Seat plate machine disc testing mechanism

Abstract

The utility model discloses a base plate machine disc test mechanism, which relates to the technical field of electrical test devices, and comprises a disc test board provided with a plurality of workpiece clamping parts; the annular test board and the disc test board are coaxially arranged, the annular test board can be arranged below the workpiece clamping part in a lifting mode, and a plurality of sets of workpiece test parts are arranged on the annular test board at equal intervals; the lifting pressure plate and the disc test bench are coaxially arranged, the lifting pressure plate can ascend and descend in the axis direction, and a plurality of driving pressure blocks are arranged on the periphery of the lifting pressure plate; and the clamping driving structure is positioned above the workpiece clamping part. According to the base plate machine disc test mechanism, the annular test bench is simultaneously provided with a plurality of groups of workpiece test parts, the workpieces can be charged for multiple times in the circulation process, the capacitor is charged more fully, the rotation efficiency of the turntable is not influenced, and the test accuracy is effectively improved. The lifting pressing disc can simultaneously drive multiple sets of workpiece clamping parts to press downwards, synchronous work of multiple assemblies is achieved through a single structure, the mechanism structure is simplified, the construction cost is reduced, and later maintenance is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical testing devices, and particularly relates to a disc testing mechanism for a base plate machine. Background Art

[0002] The detection, adjustment, classification, collection, packaging, etc. of existing inductor products are all completed by different devices on different production lines. To a certain extent, the products produced by this method can ensure product quality. However, since this method requires the application of different devices and different unified working processes, it takes a long time to complete the entire working system. At the same time, products are also prone to confusion during the alternating work process, indirectly affecting product quality.

[0003] CN201721131923.6 discloses a disc-type inductor product testing and printing packaging machine, which includes a vibrating disk feeding mechanism, a main body working mechanism, a human-machine combined control system, and a sheet metal frame; the main body working mechanism includes a turntable main mechanism and a packaging main mechanism suitable for the work of inductor products; the turntable main mechanism is mainly composed of a pre-positioning mechanism, a direction testing mechanism, a rotating mechanism, a gear position testing mechanism, an optical testing mechanism, a classification mechanism, a calibration positioning mechanism, and a blanking mechanism installed around the turntable mechanism in sequence, and the packaging main mechanism is mainly composed of a loading induction mechanism, an image detection mechanism, a printing and inkjet coding mechanism, and a heat sealing mechanism installed linearly along the tape running main body.

[0004] During the working process of the existing disc testing mechanism, multiple driving mechanisms are required to control the working conditions of different stations, resulting in a complex overall structure of the mechanism, a short charging time for capacitance testing, affecting the testing efficiency and accuracy, and being inconvenient for subsequent maintenance. Content of the Utility Model

[0005] The utility model aims to at least solve the technical problem of "during the working process of the existing disc testing mechanism, multiple driving mechanisms are required to control the working conditions of different stations, resulting in a complex overall structure of the mechanism, a short charging time for capacitance testing, affecting the testing efficiency and accuracy, and being inconvenient for subsequent maintenance" existing in the prior art. For this purpose, the utility model provides a disc testing mechanism for a base plate machine, with a simplified overall structure and more convenient subsequent maintenance. It can control the work of multiple stations simultaneously, has a longer capacitance charging time without affecting the rotation efficiency of the disc, and improves the accuracy of capacitance performance testing.

[0006] According to some embodiments of the utility model, the disc testing mechanism for a base plate machine includes:

[0007] A disc testing table, on the periphery of which a plurality of workpiece clamping parts are equidistantly arranged, and the disc testing table rotates around its axis as the rotation center;

[0008] A ring-shaped test bench is coaxially arranged with the disc test bench and can be lifted and lowered below the workpiece clamping part. Multiple groups of workpiece test parts are equidistantly arranged on the ring-shaped test bench, and the setting distance between adjacent workpiece test parts is equal to the setting distance between adjacent workpiece clamping parts;

[0009] A lifting pressure plate is coaxially arranged with the disc test bench and can be lifted and lowered along the axial direction. A plurality of driving pressure blocks are arranged on the periphery of the lifting pressure plate, and the driving pressure blocks extend above the workpiece clamping part. When the lifting pressure plate descends, it can simultaneously drive multiple groups of the workpiece clamping parts to press down;

[0010] A clamping driving structure is arranged on one side of the driving pressure block and above the workpiece clamping part for driving the workpiece clamping part to load and unload workpieces;

[0011] Among them, a loading station, a defective product discharging station and a tape loading station are arranged on the periphery of the disc test bench, and the workpiece clamping part circulates in the loading station, the workpiece test part, the defective product discharging station and the tape loading station in sequence;

[0012] The driving pressure blocks are arranged at positions corresponding to the loading station, the defective product discharging station and the tape loading station.

[0013] According to some embodiments of the present invention, the workpiece clamping part includes a gripper seat and a sliding seat. The gripper seat is fixedly connected to the disc test bench, the sliding seat is slidably connected in the gripper seat, and a return compression spring is arranged between the sliding seat and the gripper seat for resetting the position of the sliding seat.

[0014] According to some embodiments of the present invention, oppositely arranged gripper arms and an opening and closing pressure rod for driving the two gripper arms to open and close are arranged on the sliding seat, and the clamping driving structure pushes the opening and closing pressure rod to open and close the two gripper arms to clamp the workpiece.

[0015] According to some embodiments of the present invention, the workpiece clamping part includes a blanking part, and the ejector pin of the blanking part is located between the two gripper arms, and the clamping driving structure drives the blanking part to push the workpiece between the two gripper arms to fall off.

[0016] According to some embodiments of the present invention, three groups of clamping driving structures are arranged at the loading station, the defective product discharging station and the tape loading station respectively, and the three groups of clamping driving structures independently correspond to the opening and closing of the workpiece clamping part respectively.

[0017] According to some embodiments of the present invention, the three groups of clamping driving structures are installed on a mounting seat, and the mounting seat drives the three groups of clamping driving structures to lift and lower synchronously.

[0018] According to some embodiments of the present utility model, the annular test bench is semi-circular, and the workpiece test part is provided with a capacity test station, a charging test station, a short-circuit test station, and a discharging test station. There are at least two groups of the charging test stations for fully charging the workpiece.

[0019] According to some embodiments of the present utility model, the defective product discharging station is located on one side of the discharging test station, and there are two groups of the discharging test stations.

[0020] According to some embodiments of the present utility model, the lifting and pressing plate is provided with three groups of the driving pressing blocks, and the driving pressing blocks extend from the edge of the lifting and pressing plate to the sliding seat corresponding to the workpiece clamping part;

[0021] When the lifting and pressing plate presses down, the three groups of the driving pressing blocks simultaneously drive the workpiece clamping parts at corresponding positions to press down; when the lifting and pressing plate resets, the return compression spring drives the sliding seat to reset.

[0022] According to some embodiments of the present utility model, it includes a guiding column. The guiding column is arranged on one side of the disc test bench, and the lifting and pressing plate is sleeved with the guiding column by arranging a positioning rod.

[0023] The disc test mechanism of the seat plate machine according to some embodiments of the present utility model has at least the following beneficial effects: The annular test bench is provided with multiple groups of the workpiece test parts at the same time. During the workpiece flow process, the workpiece can be charged multiple times, the capacitor is charged more fully and does not affect the rotation efficiency of the turntable, effectively improving the test accuracy. The lifting and pressing plate can simultaneously drive multiple groups of the workpiece clamping parts to press down, realizing the synchronous operation of multiple components through a single structure, simplifying the mechanism structure, reducing the construction cost, and being more convenient for later maintenance.

[0024] The additional aspects and advantages of the present utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0026] Figure 1 is a three-dimensional schematic diagram of the disc test mechanism of the seat plate machine according to the embodiment of the present utility model;

[0027] Figure 2 is a top view of the disc test mechanism of the seat plate machine according to the embodiment of the present utility model;

[0028] Figure 3 is a schematic diagram of the lifting and pressing plate of the disc test mechanism of the seat plate machine according to the embodiment of the present utility model;

[0029] Figure 4 Schematic diagram of the clamping drive structure of the disc testing mechanism of the seat board machine in the embodiment of the present utility model;

[0030] Figure 5 Schematic diagram of the workpiece clamping part of the disc testing mechanism of the seat board machine in the embodiment of the present utility model;

[0031] Figure 6 Schematic diagram of the annular testing table of the disc testing mechanism of the seat board machine in the embodiment of the present utility model.

[0032] Reference numerals:

[0033] Loading station 101, defective product discharging station 102, tape loading station 103,

[0034] Disc testing table 110, workpiece clamping part 120, gripper seat 121, sliding seat 122, return compression spring 123, gripper arm 124, opening and closing pressure rod 125, unloading part 126,

[0035] Annular testing table 130, workpiece testing part 131, capacity testing station 131a, charging testing station 131b, short - circuit testing station 131c, discharging testing station 131d,

[0036] Step - up and step - down disc 140, driving pressure block 141, positioning rod 142, guiding column 150, clamping drive structure 160, mounting seat 170. Detailed implementation manners

[0037] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present utility model, and should not be construed as a limitation of the present utility model.

[0038] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, top, bottom, etc., is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.

[0039] In the description of the present utility model, the meaning of "a number of" is one or more, the meaning of "a plurality of" is more than two, and understandings such as "greater than", "less than", "exceeding", etc. do not include the corresponding number, and understandings such as "above", "below", "within", etc. include the corresponding number. If there is a description of "first" and "second", it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0040] In the description of the present utility model, unless otherwise clearly defined, words such as "arrangement", "installation", "connection", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.

[0041] The following refers to Figures 1-6 Describe the disc testing mechanism of the seat board machine according to an embodiment of the present utility model.

[0042] As Figures 1-6 As shown, the disc testing mechanism of the seat board machine includes a disc testing table 110, an annular testing table 130, a lifting and pressing disc 140, and a clamping driving structure 160. Specifically, a plurality of workpiece clamping parts 120 are equidistantly arranged on the periphery of the disc testing table 110, and the disc testing table 110 rotates self - centered around the axis. The structures of the workpiece clamping parts 120 on the disc testing table 110 are equal and arranged at equal intervals, forming a rotating disc. The workpiece clamping parts 120 on the disc rotate cyclically under the drive of self - rotation and pass through different workstations.

[0043] The annular testing table 130 is coaxially arranged with the disc testing table 110 and can be lifted and lowered below the workpiece clamping part 120. A plurality of groups of workpiece testing parts 131 are equidistantly arranged on the annular testing table 130, and the setting interval between adjacent workpiece testing parts 131 is equal to the setting interval between adjacent workpiece clamping parts. Specifically, the annular testing table 130 moves synchronously with the disc testing table 110 on one side of the disc testing table 110. When the disc testing table 110 makes one move, the annular testing table 130 lifts and lowers once, so as to perform performance testing on the workpieces on the workpiece clamping part 120.

[0044] The workpiece clamping parts 120 on the disc testing table 110 pass through the workpiece testing parts 131 on the annular testing table 130 in sequence, and the interval between adjacent workpiece testing parts 131 is equal to the interval between adjacent workpiece clamping parts 120. Every time the disc testing table 110 makes a move, the workpiece clamping part 120 flows from the corresponding workpiece testing part 131 to the next workpiece testing part 131, and the corresponding workpiece testing part 131 rises to dock with the workpiece for performance testing and then descends to reset.

[0045] The step-up and step-down pressing plate 140 is coaxially arranged with the disc test bench 110 and can be lifted and lowered along the axial direction. A plurality of driving pressing blocks 141 are arranged on the periphery of the step-up and step-down pressing plate 140. The driving pressing blocks 141 extend above the workpiece clamping part 120. When the step-up and step-down pressing plate 140 descends, it can drive multiple groups of workpiece clamping parts 120 to press down simultaneously. Specifically, when the disc test bench 110 rotates, it can only drive the workpiece clamping part 120 to rotate above the corresponding station. In order to make the workpiece clamping part 120 descend to a position close to the station, it is necessary for the step-up and step-down pressing plate 140 to drive the workpiece clamping part 120 to descend to the corresponding station.

[0046] The clamping driving structure 160 is arranged on one side of the driving pressing block 141 and above the workpiece clamping part 120, and is used to drive the workpiece clamping part 120 to load and unload workpieces. Each group of driving pressing blocks 141 is equipped with a group of clamping driving structures 160. When the driving pressing block 141 makes the workpiece clamping part 120 approach the station, the clamping driving structure 160 can control the opening and closing of the workpiece clamping part 120 to grasp or release the workpiece.

[0047] Among them, a loading station 101, a defective product discharging station 102, and a tape loading station 103 are arranged on the periphery of the disc test bench 110. The workpiece clamping part 120 circulates through the loading station 101, the workpiece testing part 131, the defective product discharging station 102, and the tape loading station 103 in sequence. The driving pressing blocks 141 are arranged corresponding to the positions of the loading station 101, the defective product discharging station 102, and the tape loading station 103.

[0048] In this embodiment, the three stations that the workpiece clamping part 120 needs to actively press down and approach are the loading station 101, the defective product discharging station 102, and the tape loading station 103 respectively. The station of the workpiece testing part 131 is actively approached by the annular test bench 130.

[0049] By using the step-up and step-down pressing plate 140 to press down multiple workpiece clamping parts 120 simultaneously, compared with the existing independent driving structure, the overall number of components of the testing mechanism of the present invention is less, the working reliability is more stable, and the subsequent maintenance of the mechanism is more convenient. The cooperation of the annular test bench 130 and the disc test bench 110 can effectively solve the problem that the short charging time of the capacitive workpiece affects the accuracy of performance testing. On the premise of maintaining the working rate of the testing mechanism, the charging times of the capacitive workpiece are increased to achieve the effect of full charging. And the number of workpiece testing parts 131 of the annular test bench 130 can be adjusted according to actual testing requirements. The staff only needs to install the workpiece testing parts 131 with corresponding testing functions on the annular test bench 130. The overall structure of the disc testing mechanism is simplified, the overall maintainability is improved, and the detection accuracy is improved.

[0050] In some embodiments of the present invention, such as Figure 1 、 Figure 2 and Figure 5As shown, the workpiece clamping portion 120 includes a gripper seat 121 and a slide seat 122. The gripper seat 121 is fixedly connected to the disk test bench 110. The slide seat 122 is slidably connected within the gripper seat 121. A return compression spring 123 is provided between the slide seat 122 and the gripper seat 121, and the return compression spring 123 is used to reset the position of the slide seat 122.

[0051] Specifically, the gripper seat 121 is fixedly connected to the disk test bench 110. The slide seat 122 is sleeved on the gripper seat 121 and can move along the extending direction of the gripper seat 121. The return compression spring 123 is sleeved on the slide seat 122. When the slide seat 122 is driven by the driving block 141 to move downward within the gripper seat 121, the slide seat 122 squeezes the return compression spring 123, and at this time, the return compression spring 123 is compressed. When the driving block 141 resets, the elastic potential energy of the return compression spring 123 is converted into kinetic energy to drive the slide seat 122 to reset.

[0052] Further, as Figure 1 and Figure 5 shown, the slide seat 122 is provided with oppositely arranged gripper arms 124 and an opening and closing lever 125 for driving the two gripper arms 124 to open and close. The clamping driving structure 160 pushes the opening and closing lever 125 to open and close the two gripper arms 124 to clamp the workpiece.

[0053] Specifically, the gripper arms 124 are arranged on the slide seat 122. When the slide seat 122 moves up and down, the gripper arms 124 move up and down synchronously so that the gripper arms 124 approach the workpiece. The opening and closing lever 125 is driven independently by the clamping driving structure 160. When the opening and closing lever 125 is pressed down, the opening and closing lever 125 squeezes the two gripper arms 124 to move outward to open. When the clamping driving structure 160 resets, the opening and closing lever 125 is reset by the return spring to close the two gripper arms 124 to clamp the workpiece. The structure of the opening and closing lever 125 driving the two gripper arms 124 to open and close is a well-known technical solution to those skilled in the art and will not be described in detail in this embodiment.

[0054] Further, as Figure 5 shown, the workpiece clamping portion 120 includes a material discharging portion 126. The ejector pin of the material discharging portion 126 is located between the two gripper arms 124. The clamping driving structure 160 drives the material discharging portion 126 to push the workpiece between the two gripper arms 124 to fall off.

[0055] Specifically, the material discharging portion 126 is driven by the clamping driving structure 160 and pushed downward to accelerate the workpiece to fall into the designated working position from within the gripper arms 124. The material discharging portion 126 also uses a return spring for reset. After the clamping driving structure 160 is separated from the material discharging portion 126, the return spring pushes the material discharging portion 126 to reset.

[0056] The workpiece clamping part 120 in this embodiment is realized by mechanical component transmission, which saves the overall driving components of the disc testing mechanism, reduces the damage rate of the mechanism, and has better working stability.

[0057] In some embodiments of the present utility model, such as Figure 1 , Figure 2 and Figure 4 shown, three groups of clamping drive structures 160 are provided, which are respectively arranged at the loading station 101, the defective product discharging station 102 and the tape loading station 103. The three groups of clamping drive structures 160 respectively and independently correspond to the opening and closing of the workpiece clamping part 120. Specifically, the clamping drive structure 160 adopts a cylinder structure, which mainly plays a role in pushing the opening and closing pressure rod 125 and the unloading part 126. The cylinder structure is a well-known technical solution to those skilled in the art and will not be described in detail in this embodiment.

[0058] Furthermore, as Figure 1 , Figure 2 and Figure 4 shown, the three groups of clamping drive structures 160 are installed on the mounting seat 170, and the mounting seat 170 drives the three groups of clamping drive structures 160 to lift and lower synchronously. Specifically, in other embodiments, the clamping drive structure 160 can be respectively installed on the corresponding driving pressure block 141 and lift and lower synchronously with the driving pressure block 141. However, it is not convenient to adjust the position of the driving pressure block 141 of the lifting and lowering pressure plate 140 when installed on the driving pressure block 141. In this embodiment, the independently lifting mounting seat 170 drives the three groups of clamping drive structures 160 to move synchronously. The mounting seat 170 lifts and lowers synchronously with the lifting and lowering pressure plate 140. And the actions of the clamping drive structures 160 on the mounting seat 170 can be independently controlled. When the ring-shaped test bench 130 detects a defective capacitor product, the clamping drive structure 160 at the defective product discharging station 102 pushes the opening and closing pressure rod 125 to make the capacitor product fall into the defective product collection area. When the capacitor product is detected to be qualified and the workpiece clamping part 120 is transferred to the defective product discharging station 102, the clamping drive structure 160 does not work.

[0059] In some embodiments of the present utility model, such as Figure 1 , Figure 2 and Figure 6 shown, the ring-shaped test bench 130 is in a semi-circular ring shape, and the workpiece test part 131 is provided with a capacitance test station 131a, a charging test station 131b, a short-circuit test station 131c and a discharging test station 131d. There are at least two groups of charging test stations 131b for fully charging the workpiece.

[0060] Specifically, the numbers of the capacitance test station 131a and the charging test station 131b are adaptively adjusted according to different situations. It should be understood that, without departing from the basic concept of the present utility model, the number of the test stations can be flexibly changed, and all should be regarded as within the protection scope defined by the present utility model.

[0061] Further, as shown in Figure 1 and Figure 6 , the defective product discharging station 102 is located on one side of the discharge test station 131d, and there are two sets of the discharge test stations 131d, which improves the detection accuracy of the capacitor discharge performance.

[0062] In some embodiments of the present utility model, as shown in Figures 1-3 , the step-up and step-down disc 140 is provided with three groups of driving blocks 141, and the driving blocks 141 extend from the edge of the step-up and step-down disc 140 to the slide seat 122 of the corresponding workpiece clamping portion 120. When the step-up and step-down disc 140 is pressed down, the three groups of driving blocks 141 simultaneously drive the corresponding workpiece clamping portion 120 to be pressed down; when the step-up and step-down disc 140 resets, the return compression spring 123 drives the slide seat 122 to reset.

[0063] Specifically, the number of the driving blocks 141 of the step-up and step-down disc 140 can be adjusted according to the actual situation, which is convenient for the subsequent rapid adjustment of the layout of the test mechanism to cope with the detection of different products. Only by installing the driving blocks 141 at the corresponding stations can the corresponding workpiece clamping portion 120 be driven to be pressed down.

[0064] Further, as shown in Figures 1-3 , it includes a guide post 150, the guide post 150 is arranged on one side of the disc test bench 110, and the step-up and step-down disc 140 is sleeved with the guide post 150 by arranging a positioning rod 142. Specifically, the guide post 150 can improve the lifting stability of the step-up and step-down disc 140, so that the operation of the disc test mechanism is more stable.

[0065] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0066] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A disc testing mechanism for a seat board machine, characterized in that, Comprising: A disc test bench (110), on the periphery of which a plurality of workpiece clamping parts (120) are equidistantly arranged, and the disc test bench (110) rotates around its axis; An annular test bench (130), coaxially arranged with the disc test bench (110), and can be lifted and arranged below the workpiece clamping parts (120). On the annular test bench (130), a plurality of groups of workpiece test parts (131) are equidistantly arranged, and the setting distance between adjacent workpiece test parts (131) is equal to the setting distance between adjacent workpiece clamping parts; A lifting pressure plate (140), coaxially arranged with the disc test bench (110) and can be lifted along the axis direction. A plurality of driving pressure blocks (141) are arranged on the periphery of the lifting pressure plate (140), and the driving pressure blocks (141) extend above the workpiece clamping parts (120). When the lifting pressure plate (140) descends, it can drive a plurality of groups of the workpiece clamping parts (120) to press down simultaneously; A clamping driving structure (160), arranged on one side of the driving pressure block (141) and located above the workpiece clamping parts (120), for driving the workpiece clamping parts (120) to load and unload workpieces; Wherein, a loading station (101), a defective product discharging station (102) and a tape loading station (103) are arranged on the periphery of the disc test bench (110), and the workpiece clamping parts (120) circulate in the loading station (101), the workpiece test parts (131), the defective product discharging station (102) and the tape loading station (103) in sequence; The driving pressure block (141) is arranged corresponding to the positions of the loading station (101), the defective product discharging station (102) and the tape loading station (103).

2. The seat plate machine disk testing mechanism according to claim 1, characterized in that, The workpiece clamping part (120) comprises a clamp seat (121) and a sliding seat (122). The clamp seat (121) is fixedly connected with the disc test bench (110), the sliding seat (122) is slidably connected in the clamp seat (121), and a return compression spring (123) is arranged between the sliding seat (122) and the clamp seat (121), and the return compression spring (123) is used to reset the position of the sliding seat (122).

3. The seat board machine disc testing mechanism according to claim 2, characterized in that, On the sliding seat (122), there are oppositely arranged clamping arms (124) and an opening and closing pressure rod (125) for driving the two clamping arms (124) to open and close. The clamping driving structure (160) pushes the opening and closing pressure rod (125) to make the two clamping arms (124) open and clamp the workpiece.

4. The seat plate machine disc testing mechanism according to claim 3, characterized in that, The workpiece clamping part (120) comprises a material discharging part (126), and the ejector pin of the material discharging part (126) is located between the two clamping arms (124). The clamping driving structure (160) drives the material discharging part (126) to push the workpiece between the two clamping arms (124) to fall off.

5. The seat plate machine disc testing mechanism according to claim 4, characterized in that, The clamping drive structure (160) is provided with three groups, which are respectively arranged at the loading station (101), the defective product discharging station (102) and the tape loading station (103). The three groups of the clamping drive structures (160) independently correspond to the opening and closing of the workpiece clamping part (120).

6. The seat plate machine disc testing mechanism according to claim 5, characterized in that, The three groups of the clamping drive structures (160) are installed on the mounting seat (170), and the mounting seat (170) drives the three groups of the clamping drive structures (160) to lift synchronously.

7. The seat plate machine disc testing mechanism according to claim 2, characterized in that, The annular test bench (130) is semi-circular. The workpiece test part (131) is provided with a capacity test station (131a), a charging test station (131b), a short-circuit test station (131c) and a discharging test station (131d). The charging test station (131b) is provided with at least two groups for fully charging the workpiece.

8. The disk testing mechanism of the seat board machine according to claim 7, characterized in that, The defective product discharging station (102) is located on one side of the discharging test station (131d), and the discharging test station (131d) is provided with two groups.

9. The seat plate machine disc testing mechanism according to claim 2, wherein The lifting and pressing plate (140) is provided with three groups of the driving pressing blocks (141), and the driving pressing blocks (141) extend from the edge of the lifting and pressing plate (140) to the sliding seat (122) corresponding to the workpiece clamping part (120). When the lifting and pressing plate (140) presses down, the three groups of the driving pressing blocks (141) simultaneously drive the workpiece clamping parts (120) at corresponding positions to press down; when the lifting and pressing plate (140) resets, the return compression spring (123) drives the sliding seat (122) to reset.

10. The seat plate machine disc testing mechanism according to claim 9, characterized in that, It includes a guide post (150). The guide post (150) is arranged on one side of the disc test bench (110), and the lifting and pressing plate (140) is sleeved with the guide post (150) by setting a positioning rod (142).

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