A positioning device

Abstract

This utility model provides a positioning device, relating to the field of air conditioning technology, which solves the technical problem that positioning devices are only applicable to one model, requiring replacement during use, resulting in high time, labor, and cost. The positioning device includes a base plate, a first limiting component, and a contour positioning component. The first limiting component is movably mounted on the base plate for circumferentially limiting the product to be positioned. The contour positioning component is movably mounted on the base plate and located inside the first limiting component to abut and position the curved portion of the product to be positioned. This utility model can adjust the positions of the limiting component and the contour positioning component according to different models of air conditioner indoor unit panels, thereby achieving rapid positioning of panels of various specifications and curvatures, improving the versatility and applicability of the equipment. Simultaneously, the contour positioning component uses a flexible clamp and slide rail combination, which can flexibly adapt to the curved structure of the panel, ensuring accurate and stable positioning, effectively improving printing quality and production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of air conditioning technology, and in particular to a positioning device universal for hot stamping panels. Background Technology

[0002] When printing logos on the indoor unit panel of an air conditioner, precise positioning is required to achieve accurate printing. Different models of panels have different curvatures and lengths, and traditional positioning devices can only be used for one model. This requires switching between positioning devices for different models, which is time-consuming, labor-intensive, and costly. Utility Model Content

[0003] The purpose of this utility model is to provide a positioning device that can be applied to air conditioner indoor unit panels of different specifications and curvatures, so as to solve the technical problem that the positioning device in the prior art is only applicable to one model, and needs to be replaced when used, which is time-consuming, labor-intensive and costly.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] The present invention provides a positioning device comprising a base plate, a first limiting component, and a contour positioning component; wherein:

[0006] The first limiting component is movably mounted on the base plate and is used to circumferentially limit the product to be positioned.

[0007] The contour positioning component is movably mounted on the base plate and located inside the first limiting component to abut and position the arc-shaped part of the product to be positioned.

[0008] Through the above-mentioned design, the positioning device can adjust the positions of the limiting component and the contour positioning component according to different models of air conditioner indoor unit panels, thereby achieving rapid positioning of panels of various specifications and curvatures, improving the versatility and applicability of the equipment. Simultaneously, the contour positioning component uses a flexible clamp and slide rail combination, which can flexibly adapt to the curved structure of the panel, ensuring accurate and stable positioning, effectively improving printing quality and production efficiency.

[0009] Based on the above technical solution, the present invention can be further improved as follows.

[0010] As a further improvement of this utility model, the base plate is provided with several hollow weight-reducing holes and is made of bakelite material.

[0011] The hollowed-out weight-reducing holes not only reduce the overall weight, facilitating handling and installation, but also do not compromise the structural strength of the base plate. The use of bakelite material gives the base plate excellent wear resistance and insulation, making it suitable for various working environments.

[0012] As a further improvement of this utility model, the first limiting component includes a first slide rail, left and right baffles, a second slide rail, and front and rear baffles; wherein:

[0013] The first slide rail extends along the first direction of the base plate;

[0014] The left and right baffles are respectively slidably disposed at both ends of the first slide rail;

[0015] The second slide rail extends along the second direction of the base plate and is slidably connected to the first slide rail;

[0016] The front and rear baffles are respectively slidably disposed at both ends of the second slide rail.

[0017] Through the above structural design, the first limiting component can flexibly adjust the positions of the left and right baffles and the front and rear baffles on the first and second slide rails according to the size of different panel models, thereby achieving circumferential limiting for panels of various specifications and improving the versatility and adaptability of the positioning device. At the same time, the sliding connection between the slide rails simplifies the adjustment operation, reduces the time required for replacing parts, and effectively improves production efficiency.

[0018] As a further improvement of this utility model, the number of front and rear baffles is two sets, which are spaced apart along the first direction of the base plate.

[0019] By incorporating two sets of front and rear baffles, the adaptability to panels of different widths is further enhanced, eliminating the need for frequent disassembly or replacement of baffle components during adjustment, thereby improving operational convenience and work efficiency. Simultaneously, this design ensures a more balanced distribution of the limiting components on the slide rail, guaranteeing uniform force on the panel during positioning and preventing offset or tilting caused by unilateral force, thus improving positioning accuracy and stability.

[0020] As a further improvement of this utility model, the left and right baffles are slidably connected to the first slide rail via a first base; and / or, the front and rear baffles are slidably connected to the second slide rail via a second base; and / or, the second slide rail is slidably connected to the first slide rail via a third base.

[0021] By setting up a first base, a second base, and a third base, the connection stability and sliding flexibility between the slide rail and the baffle are further improved, making the adjustment of each limiting component smoother and more precise. At the same time, the base structure design enhances the connection strength between components, effectively preventing positional displacement caused by external impacts and improving the overall reliability of the positioning device. Furthermore, this structure facilitates disassembly and maintenance, extending the equipment's service life and meeting the needs of high-frequency production operations.

[0022] As a further improvement of this utility model, the left and right baffles include a first lower baffle, a first upper baffle, and a first height adjustment structure; the first upper baffle is movably mounted on the first lower baffle via the first height adjustment structure; and / or, the front and rear baffles include a second lower baffle, a second upper baffle, and a second height adjustment structure; the second upper baffle is movably mounted on the second lower baffle via the second height adjustment structure. By setting the first and second height adjustment structures, the height of the baffles can be flexibly adjusted according to the needs of panels of different thicknesses, thereby achieving three-dimensional positioning of panels of various specifications, further enhancing the multifunctionality and applicability of the positioning device. At the same time, the design of the height adjustment structure ensures the convenience and accuracy of the adjustment operation, avoids the time loss caused by changing baffles of different heights, and improves the overall production efficiency. In addition, the split design of the upper and lower baffles effectively enhances the stability of the baffle combination, ensuring that the panel remains stable during the positioning process, preventing displacement caused by vibration or external force, and improving the reliability and safety of positioning.

[0023] As a further improvement of this utility model, the first height adjustment structure includes an adjusting rod, an adjusting nut, and an adjusting hole; the adjusting rod passes through the top of the first lower baffle; the adjusting hole is opened on the first lower baffle, and the adjusting nut is screwed into the adjusting hole, with its end abutting against the adjusting rod. Through the cooperative design of the adjusting rod and the adjusting nut, the user can change the height position of the adjusting rod by rotating the adjusting nut, thereby achieving precise adjustment of the height of the first upper baffle. This adjustment method is simple in structure and convenient to operate, enabling height adjustment without the use of additional tools, thus improving adjustment efficiency and flexibility. Simultaneously, the tight-fitting design of the adjusting hole and the adjusting nut ensures the structural stability after adjustment, preventing height deviation caused by vibration or external force, further improving the accuracy and reliability of the positioning device. Furthermore, this height adjustment structure has good repeatability, suitable for the rapid switching positioning needs of panels with various thicknesses, effectively improving the adaptability and practicality of the equipment.

[0024] As a further improvement of this utility model, the contour positioning component includes a fourth base, a flexible clamp, and a third slide rail; wherein:

[0025] The fourth base extends along the second direction of the base plate and is slidably connected to the first slide rail;

[0026] The third slide rail is mounted on the fourth base;

[0027] The flexible clamps are slidably mounted at both ends of the third slide rail.

[0028] The flexible clamp can automatically adjust its clamping angle according to the shape of the panel edge, adapting to the limiting requirements of panels with different contours, further enhancing the flexibility and applicability of the positioning device. Through the sliding adjustment of the third slide rail, the flexible clamp can move precisely along the fourth base, achieving multi-point clamping and precise positioning of irregularly shaped panels.

[0029] As a further improvement of this utility model, the number of the contour positioning components is three sets, which are respectively arranged between the left and right baffles and the front and rear baffles.

[0030] Three sets of contour-following positioning components are symmetrically distributed, located in the spaces between the left and right baffles and the front and rear baffles, forming a multi-directional collaborative limiting structure to achieve efficient and high-precision positioning of irregularly shaped panels. Each contour-following positioning component can independently adjust and adapt to the contour features of different areas of the panel, ensuring uniform clamping force distribution and avoiding panel deformation or displacement caused by localized stress concentration. This layout not only improves the device's compatibility with complex-shaped panels but also enhances the stability and reliability of the overall structure, meeting the precise positioning requirements of diverse production scenarios and significantly improving processing efficiency and finished product quality.

[0031] As a further improvement of this utility model, it also includes a handle, which is fixed to both ends of the base plate.

[0032] The handle facilitates the retrieval of the positioning device. The handle has a simple structure and is easy to install.

[0033] As a further improvement of this utility model, the number of the first slide rails is four, divided into two groups, and arranged side by side with intervals.

[0034] On both sides of the base, two parallel first slide rails in each group form a stable sliding guide system, ensuring that the limiting components remain synchronized and stable during adjustment. The layout of four slide rails not only enhances the overall load-bearing capacity of the structure but also significantly reduces the risk of offset caused by uneven force at a single point, further improving positioning accuracy and operational reliability.

[0035] As a further improvement of this utility model, it also includes an arrival detection element disposed on the first limiting component.

[0036] As a further improvement of this utility model, the positioning detection element includes a micro switch installed on the upper part of the left and right baffles and / or the front and rear baffles. When the panel is placed on the positioning device, the upper part of the panel will abut against the micro switch, triggering a signal to indicate that the panel is in position and can be hot-stamped.

[0037] By incorporating a positioning detection element, real-time monitoring of the panel's placement status can be achieved, ensuring that the panel is accurately positioned before each operation and avoiding processing errors caused by positional deviations. Simultaneously, this detection structure offers rapid response, convenient installation, and seamless integration with subsequent automated control systems, further enhancing the intelligence and operational safety of the positioning device. The introduction of microswitches not only simplifies the operation process but also effectively improves the overall stability and efficiency of the equipment, making it suitable for precise positioning requirements under various complex working conditions. Attached Figure Description

[0038] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, 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 utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0039] Figure 1 This is a schematic diagram of the positioning device of this utility model;

[0040] Figure 2 yes Figure 1 Enlarged view of part A in the middle;

[0041] Figure 3 yes Figure 1 Enlarged view of part B in the middle;

[0042] Figure 4 yes Figure 1 Enlarged view of part C;

[0043] Figure 5 This is a three-dimensional structural diagram (a) of the left and right baffles in the positioning device of this utility model;

[0044] Figure 6 This is a front view of the positioning device of this utility model in use;

[0045] Figure 7 This is a top view of the positioning device of this utility model in use;

[0046] Figure 8 This is a side view of the positioning device of this utility model in use;

[0047] Figure 9 This is a three-dimensional structural diagram (a) of the positioning device of this utility model in use;

[0048] Figure 10 This is a three-dimensional structural diagram (II) of the positioning device of this utility model in use;

[0049] Figure 11This is a three-dimensional structural diagram (III) of the positioning device of this utility model in use;

[0050] Figure 12 This is a three-dimensional structural diagram (IV) of the positioning device of this utility model in use;

[0051] Figure 13 This is a three-dimensional structural diagram (II) of the left and right baffles in the positioning device of this utility model.

[0052] In the picture:

[0053] 1. Base plate;

[0054] 2. Left and right baffles;

[0055] 21. First lower baffle;

[0056] 22. First upper baffle;

[0057] 23. Adjusting rod;

[0058] 24. Adjustment hole;

[0059] 3. Front and rear baffles;

[0060] 4. First base;

[0061] 5. First slide rail;

[0062] 6. The third base;

[0063] 7. Second base;

[0064] 8. Second slide rail;

[0065] 9. Fourth base;

[0066] 10. Flexible clamps;

[0067] 11. Third slide rail;

[0068] 12. Handle;

[0069] 13. Micro switch;

[0070] 100. Panel. Detailed Implementation

[0071] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0072] like Figures 1-13 As shown, this utility model provides a positioning device, including a base plate 1, a first limiting component, and a contour positioning component; wherein:

[0073] The first limiting component is movably mounted on the base plate 1 and is used to circumferentially limit the product to be positioned; it should be noted that in this embodiment, the product to be positioned is the hot-stamped panel of the air conditioner indoor unit.

[0074] The contour positioning component is movably mounted on the base plate 1 and located inside the first limiting component to abut and position the curved part of the product to be positioned. That is, it abuts and positions the curved part of the hot stamping panel 100.

[0075] Through the above-mentioned configuration, the positioning device can adjust the positions of the limiting component and the contour positioning component according to different models of air conditioner indoor unit panels, thereby achieving rapid positioning of panels of various specifications and curvatures, improving the versatility and applicability of the equipment. Simultaneously, the contour positioning component uses a flexible clamp 10 in conjunction with a slide rail, which can flexibly adapt to the curved structure of the panel, ensuring accurate and stable positioning, and effectively improving printing quality and production efficiency.

[0076] As a further improvement of this utility model, the base plate 1 is provided with several hollow weight-reducing holes and is made of bakelite material.

[0077] The hollowed-out weight-reducing holes not only reduce the overall weight, making it easier to handle and install, but also do not affect the structural strength of the base plate 1. The use of bakelite material gives the base plate 1 good wear resistance and insulation, making it suitable for various working environments.

[0078] As a further improvement of this utility model, the first limiting component includes a first slide rail 5, left and right baffles 2, a second slide rail 8, and front and rear baffles 3; wherein:

[0079] The first slide rail 5 extends along the first direction of the base plate 1;

[0080] The left and right baffles 2 are respectively slidably disposed at both ends of the first slide rail 5;

[0081] The second slide rail 8 extends along the second direction of the base plate 1 and is slidably connected to the first slide rail 5;

[0082] The front and rear baffles 3 are respectively slidably mounted at both ends of the second slide rail 8.

[0083] Through the above structural design, the first limiting component can flexibly adjust the positions of the left and right baffles 2 and the front and rear baffles 3 on the first and second slide rails 5 and 8 according to the size of different panel models 100, thereby achieving circumferential limiting for panels of various specifications and improving the versatility and adaptability of the positioning device. At the same time, the sliding connection between the slide rails simplifies the adjustment operation, reduces the time required for replacing parts, and effectively improves production efficiency.

[0084] As a further improvement of this utility model, there are two sets of front and rear baffles 3, which are spaced apart along the first direction of the base plate 1.

[0085] By setting two sets of front and rear baffles 3, the adaptability to panels of different widths is further enhanced, eliminating the need for frequent disassembly or replacement of baffle components during adjustment, thereby improving operational convenience and work efficiency. Simultaneously, this design ensures a more balanced distribution of the limiting components on the slide rail, guaranteeing uniform force on the panel during positioning and preventing offset or tilting caused by unilateral force, thus improving positioning accuracy and stability.

[0086] As a further improvement of this utility model, the left and right baffles 2 are slidably connected to the first slide rail 5 via the first base 4.

[0087] Furthermore, the left and right baffles include a first lower baffle 21, a first upper baffle 22, and a first height adjustment structure; the first upper baffle 22 is movably mounted on the first lower baffle 21 via the first height adjustment structure; the first lower baffle 21 is slidably connected to the first slide rail 5 via the first base 4; the first upper baffle 22 can be height adjusted to suit the needs of panels of different heights.

[0088] As a further improvement of this utility model, the front and rear baffles 3 are slidably connected to the second slide rail 8 via the second base 7; specifically, the front and rear baffles 3 include a second lower baffle, a second upper baffle, and a second height adjustment structure; the second upper baffle is movably mounted on the second lower baffle via the second height adjustment structure; the second lower baffle is slidably connected to the second slide rail 8 via the second base 7; the second upper baffle can be height adjusted to suit the needs of panels of different heights.

[0089] It should be noted that the first height adjustment structure and the second height adjustment structure are identical in structure. The following explanation will only use one of them as an example.

[0090] The second slide rail 8 is slidably connected to the first slide rail 5 via the third base 6.

[0091] The first height adjustment structure includes an adjusting rod 23, an adjusting nut, and an adjusting hole 24. The adjusting rod 23 passes through the top of the first lower baffle 21. The adjusting hole 24 is formed on the first lower baffle 21, and the adjusting nut is screwed into the adjusting hole 24, with its end abutting against the adjusting rod 23. A through hole is provided at the top of the first lower baffle 21. The depth to which the adjusting rod 23 passes through the through hole determines the height of the first upper baffle 22. When adjustment is required, the adjusting nut can be loosened so that its end is disengaged from the adjusting rod. Then, the adjusting rod 23 can be pulled up to the desired depth. After adjustment, the adjusting nut is tightened again and abutted against the adjusting rod 23, thereby achieving height adjustment of the first upper baffle 22. Similarly, the second height adjustment structure is the same as this structure, so it will not be described in detail.

[0092] By setting up the first base 4, the second base 7, and the third base 6, the connection stability and sliding flexibility between the slide rail and the baffle are further improved, making the adjustment of each limiting component smoother and more precise. At the same time, the base structure design enhances the connection strength between components, effectively preventing positional displacement caused by external impacts and improving the overall reliability of the positioning device. Furthermore, this structure facilitates disassembly and maintenance, extending the equipment's service life and meeting the needs of high-frequency production operations.

[0093] As a further improvement of this utility model, the contour positioning component includes a fourth base 9, a flexible clamp 10, and a third slide rail 11; wherein:

[0094] The fourth base 9 extends along the second direction of the base plate 1 and is slidably connected to the first slide rail 5;

[0095] The third slide rail 11 is mounted on the fourth base 9;

[0096] Flexible clamps 10 are slidably mounted at both ends of the third slide rail 11.

[0097] It should be noted that the flexible clamp 10 is an existing technology product, purchased from the market, such as the Henggu brand Matrix flexible clamp 10, model 1200A lightweight, which can freely lock spherical or curved surfaces. This utility model utilizes the plasticity of the pin of the flexible clamp to achieve a tight fit even on curved surfaces of different curvatures, thus achieving the purpose of stable and accurate positioning.

[0098] The flexible clamp 10 can automatically adjust the clamping angle according to the shape of the panel edge, adapting to the limiting requirements of panels with different contours, further improving the flexibility and applicability of the positioning device. Through the sliding adjustment of the third slide rail 11, the flexible clamp 10 can move precisely along the fourth base 9 to achieve multi-point clamping and precise positioning of irregularly shaped panels.

[0099] As a further improvement of this utility model, the number of contour positioning components is three sets, which are respectively set between the left and right baffles 2 and the front and rear baffles 3.

[0100] Three sets of contour-following positioning components are located in the space between the left and right baffles 2 and the front and rear baffles 3, forming a multi-directional collaborative limiting structure to achieve efficient and high-precision positioning of irregularly shaped panels. Each contour-following positioning component can independently adjust and adapt to the contour features of different areas of the panel, ensuring uniform clamping force distribution and avoiding panel deformation or displacement caused by localized stress concentration. This layout not only improves the device's compatibility with complex-shaped panels but also enhances the stability and reliability of the overall structure, meeting the precise positioning requirements of diverse production scenarios and significantly improving processing efficiency and finished product quality.

[0101] As a further improvement of this utility model, it also includes a handle 12, which is fixed to both ends of the base plate 1.

[0102] The handle 12 is designed to facilitate the retrieval of the positioning device. The handle has a simple structure and is easy to install.

[0103] As a further improvement of this utility model, the number of first slide rails 5 is four, divided into two groups, and arranged side by side with intervals.

[0104] On both sides of the base, two first slide rails 5 in each group are parallel to each other, forming a stable sliding guide system to ensure that the limiting components remain synchronized and stable during adjustment. The layout of four slide rails not only enhances the load-bearing capacity of the overall structure, but also significantly reduces the risk of offset caused by uneven force at a single point, further improving positioning accuracy and operational reliability.

[0105] In this embodiment, an arrival detection element is also provided on the first limiting component.

[0106] Specifically, the positioning detection element includes a micro switch 13 installed on the upper baffle of the left and right baffles 2 and / or the front and rear baffles 3. That is, the micro switch 13 can be installed only on the first upper baffle 22 of the left and right baffles 2, or only on the second upper baffle of the front and rear baffles 3, or simultaneously on the first upper baffle 22 of the left and right baffles 2 and the second upper baffle of the front and rear baffles 3.

[0107] like Figure 12 The attached figure shows an embodiment in which the micro switch 13 is disposed on the upper part of the left and right baffles 2 and the front and rear baffles 3.

[0108] When the panel is placed on the positioning device, the upper part of the panel will abut against the micro switch 13. The micro switch 13 will trigger a signal, indicating that the panel is in place and can be hot-stamped.

[0109] By incorporating a positioning detection element, real-time monitoring of the panel's placement status can be achieved, ensuring that the panel is accurately positioned before each operation and avoiding processing errors caused by positional deviations. Simultaneously, this detection structure offers rapid response, convenient installation, and seamless integration with subsequent automated control systems, further enhancing the intelligence and operational safety of the positioning device. The introduction of microswitches not only simplifies the operation process but also effectively improves the overall stability and efficiency of the equipment, making it suitable for precise positioning requirements under various complex working conditions.

[0110] It should be noted that, in order to prevent the sliders at the bottom of each component from sliding off the slide rails, anti-detachment posts are installed at the ends of the first slide rail 5, the second slide rail 8, and the third slide rail 11. The design of the anti-detachment posts effectively prevents the sliders from accidentally falling off during movement, ensuring the safety and continuity of equipment operation.

[0111] The method of using the positioning device of this utility model is as follows:

[0112] First item positioning:

[0113] ① Place the panel onto the positioning device, and adjust the four flexible clamps to be located at the lower end of the panel.

[0114] ② Fix the panel material around the perimeter by adjusting the baffles on the left, right, top, and bottom.

[0115] ③ Press down on the top of the panel with your left hand, pressing down 5 cm. The ejector pin of the flexible clamp changes under pressure, expanding and contracting with the curvature of the panel to form a certain transitional arc surface. Lock the flexible clamp with a wrench with your right hand to prevent the ejector pin from changing, thus completing the panel positioning.

[0116] During mass production, the panel can be placed directly on the plate for stable positioning. The micro switch on the retractable baffle is used to sense when the panel is in position.

[0117] This utility model's positioning device is a universal panel positioning device that can meet the panel requirements of different models without switching, with short replacement time and rapid switching. It requires only one-time installation; adjusting a portion of the mechanism is sufficient to position panels of different curvatures / lengths, facilitating hot stamping processes and compatibility with all air conditioner panel sizes. Quick model switching is achieved through adjustments, saving costs and reducing inventory. The positioning device features precise positioning, high reliability, simple operation, rapid switching, and strong versatility. Compared to other fixed positioning devices, it offers higher economic value and is compatible with all panels up to 1000mm*300mm. Flexible clamps are used for contouring and positioning, ensuring accurate and secure material positioning. Quick adjustment and switching are achieved through the locking bolts of the flexible clamps.

[0118] First, it should be noted that "inward" refers to the direction towards the center of the storage space, while "outward" refers to the direction away from the center of the storage space.

[0119] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the appendix. Figure 1 The orientations or positional relationships shown are for the convenience of describing this utility model and simplifying the description, and are not intended to 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.

[0120] 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 indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0121] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0122] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0123] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0124] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A positioning device, characterized in that Includes a base plate, a first limiting component, and a contour positioning component; wherein: The first limiting component is movably mounted on the base plate and is used to circumferentially limit the product to be positioned. The contour positioning component is movably mounted on the base plate and located inside the first limiting component to abut and position the arc-shaped part of the product to be positioned.

2. The positioning device of claim 1, wherein, The base plate is provided with several hollowed-out weight-reducing holes and is made of bakelite material.

3. The positioning device of claim 1, wherein, The first limiting component includes a first slide rail, left and right baffles, a second slide rail, and front and rear baffles; wherein: The first slide rail extends along the first direction of the base plate; The left and right baffles are respectively slidably disposed at both ends of the first slide rail; The second slide rail extends along the second direction of the base plate and is slidably connected to the first slide rail; The front and rear baffles are respectively slidably disposed at both ends of the second slide rail.

4. The positioning device of claim 3, wherein, There are two sets of front and rear baffles, which are spaced apart along the first direction of the base plate.

5. The positioning device of claim 3, wherein, The left and right baffles are slidably connected to the first slide rail via a first base; and / or, the front and rear baffles are slidably connected to the second slide rail via a second base; and / or, the second slide rail is slidably connected to the first slide rail via a third base.

6. The positioning device of claim 3, wherein, The left and right baffles include a first lower baffle, a first upper baffle, and a first height adjustment structure; the first upper baffle is movably mounted on the first lower baffle via the first height adjustment structure; and / or, the front and rear baffles include a second lower baffle, a second upper baffle, and a second height adjustment structure; the second upper baffle is movably mounted on the second lower baffle via the second height adjustment structure.

7. The positioning device of claim 6, wherein, The first height adjustment structure includes an adjusting rod, an adjusting nut, and an adjusting hole; the adjusting rod passes through the top of the first lower baffle; the adjusting hole is opened on the first lower baffle, and the adjusting nut is screwed into the adjusting hole, with its end abutting against the adjusting rod.

8. The positioning device of claim 3, wherein, The contour positioning assembly includes a fourth base, a flexible clamp, and a third slide rail; wherein: The fourth base extends along the second direction of the base plate and is slidably connected to the first slide rail; The third slide rail is mounted on the fourth base; The flexible clamps are slidably mounted at both ends of the third slide rail.

9. The positioning device of claim 8, wherein, The number of the contour positioning components is three sets, which are respectively set between the left and right baffles and the front and rear baffles.

10. The positioning device of claim 3, wherein, It also includes handles, which are fixed to both ends of the base plate.

11. The positioning device of claim 1, wherein, It also includes a positioning detection element disposed on the first limiting component.

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