General test device and test system
By designing a detachable pressure plate module and a locking structure for the pin carrier board module, the problem of poor versatility of existing PCBA testing fixtures is solved, achieving efficient product switching and cost reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SHENZHEN H&T INTELLIGENT CONTROL
- Filing Date
- 2026-03-24
- Publication Date
- 2026-06-09
Smart Images
Figure CN122171982A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of test fixture technology, and in particular to a general-purpose test device and test system. Background Technology
[0002] In the production process of PCBA boards for various electronic products, PCBA testing is an important and indispensable step in ensuring that the function and performance of each PCBA meet the product design requirements. PCBA testing generally requires the use of PCBA testing fixtures.
[0003] However, in practical applications, each PCBA requires a specifically designed test fixture, and these fixtures are not interchangeable, resulting in wasted investment and increased testing costs. To reduce waste and lower testing costs, a universal PCBA test fixture device that allows for quick replacement of modular pin carriers and pressure plates needs to be designed. Summary of the Invention
[0004] The technical problem to be solved by this application is to provide a universal testing device and testing system to overcome the technical defects of existing testing devices, such as poor versatility and low switching efficiency between different products.
[0005] In a first aspect, this application provides a universal testing device, comprising a fixture body, a pressure-lifting assembly, a pressure plate module, and a needle carrier plate module. The fixture body includes a worktable, a first support mounted on the worktable, and a first guide component. The pressure-lifting assembly includes a driving component and a supporting component; the driving component is mounted on the first support, and the supporting component is movably mounted on the first guide component. The pressure plate module is detachably mounted on the supporting component, the supporting component having a first locking structure, and the pressure plate module having a second locking structure adapted to the first locking structure. The needle carrier plate module is detachably mounted on the worktable, the worktable having a third locking structure, and the needle carrier plate module having a fourth locking structure adapted to the third locking structure. The needle carrier plate module is used to place the product to be tested, and the driving component is used to drive the supporting component to move, thereby causing the pressure plate module to move towards or away from the product to be tested.
[0006] In some embodiments, the supporting component includes a first substrate, which is fixedly connected to the driving component and movably connected to the first guiding component; the first locking structure includes a first pressing member and a first resetting member, the first pressing member is rotatably disposed on the edge of the first substrate, and the first resetting member connects the first pressing member and the first substrate; the first pressing member has a locked position and an unlocked position relative to the first substrate, the first pressing member is engaged with the second locking structure in the locked position, and the first resetting member is used to drive the first pressing member to move from the unlocked position to the locked position.
[0007] In some embodiments, the first pressing member includes a main body and a pressing part and a hook part located at both ends of the main body. The main body is provided with a first rotating shaft and is rotatably connected to the first substrate through the first rotating shaft. The first reset member includes a spring, and the two ends of the spring are fixed to the main body and the first substrate respectively. The edge of the pressure plate module is provided with a slot adapted to the hook part. When the hook part is engaged with the slot, the pressure plate module is fixed relative to the first substrate.
[0008] In some embodiments, a first guide structure is provided on the side of the hook away from the pressing part, the first guide structure being used to abut against the edge of the pressure plate module so that the pressure plate module pushes the first pressing member from the locked position to the unlocked position; and / or, a second guide structure is provided on the edge of the pressure plate module, the second guide structure being used to abut against the hook so that the pressure plate module pushes the first pressing member from the locked position to the unlocked position.
[0009] In some embodiments, the first guide structure includes a first inclined surface; the pressure plate module includes a second substrate, the second guide structure includes a second bracket and a second rotating shaft, the second bracket is disposed at the edge of the second substrate, the second bracket is located on the surface of the second substrate facing the bearing member, the second rotating shaft is rotatably disposed on the second bracket, and the second rotating shaft is used to abut against the first inclined surface.
[0010] In some embodiments, the bearing component further includes a first positioning portion disposed on the first substrate, and the pressure plate module further includes a second positioning portion disposed on the second substrate, the first positioning portion and the second positioning portion being adapted to be connected; and / or, the bearing component further includes a support member, the support member being located on the side of the first substrate facing the second substrate, the support member being used to abut against the second substrate, and under the combined action of the support member and the hook portion, the second substrate is clamped and fixed relative to the first substrate.
[0011] In some embodiments, the third locking structure includes a rotating stop and a fixing member. The rotating stop is rotatably disposed on the worktable, and the fixing member is connected to the rotating stop and / or the worktable. The fixing member is used to fix or unlock the rotating stop relative to the worktable. The pin carrier module includes a third substrate, which is detachably disposed on the worktable. The edge region of the third substrate forms a fourth locking structure, and the rotating stop can be snapped and fixed to the third substrate.
[0012] In some embodiments, the needle carrier plate module further includes a third positioning part, the worktable is provided with a fourth positioning part, and the third positioning part and the fourth positioning part are matched and connected; and / or, the tooling body further includes a first communication component, the first communication component is provided with a first electrical contact part, the needle carrier plate module further includes a second communication component, the second communication component is provided with a second electrical contact part, and when the first electrical contact part and the second electrical contact part abut, the first communication component and the second communication component can be electrically connected.
[0013] In some embodiments, the driving component includes one of a cylinder, a hydraulic cylinder, and a motor drive module; or, the driving component includes a mounting base, a driving rod, and a handle. The mounting base is disposed on the first bracket, and the driving rod and the handle are both movably disposed on the mounting base. The end of the driving rod is fixedly connected to the first substrate, and the handle drives the driving rod to move, so that the first substrate reciprocates under the guidance of the first guiding component.
[0014] Secondly, this application provides a testing system, including a general testing apparatus.
[0015] The beneficial effects of this application's embodiments are as follows: In the structure of the general testing device of this application, the tooling body and the pressure-lifting assembly are universal structures, adaptable to various types of pressure plate modules and needle carrier plate modules. By setting a first locking structure on the bearing component and a third locking structure on the worktable, and by designing both the pressure plate module and the needle carrier plate module as independent modules that can be quickly disassembled and replaced, each having a corresponding second locking structure and a fourth locking structure, when different products need to be tested, only the pressure plate module and / or needle carrier plate module adapted to the new product needs to be replaced, while the tooling body and the pressure-lifting assembly remain unchanged. This greatly improves the versatility of the testing device and the efficiency of product switching, and also reduces the cost of developing the testing device. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the specific embodiments of this application, the accompanying drawings used in the description of the specific embodiments will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.
[0017] Figure 1 This is a schematic diagram of a general testing device according to the embodiments of this application.
[0018] Figure 2 This is another schematic diagram of the general testing device in the embodiments of this application.
[0019] Figure 3 yes Figure 1 A magnified schematic diagram of part A in the middle.
[0020] Figure 4 yes Figure 2 A magnified schematic diagram of part B in the middle.
[0021] Figure 5 yes Figure 3 A magnified schematic diagram of part C in the middle.
[0022] Figure 6 This is a partial cross-sectional view of the general testing apparatus in the embodiments of this application.
[0023] Figure 7This is a partial exploded view of the general testing device in the embodiments of this application.
[0024] The reference numerals in the detailed embodiments are as follows: 100. General-purpose testing equipment; 10. Tooling body; 11. Workbench; 111. Third locking structure; 1111. Rotary stop; 1112. Fixture; 112. Fourth positioning part; 12. First bracket; 13. First guide component; 14. First communication component; 141. First contact part; 20. Pressing and lifting assembly; 21. Driving component; 211. Mounting base; 212. Driving rod; 213. Handle; 22. Bearing component; 221. First base plate; 222. First locking structure; 2221. First pressing member; 22211. Main body; 22212. Pressing part; 22213. Hook part; 22214. First rotating shaft; 22215. First guide structure; 2222. First resetting member; 223. First positioning part; 224. Support member; 30. Pressure plate module; 31. Second base plate; 311. Slot; 32. Second locking structure; 33. Second guide structure; 331. Second bracket; 332. Second rotating shaft; 34. Second positioning part; 40. Needle carrier board module; 41. Third substrate; 42. Fourth locking structure; 43. Third positioning part; 44. Second communication component; 441. Second contact part. Detailed Implementation
[0025] To facilitate understanding of this application, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or one or more intermediate elements may exist between them. When an element is described as "connected" to another element, it can be directly connected to the other element, or one or more intermediate elements may exist between them. The terms "upper," "lower," "inner," "outer," "vertical," "horizontal," etc., used in this specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0026] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the application. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.
[0027] Furthermore, the technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.
[0028] In the production and testing of electronic products, functional tests are frequently required on printed circuit boards, chip modules, and other components of different models, sizes, or with varying testing requirements. When frequently changing product models, traditional integrated testing fixtures are inefficient, severely impacting production efficiency. The embodiments of this application aim to provide a modular and versatile testing device to enable rapid product changeover.
[0029] like Figures 1 to 7 As shown, this application embodiment provides a universal testing device 100, which includes a tooling body 10, a pressure lifting assembly 20, a pressure plate module 30, and a needle carrier plate module 40. The tooling body 10 constitutes the fixed frame of the universal testing device 100, and the universal testing device 100 includes a worktable 11, a first support 12 vertically arranged on the rear side of the worktable 11, and a first guide component 13 arranged on the first support 12.
[0030] The lifting assembly 20 includes a driving component 21 and a supporting component 22. The driving component 21 is fixedly installed on the top or side of the first bracket 12, and the supporting component 22 is movably connected to the first guide component 13, so that the supporting component 22 can reciprocate vertically along the first guide component 13 under the drive of the driving component 21.
[0031] The pressure plate module 30 is detachably installed below the support component 22. The support component 22 is provided with a first locking structure 222, and the pressure plate module 30 is provided with a second locking structure 32 adapted to the first locking structure 222. The needle carrier plate module 40 is detachably placed on the worktable 11. The worktable 11 is provided with a third locking structure 111, and the needle carrier plate module 40 is provided with a fourth locking structure 42 adapted to the third locking structure 111. The needle carrier plate module 40 is used to place the product to be tested.
[0032] During testing, the drive component 21 drives the carrier component 22 to move downward, thereby causing the pressure plate module 30 to press against the product under test, such as a PCBA circuit board, placed on the pin carrier module 40, so that the test probes on the pin carrier module 40 can reliably contact the test points of the product under test. After the test is completed, the drive component 21 drives the carrier component 22 to move upward, causing the pressure plate module 30 to move away from the product under test, so that the product under test can be removed from the pin carrier module 40 and the test is completed.
[0033] In the structure of the universal testing device 100 of this application embodiment, the tooling body 10 and the pressure-lifting assembly 20 are universal structures that can be adapted to various types of pressure plate modules 30 and needle carrier plate modules 40. By setting a first locking structure 222 on the bearing component 22 and a third locking structure 111 on the worktable 11, and by designing both the pressure plate module 30 and the needle carrier plate module 40 as independent modules that can be quickly disassembled and replaced, and each having a corresponding second locking structure 32 and a fourth locking structure 42, when different products need to be tested, only the pressure plate module 30 and / or the needle carrier plate module 40 adapted to the new product need to be replaced, while the tooling body 10 and the pressure-lifting assembly 20 do not need to be changed. This greatly improves the versatility of the testing device and the product switching efficiency, and can also reduce the cost of developing the testing device.
[0034] In some embodiments, please refer to Figure 1 and Figure 2 The supporting component 22 includes a flat first base plate 221. The upper surface of the first base plate 221 is fixedly connected to the output end of the driving component 21 (such as the piston rod of a cylinder or the end of the driving rod 212). The side of the first base plate 221 is movably connected to the first guide component 13 (such as a guide post or linear guide rail) through structures such as sliders, sleeves, and bearings to ensure smooth movement.
[0035] The first locking structure 222 is disposed in the middle or edge region of the first substrate 221. The first locking structure 222 can take many forms, as long as it can fix the pressure plate module 30 to the first substrate 221. For example, the first locking structure 222 can be a snap-fit structure, a plug-in structure, a screw-fit structure, a magnetic structure, or an electromagnet, etc.
[0036] As an example, please refer to Figure 3 and Figure 5A first locking structure 222 is disposed at the edge of the first substrate 221. The first locking structure 222 includes a first pressing member 2221 and a first resetting member 2222. The first pressing member 2221 is rotatably connected to the edge of the first substrate 221 via a pivot or similar means. The first resetting member 2222 is connected between the first pressing member 2221 and the first substrate 221, and can provide elastic force or tension to the first pressing member 2221. The first pressing member 2221 has two main positions relative to the first substrate 221: a locked position and an unlocked position. Figure 6 The shown state is that the first pressing element 2221 is in the locked position. Figure 6 In the locked state, when the first pressing member 2221 rotates clockwise around the first rotating shaft 22214, it can switch from the locked position to the unlocked position.
[0037] When the first pressing member 2221 is in the locked position, it can form a snap-fit connection with the second locking structure 32 on the pressure plate module 30, thereby locking the pressure plate module 30 onto the first base plate 221. The first reset member 2222 is configured to apply a force to the first pressing member 2221 to drive the first pressing member 2221 to automatically return from the unlocked position to the locked position. When it is necessary to disassemble the pressure plate module 30, manually pressing the first pressing member 2221 to overcome the force of the first reset member 2222 and rotate it from the locked position to the unlocked position can release the lock on the pressure plate module 30, realizing tool-free quick disassembly.
[0038] In some embodiments, please refer to Figure 6 The first pressing member 2221 is designed as a lever, comprising a long strip-shaped main body 22211, and pressing portions 22212 and hook portions 22213 respectively provided at both ends of the main body 22211. A first pivot 22214 is provided in the middle region of the main body 22211, and is rotatably connected to the edge of the first substrate 221 through the first pivot 22214, so that the first pressing member 2221 can rotate with the first pivot 22214 as the fulcrum.
[0039] The first reset member 2222 can be a spring or a torsion spring, with its two ends fixed to the main body 22211 and the first base plate 221, respectively. The spring or torsion spring exerts a pulling or pushing force on the first pressing member 2221. As an example, the spring 2222 is disposed between the first rotating shaft 22214 and the pressing member 22212, and the spring 2222 exerts a pushing force on the main body 22211 to keep it in the locked position. The edge of the pressure plate module 30 is provided with a slot 311 that matches the shape of the hook 22213 as a second locking structure 32. When the pressure plate module 30 is installed in place and the first pressing member 2221 is in the locked position, the hook 22213 retracts and rotates to hook the inner wall of the slot 311. Under the action of the spring, the hook 22213 and the slot 311 are tightly engaged, thereby firmly fixing the pressure plate module 30 to the first base plate 221.
[0040] To further simplify the installation process and achieve the "push-in lock" function, in some embodiments, such as Figure 5 and Figure 6 As shown, a first guide structure 22215 is provided on the side of the hook portion 22213 opposite to the pressing portion 22212, that is, on the side facing the insertion direction of the pressure plate module 30. And / or, a second guide structure 33 is provided on the edge of the pressure plate module 30. During assembly, the first guide structure 22215 abuts against the edge of the pressure plate module 30 or the second guide structure 33, thereby pushing the first pressing member 2221 from the locked position to the unlocked position under the upward pushing force of the pressure plate module 30, making room for the continued insertion of the pressure plate module 30. When the pressure plate module 30 is fully in place, the first pressing member 2221 automatically springs back to the locked position under the action of the first reset member 2222, completing the locking. This makes the entire assembly and locking process simpler, faster and more efficient.
[0041] In some examples, such as Figure 5 As shown, the first guide structure 22215 can be an inclined plane. The second guide structure 33 can also be an inclined plane. During the process of pushing the pressure plate module 30 upward into the bearing component 22, the two inclined planes abut against each other, and under the pushing action of the inclined planes, the first pressing member 2221 is gradually pushed open and rotated until the hook 22213 and the slot 311 are engaged and connected.
[0042] In other examples, please refer to Figure 5 and Figure 6 The first guide structure 22215 can be a first inclined surface. The pressure plate module 30 includes a second base plate 31 as the main structure, and the second guide structure 33 includes a second bracket 331 fixedly disposed on the edge of the second base plate 31 and a second rotating shaft 332 rotatably disposed on the second bracket 331. The second bracket 331 is located on the upper surface of the second base plate 31, that is, the surface facing the bearing member 22.
[0043] During the assembly of the pressure plate module 30 and the supporting component 22, the second rotating shaft 332 first contacts the first inclined surface on the hook 22213. As the pressure plate module 30 continues to push upward, the second rotating shaft 332 rolls along the first inclined surface. This rolling contact converts the upward thrust into a component force that causes the hook 22213 of the first pressing member 2221 to rotate outward, i.e., drives the hook 22213 to rotate clockwise, thereby pushing the first pressing member 2221 from the locked position to the unlocked position. By setting the second rotating shaft 332, sliding friction can be changed to rolling friction, which can significantly reduce the friction during the assembly process, making the operation more effortless and smoother.
[0044] Of course, in some embodiments, when a second rotating shaft 332 is present, the second substrate 31 may not have a slot 311, and the second rotating shaft 332 constitutes the second locking structure 32. Specifically, during the rolling process of the second rotating shaft 332 and the first inclined surface, the hook 22213 is pushed laterally open until the second substrate 31 is installed in place. At this time, the hook 22213 of the first pressing member 2221 is reset and engaged and fixed with the second rotating shaft 332, thus fixing the second substrate 31 below the first substrate 221.
[0045] In other examples, the first guide structure 22215 can also be a structure of a bracket and a pivot, and the second guide structure 33 can be a sloped structure, which can also realize the transformation of sliding into rolling, thereby reducing friction. Please refer to the examples above for details, which will not be repeated here.
[0046] It is understandable that, such as Figure 3 As shown, two first locking structures 222 are provided on the first substrate 221, and the two first locking structures 222 are arranged opposite to each other on both sides of the first substrate 221. Correspondingly, two second locking structures 32 are also provided on both sides of the second substrate 31, so that locking can be achieved on both sides respectively, thereby improving the connection firmness and stability.
[0047] In some embodiments, please refer to Figure 3 To ensure the positioning accuracy and connection stability of the pressure plate module 30 during installation, the supporting component 22 may further include a first positioning part 223 disposed on the first substrate 221, and the pressure plate module 30 may further include a second positioning part 34 disposed on the second substrate 31. The first positioning part 223 and the second positioning part 34 are mutually adapted, for example, by the cooperation of a positioning pin and a positioning hole, or by the mutual fitting of a boss and a groove. Through the cooperation of the positioning parts, the position of the pressure plate module 30 relative to the first substrate 221 in the horizontal direction can be ensured to be accurate, ensuring that the probe on the pressure plate module 30 is aligned with the corresponding point of the product under test during testing.
[0048] In some embodiments, please refer toFigure 3 The first positioning part 223 is a positioning post, which is vertically disposed on the side of the first substrate 221 facing the second substrate 31. The second positioning part 34 is a positioning bearing, which is fixed on the second substrate 31. During assembly, the positioning bearing on the second substrate 31 is inserted and connected to the positioning post on the first substrate 221. Under the guidance of the positioning post, the second substrate 31 can approach the first substrate 221.
[0049] It is understood that there can be two or more positioning posts, and correspondingly two or more positioning bearings, so that the second substrate 31 can be positioned relative to the first substrate 221, preventing the second substrate 31 from deflecting. In some examples, the free end of the positioning post can be provided with a guide surface to facilitate quick insertion of the positioning post into the positioning bearing. Of course, in other embodiments, the first positioning part 223 can be a positioning bearing, and the second positioning part 34 can be a positioning post.
[0050] In some embodiments, please refer to Figure 6 The supporting component 22 may further include a support member 224 located on the side of the first substrate 221 facing the second substrate 31, which may be, for example, a plurality of raised support pillars or pads. When the pressure plate module 30 is installed and locked, the surface of the second substrate 31 abuts against the end of the support member 224. At this time, under the combined action of the downward supporting force provided by the support member 224 and the upward tensioning force provided by the hook 22213 through the slot 311, the second substrate 31 is firmly clamped and fixed between the first substrate 221 and the hook 22213, avoiding warping that may occur due to single-point force and ensuring the rigidity and stability of the connection.
[0051] In addition, by providing a support member 224 on the first substrate 221, the second substrate 31 is spaced apart from the first substrate 221, and there is a certain space between them. This space is not only conducive to the layout of wire harnesses on the first substrate 221, so as to facilitate the installation of scanning components and other structures, but also facilitates the gripping of the second substrate 31 when it is disassembled.
[0052] In some embodiments, the detachable connection between the needle carrier module 40 and the worktable 11 is achieved through a third locking structure 111 and a fourth locking structure 42. The specific structural forms of the third locking structure 111 and the fourth locking structure 42 are also diverse, for example, they can be screwed, plugged in, snapped in, or made of electromagnets.
[0053] As an example, please refer to Figure 2 and Figure 4The third locking structure 111 includes a rotating stop 1111 and a fixing member 1112. The rotating stop 1111 is rotatably connected to the worktable 11. The fixing member 1112 can be connected to the rotating stop 1111 and / or the worktable 11 for fixing or unlocking the rotating stop 1111 relative to the worktable 11. The fixing member 1112 can be a pin, a bolt with a handle, or a quick-clamp mechanism. The needle carrier module 40 includes a third base plate 41, the edge region of which can form a fourth locking structure 42.
[0054] When it is necessary to fix the needle carrier module 40, first place the needle carrier module 40 in the predetermined position on the worktable 11, then loosen the fixing member 1112 to unlock the rotating stop 1111, rotate the rotating stop 1111 until its protrusion and the worktable 11 together clamp the third substrate 41, and finally tighten the fixing member 1112 to lock the rotating stop 1111. In this way, the third substrate 41 can be fixed on the worktable 11. When unlocking, first loosen the fixing member 1112, rotate the rotating stop 1111 away from the edge of the third substrate 41 to remove the needle carrier module 40.
[0055] In some embodiments, please refer to Figure 7 To accurately position the needle carrier module 40, the needle carrier module 40 also includes a third positioning part 43, and a corresponding fourth positioning part 112 is provided on the worktable 11. The third positioning part 43 and the fourth positioning part 112 are matched and connected, for example, by using a positioning pin and a positioning hole. This ensures that each time the needle carrier module 40 is installed, it is in a unique and correct position relative to the worktable 11 and the pressure plate module 30 above it, effectively preventing the needle carrier module 40 from moving in the horizontal direction and affecting the testing process. As an example, the third positioning part 43 is a positioning protrusion, and the fourth positioning part 112 is a positioning hole. When the positioning protrusion is inserted into the positioning hole, the needle carrier module 40 can be installed in a predetermined position on the worktable 11.
[0056] In some embodiments, please refer to Figure 7To enable rapid connection of test electrical signals, the fixture body 10 also includes a first communication component 14 integrated inside or on the surface of the workbench 11. The first communication component 14 has an exposed first contact portion 141. The pin carrier module 40 also includes a second communication component 44, which has a second contact portion 441. When the pin carrier module 40 is installed in place by the positioning part and locking structure, the first contact portion 141 and the second contact portion 441 abut against each other in the vertical direction, thereby achieving electrical connection between the first communication component 14 and the second communication component 44. In this way, the test signal can be transmitted from the external test equipment through the wiring inside the fixture body 10, the first communication component 14, and the second communication component 44, and finally to the test probe on the pin carrier module 40, eliminating the need for manual wiring and plugging / unplugging of wire harnesses each time the module is replaced, greatly improving replacement efficiency.
[0057] As an example, the first contact portion 141 is an elastic probe or gold finger, etc., and the second contact portion 441 is a conductive contact or conductive pad, etc.
[0058] In some embodiments, since the first contact portion 141 and the second contact portion 441 are elastically electrically conductive, in order to ensure stable contact between the first contact portion 141 and the second contact portion 441, at least one third locking structure 111 is disposed close to the first contact portion 141 and the second contact portion 441. Thus, under the locking action of the third locking structure 111, the third substrate 41 is tightly pressed against the worktable 11, thereby ensuring stable contact between the first contact portion 141 and the second contact portion 441 and guaranteeing the signal transmission quality.
[0059] In some embodiments, the drive component 21 can have various implementations. For example, the drive component 21 can be a cylinder, a hydraulic cylinder, or a motor drive module such as a servo motor paired with a ball screw. Cylinders are preferred due to their simple structure, convenient control, and low cost.
[0060] In another manual or semi-automatic implementation, the drive component 21 can be a quick-clamping structure. Specifically, please refer to... Figure 1 The quick-clamping structure includes a mounting base 211, a drive rod 212, and a handle 213. The mounting base 211 is fixedly mounted on the first bracket 12, the drive rod 212 is movably mounted in the mounting base 211, and the handle 213 is fixed to the top end of the drive rod 212. The bottom end of the drive rod 212 is fixedly connected to the first substrate 221. By rotating the handle 213, the operator drives the drive rod 212 to move axially relative to the mounting base 211, thereby driving the first substrate 221 and the pressure plate module 30 to move up and down along the first guide member 13.
[0061] This application also provides a testing system, which includes a general-purpose testing device 100. The testing system may also include external testing instruments, a PLC control system, etc., to jointly complete the automated or semi-automated testing process of the product under test. Due to the use of the modular general-purpose testing device 100, this testing system can flexibly adapt to the testing needs of various products, significantly improving the system's adaptability and utilization.
[0062] The above description is merely an embodiment of this application and does not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.
Claims
1. A universal testing device, characterized in that, include: The tooling body includes a worktable, a first support and a first guide component disposed on the worktable; The lifting assembly includes a driving component and a supporting component, wherein the driving component is disposed on the first bracket and the supporting component is movably disposed on the first guide component; The pressure plate module is detachably disposed on the supporting component, the supporting component is provided with a first locking structure, and the pressure plate module is provided with a second locking structure adapted to the first locking structure; The needle carrier plate module is detachably mounted on the worktable. The worktable is provided with a third locking structure, and the needle carrier plate module is provided with a fourth locking structure adapted to the third locking structure. The needle carrier plate module is used to place the product to be tested, and the driving component is used to drive the bearing component to move so that the pressure plate module abuts against or moves away from the product to be tested.
2. The universal testing device according to claim 1, characterized in that, The supporting component includes a first substrate, which is fixedly connected to the driving component and movably connected to the first guiding component. The first locking structure includes a first pressing member and a first resetting member. The first pressing member is rotatably disposed on the edge of the first substrate, and the first resetting member connects the first pressing member and the first substrate. The first pressing member has a locked position and an unlocked position relative to the first substrate. The first pressing member is engaged with the second locking structure in the locked position. The first reset member is used to drive the first pressing member to move from the unlocked position to the locked position.
3. The universal testing device according to claim 2, characterized in that, The first pressing member includes a main body and a pressing part and a hook part located at both ends of the main body. The main body is provided with a first rotating shaft and is rotatably connected to the first substrate through the first rotating shaft. The first resetting member includes a spring, and the two ends of the spring are fixed to the main body and the first substrate, respectively. The edge of the pressure plate module is provided with a slot that matches the hook. When the hook engages with the slot, the pressure plate module is fixed relative to the first substrate.
4. The universal testing device according to claim 3, characterized in that, The hook portion is provided with a first guide structure on the side opposite to the pressing portion. The first guide structure is used to abut against the edge of the pressure plate module so that the pressure plate module pushes the first pressing member from the locked position to the unlocked position. And / or, The edge of the pressure plate module is provided with a second guide structure, which is used to abut against the hook portion so that the pressure plate module pushes the first pressing member from the locked position to the unlocked position.
5. The universal testing device according to claim 4, characterized in that, The first guide structure includes a first inclined surface; The pressure plate module includes a second base plate, and the second guide structure includes a second bracket and a second rotating shaft. The second bracket is disposed on the edge of the second base plate and is located on the surface of the second base plate facing the bearing component. The second rotating shaft is rotatably disposed on the second bracket and is used to abut against the first inclined surface.
6. The universal testing apparatus according to claim 5, characterized in that, The supporting component further includes a first positioning part disposed on the first substrate, and the pressure plate module further includes a second positioning part disposed on the second substrate, wherein the first positioning part and the second positioning part are adapted to be connected. And / or, The supporting component further includes a support member located on the side of the first substrate facing the second substrate. The support member is used to abut against the second substrate, and under the combined action of the support member and the hook, the second substrate is clamped and fixed relative to the first substrate.
7. The universal testing apparatus according to any one of claims 1-6, characterized in that, The third locking structure includes a rotating stop and a fixing member. The rotating stop is rotatably disposed on the worktable, and the fixing member is connected to the rotating stop and / or the worktable. The fixing member is used to fix or unlock the rotating stop relative to the worktable. The needle carrier plate module includes a third substrate, which is detachably mounted on the worktable. The edge region of the third substrate forms a fourth locking structure, and the rotating stop can be engaged and fixed with the third substrate.
8. The universal testing apparatus according to claim 7, characterized in that, The needle carrier plate module further includes a third positioning part, and the worktable is provided with a fourth positioning part. The third positioning part and the fourth positioning part are matched and connected. And / or, The tooling body also includes a first communication component, which has a first electrical contact portion. The needle carrier board module also includes a second communication component, which has a second electrical contact portion. When the first electrical contact portion and the second electrical contact portion come into contact, electrical conduction between the first communication component and the second communication component can be achieved.
9. The universal testing apparatus according to claim 8, characterized in that, The driving component includes one of a cylinder, a hydraulic cylinder, and a motor drive module; or, The driving component includes a mounting base, a driving rod, and a handle. The mounting base is disposed on the first bracket. The driving rod and the handle are both movably disposed on the mounting base. The end of the driving rod is fixedly connected to the first substrate. The handle drives the driving rod to move, so that the first substrate reciprocates under the guidance of the first guiding component.
10. A testing system, characterized in that, Includes the general testing apparatus as described in any one of claims 1-9.