 to automatically hook and lock after being assembled, without the need for additional manual locking operation. The disassembly and assembly are simple, and it can resist vibration, reduce the risk of the connecting hook 320 accidentally disengaging, and ensure the installation reliability of the pressure holding assembly 300.

[0150] In addition, to improve the installation stability of the pressure-holding component 310, two connecting hooks 320 and two third elastic reset components 330 are provided. The two connecting hooks 320 are spaced apart and facing each other, that is, the hooking parts of the connecting hooks 320 extend towards the side that is closer to each other. The two third elastic reset components 330 are respectively engaged with the two connecting hooks 320 one by one. The bearing component 110 and the mounting base 200 are each equipped with two mating components 340. The connecting grooves 341 on the two mating components 340 on the same component are arranged opposite to each other, and the two connecting hooks 320 are respectively engaged with the two connecting grooves 341 one by one.

[0151] Reference Figure 1 and Figure 9 In one embodiment, the mounting base 200 is provided with an electronic identification structure 210, which is one or more combinations of electronic tags, RFID chips, NFC identification modules, and QR codes. The electronic identification structure 210 is installed on the side of the mounting base 200. RFID stands for Radio Frequency Identification, and NFC stands for Near Field Communication.

[0152] The electronic identification structure 210 can store the model, compatibility specifications, batch of use and maintenance information of the positioning tooling, which helps to realize the rapid traceability, specification verification and digital management of the positioning tooling.

[0153] Reference Figure 1 and Figure 9 In one embodiment, the mounting base 200 is provided with a magnetic structure 220, which is a magnetic component with magnetic attraction force. The magnetic structure 220 is mounted on the surface of the mounting base 200 away from the support member 110.

[0154] The magnetic attraction structure 220 allows the positioning fixture to be magnetically fixed to the corresponding equipment table, effectively suppressing the slippage and displacement of the positioning fixture during operation and improving the placement stability of the positioning fixture; it also meets the needs of quick assembly and disassembly and quick alignment.

[0155] Reference Figure 1 and Figure 9 In one embodiment, the mounting base 200 is provided with a positioning structure 230, which is a positioning bushing, and the positioning structure 230 is mounted on the surface of the mounting base 200 away from the support member 110.

[0156] The positioning structure 230 enables the mounting base 200 to be quickly aligned and installed, restricts the slippage and offset of the positioning fixture, and ensures the consistency and reliability of the positioning and processing of the part to be positioned.

[0157] Reference Figure 1 and Figure 9 In one embodiment, the mounting base 200 is provided with a gripping structure 240, which is a gripping groove or a gripping hole, and the gripping structure 240 is disposed on the side of the mounting base 200.

[0158] The gripping structure 240 provides a dedicated force-bearing position for manual or robotic gripping of the positioning fixture, effectively improving the convenience of handling the positioning fixture.

[0159] Reference Figure 1 and Figure 9 In one embodiment, the mounting base 200 is provided with a stacking structure 250, which is a stacking column. Multiple stacking structures 250 are provided and distributed and installed on the corners of the surface of the mounting base 200 on which the carrier 110 is mounted. The surface of the mounting base 200 opposite to the carrier 110 is provided with insertion holes for the stacking structures 250 to be inserted.

[0160] The stacking structure 250 can be plugged into the socket of another mounting base 200 to realize the stacking of multiple positioning fixtures, saving storage space for the positioning fixtures.

[0161] In summary, implementing the positioning component and positioning fixture provided in this embodiment has at least the following beneficial technical effects: First, a single positioning component 100 can be compatible with the positioning of multiple workpieces, effectively reducing the number of positioning components 100 and lowering the design, processing, and storage costs of the positioning components 100.

[0162] Second, when switching assembly stations, the positioning component 120 only requires three actions: lifting, rotating, and lowering, thus shortening the switching time.

[0163] Third, by relying solely on the circumferential stop cooperation between the stop surface 1221 on the insertion protrusion 122 and the inner wall of the insertion recess 1121, rapid and accurate multi-positioning can be achieved, which is simple to operate and highly reliable.

[0164] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A positioning component, characterized in that, It includes a support member and a positioning member. The support member has a receiving groove for receiving the part to be positioned. The positioning member has multiple first positioning surfaces with different contours, and the first positioning surfaces are used to position the component to be positioned; the positioning member is disposed on the support member and can adjust its orientation relative to the receiving groove so that each of the first positioning surfaces can position the component to be positioned with a corresponding contour. The positioning element is detachably mounted on the carrier and can be installed on the carrier at various assembly stations to adjust the orientation of the positioning element relative to the receiving groove.

2. The positioning component according to claim 1, characterized in that, One of the positioning member and the bearing member is provided with a plugging protrusion, and the other is provided with a plugging recess. The protruding part and the recessed part are engaged in a plugging and unplugging process; after the protruding part is inserted into the recessed part, the inner wall of the recessed part can restrict the rotation of the protruding part relative to the inner wall of the recessed part.

3. The positioning component according to claim 2, characterized in that, The insertion protrusion has multiple stop surfaces distributed sequentially along its circumference, and a transition section is provided between two adjacent stop surfaces. The stop surfaces cooperate with the circumferential stop of the inner wall of the insertion recess to restrict the rotation of the insertion protrusion relative to the inner wall of the insertion recess.

4. The positioning component according to claim 3, characterized in that, The positioning element includes a positioning body and the insertion protrusion, the positioning body being disposed on the insertion protrusion; a plurality of first positioning surfaces with different contours are disposed on the outer peripheral wall of the positioning body along the circumference of the positioning body, and the plurality of first positioning surfaces correspond one-to-one with the plurality of stop surfaces in the circumferential position.

5. The positioning component according to claim 1, characterized in that, The positioning member is provided with a first magnetic attraction part, and the bearing member is provided with a second magnetic attraction part, wherein the first magnetic attraction part and the second magnetic attraction part are magnetically attracted to each other.

6. The positioning component according to claim 1, characterized in that, The first positioning surface is a positioning curved surface; and / or, The inner wall of the receiving groove is provided with a second positioning surface, which is a positioning curved surface; along the second direction, the second positioning surface and the first positioning surface are respectively provided on opposite sides of the receiving groove, the second direction is perpendicular to the third direction, and the third direction is parallel to the extension direction of the receiving groove.

7. The positioning component according to any one of claims 1 to 6, characterized in that, The positioning component further includes a first limiting member, which is disposed on the bearing member and has a first limiting state and a first avoidance state. When in the first limiting state, the first limiting member restricts the movement of the part to be positioned within the receiving groove along a first direction, the first direction being perpendicular to a third direction and the third direction being parallel to the extension direction of the receiving groove; when in the first avoidance state, the first limiting member releases the limiting constraint on the part to be positioned along the first direction.

8. The positioning component according to claim 7, characterized in that, The positioning component further includes a second limiting member, which is disposed on the carrier and has a second limiting state and a second avoidance state. When in the second limiting state, the second limiting member restricts the movement of the part to be positioned in the receiving groove along the second direction, which intersects with the first direction and is perpendicular to the third direction; when in the second avoidance state, the second limiting member releases the limiting constraint on the part to be positioned along the second direction.

9. The positioning component according to claim 8, characterized in that, At least two first limiting members are provided. Along the first direction, two of the plurality of first limiting members are respectively disposed on opposite sides of the receiving groove. The first limiting members are rotatably disposed on the bearing member to switch between the first limiting state and the first clearance state. A first elastic reset member is provided between each first limiting member and the bearing member. The first elastic reset member is used to apply an elastic force to the first limiting member to keep the first limiting member in the first limiting state. Along the first direction, the elastic forces applied by the first elastic reset members corresponding to the two first limiting members disposed on opposite sides of the receiving groove are of different magnitudes, so that the limiting forces provided by the two first limiting members are of different magnitudes; and / or, At least two second limiting members are provided. Along the second direction, two of the multiple second limiting members are respectively disposed on opposite sides of the receiving groove. The second limiting members are rotatably disposed on the bearing member to switch between the second limiting state and the second clearance state. A second elastic reset member is provided between each second limiting member and the bearing member. The second elastic reset member is used to apply an elastic force to the second limiting member so that the second limiting member is held in the second limiting state. Along the second direction, the elastic forces applied by the second elastic reset members corresponding to the two second limiting members disposed on opposite sides of the receiving groove are of different magnitudes, so that the limiting forces provided by the two second limiting members are of different magnitudes.

10. A positioning fixture, characterized in that, The device includes a mounting base and a positioning assembly as described in any one of claims 1 to 9, wherein the carrier is detachably mounted on the mounting base.

11. The positioning fixture according to claim 10, characterized in that, The positioning fixture also includes a pressure-holding component. At any given time, the pressure-holding component is installed on either the carrier or the mounting base. When the pressure-holding component is in a pressure-holding condition, it is installed on the carrier and is used to maintain pressure on the part to be positioned within the accommodating groove. The pressure-holding component is detachable from the carrier. When the pressure-holding component is in a non-pressure-holding condition, it is installed on the mounting base and is detachable from the mounting base. And / or, The mounting base is provided with at least one of the following: electronic identification structure, magnetic structure, positioning structure, gripping structure, and stacking structure.

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