Fuzz button electric signal testing device and testing method thereof

Abstract

The invention discloses a fuzz button electric signal testing device and a testing method thereof, and relates to the technical field of fuzz button electric signal detection.The fuzz button electric signal testing device comprises a testing box, a positioning plate is arranged in the testing box, electrode plates are arranged above and below the positioning plate, and a fuzz button body is connected into the positioning plate in a clamped mode; wiping mechanisms for cleaning the bottoms of the electrode plates are arranged at the front and rear ends of the top and the bottom of the test box. According to the fuzz button electric signal testing device and the testing method thereof, the transmission assembly drives the rotating rod to rotate, and the rotating rod can synchronously drive the traction rope to wind or unwind the rotating rod during rotation, so that a sponge layer in the mounting box can be attached to a metal patch at the top end of an electrode plate and wipe the metal patch; and dust and residual water vapor on the surface of the metal patch are reduced, so that the resistivity of the fuzz button body can be better tested.

Description

Technical Field

[0001] The present invention relates to the technical field of hair button electrical signal detection, and in particular to a hair button electrical signal testing device and a testing method thereof. Background Art

[0002] Hair buttons are generally cylindrical and are made up of metal wires (such as copper wires, often gold-plated on the surface) that are orderly wound and stacked. This structure gives it unique elasticity and redundant contact points. After the production of the hair buttons is completed, they need to be tested using a testing device to determine whether the electrical signal of the hair buttons themselves is stably connected. When in use, traditional testing devices require the use of electrode plates to repeatedly contact the hair buttons on the surface of the positioning plate for detection. The electrode plates are exposed to the air for a long time, which may cause their own surface to become moist, affecting the stable connection of the electrical signal when in contact with the hair buttons.

[0003] In order to overcome the above-mentioned defects, the prior art 1 (Chinese patent with publication number CN119757804A and publication date 2025-04-04) is an electrical signal test pin mechanism, including a first driving device and a pin assembly, the pin assembly including a first needle holder and a second needle holder, the first needle holder is provided with a first pin group, the second needle holder is provided with a second pin group, the first needle holder is provided with a first annular boss portion, the second needle holder is provided with a second annular boss portion, the first annular boss portion is provided with a first notch group, and the second annular boss portion is provided with a second notch group. The electrical signal test pin mechanism of the present invention automates the electrical signal transmission testing process for the product under test and prevents poor contact between the contact piece and the pin. The first and second annular bosses provide a waterproof seal without affecting contact between the contact piece and the pin, preventing exposure of the contact points between the contact piece and the pin. This mechanism is particularly suitable for electrical signal transmission testing of products in hydraulic systems or those that operate in humid environments. Prior art No. 2 (Chinese Patent Publication No. CN204834936U, published on December 2, 2015) utilizes random wire pins as contact elements. A set of random wire pins and accessories are mounted on an insulating mounting plate to form a button-type inter-board electrical connector. This button-type inter-board electrical connector makes end-to-end contact with the printed circuit board (PCB), resulting in zero insertion and removal force. Simply installing a button-type inter-board connector between upper and lower PCBs completes a vertical connection between the PCBs. The stacked metal pins also achieve a zero-insertion-force, pressure-free connection between the PCB pads and the conductors, expanding the application range of the button-type inter-board electrical connector. This button-type inter-board electrical connector can realize a variety of flexible and reliable interconnection solutions. It can be used to connect almost any metal surface to metal surface, metal surface to wire, and can realize low-profile and compact internal interconnection in PCB boards. It is an ideal interconnection solution when high reliability, high-speed signal, small space, high density and extreme environmental conditions must be met.

[0004] The above institutions utilize. Summary of the Invention

[0005] The purpose of the present invention is to provide a hair button electrical signal testing device and a testing method thereof, so as to solve the problem proposed in the above background technology that when the traditional testing device is used, it is necessary to use an electrode plate to repeatedly contact the hair button on the surface of the positioning plate for detection, and the electrode plate is exposed to the air for a long time, which may cause its own surface to become wet, affecting the stable connection of the electrical signal when in contact with the hair button.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a hair button electrical signal testing device, comprising a test box, a positioning plate is provided inside the test box, and electrode plates are provided above and below the positioning plate, and the hair button body is connected to the interior of the positioning plate by snapping; a guide mechanism is provided at the four corners inside the test box, and the guide mechanism is connected to the electrode plate, and the front and rear ends of the top and bottom of the test box are provided with a wiping mechanism for cleaning the bottom of the electrode plate, and the wiping mechanism includes a rotating rod, which is rotatably connected to the four corners of the top and bottom of the test box, a traction rope is wrapped around the outside of the rotating rod, and an installation box is fixedly connected to one side between the traction ropes, and a sponge layer is installed inside the installation box through a connecting spring, and a transmission assembly is provided at the top of the test box; a fixing groove is provided inside the positioning plate, and an auxiliary pushing mechanism for assisting the separation of the electrode plate and the positioning plate is provided inside the fixing groove.

[0007] Furthermore, the guide mechanism includes a bidirectional threaded rod, and the bidirectional threaded rod is arranged inside the test box, the bidirectional threaded rod is arranged at the rear end of the electrode plate, the upper end and the lower end of the outer side of the bidirectional threaded rod are respectively threadedly connected to two movable blocks, and the sides of the movable blocks are connected to the sides of the electrode plate, a limit frame is provided at the middle position of the outer side of the bidirectional threaded rod, and the inner side of the limit frame is engaged with a positioning plate.

[0008] Furthermore, guide rods are provided on the left and right sides of the front end of the electrode plate, and guide blocks are vertically slidably connected to the inner sides of the guide rods. The upper and lower ends of the guide blocks are connected to the top and bottom ends inside the test box.

[0009] Furthermore, the connecting springs are distributed at equal intervals inside the installation box, and an elastic structure is formed between the installation box and the sponge layer through the connecting springs.

[0010] Furthermore, the transmission assembly includes a driving gear, and the driving gear is rotatably connected to the front and rear ends of the top and bottom of the test box. The front and rear ends of the driving gear are engaged with tooth plates, and the four corners of the top and bottom of the test box are rotatably connected to driven gears matching the tooth plates.

[0011] Furthermore, the bottom end of the driven gear extends to the interior of the test box through a connecting rod and is connected to the rotating rod, and the driven gear is symmetrical about the vertical center axis of the test box.

[0012] Furthermore, the auxiliary ejection mechanism includes a piston, and the piston is slidably connected to the inside of the fixed groove. An ejection plate is installed at the top of the piston, and the top of the ejection plate passes through the fixed groove and extends to the upper and lower end faces of the positioning plate. Elastic air bags are provided above and below the positioning plate.

[0013] Furthermore, the elastic airbags are connected to the fixing groove via a hose, and the bottom end of the elastic airbag is in contact with the end surface of the electrode plate.

[0014] Furthermore, S1, the wool button body to be tested is placed inside the positioning plate, and the electrode plate and the positioning plate are driven to fit together through the guide mechanism, so that the metal patch at the bottom of the electrode plate and the wool button body engaged inside the positioning plate are connected in series, so as to better test the resistivity of the wool button body and obtain the connection data of the electrical signal.

[0015] S2. The transmission assembly drives the rotating rod to rotate, and the rotating rod will synchronously drive the traction rope to reel in or unreel it when rotating. When the rotating rod on the left is reeling in, the rotating rod on the right is unreeling it, so that the installation box connected between the rotating rods can move smoothly at the bottom end of the electrode plate, and the sponge layer inside the installation box can fit and wipe the metal patch on the top end of the electrode plate. The installation box included in the wiping mechanism is connected to the traction rope, so that the installation box itself can be moved by the reeling and unreeling of the traction rope. At the same time, a connecting spring is provided inside the installation box. By utilizing the connecting spring, the sponge layer can always be kept in contact with the metal patch at the bottom end of the electrode plate and the wiping process can be achieved.

[0016] S3. When the electrode plate and the positioning plate are separated, the two electrode plates are controlled to move in two directions respectively through the guide mechanism, and then the top of the electrode plate will apply pressure to the elastic airbag. After the elastic airbag is squeezed, the gas is transported from the hose to the inside of the fixed groove. The fixed groove uses a piston to form a sealed chamber. After the gas is input into the inside of the fixed groove, the piston is pushed out due to the increase of gas, and the ejection plate at the bottom of the piston is pushed out synchronously. The ejection plate can eject the electrode plate, and apply a pushing force from the inner side where the electrode plate contacts the positioning plate to assist in the separation of the electrode plate and the positioning plate.

[0017] Compared with the prior art, the present invention has the following beneficial effects: 1. The transmission assembly drives the rotating rod to rotate. When the rotating rod rotates, it will synchronously drive the traction rope to reel in or out. When the rotating rod on the left is reeling in, the rotating rod on the right is reeling in, so that the installation box connected between the rotating rods can move smoothly at the bottom end of the electrode plate, and the sponge layer inside the installation box can fit and wipe the metal patch on the top of the electrode plate, reducing dust and residual water vapor on the surface of the metal patch, thereby ensuring better resistivity testing of the hair button body.

[0018] Furthermore, the installation box included in the wiping mechanism is connected to the traction rope, so that the installation box can realize the movement of the installation box itself by winding and unwinding the traction rope. At the same time, a connecting spring is provided inside the installation box. By utilizing the connecting spring, the sponge layer can always maintain a fit state with the metal patch at the bottom end of the electrode plate, so that the sponge layer can better clean the bottom end of the electrode plate. At the same time, the elastic force of the connecting spring makes the wiping of the sponge layer have a certain fault tolerance range. When the installation box is downward due to its own gravity, the elastic force of the connecting spring and the traction force of the traction rope enable the top of the sponge layer to still fit with the bottom end of the electrode plate.

[0019] Furthermore, some hair button bodies may be connected by a docking method during testing, and the docking connection method will cause excessive resistance when the electrode plate and the positioning plate are separated after the test, affecting the work efficiency during subsequent hair button body testing. When the electrode plate and the positioning plate are separated, the two electrode plates are controlled by a guide mechanism to move in two directions respectively, and then the top of the electrode plate will apply pressure to the elastic airbag. After the elastic airbag is squeezed, the gas is transported from the hose to the inside of the fixed groove. The fixed groove uses a piston to form a sealed chamber. After the gas is input into the inside of the fixed groove, the piston is pushed out due to the increase in gas, and the ejection plate at the bottom of the piston is pushed out synchronously. The ejection plate can eject the electrode plate, and apply a pushing force from the inner side of the electrode plate and the positioning plate to avoid the situation where the electrode plate and the positioning plate can only apply force from the four corners when they are separated, resulting in the breakage of the electrode plate and the positioning plate.

[0020] 2. The bidirectional threaded rod is driven by the rotation of the motor, and the bidirectional threaded rod is connected to the movable block by a thread, so the movable block will be driven to move vertically upward or downward, so that when the electrode plate and the positioning plate are fitted together, the movable block can guide them stably, avoiding the situation where the electrode plate and the positioning plate are offset when fitting together, so that the accuracy of the wool button body during docking detection can be effectively improved.

[0021] Furthermore, during the up and down movement of the movable block, since the bidirectional threaded rod and the movable block are threadedly connected, the movable block may experience angular deviation during the up and down movement. Therefore, by providing a guide rod and a guide block, the moving direction of the movable block can be restricted, effectively avoiding the angular deflection of the movable block during the movement, thereby keeping the electrode plate in a vertical state during the up and down movement, and improving the docking accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view structural schematic diagram of the present invention.

[0023] Figure 2 It is a schematic diagram of the front cross-sectional structure of the present invention.

[0024] Figure 3 It is a structural schematic diagram of the pressing mechanism of the present invention.

[0025] Figure 4 It is a schematic diagram of the side cross-sectional structure of the present invention.

[0026] Figure 5 It is a structural schematic diagram of the wiping mechanism and transmission assembly of the present invention.

[0027] Figure 6 It is a structural schematic diagram of the transmission assembly of the present invention.

[0028] Figure 7 It is a structural schematic diagram of the wiping mechanism of the present invention.

[0029] Figure 8 It is a partially enlarged structural schematic diagram of the auxiliary ejection mechanism of the present invention.

[0030] Figure 9 This is a schematic diagram of the auxiliary launching mechanism structure of the present invention.

[0031] In the figure: 1. Test box; 2. Electrode plate; 3. Positioning plate; 4. Button body; 5. Bidirectional threaded rod; 6. Movable block; 7. Limiting frame; 8. Driving gear; 9. Tooth plate; 10. Driven gear; 11. Rotating rod; 12. Traction rope; 13. Mounting box; 14. Connecting spring; 15. Sponge layer; 16. Guide rod; 17. Guide block; 18. Fixing groove; 19. Piston; 20. Ejector plate; 21. Elastic airbag; 22. Hose. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] Example 1: Figure 1 - Figure 7The technical solution shown is to solve the problem that when the traditional test device is in use, the electrode plate needs to be repeatedly contacted with the hair buttons on the surface of the positioning plate for detection, and the electrode plate is exposed to the air for a long time, which may cause its own surface to be wet, affecting the stable connection of the electrical signal when in contact with the hair buttons: the hair button electrical signal testing device discloses a wiping mechanism, including a test box 1, a positioning plate 3 is provided inside the test box 1, and electrode plates 2 are provided above and below the positioning plate 3, and the interior of the positioning plate 3 is snap-connected with a hair button body 4; the front and rear ends of the top and bottom of the test box 1 are provided with a wiping mechanism for cleaning the bottom of the electrode plate 2, and the wiping mechanism includes a rotating rod 11, which is rotatably connected to the four corners of the top and bottom ends of the test box 1, and the outer side of the rotating rod 11 is wrapped with A traction rope 12 is provided, and a mounting box 13 is fixedly connected to one side of the traction rope 12, and a sponge layer 15 is installed inside the mounting box 13 through a connecting spring 14, and a transmission assembly is provided at the top of the test box 1; the connecting springs 14 are evenly spaced inside the mounting box 13, and an elastic structure is formed between the mounting box 13 and the sponge layer 15 through the connecting spring 14; the transmission assembly includes a driving gear 8, and the driving gear 8 is rotatably connected to the front and rear ends of the top and bottom of the test box 1, and the front and rear ends of the driving gear 8 are meshed with tooth plates 9, and the four corners of the top and bottom of the test box 1 are rotatably connected to driven gears 10 that match the tooth plates 9; the bottom end of the driven gear 10 extends to the interior of the test box 1 through a connecting rod and is connected to the rotating rod 11, and the driven gear 10 is symmetrical about the vertical center axis of the test box 1.

[0034] In this example, if Figure 1 As shown, the positioning plate 3 is pulled out from the inner side of the limiting frame 7, and then the wool button body 4 to be tested is placed inside the positioning plate 3, and the positioning plate 3 is pushed back to the inner side of the test box 1, as shown in FIG. Figure 2 As shown, the movable block 6 drives the electrode plate 2 and the positioning plate 3 to fit together through the guide mechanism, so that the metal patch at the bottom of the electrode plate 2 and the wool button body 4 engaged inside the positioning plate 3 are connected in series, which is convenient for better testing the resistivity of the wool button body 4 and obtaining the connection data of the electrical signal; Figure 6 As shown, the motor drives the driving gear 8 to rotate, and the driving gear 8 engages with the tooth plate 9 during rotation, so that the tooth plate 9 moves in different directions, thereby driving the two driven gears 10 to rotate. The two driven gears 10 rotate in the same direction, so that the rotating rod 11 connected to the bottom end of the driven gear 10 rotates in the same direction; Figure 5As shown, the transmission assembly drives the rotating rod 11 to rotate, and the rotating rod 11 will synchronously drive the traction rope 12 to reel or unreel it when rotating. When the rotating rod 11 on the left is reeling, the rotating rod 11 on the right is unreeling it, so that the installation box 13 connected between the rotating rods 11 can move smoothly at the bottom end of the electrode plate 2, and the sponge layer 15 inside the installation box 13 can fit and wipe the metal patch on the top of the electrode plate 2, reducing dust and residual water vapor on the surface of the metal patch, thereby ensuring better resistivity testing of the wool button body 4; as shown Figure 7 As shown, the installation box 13 included in the wiping mechanism is connected to the traction rope 12, so that the installation box 13 can realize the movement of the installation box 13 itself by winding and unwinding the traction rope 12, and at the same time, a connecting spring 14 is provided inside the installation box 13. By utilizing the connecting spring 14, the sponge layer 15 can always maintain a fit state with the metal patch at the bottom end of the electrode plate 2, so that the sponge layer 15 can better clean the bottom end of the electrode plate 2. At the same time, the elastic force of the connecting spring 14 makes the wiping of the sponge layer 15 have a certain fault tolerance range. When the installation box 13 is downward due to its own gravity, the top of the sponge layer 15 can still be fit with the bottom end of the electrode plate 2 through the elastic force of the connecting spring 14 and the traction force of the traction rope 12.

[0035] Example 2: Figure 1 、 Figure 3 and Figure 4 The technical solution shown is to solve the problem that the docking between the electrode plate 2 and the positioning plate 3 is not accurate enough and position deviation is easy to occur: the hair button electrical signal testing device and its testing method and testing method disclose a guiding mechanism, and a guiding mechanism is provided at the four corners inside the test box 1. The guiding mechanism is connected to the electrode plate 2, and the guiding mechanism includes a bidirectional threaded rod 5, and the bidirectional threaded rod 5 is provided inside the test box 1, and the bidirectional threaded rod 5 is provided at the rear end of the electrode plate 2. The upper and lower ends of the outer side of the bidirectional threaded rod 5 are respectively threadedly connected to two movable blocks 6, and the sides of the movable blocks 6 are connected to the sides of the electrode plate 2. A limiting frame 7 is provided at the middle position of the outer side of the bidirectional threaded rod 5, and the inner side of the limiting frame 7 is engaged with the positioning plate 3; guide rods 16 are respectively provided on the left and right sides of the front end of the electrode plate 2, and the inner side of the guide rod 16 is vertically slidably connected to the guide block 17, and the upper and lower ends of the guide block 17 are connected to the top and bottom ends inside the test box 1.

[0036] In this example, if Figure 4As shown, the bidirectional threaded rod 5 is driven by the rotation of the motor, and the bidirectional threaded rod 5 and the movable block 6 are threadedly connected, so the movable block 6 will be driven to move vertically upward or downward, so that when the electrode plate 2 and the positioning plate 3 are fitted together, the movable block 6 can guide them stably, avoiding the electrode plate 2 and the positioning plate 3 from being offset in the fitting position when they are fitted, so that the accuracy of the wool button body 4 during docking detection can be effectively improved; at the same time, in the process of the movable block 6 moving up and down, since the bidirectional threaded rod 5 and the movable block 6 are threadedly connected, the movable block 6 may have its own angle offset in the process of moving up and down, so by providing a guide rod 16 and a guide block 17, the moving direction of the movable block 6 can be restricted, effectively avoiding the angular deflection of the movable block 6 during the movement, so that the up and down movement of the electrode plate 2 also remains in a vertical state, thereby improving the docking accuracy.

[0037] Example 3: Figure 1 、 Figure 2 、 Figure 4 、 Figure 6 、 Figure 8 and Figure 9 The technical solution shown is to solve the problem that after the electrode plate 2 and the positioning plate 3 are docked, there may be large resistance during separation, which affects the efficiency of the test work: the hair button electrical signal testing device and its testing method and testing method disclose an auxiliary pushing mechanism, a fixed groove 18 is opened inside the positioning plate 3, and an auxiliary pushing mechanism for assisting the separation of the electrode plate 2 and the positioning plate 3 is provided inside the fixed groove 18; the auxiliary pushing mechanism includes a piston 19, and the piston 19 is slidably connected to the inside of the fixed groove 18, and an ejection plate 20 is installed at the top of the piston 19, and the top of the ejection plate 20 passes through the fixed groove 18 and extends to the upper and lower end faces of the positioning plate 3, and elastic air bags 21 are provided above and below the positioning plate 3; the elastic air bags 21 are connected to the fixed groove 18 by a hose 22, and the bottom end of the elastic air bag 21 fits with the end face of the electrode plate 2.

[0038] In this example, if Figure 8 and Figure 9As shown, some of the hair button bodies 4 may be connected by a docking method during testing, and the docking connection method will cause excessive resistance when the electrode plate 2 and the positioning plate 3 are separated after the test, affecting the work efficiency of the subsequent hair button body 4 test. When the electrode plate 2 and the positioning plate 3 are separated, the two electrode plates 2 are controlled by the guide mechanism to move in two directions respectively, and then the top of the electrode plate 2 will apply pressure to the elastic airbag 21. After the elastic airbag 21 is squeezed, the gas is transported from the hose 22 to the inside of the fixed groove 18. The fixed groove 18 uses a piston 19 to form a sealed chamber. After the gas is input into the inside of the fixed groove 18, the piston 19 is pushed out due to the increase of gas, and the ejection plate 20 at the bottom of the piston 19 is pushed out synchronously. The ejection plate 20 can eject the electrode plate 2, and apply a pushing force from the inner side where the electrode plate 2 contacts the positioning plate 3, to avoid the situation where the electrode plate 2 and the positioning plate 3 can only be forced from the four corners when separating, causing the electrode plate 2 and the positioning plate 3 to break.

[0039] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A hair button electrical signal testing device, comprising a test box (1), wherein a positioning plate (3) is provided inside the test box (1), and electrode plates (2) are provided above and below the positioning plate (3), and a hair button body (4) is snap-connected inside the positioning plate (3); Its characteristics are: The four corners inside the test box (1) are each provided with a guide mechanism, the guide mechanism being connected to the electrode plate (2), the front and rear ends of the top and bottom of the test box (1) are each provided with a wiping mechanism for cleaning the bottom of the electrode plate (2), the wiping mechanism comprising a rotating rod (11), the rotating rod (11) being rotatably connected to the four corners of the top and bottom inside the test box (1), a traction rope (12) being wound around the outside of the rotating rod (11), and a mounting box (13) being fixedly connected to one side between the traction ropes (12), and a sponge layer (15) being installed inside the mounting box (13) via a connecting spring (14), and a transmission assembly being provided at the top of the test box (1); A fixing groove (18) is provided inside the positioning plate (3), and an auxiliary ejection mechanism for assisting the separation of the electrode plate (2) and the positioning plate (3) is provided inside the fixing groove (18).

2. The hair button electrical signal testing device according to claim 1, characterized in that: The guide mechanism comprises a bidirectional threaded rod (5), and the bidirectional threaded rod (5) is arranged inside the test box (1), the bidirectional threaded rod (5) is arranged at the rear end of the electrode plate (2), the upper end and the lower end of the outer side of the bidirectional threaded rod (5) are respectively threadedly connected to two movable blocks (6), and the sides of the movable blocks (6) are connected to the sides of the electrode plate (2), a limiting frame (7) is arranged at the middle position of the outer side of the bidirectional threaded rod (5), and the inner side of the limiting frame (7) is engaged with the positioning plate (3).

3. The hair button electrical signal testing device according to claim 2, characterized in that: Guide rods (16) are provided on the left and right sides of the front end of the electrode plate (2), and the inner sides of the guide rods (16) are vertically slidably connected to guide blocks (17), and the upper and lower ends of the guide blocks (17) are connected to the top and bottom ends inside the test box (1).

4. The hair button electrical signal testing device according to claim 3, characterized in that: The connecting springs (14) are distributed at equal intervals inside the installation box (13), and an elastic structure is formed between the installation box (13) and the sponge layer (15) via the connecting springs (14).

5. The hair button electrical signal testing device according to claim 4, characterized in that: The transmission assembly includes a driving gear (8), and the driving gear (8) is rotatably connected to the front and rear ends of the top and bottom of the test box (1), the front and rear ends of the driving gear (8) are meshed with tooth plates (9), and the four corners of the top and bottom of the test box (1) are rotatably connected to driven gears (10) that match the tooth plates (9).

6. The hair button electrical signal testing device according to claim 5, characterized in that: The bottom end of the driven gear (10) extends to the interior of the test box (1) through a connecting rod and is connected to the rotating rod (11), and the driven gear (10) is symmetrical about the central axis of the test box (1) in the vertical direction.

7. The hair button electrical signal testing device according to claim 6, characterized in that: The auxiliary ejection mechanism includes a piston (19), and the piston (19) is slidably connected to the inside of the fixed groove (18). An ejection plate (20) is installed on the top end of the piston (19), and the top end of the ejection plate (20) passes through the fixed groove (18) and extends to the upper and lower end surfaces of the positioning plate (3). Elastic air bags (21) are provided above and below the positioning plate (3).

8. The hair button electrical signal testing device according to claim 7, characterized in that: The elastic airbag (21) is connected to the fixing groove (18) via a hose (22), and the bottom end of the elastic airbag (21) is in contact with the end surface of the electrode plate (2).

9. The hair button electrical signal testing device according to claim 8, characterized in that: Also disclosed is a testing method for the testing device, comprising the following steps: S1. Place the wool button body (4) to be tested inside the positioning plate (3), and drive the electrode plate (2) and the positioning plate (3) to fit together through the guide mechanism, so as to form a series connection between the metal patch at the bottom end of the electrode plate (2) and the wool button body (4) engaged inside the positioning plate (3), so as to better test the resistivity of the wool button body (4) and obtain the connection data of the electrical signal; S2, the rotating rod (11) is driven to rotate by the transmission component, and the rotating rod (11) will synchronously drive the traction rope (12) to reel or unreel it when rotating. When the rotating rod (11) on the left is reeling, the rotating rod (11) on the right is unreeling it, so that the installation box (13) connected between the rotating rods (11) can be smoothly moved at the bottom end of the electrode plate (2), and the sponge layer (15) inside the installation box (13) can be attached to the metal patch at the top end of the electrode plate (2) and wipe it. The installation box (13) included in the wiping mechanism is connected to the traction rope (12), so that the installation box (13) can realize the movement of the installation box (13) itself by reeling and unreeling the traction rope (12), and at the same time, a connecting spring (14) is provided inside the installation box (13). By utilizing the connecting spring (14), the sponge layer (15) can always maintain an attached state with the metal patch at the bottom end of the electrode plate (2) and realize the wiping process; When S3, the electrode plate (2) and the positioning plate (3) are separated, the two electrode plates (2) are controlled by the guide mechanism to move in two directions respectively, and then the top of the electrode plate (2) applies pressure to the elastic airbag (21). After the elastic airbag (21) is squeezed, the gas is transported from the hose (22) to the inside of the fixed groove (18). The fixed groove (18) uses the piston (19) to form a sealed chamber. After the gas is input into the inside of the fixed groove (18), the piston (19) is pushed out due to the increase of gas, and the ejection plate (20) at the bottom of the piston (19) is pushed out synchronously. The ejection plate (20) can play an ejection role on the electrode plate (2), and applies an ejection force from the inner side where the electrode plate (2) contacts the positioning plate (3), thereby assisting the separation of the electrode plate (2) and the positioning plate (3).

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