A heat dissipation fan testing device

Abstract

The utility model relates to test equipment technical field, concretely relates to a heat dissipation fan test equipment, including frame, transport carousel, loading fixture, blanking mechanism, code scanning station, pressure resistance station, code printing station, one measuring station, two measuring stations, blanking station, be equipped with transport carousel rotationally on the frame, be equipped with six loading fixtures around on transport carousel, the frame corresponds six loading fixtures along clockwise direction respectively and is equipped with code scanning station, pressure resistance station, code printing station, one measuring station, two measuring stations, blanking station, the blanking mechanism is located in blanking station side portion, adopts multistation carousel formula structure layout, through transport carousel drive loading fixture along clockwise direction sequentially in multiple stations rotation carries, can realize one equipment on disposable completion multiple test procedures, not only reduces the floor space and maintenance cost, improves heat dissipation fan each test procedure's test efficiency and quality simultaneously.

Description

Technical Field

[0001] This utility model relates to the field of testing equipment technology, specifically to a cooling fan testing device. Background Technology

[0002] Currently, cooling fans are devices used in laptops to dissipate heat from electronic components such as the CPU. Before leaving the factory, cooling fans need to undergo full-function testing, barcode scanning and voltage resistance testing, and after testing, they also need to undergo multiple processes such as laser marking. These processes are all completed in batches by different semi-automated equipment. There is currently a lack of testing equipment that can complete all of these processes in one go. In actual production, cooling fans need to be transported over long distances between various devices, which not only reduces testing efficiency and quality, but also results in high maintenance costs for multiple semi-automated devices and a large footprint.

[0003] Therefore, the applicant hereby proposes a cooling fan testing device to solve the aforementioned problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a cooling fan testing device.

[0005] The technical solution of this utility model is as follows: This utility model provides a cooling fan testing device, including a frame, a transport turntable, loading fixtures, a unloading mechanism, a barcode scanning station, a pressure resistance station, a coding station, a first test station, a second test station, and an unloading station; the transport turntable is rotatably mounted on the frame, and six loading fixtures are arranged around the transport turntable. Corresponding to the six loading fixtures, the barcode scanning station, pressure resistance station, coding station, first test station, second test station, and unloading station are respectively arranged on the frame in a clockwise direction. The unloading mechanism is located on the side of the unloading station.

[0006] Furthermore, the loading fixture includes a fixture frame, a placement fixture, a power socket, a power connection socket, an ejector plate, a reset plate, an ejector rod, and a spring; the fixture is mounted on a transport turntable, the placement fixture is detachably mounted in the fixture frame, the bottom and middle parts of the inner end of the placement fixture are respectively provided with a power socket and a power connection socket, the power socket and the power connection socket are electrically connected, the ejector plate and the reset plate are respectively located at the top and bottom of the power connection socket, both ends of the power connection socket have vertically opened guide holes and are slidably provided with an ejector rod, both ends of the ejector rod are respectively fixedly connected to the ejector plate and the reset plate, and the spring is sleeved on the bottom end of the ejector rod.

[0007] Furthermore, the barcode scanning station includes a magnetic base, a bracket, a fixing block, and a barcode scanner; the magnetic base is located below the corresponding loading fixture, the bracket is located on the magnetic base, the fixing block is rotatably connected to the bracket, and the barcode scanner is located on the fixing block.

[0008] Furthermore, the pressure-resistant station includes a pressure support, a pressure drive, a slide rail, a pressure plate, a probe plate, a pressure probe assembly, and a power supply; the pressure support is located on the side of the corresponding loading fixture, the pressure drive is vertically located on the top of the pressure support, the slide rail is vertically located on the side of the pressure support, the pressure plate is horizontally arranged with one end slidingly engaged with the slide rail, the pressure plate is provided with a probe plate, the probe plate is provided with a pressure probe assembly, and the power supply is located below the corresponding loading fixture.

[0009] Furthermore, the power supply includes a fixed frame, a lifting drive component, a probe fixing plate, and a power-on probe assembly; the fixed frame is located below the corresponding loading fixture, the lifting drive component is located on the fixed frame, the lifting end of the lifting drive component is connected to the probe fixing plate, and the probe fixing plate is provided with a power-on probe assembly that is plugged into and cooperates with the power socket.

[0010] Furthermore, the marking station includes a laser marking device, a fixed lifting plate, a recycling drive unit, and a recycling cover; the laser marking device is located on the side of the corresponding loading fixture, the fixed lifting plate is vertically located on the side of the output end of the laser marking device, the recycling drive unit is located on the fixed lifting plate, and the output end of the recycling drive unit is connected to the recycling cover.

[0011] Furthermore, the first and second measurement stations have the same structure, each including only an electrical switch located below the corresponding loading fixture.

[0012] Furthermore, the unloading station includes an ejector frame, an ejector drive, and an ejector block; the ejector frame is mounted on the frame and located below the corresponding loading fixture, the ejector drive is mounted on the ejector frame, and the output end of the ejector drive is connected to the ejector block.

[0013] Furthermore, the feeding mechanism includes a recycling component, a feeding component, and a transferring component; the recycling component is located on the side of the feeding station, the feeding component is located on the side of the recycling component, and the transferring component is horizontally located between the feeding station and the feeding component.

[0014] Furthermore, the material transfer assembly includes a material transfer frame, an X-axis linear motor module, a Z-axis linear motor module, a suction frame, a Y-axis drive unit, an adsorption plate, and suction nozzles. The material transfer frame is mounted on the machine frame, the X-axis linear motor module is horizontally mounted on the material transfer frame, the Z-axis linear motor module is vertically mounted on the output end of the X-axis linear motor module, the suction frame is mounted on the output end of the Z-axis linear motor module, the bottom surface of the suction frame is longitudinally provided with a Y-axis drive unit, the adsorption plate is located on the bottom surface of the Y-axis drive unit and is connected to its output end for transmission, and the adsorption plate is provided with multiple suction nozzles.

[0015] The beneficial effects achieved by this utility model are as follows: The cooling fan testing equipment provided by this utility model adopts a multi-station turntable structure. The transport turntable drives the loading fixture to rotate and transport it sequentially in a clockwise direction at multiple stations. That is, multiple testing procedures can be completed at one time on one device, which not only reduces the floor space and maintenance costs, but also improves the testing efficiency and quality of various testing procedures for cooling fans. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the entire machine of this utility model.

[0017] Figure 2 This is a 3D schematic diagram of the recycling components.

[0018] Figure 3 This is a 3D schematic diagram of the material transfer assembly.

[0019] Figure 4 This is a frontal perspective view of the mounting fixture.

[0020] Figure 5 This is a three-dimensional diagram of the back of the mounting fixture.

[0021] Figure 6 yes Figure 4 Enlarged view of point A.

[0022] Figure 7 yes Figure 5 Enlarged view of point B.

[0023] Figure 8 This is a 3D diagram of the barcode scanning station.

[0024] Figure 9 This is a 3D schematic diagram of the pressure-resistant workstation.

[0025] Figure 10 This is a three-dimensional schematic diagram of an electrical appliance.

[0026] Figure 11 This is a 3D diagram of the coding station.

[0027] Figure 12 This is a 3D schematic diagram of the material unloading station.

[0028] Figure 13 This is a three-dimensional assembly diagram of the transport turntable and loading fixture. Detailed Implementation

[0029] To facilitate understanding of this utility model by those skilled in the art, the specific embodiments of this utility model are clearly described below with reference to the accompanying drawings. Obviously, the specific embodiments described are merely preferred embodiments of this utility model, and not all embodiments.

[0030] like Figure 1-13 As shown, the present invention provides a cooling fan testing device for completing multiple testing processes of a cooling fan in one operation; it includes a frame 1, a transport turntable for mounting and rotating the loading fixture to transport the cooling fan under test 2, a loading fixture for loading the cooling fan under test 3, a unloading mechanism for classifying and transporting the tested cooling fans 4, a barcode scanning station for scanning the barcode information of the cooling fan under test 5, a pressure resistance station for performing pressure resistance testing 6, a marking station for laser marking the cooling fan under test 7, a first-test station for testing the PWM of the cooling fan 8, a second-test station for testing the full speed of the cooling fan 9, and an unloading station for holding the tested cooling fans 10. The frame 1 is equipped with a rotating transport turntable 2, around which six loading fixtures 3 are arranged. Corresponding to the six loading fixtures 3, the frame 1 has a scanning station 5, a pressure-resistant station 6, a coding station 7, a first-test station 8, a second-test station 9, and a unloading station 10 arranged clockwise. The unloading mechanism 4 is located on the side of the unloading station 10. The transport turntable 2 is driven to rotate by a rotating drive component located within the frame 1. In this embodiment, the rotating drive component is preferably a motor. This drives the loading fixtures 3 to rotate clockwise, sequentially passing through the scanning station, pressure-resistant station, coding station, first-test station, and second-test station to complete various tests, and finally waiting to be unloaded at the unloading station. The loading fixture 3 includes a fixture frame 31 for placing the positioning frame, a placement fixture 32 for placing the cooling fan under test, a power socket 33 for connecting the power supply, a power socket 34 for connecting the power cord plug of the cooling fan under test, an ejector plate 35 for ejecting the power cord plug of the cooling fan under test to disconnect it from the power socket, a reset plate 36 for locking the spring, an ejector rod 37 for guiding the lifting and lowering movement of the ejector plate, and a spring 38 for providing a reset force to the ejector plate. The fixture frame 31 is mounted on the transport turntable 2, and the placement fixture 32 is detachably mounted in the fixture frame 31. Specifically, it can be connected by snap-fit, plug-in, threaded connection, etc. In this embodiment, a snap-fit ​​connection is preferred, which facilitates the replacement of placement fixtures of different sizes, thereby enabling surprise testing of various types of cooling fans and improving compatibility. The placement fixture 32... The inner bottom surface and middle part are respectively provided with a power socket 33 and a power receiving socket 34, which are electrically connected. The ejector plate 35 and the reset plate 36 are respectively provided at the top and bottom of the power receiving socket 34. Both ends of the power receiving socket 34 have vertically opened guide holes and are slidably provided with ejector rods 37. The two ends of the ejector rods 37 are respectively fixedly connected to the ejector plate 35 and the reset plate 36. The spring 38 is sleeved on the bottom end of the ejector rod 37. During the test, the power socket 33 is energized through the pressure resistance station 6, the first test station 8 or the second test station 9, so that the cooling fan under test is connected to the power supply. The reset plate 36 is pressured through the unloading station 10, which compresses the spring 38. The ejector rod 37 drives the ejector plate 35 to move upward, so that the power cord plug of the tested cooling fan is disconnected from the power receiving socket 34, so that the unloading mechanism can pick up and transport the tested cooling fan.

[0031] The unloading mechanism 4 includes a recycling component 41 for conveying defective cooling fans, an unloading component 42 for conveying qualified cooling fans, and a transfer component 43 for transferring cooling fans. The recycling component 41 is located on the side of the unloading station 10, the unloading component 42 is located on the side of the recycling component 41, and the transfer component 43 is horizontally located between the unloading station 10 and the unloading component 42. The transfer component 43 can pick up the cooling fan from the unloading station 10 and send it to the recycling component 41 or the unloading component 42. The recycling component 41 includes a recycling conveyor belt 411 for conveying and recycling defective cooling fans, an indicator box 412 for installing NG indicator lights, and an indicator light 413 for displaying the NG type. The recycling conveyor belt 411 is longitudinally arranged on the frame 1 at the side of the unloading station 10. The indicator box 412 is transversely arranged on the recycling conveyor belt 411. The indicator box 412 has multiple indicator lights 413 of different colors arranged from left to right. For example, in this embodiment, four indicator lights 413 are preferably provided. Each indicator light 413 represents the type of product defect. The four indicator lights 413 correspond from left to right to the barcode scanning station 5, the pressure resistance station 6, the test station 8, and the retest station 9, respectively. The defect types are barcode NG, pressure resistance NG, PWM test NG, and full-speed test NG, respectively. That is, different colored indicator lights 413 represent different NG types, which can be set by the user.

[0032] The unloading assembly 42 includes an unloading frame 421 for mounting the unloading conveyor belt and an unloading conveyor belt 422 for transporting qualified cooling fans; the unloading frame 421 is located on the side of the recycling assembly 41 on the frame 1, and the unloading conveyor belt 422 is arranged laterally on the unloading frame 421. The material transfer assembly 43 includes a material transfer frame 431 for mounting an X-axis linear motor module, an X-axis linear motor module 432 for driving the suction frame to translate along the X-axis direction, a Z-axis linear motor module 433 for driving the suction frame to move up and down along the Z-axis direction, a suction frame 434 for mounting a Y-axis drive component, a Y-axis drive component 435 for driving the suction plate to translate along the Y-axis direction, a suction plate 436 for mounting a suction nozzle, and a suction nozzle 437 for adsorbing or lowering the tested cooling fan. The material transfer frame 431 is mounted on the frame 1, the X-axis linear motor module 432 is horizontally mounted on the material transfer frame 431, and the Z-axis linear motor module 433 is vertically mounted on the frame 1. The suction frame 434 is located on the output end of the X-axis linear motor module 432 and the Z-axis linear motor module 433. The bottom surface of the suction frame 434 is longitudinally provided with a Y-axis drive component 435. In this embodiment, the Y-axis drive component 435 is preferably a cylinder. The adsorption plate 436 is located on the bottom surface of the Y-axis drive component 435 and is connected to its output end. The adsorption plate 436 is provided with multiple suction nozzles 437, which are driven by an air supply device located in the frame 1. Through the cooperation of the X-axis linear motor module, the Z-axis linear motor module and the Y-axis drive component, the suction nozzles can accurately adsorb the cooling fan and move and transfer along the X, Y and Z axes.

[0033] The barcode scanning station 5 includes a magnetic base 51 for attaching and mounting the barcode scanner, a bracket 52 for supporting the barcode scanner, a fixing block 53 for fixing the barcode scanner, and a barcode scanner 54 for identifying and scanning the barcode information of the cooling fan under test. The magnetic base 51 is located on the frame 1 below the corresponding loading fixture 3. The bracket 52 is located on the magnetic base 51, and the fixing block 53 is rotatably connected to the bracket 52. The barcode scanner 54 is located on the fixing block 53. An angle plate 55 for adjusting the orientation angle of the barcode scanner is also rotatably connected between the fixing block 53 and the bracket 52. An arc-shaped groove is opened on the angle plate 55, and a locking bolt is provided in the arc-shaped groove to change the orientation angle of the barcode scanner. The cooling fan under test is manually placed into the loading fixture located on the barcode scanning station and its power cord is plugged into the power socket. The barcode scanning station scans the barcode to establish a test data storage file. Then, the transport turntable 2 rotates 60 degrees clockwise, driving the loading fixture into the pressure resistance station for pressure resistance testing.

[0034] The pressure-resistant station 6 includes a pressure bracket 61 for mounting the slide rail, a pressure drive 62 for driving the pressure plate up and down, a slide rail 63 for mounting the pressure plate, a pressure plate 64 for mounting the sliding plate, a probe plate 65 for mounting the pressure probe assembly, a pressure probe assembly 66 for pressing down on the surface of the cooling fan under test, and a power supply 11 for energizing the power socket 33. The pressure bracket 61 is mounted on the frame 1 on the side of the corresponding loading fixture 3. The pressure drive 62 is vertically mounted on the top of the pressure bracket 61. The slide rail 63 is vertically mounted on the side of the pressure bracket 61. The pressure plate 64 is horizontally mounted with one end slidingly engaged with the slide rail 63. The pressure plate 64 is equipped with a probe plate 65, and the probe plate 65 is equipped with a pressure probe assembly 66. The power supply 11 is located below the corresponding loading fixture 3. In this embodiment, the downward driving component is preferably a cylinder. During testing, the power supply 11 is electrically connected to the power socket 33 of the loading fixture 3. Then, the downward driving component 62 drives the downward pressure plate 64 to move along the slide rail 63 to drive the downward pressure probe group 66 on the probe plate 65 to press down and contact the surface of the cooling fan to be tested, and monitor whether it is energized. If the surface of the cooling fan is energized, it is judged as an NG product and feedback is given. Otherwise, if the surface of the cooling fan is not energized, it is judged as a qualified product. After the test and judgment are completed, the power supply 11 is disconnected from the power socket 33 of the loading fixture 3. Then, the downward driving component 62 drives the downward pressure probe group 66 to rise. Subsequently, the transport turntable rotates 60 degrees clockwise, driving the loading fixture into the coding station for coding.

[0035] The power supply 11 includes a mounting frame 111 for mounting a lifting drive component, a lifting drive component 112 for driving the probe fixing plate to move up and down, a probe fixing plate 113 for mounting an energized probe assembly, and an energized probe assembly 114 for plugging into an energized socket. The mounting frame 111 is located on the frame 1 below the corresponding loading fixture 3. The lifting drive component 112 is mounted on the mounting frame 111. The lifting end of the lifting drive component 112 is connected to the probe fixing plate 113. The probe fixing plate 113 is provided with an energized probe assembly 114 that plugs into an energized socket 33. This enables power to be supplied to the loading fixture for testing.

[0036] The marking station 7 includes a laser marking device 71 for marking the cooling fan under test, a fixed lifting plate 72 for installing the recycling drive, a recycling drive 73 for lifting the protective cover, and a recycling hood 74 for recycling the laser marking smoke. The laser marking device 71 is mounted on the frame 1 on the side of the corresponding loading fixture 3. The fixed lifting plate 72 is vertically mounted on the side of the output end of the laser marking device 71. The recycling drive 73 is mounted on the fixed lifting plate 72, and the output end of the recycling drive 73 is connected to the recycling hood 74. After marking is completed, the transport turntable 2 rotates 60 degrees clockwise, driving the loading fixture into a test station for PWM testing.

[0037] The first test station 8 and the second test station 9 have the same structure, each including only a power supply 11 located on the frame 1 below the corresponding loading fixture 3. When the loading fixture enters the first test station and the second test station, the power supply 11 powers the cooling fan in the corresponding loading fixture to perform PWM test and full-speed test, respectively. After the test is completed, the test data is used to determine whether it is NG or qualified. The power supply 11 is disconnected from the power socket in the loading fixture. Then the transport turntable rotates 60 degrees clockwise, driving the loading fixture into the unloading station to wait for unloading.

[0038] The unloading station 10 includes an ejector frame 101 for mounting the ejector drive, an ejector drive 102 for driving the ejector block to rise and fall, and an ejector block 103 for applying upward thrust to the ejector plate. The ejector frame 101 is located on the frame 1 below the corresponding loading fixture 3. The ejector drive 102 is located on the ejector frame 101, and the output end of the ejector drive 102 is connected to the ejector block 103. When the loading fixture enters the unloading station, the ejector drive 102 drives the ejector block 103 to rise, causing the reset plate 36 to move upward. This causes the ejector plate 35 to disconnect the power cord plug of the tested cooling fan from the power socket. Subsequently, the ejector drive 102 drives the ejector block 103 to fall and reset. The ejector plate 35 is also reset under the force of the spring 38, waiting for the unloading mechanism to remove the tested cooling fan from the loading fixture and enter the next cycle.

[0039] It also includes a control system mounted on the frame 1 for controlling the working status of the transport turntable, unloading mechanism, barcode scanning station, pressure-resistant station, coding station, first test station, second test station and unloading station. The control system includes a PLC human-machine interaction system, a display and an operation panel; the PLC human-machine interaction system is electrically connected to the display and the operation panel.

[0040] The embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. A cooling fan testing device, characterized in that: It includes a frame (1), a transport turntable (2), a loading fixture (3), a feeding mechanism (4), a barcode scanning station (5), a pressure-resistant station (6), a coding station (7), a first-measurement station (8), a second-measurement station (9), and a feeding station (10). The frame (1) is equipped with a transport turntable (2) that rotates on it. The transport turntable (2) is surrounded by six loading fixtures (3). The frame (1) is equipped with barcode scanning station (5), pressure-resistant station (6), coding station (7), first-measurement station (8), second-measurement station (9), and feeding station (10) respectively in a clockwise direction corresponding to the six loading fixtures (3). The feeding mechanism (4) is located on the side of the feeding station (10).

2. The cooling fan testing device according to claim 1, characterized in that: The loading fixture (3) includes a fixture frame (31), a placement fixture (32), a power socket (33), a power connection socket (34), an ejector plate (35), a reset plate (36), an ejector rod (37), and a spring (38). The fixture frame (31) is mounted on the transport turntable (2), and the placement fixture (32) is detachably mounted in the fixture frame (31). The placement fixture (32) has a power socket (33) on its inner bottom surface and a power connection socket (34) on its middle part. The socket (34) is electrically connected to the power socket (33) and the power receiving socket (34). The ejector plate (35) and the reset plate (36) are respectively located at the top and bottom of the power receiving socket (34). Both ends of the power receiving socket (34) have vertically opened guide holes and are slidably provided with ejector rods (37). Both ends of the ejector rods (37) are fixedly connected to the ejector plate (35) and the reset plate (36) respectively. The spring (38) is sleeved on the bottom end of the ejector rods (37).

3. A cooling fan testing device according to claim 1 or 2, characterized in that: The barcode scanning station (5) includes a magnetic base (51), a bracket (52), a fixing block (53), and a barcode scanner (54); the magnetic base (51) is located below the corresponding loading fixture (3), the bracket (52) is located on the magnetic base (51), the fixing block (53) is rotatably connected to the bracket (52), and the barcode scanner (54) is located on the fixing block (53).

4. The cooling fan testing device according to claim 2, characterized in that: The pressure-resistant station (6) includes a pressure support (61), a pressure drive (62), a slide rail (63), a pressure plate (64), a probe plate (65), a pressure probe group (66), and a power supply (11); the pressure support (61) is located on the side of the corresponding loading fixture (3), the pressure drive (62) is vertically located on the top of the pressure support (61), the slide rail (63) is vertically located on the side of the pressure support (61), the pressure plate (64) is horizontally located and one end of it is slidably engaged with the slide rail (63), the pressure plate (64) is provided with a probe plate (65), the probe plate (65) is provided with a pressure probe group (66), and the power supply (11) is located below the corresponding loading fixture (3).

5. The cooling fan testing device according to claim 4, characterized in that: The power supply device (11) includes a fixed frame (111), a lifting drive (112), a probe fixing plate (113), and a set of power-on probes (114). The fixed frame (111) is located below the corresponding loading fixture (3). The lifting drive (112) is located on the fixed frame (111). The lifting end of the lifting drive (112) is connected to the probe fixing plate (113). The probe fixing plate (113) is provided with a set of power-on probes (114) that are plugged into the power socket (33).

6. The cooling fan testing device according to claim 1, characterized in that: The marking station (7) includes a laser marking device (71), a fixed lifting plate (72), a recycling drive (73), and a recycling cover (74); the laser marking device (71) is located on the side of the corresponding loading fixture (3), the fixed lifting plate (72) is vertically located on the side of the output end of the laser marking device (71), the recycling drive (73) is located on the fixed lifting plate (72), and the output end of the recycling drive (73) is connected to the recycling cover (74).

7. The cooling fan testing device according to claim 4, characterized in that: The first measurement station (8) and the second measurement station (9) have the same structure, and each only includes an electrical switch (11) located below the corresponding loading fixture (3).

8. The cooling fan testing device according to claim 1, characterized in that: The unloading station (10) includes an ejector frame (101), an ejector drive (102), and an ejector block (103); the ejector frame (101) is located on the frame (1) below the corresponding loading fixture (3), the ejector drive (102) is located on the ejector frame (101), and the output end of the ejector drive (102) is connected to the ejector block (103).

9. The cooling fan testing device according to claim 1, characterized in that: The feeding mechanism (4) includes a recycling component (41), a feeding component (42), and a transfer component (43); the recycling component (41) is located on the side of the feeding station (10), the feeding component (42) is located on the side of the recycling component (41), and the transfer component (43) is located laterally between the feeding station (10) and the feeding component (42).

10. A cooling fan testing device according to claim 9, characterized in that: The material transfer assembly (43) includes a material transfer rack (431), an X-axis linear motor module (432), a Z-axis linear motor module (433), a suction rack (434), a Y-axis drive (435), an adsorption plate (436), and a suction nozzle (437). The material transfer rack (431) is mounted on the frame (1). The X-axis linear motor module (432) is mounted horizontally on the material transfer rack (431). The Z-axis linear motor module (433) is mounted vertically on the output end of the X-axis linear motor module (432). The suction rack (434) is mounted on the output end of the Z-axis linear motor module (433). The bottom surface of the suction rack (434) is longitudinally provided with a Y-axis drive (435). The adsorption plate (436) is mounted on the bottom surface of the Y-axis drive (435) and is connected to its output end. The adsorption plate (436) is provided with multiple suction nozzles (437).

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