Flow transfer device and watch testing apparatus

Abstract

This utility model belongs to the field of watch testing technology, and particularly relates to a transfer device and watch testing equipment, used in conjunction with a testing device for testing materials. The transfer device includes a frame, a first conveyor line, a second conveyor line spaced apart from the first conveyor line, a third conveyor line spaced apart from the second conveyor line, and a material transfer structure. One side of the frame has spaced-apart loading and unloading stations. The first and third conveyor lines correspond to the loading and unloading stations, respectively. The first conveyor line receives materials at the loading station. The material transfer structure picks up materials from the first conveyor line and moves them to the testing device. The material transfer structure also transfers qualified materials from the testing device to the second conveyor line and unqualified materials from the testing device to the third conveyor line. The third conveyor line unloads materials at the first unloading station. This utility model can improve production efficiency and reduce labor costs.

Description

Technical Field

[0001] This utility model belongs to the field of watch testing technology, and particularly relates to a circulation device and watch testing equipment. Background Technology

[0002] In the watch manufacturing and quality control process, the reliability of the lug assembly is a crucial consideration for ensuring wearing safety and enhancing the user experience. As prominent structures connecting the watch case to the strap or bracelet, the lugs typically have holes or grooves inside. Their connection relies on a spring-loaded connecting rod at both ends, which must be precisely inserted into the lug hole to securely hold the strap or bracelet in place. The strength of this connection directly affects whether the watch will accidentally come loose during use. A key parameter for measuring the quality of this assembly is the damping force generated when the lug rotates relative to the case. Therefore, this vital damping force data needs to be obtained by testing the torque of the lug rotation.

[0003] During testing, the watch testing equipment needs to be loaded and unloaded using a loading and unloading device. However, the existing loading and unloading devices can only manually classify qualified and unqualified products after testing, which is inefficient and greatly affects production efficiency. Utility Model Content

[0004] The purpose of this application is to provide a transfer device and a watch testing equipment, which aims to solve the problems of how to improve production efficiency and how to reduce labor costs.

[0005] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0006] In a first aspect, a transfer device is provided for use with a testing device for testing materials. The testing device includes a frame spaced apart from the testing device, a first conveyor line disposed on the frame, a second conveyor line spaced apart from the first conveyor line, a third conveyor line spaced apart from the second conveyor line, and a material transfer structure disposed on the frame. One side of the frame has a loading station and a first unloading station spaced apart. The first conveyor line and the third conveyor line correspond to the loading station and the first unloading station, respectively. The first conveyor line receives the material at the loading station. The material transfer structure is used to pick up the material from the first conveyor line and move the material to the testing device. The material transfer structure is also used to transfer the tested and qualified material from the testing device to the second conveyor line and to transfer the tested and unqualified material from the testing device to the third conveyor line. The third conveyor line unloads the material at the first unloading station.

[0007] In some embodiments, the transfer device is further provided with a second unloading station, the second conveyor line corresponds to the second unloading station, the second conveyor line unloads the tested qualified material at the second unloading station, and the first unloading station and the second unloading station are respectively located on opposite sides of the frame.

[0008] In some embodiments, the first conveyor line extends along a first direction, and the extension directions of the second conveyor line and the third conveyor line are parallel to the first direction.

[0009] In some embodiments, multiple first conveyor lines are arranged at intervals along a second direction, which is perpendicular to the first direction.

[0010] In some embodiments, the material transfer structure includes a linear motion structure and a picking mechanism slidably disposed on the linear motion structure. The linear motion structure is adjacent to the testing device. The linear motion structure is used to drive the picking mechanism to move in three-dimensional space. The picking mechanism is used to pick up the material.

[0011] In some embodiments, the material transfer structure further includes a rotary drive platform slidably disposed on the linear motion structure, the picking mechanism being rotatably connected to the rotary drive platform, the rotary drive platform being used to drive the picking mechanism to rotate around a preset axis, the preset axis extending in the vertical direction.

[0012] In some embodiments, the picking mechanism includes a base rotatably connected to the rotary drive platform, a suction cup connected to the base and used to adsorb the material, a clamping member slidably connected to the base, and a driving member connected to the base. Two clamping members are arranged at intervals and the two clamping members are respectively located on opposite sides of the suction cup. The driving member is used to drive the two clamping members to move towards each other to clamp the material adsorbed on the suction cup.

[0013] In some embodiments, the material transfer structure further includes an identification structure connected to the linear motion structure, the identification structure being used to scan the material picked up by the picking mechanism to read information about the material.

[0014] In some embodiments, the transfer device further includes a conveying structure slidably connected to the frame, the conveying structure corresponding to the loading station, the conveying structure being used to dock with external equipment to receive the material from the external equipment and load the material onto the first conveyor line.

[0015] Secondly, a watch testing device is provided, including the aforementioned transfer device.

[0016] The transfer device provided in this application has a material transfer structure that can transfer materials fed from the loading station to the first conveyor line to the testing device for testing. After testing, the material transfer structure transfers qualified materials from the testing device to the second conveyor line and unqualified materials from the testing device to the third conveyor line. Thus, the transfer device of this application can automatically transfer qualified and unqualified materials to different positions to facilitate subsequent material processing and improve production efficiency. Furthermore, the loading station and the first unloading station are located on the same side of the frame, which allows operators to simultaneously monitor the loading status of materials to be tested on the first conveyor line and the unloading status of unqualified materials on the third conveyor line. Therefore, it is not necessary to arrange operators at both the loading station and the first unloading station, thereby reducing labor costs. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or exemplary technologies 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.

[0018] Figure 1 This is a schematic diagram of the overall structure of the transfer device provided in the embodiments of this application;

[0019] Figure 2 This is a partial structural schematic diagram of the transfer device provided in the embodiments of this application;

[0020] Figure 3 This is a partial structural schematic diagram of the material transfer structure provided in the embodiments of this application.

[0021] The following are the labeling elements in the figure:

[0022] 10. First conveyor line; 20. Second conveyor line; 30. Third conveyor line; 40. Frame; 50. Material transfer structure; 51. Linear movement structure; 52. Pick-up mechanism; 521. Base; 522. Suction cup; 523. Clamping component; 524. Driving component; 525. Lifting drive cylinder; 53. Rotary drive platform; 54. Identification structure; 60. Handling structure; 200. Testing device; 300. Loading station; 400. First unloading station; 500. Second unloading station. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0024] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component 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.

[0025] 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 utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0026] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0027] Please see Figures 1 to 3This application provides a transfer device for use with a testing device 200, which is used to test materials. The transfer device includes a frame 40 spaced apart from the testing device, a first conveyor line 10 arranged on the frame 40, a second conveyor line 20 spaced apart from the first conveyor line 10, a third conveyor line 30 spaced apart from the second conveyor line 20, and a material transfer structure 50 arranged on the frame 40. One side of the frame 40 is provided with a loading station 300 and a first unloading station 400 arranged at intervals. Conveyor line 10 and third conveyor line 30 correspond to loading station 300 and first unloading station 400, respectively. First conveyor line 10 receives materials at loading station 300. Transfer structure 50 is used to pick up materials from first conveyor line 10 and move the materials to testing device 200. Transfer structure 50 is also used to transfer qualified materials from testing device 200 to second conveyor line 20 and unqualified materials from testing device 200 to third conveyor line 30. Third conveyor line 30 unloads materials at first unloading station 400.

[0028] It should be noted that the testing device 200 in this embodiment can be used to detect the damping force data of materials. In a specific embodiment, the material is a watch, which includes a case and lugs. The lugs are protruding parts on both sides of the case for connecting the watch strap or bracelet. They are usually designed with holes or grooves inside. The spring rod, as a connecting block, has compression springs at both ends and needs to be precisely inserted into the lug holes to fix the watch strap or bracelet. Therefore, the testing device 200 in this embodiment can detect the torque of the lugs rotating relative to the case, thereby obtaining the damping force of the lugs. This damping force is a core indicator for evaluating the assembly quality of the watch. The material transfer structure 50 is connected to the testing device 200. The material transfer structure 50 is used to pick up materials from the first conveyor line 10 and move the materials to the testing device 200 for testing. After the test is completed, according to the test structure, the material transfer structure 50 transfers the qualified materials from the testing device 200 to the second conveyor line 20, and transfers the unqualified materials from the testing device 200 to the third conveyor line 30.

[0029] Understandably, the first conveyor line 10, the second conveyor line 20, and the third conveyor line 30 can all drive materials forward. Understandably, the loading station 300 is used to load materials. The loading station 300 can connect to transfer trolleys, etc. The loading station 300 loads materials onto the first conveyor line 10, and the material transfer structure 50 can transfer the materials on the first conveyor line 10 to the testing device 200 for testing.

[0030] In this embodiment, the first unloading station 400 and the loading station 300 are arranged on the same side of the frame 40. The third conveyor line 30 unloads materials that fail the inspection at the first unloading station 400. By setting up the third conveyor line 30, materials that fail the inspection can be returned separately. Specifically, the inlet end of the third conveyor line 30 is connected to the material transfer structure 50, and the outlet end of the third conveyor line 30 is connected to the first unloading station 400. By connecting the feed end of the third conveyor line 30 to the transfer structure 50 and the discharge end of the third conveyor line 30 to the first unloading station 400, the feed end of the third conveyor line 30 receives the material from the transfer structure 50 and conveys it to the first unloading station 400 for unloading. Since the first unloading station 400 and the loading station 300 are set on the same side of the frame 40, that is, the first unloading station 400 is set next to the loading station 300, and the distance between the first unloading station 400 and the loading station 300 is relatively close, it is convenient for the operator to simultaneously check the loading status of the material to be tested on the first conveyor line 10 and the unloading status of the unqualified material on the third conveyor line 30.

[0031] The transfer device provided in this application allows the material transfer structure 50 to transfer materials fed from the loading station 300 to the first conveyor line 10 to the testing device 200 for testing. After testing, the material transfer structure 50 transfers qualified materials from the testing device 200 to the second conveyor line 20, and unqualified materials from the testing device 200 to the third conveyor line 30. Thus, the transfer device of this application can automatically transfer qualified and unqualified materials to different positions to facilitate subsequent material processing and improve production efficiency. Furthermore, the loading station 300 and the first unloading station 400 are located on the same side of the frame 40, allowing operators to simultaneously monitor the loading status of the materials to be tested on the first conveyor line 10 and the unloading status of the unqualified materials on the third conveyor line 30. Therefore, it is not necessary to arrange operators at both the loading station 300 and the first unloading station 400, thereby reducing labor costs.

[0032] Understandably, this application also includes a control system (not shown in the figure). The first conveyor line 10, the second conveyor line 20, the third conveyor line 30, the testing device 200, and the material transfer structure 50 are all communicatively connected to the control system. The control system can control the first conveyor line 10, the second conveyor line 20, the third conveyor line 30, the testing device 200, and the material transfer structure 50 to automatically coordinate and operate, thereby reducing the impact of human factors and improving production efficiency.

[0033] Specifically, the first conveyor line 10, the second conveyor line 20, and the third conveyor line 30 in the embodiments of this application can all be belt transmission structures. The belt transmission structure consists of a driving pulley, a driven pulley, and an annular belt tensioned on the two pulleys. Due to the tension, a clamping force is generated at the contact part between the belt and the pulley. When the driving pulley rotates, it drives the belt by friction, and the belt drives the driven pulley to rotate. Because the belt drive works by friction, it can effectively mitigate the impact of the load, and the operation is smooth and noiseless.

[0034] In some embodiments, the transfer device further includes a second unloading station 500, with a second conveyor line 20 corresponding to the second unloading station 500. The second conveyor line 20 unloads tested and qualified materials at the second unloading station 500. The first unloading station 400 and the second unloading station 500 are located on opposite sides of the frame 40. By setting the second unloading station 500 on the side of the frame 40 away from the first unloading station 400, the side of the frame 40 away from the first unloading station 400 can connect to the equipment of the next process. After receiving the tested and qualified materials, the second conveyor line 20 can continue to transport the tested and qualified materials forward, thereby improving the material transfer efficiency.

[0035] In some embodiments, such as Figure 1 and Figure 2 As shown, the first conveyor line 10 extends along the first direction a, and the extension directions of the second conveyor line 20 and the third conveyor line 30 are parallel to the first direction a. That is, the conveying directions of the first conveyor line 10, the second conveyor line 20 and the third conveyor line 30 are parallel to each other. Therefore, the conveying route and layout of the transfer device of this application are more regular, and the structure of the transfer device of this application is also more compact.

[0036] Furthermore, the first conveyor line 10, the second conveyor line 20, and the third conveyor line 30 are arranged at intervals along the second direction b, and the first direction a and the second direction b are perpendicular to each other, thereby further improving the regularity and aesthetics of the conveying route and layout of the transfer device.

[0037] In some embodiments, such as Figure 1 and Figure 2As shown, multiple first conveyor lines 10 are arranged at intervals along the second direction b, which is perpendicular to the first direction a. It should be noted that the multiple first conveyor lines 10 are independent of each other, and each can convey materials. Specifically, when there are many materials to be tested, multiple transfer devices can be arranged along the first direction a in this embodiment. Furthermore, the material on one of the first conveyor lines 10 of the previous transfer device can be prevented from being picked up by the material transfer structure 50, allowing the material on that first conveyor line 10 to continue being conveyed to the next transfer device. This enables simultaneous feeding and testing of multiple transfer devices, greatly improving production efficiency and avoiding production interruptions. Specifically, in this embodiment, two first conveyor lines 10 are arranged at intervals along the second direction b, and these two first conveyor lines 10 are positioned between the second conveyor line 20 and the third conveyor line 30.

[0038] In some embodiments, the material transfer structure 50 includes a linear motion structure 51 and a picking mechanism 52 slidably disposed on the linear motion structure 51. The linear motion structure 51 is adjacent to the testing device 200. The linear motion structure 51 is used to drive the picking mechanism 52 to move in three-dimensional space, and the picking mechanism 52 is used to pick up materials. By driving the picking mechanism 52 to move through the linear motion structure 51, the displacement accuracy of the picking mechanism 52 can be improved, enabling the picking mechanism 52 to move precisely to a preset position.

[0039] Specifically, the linear motion structure 51 includes a first drive slide, a second drive slide, and a third drive slide. The movement direction of the slider of the first drive slide is parallel to the second direction b, the movement direction of the slider of the second drive slide is parallel to the first direction a, and the movement direction of the slider of the third drive slide is parallel to the vertical direction. The first direction a, the second direction b, and the vertical direction are perpendicular to each other. The second drive slide is mounted on the slider of the first drive slide, the third drive slide is mounted on the slider of the second drive slide, and the picking mechanism 52 is mounted on the slider of the third drive slide, thus realizing the movement of the picking mechanism 52 in three-dimensional space.

[0040] In some embodiments, the material transfer structure 50 further includes a rotary drive platform 53 slidably disposed on the linear motion structure 51. The picking mechanism 52 is rotatably connected to the rotary drive platform 53. The rotary drive platform 53 is used to drive the picking mechanism 52 to rotate around a preset axis, which extends vertically. Understandably, before the picking mechanism 52 picks up the material, the position of the material between the first conveyor line 10 and the testing device 200 is random. The rotary drive platform 53 can drive the picking mechanism 52 to rotate around the preset axis by a preset angle, thereby adjusting the position of the picking mechanism 52 relative to the material, allowing the picking mechanism 52 to pick up the material more accurately. This satisfies the material picking requirements at multiple angles, improving the flexibility and applicability of the material transfer structure 50. Optionally, the rotation angle of the picking mechanism 52 is greater than 340°. Optionally, the rotary drive platform 53 can be a rotary cylinder, a motor, a turntable, or other rotating devices and structures.

[0041] In some embodiments, multiple picking structures are spaced apart, and all picking structures are connected to the rotary drive platform 53, so that a single movement of the linear moving structure 51 can pick up multiple materials, thereby improving the efficiency of material conveying. Optionally, two picking structures are arranged at intervals in this embodiment.

[0042] In some embodiments, such as Figure 2 and Figure 3 As shown, the pickup mechanism 52 includes a base 521 rotatably connected to the rotary drive platform 53, a suction cup 522 connected to the base 521 and used for adsorbing materials, a clamping member 523 slidably connected to the base 521, and a driving member 524 connected to the base 521. Two clamping members 523 are arranged at intervals, and the two clamping members 523 are respectively located on opposite sides of the suction cup 522. The driving member 524 is used to drive the two clamping members 523 to move towards each other to clamp the materials adsorbed on the suction cup 522. By adsorbing materials through the suction cup 522, and then driving the two clamping members 523 to move towards each other and clamp the materials adsorbed on the suction cup 522 through the driving member 524, the stability of material pickup can be improved, and the materials can be prevented from falling off during movement. Optionally, multiple vacuum adsorption holes can be provided on the suction cup 522, through which materials can be adsorbed. Understandably, when it is necessary to release the material, the suction force of the suction cup 522 on the material is released, and the driving member 524 drives the two clamping members 523 to move in opposite directions. At this time, the clamping members 523 separate from the material, thereby releasing the material.

[0043] Furthermore, the picking mechanism 52 also includes a lifting drive cylinder 525 connected to the base 521. The suction cup 522 is connected to the output end of the lifting drive cylinder 525, and the lifting drive cylinder 525 is used to drive the suction cup 522 to rise and fall along the set direction. In the actual picking process, the picking mechanism 52 moves above the material, first picks up the material through the suction cup 522, and then drives the suction cup 522 to rise and lift the material through the lifting drive cylinder 525. Then, the two clamping members 523 clamp the material.

[0044] In addition, a buffer layer can be provided on the contact surface between the suction cup 522 and the clamping member 523 and the material. The buffer layer is made of soft or flexible materials, such as Teflon, engineering plastics, soft alloys and polyurethane, to prevent the suction cup 522 and the clamping member 523 from making hard contact with the material, thereby avoiding damage to the appearance of the material.

[0045] In some embodiments, the material transfer structure 50 further includes an identification structure 54 connected to the linear motion structure 51. The identification structure 54 is used to scan the material picked up by the pickup mechanism 52 to read the material's information. Understandably, the material may have identification codes such as barcodes, serial numbers, etc., to reflect relevant material information. The identification structure 54 is used to scan and identify these identification codes to obtain material information, facilitating subsequent material inspection. Additionally, the identification structure 54 can also detect whether the material's position is accurate, allowing for adjustments to the material's position and improving positioning accuracy. Optionally, the identification structure 54 is a camera.

[0046] In some embodiments, the transfer device further includes a conveying structure 60 slidably connected to the frame 40. The conveying structure 60 corresponds to the loading station 300 and is used to dock with external equipment to receive materials from the external equipment and load the materials onto the first conveyor line 10. By setting the conveying structure 60, the conveying structure 60 can load materials from the front-end docking process equipment to the first conveyor line 10, thereby improving material transfer efficiency. It should be noted that the conveying structure 60 in this embodiment is applicable to the testing device 200 with a screen watch. Optionally, the specific structure of the conveying structure 60 can refer to the picking structure, that is, it uses a combination of adsorption and clamping to pick up materials, thereby improving the stability of material picking. Optionally, the conveying structure 60 can be slidably connected to the frame 40 through a structure such as a linear slide rail.

[0047] This utility model also proposes a watch testing device, which includes a transfer device. The specific structure of the transfer device is as described in the above embodiments. Since this watch testing device adopts all the technical solutions of all the above embodiments, it also has all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0048] In summary, the transfer device provided in this application allows the material transfer structure 50 to transfer materials fed from the loading station 300 to the first conveyor line 10 to the testing device 200 for testing. After testing, the material transfer structure 50 transfers qualified materials from the testing device 200 to the second conveyor line 20, and unqualified materials from the testing device 200 to the third conveyor line 30. Thus, the transfer device of this application can automatically transfer qualified and unqualified materials to different locations to facilitate subsequent material processing and improve production efficiency. Furthermore, the loading station 300 and the first unloading station 400 are located on the same side of the frame 40, allowing operators to simultaneously monitor the loading status of the materials to be tested on the first conveyor line 10 and the unloading status of the unqualified materials on the third conveyor line 30. Therefore, it is not necessary to arrange operators at both the loading station 300 and the first unloading station 400, thereby reducing labor costs.

[0049] The above are merely optional embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A flow-through device for cooperation with a testing device (200) for testing a material, characterized in that: The transfer device includes a frame (40) spaced apart from the testing device (200), a first conveyor line (10) arranged on the frame (40), a second conveyor line (20) spaced apart from the first conveyor line (10), a third conveyor line (30) spaced apart from the second conveyor line (20), and a material transfer structure (50) arranged on the frame (40). One side of the frame (40) is provided with a loading station (300) and a first unloading station (400) arranged at intervals. The first conveyor line (10) and the third conveyor line (30) correspond to the loading station (300) and the unloading station (400), respectively. The first unloading station (400) is where the first conveyor line (10) receives the material at the loading station (300). The material transfer structure (50) is used to pick up the material from the first conveyor line (10) and move the material to the testing device (200). The material transfer structure (50) is also used to transfer the qualified material from the testing device (200) to the second conveyor line (20) and transfer the unqualified material from the testing device (200) to the third conveyor line (30). The third conveyor line (30) unloads the material at the first unloading station (400).

2. The flow-through device of claim 1, wherein: The transfer device is also provided with a second unloading station (500), the second conveyor line (20) corresponds to the second unloading station (500), the second conveyor line (20) unloads the tested qualified material at the second unloading station (500), the first unloading station (400) and the second unloading station (500) are respectively located on opposite sides of the frame (40).

3. The flow-through device of claim 2, wherein: The first conveyor line (10) extends along a first direction, and the extension directions of the second conveyor line (20) and the third conveyor line (30) are parallel to the first direction.

4. The flow-through device of claim 3, wherein: The first conveyor line (10) is arranged in multiple intervals along the second direction, which is perpendicular to the first direction.

5. The flow-through device of any one of claims 1 to 4, wherein: The material transfer structure (50) includes a linear moving structure (51) and a picking mechanism (52) slidably disposed on the linear moving structure (51). The linear moving structure (51) is adjacent to the testing device (200). The linear moving structure (51) is used to drive the picking mechanism (52) to move in three-dimensional space. The picking mechanism (52) is used to pick up the material.

6. The flow-through device of claim 5, wherein: The material transfer structure (50) further includes a rotary drive platform (53) slidably disposed on the linear motion structure (51). The picking mechanism (52) is rotatably connected to the rotary drive platform (53). The rotary drive platform (53) is used to drive the picking mechanism (52) to rotate around a preset axis, which extends in the vertical direction.

7. The flow-through device of claim 6, wherein: The picking mechanism (52) includes a base (521) rotatably connected to the rotary drive platform (53), a suction cup (522) connected to the base (521) and used to adsorb the material, a clamping member (523) slidably connected to the base (521), and a driving member (524) connected to the base (521). Two clamping members (523) are arranged at intervals and the two clamping members (523) are respectively located on opposite sides of the suction cup (522). The driving member (524) is used to drive the two clamping members (523) to move towards each other to clamp the material adsorbed on the suction cup (522).

8. The flow-through device of claim 6, wherein: The material transfer structure (50) further includes an identification structure (54) connected to the linear motion structure (51), the identification structure (54) being used to scan the material picked up by the picking mechanism (52) to read the information of the material.

9. The flow-through device of any one of claims 1 to 4, wherein: The transfer device also includes a conveying structure (60) slidably connected to the frame (40). The conveying structure (60) corresponds to the loading station (300). The conveying structure (60) is used to dock with external equipment to receive the material from the external equipment and load the material onto the first conveyor line (10).

10. A watch testing apparatus characterized by: Includes the transfer device as described in any one of claims 1 to 9.

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