Measuring assembly, transferring device and wearable equipment assembling device

Abstract

The utility model relates to the technical field of measurement, in particular to a measuring assembly, a transferring device and a wearable equipment assembling device. The measuring assembly comprises a positioning plate, a guide rail part, a driving part, a connecting part, a magnetic force part and a measuring part, the guide rail part comprises a linear guide rail and a sliding piece, the linear guide rail is connected with the positioning plate, the sliding piece is connected with the linear guide rail in a sliding mode, and the driving part comprises a driving piece reciprocating in the first direction. The connecting part comprises a first connecting piece and a second connecting piece which are connected in a separable mode, the first connecting piece is connected with the driving piece, the second connecting piece is connected with the sliding piece, the first connecting piece is in magnetic attraction fit with the second connecting piece through the magnetic force part, and the measuring part is connected with the second connecting piece. The connecting part comprises a first connecting piece and a second connecting piece which are detachably connected through magnetic attraction matching of the magnetic force part, automatic correction is allowed when slight deviation occurs, and the parallelism and precision in the movement process are further enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of measurement, and in particular to a measuring component, a transfer device and a wearable device assembly device. Background Art

[0002] In the production process of augmented reality (AR) glasses, the precise assembly of the optomechanics and waveguides is a key step to ensure the quality of the final product. Traditionally, this process involves using a displacement sensor to move along the X-axis to measure multiple marking points on the optomechanic assembly surface, fitting an ideal plane through the height data of these points, and then leveling the optomechanics and waveguides. However, this method faces significant technical challenges, especially in terms of walking flatness and the stability of the height measurement value.

[0003] In the prior art, since the displacement sensor is often restricted by the mechanical system during movement, the walking flatness difference is large. This flatness difference will directly affect the accuracy of the height measurement, because even a small walking error will cause the height measurement data to be unstable, which in turn affects the fitting result of the entire plane. This inaccurate fitting will cause the optical machine and the waveguide to fail to achieve the ideal parallelism during assembly, thus affecting the optical performance and user experience of AR glasses. Utility Model Content

[0004] The purpose of the utility model is to at least solve the problem of low parallelism that often occurs during the process of displacement sensor moving height measurement. This purpose is achieved through the following technical solutions:

[0005] The first aspect of the utility model provides a measurement component, comprising:

[0006] Positioning plate;

[0007] A guide rail portion, the guide rail portion comprising a linear guide rail and a sliding member, the linear guide rail being connected to the positioning plate, and the sliding member being slidably connected to the linear guide rail;

[0008] A driving part, the driving part is connected to the positioning plate, and the driving part includes a driving member that reciprocates along a first direction, and the first direction is a sliding direction of the sliding member;

[0009] A connecting portion, the connecting portion comprising a first connecting member and a second connecting member connected in a detachable manner, the first connecting member being connected to the driving member, and the second connecting member being connected to the sliding member;

[0010] A magnetic part, through which the first connecting member is magnetically matched with the second connecting member;

[0011] A measuring part connected to the second connecting member.

[0012] According to the measuring assembly of the utility model, a linear guide and a sliding member are combined, wherein the linear guide is fixed on the positioning plate, and the sliding member is slidably connected to the linear guide, ensuring that the movement of the sliding member on the linear guide maintains a high degree of linearity, effectively reducing the error caused by the non-parallelism of the guide rails, and at the same time, the connecting part includes a first connecting member and a second connecting member, which are detachably connected through the magnetic attraction of the magnetic part. This magnetic connection not only provides sufficient structural stability, but also allows automatic correction when a slight offset occurs, further enhancing the parallelism and accuracy during the movement. Therefore, the utility model significantly improves the walking parallelism of the measuring part during the mobile height measurement process.

[0013] In addition, the measuring assembly according to the utility model may also have the following additional technical features:

[0014] In some embodiments of the utility model, the first connecting member is provided with a first accommodating groove, the second connecting member is provided with a second accommodating groove arranged corresponding to the first accommodating groove, the opening directions of the first accommodating groove and the second accommodating groove are arranged relatively to each other, and the magnetic part includes a first magnet and a second magnet that are magnetically matched, the first magnet is arranged in the first accommodating groove, and the second magnet is arranged in the second accommodating groove.

[0015] In some embodiments of the present invention, the first connecting member is a first connecting plate, the second connecting member includes a second connecting plate and a fixed plate connected to each other, the first accommodating groove is provided on the first connecting plate, the second accommodating groove is provided on the second connecting plate, and the fixed plate is connected to the sliding member.

[0016] In some embodiments of the utility model, there are multiple first accommodating grooves, which are arranged at intervals on the first connecting plate, and each of the first accommodating grooves is provided with the first magnet. There are multiple second accommodating grooves, which are arranged one-to-one with the second accommodating grooves, and each of the second accommodating grooves is provided with the second magnet.

[0017] In some embodiments of the present invention, the measuring assembly further comprises a guide rod, the first connecting plate is provided with a first through hole, the second connecting plate is provided with a second through hole, the guide rod is slidably disposed in the second through hole and is interference fit with the first through hole.

[0018] In some embodiments of the present invention, the linear guide rail is a T-shaped guide rail, the sliding member is a slider having a groove, the web of the T-shaped guide rail is connected to the positioning plate, and the top plate of the T-shaped guide rail is slidably disposed in the groove.

[0019] In some embodiments of the present invention, the driving unit includes an electric cylinder, and the driving member is an output shaft of the electric cylinder.

[0020] In some embodiments of the present invention, the measuring device is a laser displacement sensor.

[0021] The second aspect of the utility model provides a transfer device, comprising:

[0022] case;

[0023] The above-mentioned measuring assembly, wherein the measuring assembly is connected to the housing;

[0024] A bearing assembly, the bearing assembly is connected to the housing and is used to place the bearing component to a waiting position according to the measurement data of the measurement assembly;

[0025] A control component is electrically connected to the measuring component and the carrying component respectively.

[0026] The third aspect of the present invention provides a wearable device assembly device, comprising:

[0027] The above-mentioned transfer device;

[0028] A feeding device is used to provide the carrier to the transfer device. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not to be considered as limiting the present invention. Moreover, the same reference numerals are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0030] Figure 1 The exploded structure diagram of the measuring assembly according to the embodiment of the utility model is schematically shown;

[0031] Figure 2 The structure diagram of the measuring assembly according to the embodiment of the utility model is schematically shown;

[0032] Figure 3 Schematically shows a front view of a measuring assembly according to an embodiment of the present utility model;

[0033] Figure 4 The schematic diagram of the structure of the connecting part and the guide rail part according to the embodiment of the utility model is schematically shown;

[0034] Figure 5 Schematically shows a front view of a connecting portion and a guide rail portion according to an embodiment of the utility model;

[0035] Figure 6 The schematic diagram of the structure of the first connecting plate and the second connecting plate according to the embodiment of the utility model is schematically shown;

[0036] Figure 7 Schematically shows a left view of a first connecting plate and a second connecting plate according to an embodiment of the utility model;

[0037] Figure 8 for Figure 7 Sectional view of the AA plane;

[0038] Fig. 9 The schematic diagram of the structure of the driving part according to the embodiment of the utility model is schematically shown.

[0039] The reference numerals are as follows:

[0040] 100. Measurement components;

[0041] 10. Positioning plate;

[0042] 20. Guide rail; 21. Linear guide rail; 22. Sliding member;

[0043] 30. Connecting part; 31. First connecting member; 311. First receiving groove; 312. First through hole; 32. Second connecting member; 321. Second connecting plate; 3211. Second receiving groove; 3212. Second through hole; 322. Fixing plate; 33. Guide rod;

[0044] 40. Magnetic part; 41. First magnet; 411. Bolt; 42. Second magnet;

[0045] 50. Measurement unit; 51. Data transmission line;

[0046] 60. Driving unit; 61. Driving element; 62. Control device. DETAILED DESCRIPTION

[0047] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0048] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0049] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0050] For ease of description, spatial relative terms may be used herein to describe the relationship of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure is turned over, then the elements described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." can include both above and below orientations.

[0051] like Figures 1 to 9As shown, according to an embodiment of the utility model, a measuring component 100 is proposed, including a positioning plate 10, a guide rail portion 20, a driving portion 60, a connecting portion 30, a magnetic portion 40 and a measuring portion 50, wherein the guide rail portion 20 includes a linear guide 21 and a sliding member 22, the linear guide 21 is connected to the positioning plate 10, the sliding member 22 is slidably connected to the linear guide 21, the driving portion 60 is also connected to the positioning plate 10, and the driving portion 60 includes a driving member 61 that reciprocates along a first direction, the first direction is the sliding direction of the sliding member 22, the connecting portion 30 includes a first connecting member 31 and a second connecting member 32 that are detachably connected, the first connecting member 31 is connected to the driving member 61, the second connecting member 32 is connected to the sliding member 22, the first connecting member 31 is magnetically matched with the second connecting member 32 through the magnetic portion 40, and the measuring portion 50 is connected to the second connecting member 32.

[0052] According to the measuring assembly 100 of this embodiment, a linear guide 21 and a sliding member 22 are combined, wherein the linear guide 21 is fixed on the positioning plate 10, and the sliding member 22 is slidably connected to the linear guide 21, ensuring that the movement of the sliding member 22 on the linear guide 21 maintains a high degree of linearity, effectively reducing the error caused by the non-parallelism of the guide rails, and at the same time, the connecting part 30 includes a first connecting member 31 and a second connecting member 32, which are detachably connected through the magnetic attraction of the magnetic part 40. This magnetic connection not only provides sufficient structural stability, but also allows automatic correction when a slight offset occurs, further enhancing the parallelism and accuracy during the movement. Therefore, this embodiment significantly improves the walking parallelism of the measuring part 50 during the mobile height measurement process.

[0053] like Figure 8 As shown, in some embodiments, the first connector 31 is provided with a first receiving groove 311, the second connector 32 is provided with a second receiving groove 3211 corresponding to the first receiving groove 311, the opening directions of the first receiving groove 311 and the second receiving groove 3211 are arranged oppositely, and the magnetic part 40 includes a first magnet 41 and a second magnet 42 that are magnetically matched, the first magnet 41 is arranged in the first receiving groove 311, and the second magnet 42 is arranged in the second receiving groove 3211. Through the design of the receiving groove and the magnet, the first connector 31 and the second connector 32 can achieve strong magnetic attraction when they are engaged. This magnetic connection method is more stable than the traditional mechanical connection, can effectively resist vibration and impact, and reduce the error caused by loose connection. The corresponding design of the first receiving groove 311 and the second receiving groove 3211 ensures that when the two connectors are engaged, the first magnet 41 and the second magnet 42 can be accurately aligned, thereby achieving high-precision alignment. This precise alignment is crucial to ensure the accuracy of the measurement part 50, especially in precision measurement applications.

[0054] Specifically, a through hole is formed at the bottom of the first receiving groove 311, and another through hole is formed at the bottom of the second receiving groove 3211. When the bottom of the first receiving groove 311 abuts against the bottom of the second receiving groove 3211, the two through holes are connected. The bottoms of the first receiving groove 311 and the second receiving groove 3211 each have a through hole formed therein. When the two connectors are connected, the two through holes form a connected channel, thereby increasing the magnetic attraction between the first magnet 41 and the second magnet 42.

[0055] Specifically, the first magnet 41 can be detachably disposed in the first receiving groove 311, specifically, the first connecting member 31 is provided with a top screw hole connected to the first receiving groove 311, wherein the bolt 411 threaded in the top screw hole is used to abut and fix the first magnet 41. This design allows the first magnet 41 to maintain the correct position when being fixed, thereby ensuring the maximum efficiency of the magnetic force. Using the bolt 411 to fix the first magnet 41 through the top screw hole provides a simple and effective mechanism, which allows the first magnet 41 to remain stable during operation, and is also convenient for quick disassembly when replacement or maintenance is required.

[0056] It is understandable that if Figure 4 and Figure 5 As shown, the first connecting member 31 is a first connecting plate, the second connecting member 32 includes a second connecting plate 321 and a fixed plate 322 connected to each other, the first receiving groove 311 is provided on the first connecting plate, the second receiving groove 3211 is provided on the second connecting plate 321, and the fixed plate 322 is connected to the sliding member 22. The first connecting plate is in a Z-shape, and the Z-shaped first connecting plate structure provides higher rigidity and stability, reduces bending or twisting during movement and operation, and thus improves the reliability and durability of the overall equipment. Among them, one end of the first connecting plate is the first part, and the other end of the first connecting plate is the second part. The first part is provided with a bearing hole, and the driving member 61 of the driving part 60 is an output shaft, and the output shaft is interference-fitted with the bearing hole. The second part is provided with a first receiving groove 311, and is arranged corresponding to the second receiving groove 3211 of the second connecting plate 321. The second connecting plate 321 and the fixed plate 322 are arranged perpendicular to each other, so that the force can be better transmitted to the sliding member 22, ensuring the accuracy and consistency of the measurement or operation process.

[0057] It is understandable that if Figure 7As shown, there are multiple first receiving grooves 311, each of which is provided with a first magnet 41 and is arranged at intervals on the first connecting plate. There are also multiple second receiving grooves 3211, each of which is provided with a second magnet 42, and the first receiving grooves 311 and the second receiving grooves 3211 are arranged one by one. Specifically, there are three first receiving grooves 311, which are arranged at intervals on the lower edge of the second part of the first connecting plate. The lower edge of the second part of the first connecting plate is provided with three first receiving grooves 311 arranged at intervals, and a first magnet 41 is installed in each first receiving groove 311. This interval arrangement helps to disperse the force of the connection point and improve the stability of the connection. The second connecting plate 321 is also designed with three second receiving grooves 3211 accordingly, each corresponding to a first receiving groove 311, to ensure that each pair of magnets can be accurately aligned and generate corresponding magnetic connection. This multi-point connection method can more effectively distribute the mechanical pressure generated during the connection and reduce the damage to the magnet or connection failure caused by single-point overload.

[0058] It is understandable that if Figures 6 to 8 As shown, the measuring assembly 100 further includes a guide rod 33, a first connecting plate is provided with a first through hole 312, a second connecting plate 321 is provided with a second through hole 3212, and the guide rod 33 is slidably arranged in the second through hole 3212 and is interference-fitted with the first through hole 312. The first connecting plate is provided with a first through hole 312, which is used to be interference-fitted with the guide rod 33, and this matching mode provides good position fixing and force transmission capabilities. The second connecting plate 321 is provided with a second through hole 3212, which can be slidably matched with the guide rod 33. This design allows the guide rod 33 to slide freely during measurement or operation, while maintaining good guidance and position accuracy. The combination of the sliding fit of the guide rod 33 in the second through hole 3212 and the interference fit in the first through hole 312 achieves a balance between existing stability and flexibility. This structure ensures that the guide rod 33 can move freely and maintain the required precise position during operation.

[0059] In some embodiments, Figure 4As shown, the linear guide 21 is a T-type guide, and the sliding member 22 is a slider with a groove. The web of the T-type guide is connected to the positioning plate 10, and the top plate of the T-type guide is slidably arranged in the groove. The web of the guide is connected to the positioning plate 10, providing basic support for the structure. The top plate of the T-type guide is designed to cooperate with the groove of the slider, so as to allow the slider to move smoothly along the top plate of the guide. The slider is designed with a groove that matches the top plate of the T-type guide. This groove ensures that the slider can be stably maintained on the guide during movement, preventing the slider from detaching from the guide or swinging. The slidable manner of the slider on the top plate of the T-type guide allows the slider to move freely within the necessary operating range, and at the same time, due to the precise matching of the groove and the top plate, the smoothness of the movement and the alignment accuracy are ensured. Further, the precise matching of the groove and the top plate of the T-type guide ensures that the movement of the slider along the guide is very smooth and precise, which is very important for applications requiring high-precision position control (such as automated machinery, precision measuring equipment, etc.).

[0060] In some embodiments, the drive unit 60 includes an electric cylinder, and the drive member 61 is the output shaft of the electric cylinder. The electric cylinder includes a motor, a screw and a nut, and the rotation of the motor is converted into linear motion through the screw. The output shaft of the electric cylinder is directly connected to the nut, and as the electric cylinder motor rotates, the linear motion of the screw drives the output shaft to move. The output shaft is connected to a flange or a connecting plate, which can be directly connected to the first connecting plate. The connecting device ensures a stable and reliable connection between the output shaft and the sliding member 22, allowing the linear motion of the output shaft to be converted into the sliding motion of the sliding member 22 through the connecting portion 30. In addition, the main body of the electric cylinder is fixed on the positioning plate 10, which is the main structural part of the measuring assembly 100 and provides the stable support required by the electric cylinder. The positioning plate 10 is designed with a mounting hole or a base for mounting the electric cylinder and ensuring its alignment and stability during operation.

[0061] It is understandable that if Fig. 9 As shown, the drive unit 60 also includes a control device 62, and the electric cylinder is electrically connected to the control device 62. The control device 62 controls the output shaft of the electric cylinder to reciprocate along the X axis. The control device 62 is connected to the motor of the electric cylinder through a cable to transmit control signals and electrical energy. This connection ensures that the control command can be quickly and accurately transmitted to the electric cylinder. The electric cylinder equipped with the control device 62 can perform extremely precise reciprocating motion and is suitable for automation tasks that require delicate operations. This precision is critical to improving product quality and reducing waste.

[0062] It is understandable that if Figures 1 to 3As shown, the measuring device is a laser displacement sensor, and the laser displacement sensor includes a data transmission line 51. The laser displacement sensor provides non-contact high-precision measurement, can quickly and continuously provide distance data, and is very suitable for dynamic measurement environments, such as online production monitoring or quality control. The data transmission line 51 feeds back the measured height data to the control system.

[0063] Specifically, a mounting base is provided on the fixing plate 322, and the mounting base is specifically used to mount the laser displacement sensor. The mounting base should provide stable support and ensure that the sensor can be aligned with its measurement axis. In order to enable the laser displacement sensor to finely adjust its position or angle, the mounting base may include a fine-tuning screw or a sliding slot. Such a design allows the operator to fine-tune the sensor after installation to optimize the measurement accuracy.

[0064] It can be understood that the positioning plate 10 is provided with a plurality of mounting holes, and these mounting holes are used to mount the measuring component 100 on other components to cooperate therewith. For example, the positioning plate 10 can be connected to the housing of the transfer device.

[0065] The working principle of the measuring assembly 100 is as follows: first, the output shaft of the electric cylinder is directly connected to the driving interface (such as a bearing hole or a flange) of the first connecting plate. When the electric cylinder is activated, its output shaft performs a linear reciprocating motion along the X axis, and this motion is transmitted through the first connecting plate. The first connecting plate is connected to the second connecting plate 321 through the magnetic part 40. The magnetic part 40 generally includes magnets mounted on the first and second connecting plates 321, which can ensure a stable and adjustable connection between the two plates. When the first connecting plate is pushed by the electric cylinder, the magnetic connection ensures that the second connecting plate 321 also moves. The second connecting plate 321 is fixedly connected to the fixed plate 322 by a mechanical connection method (such as welding, etc.). This fixed connection transmits the force from the electric cylinder through the first and second connecting plates 321. The fixed plate 322 is directly connected to the slider, which is assembled on the linear guide 21. The movement of the fixed plate 322 causes the slider to perform a linear motion along the guide rail, and the linear guide 21 ensures that the movement direction of the slider is correct and stable, avoiding deviations in the lateral or perpendicular direction to the movement direction. By directly driving the first connecting plate through the electric cylinder, precise motion control can be achieved. The speed and position accuracy of the electric cylinder directly determine the motion characteristics of the slider, which is suitable for applications requiring high-precision positioning.

[0066] This embodiment also proposes a transfer device, including a shell, a measuring component 100, a carrying component and a control component. The measuring component 100 is connected to the shell, and the carrying component is connected to the shell to place the carrier to a waiting position according to the measurement data of the measuring component 100. The control component is electrically connected to the measuring component 100 and the carrying component respectively. Through the integrated measurement and carrying system, the placement of materials can be completed automatically, quickly and accurately, which greatly improves the operating efficiency and the automation level of the production line.

[0067] This embodiment also proposes a wearable device assembly device, specifically an assembly device for AR glasses, including the above-mentioned transfer device and feeding device, the transfer device can accurately assemble the optical machine and the waveguide according to the data measured by the measuring component 100, and the feeding device is used to provide a carrier to the transfer device. The carrier uses a built-in measuring component 100 (such as a laser displacement sensor) to measure and determine the relative position of the ideal plane of the optical machine and the waveguide, and accurately assembles the two components according to these measurement data. In addition, the feeding device is responsible for providing the required carriers, such as waveguides, to the transfer device to ensure continuous and accurate material supply during the assembly process. This integrated system design makes the assembly process of AR glasses more efficient and accurate, greatly improving production efficiency and product quality.

[0068] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A measuring component, characterized in that: include: Positioning plate; A guide rail portion, the guide rail portion comprising a linear guide rail and a sliding member, the linear guide rail being connected to the positioning plate, and the sliding member being slidably connected to the linear guide rail; A driving part, the driving part is connected to the positioning plate, and the driving part includes a driving member that reciprocates along a first direction, and the first direction is a sliding direction of the sliding member; A connecting portion, the connecting portion comprising a first connecting member and a second connecting member connected in a detachable manner, the first connecting member being connected to the driving member, and the second connecting member being connected to the sliding member; A magnetic part, through which the first connecting member is magnetically matched with the second connecting member; A measuring part connected to the second connecting member.

2. The measuring assembly according to claim 1, characterized in that The first connecting member is provided with a first accommodating groove, and the second connecting member is provided with a second accommodating groove arranged corresponding to the first accommodating groove. The opening directions of the first accommodating groove and the second accommodating groove are arranged relatively to each other. The magnetic part includes a first magnet and a second magnet that are magnetically matched. The first magnet is arranged in the first accommodating groove, and the second magnet is arranged in the second accommodating groove.

3. The measuring assembly according to claim 2, characterized in that The first connecting member is a first connecting plate, the second connecting member includes a second connecting plate and a fixed plate connected to each other, the first accommodating groove is provided on the first connecting plate, the second accommodating groove is provided on the second connecting plate, and the fixed plate is connected to the sliding member.

4. The measuring assembly according to claim 3, characterized in that There are multiple first accommodating grooves, which are arranged at intervals on the first connecting plate, and each of the first accommodating grooves is provided with the first magnet. There are multiple second accommodating grooves, which are arranged one-to-one with the second accommodating grooves, and each of the second accommodating grooves is provided with the second magnet.

5. The measuring assembly according to claim 3, characterized in that The measuring assembly further includes a guide rod, the first connecting plate is provided with a first through hole, the second connecting plate is provided with a second through hole, the guide rod is slidably disposed in the second through hole and is interference-fitted with the first through hole.

6. The measuring assembly according to any one of claims 1 to 5, characterized in that The linear guide rail is a T-shaped guide rail, the sliding member is a sliding block with a groove, the web of the T-shaped guide rail is connected to the positioning plate, and the top plate of the T-shaped guide rail is slidably arranged in the groove.

7. The measuring assembly according to any one of claims 1 to 5, characterized in that The driving part comprises an electric cylinder, and the driving member is an output shaft of the electric cylinder.

8. The measuring assembly according to any one of claims 1 to 5, characterized in that The measuring device is a laser displacement sensor.

9. A transfer device, characterized in that: include: case; The measuring assembly according to any one of claims 1 to 8, wherein the measuring assembly is connected to the housing; A bearing assembly, the bearing assembly is connected to the housing and is used to place the bearing component to a waiting position according to the measurement data of the measurement assembly; A control component is electrically connected to the measuring component and the carrying component respectively.

10. A wearable device assembly device, characterized in that: include: The transfer device according to claim 9; A feeding device is used to provide the carrier to the transfer device.

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