Magnetic type automatic core alignment jig

Abstract

A magnetic type automatic core alignment jig comprises a bearing seat, a position fine adjustment block, a first wire rod seat and a second wire rod seat. The bearing seat comprises a seat body and an accommodating groove, and the accommodating groove is concavely arranged on the seat body. The position fine adjustment block is movably limited in the containing groove. The first wire seat is slidably located at one end of the position fine adjustment block and used for fixing the magnetic type connector of the first wire. The second wire seat and the first wire seat are arranged side by side to the end of the position fine tuning block for fixing a signal connector of a second wire. When the bearing seat moves to a to-be-tested object, the magnetic connector is automatically in magnetic connection with the magnetic joint of the to-be-tested object, the signal connector can be synchronously aligned with the test hole site of the to-be-tested object, and the distance between the magnetic connector and the signal connector is equal to the distance between the magnetic joint and the test hole site. Through the above structure, the magnetic type automatic core alignment tool helps to improve the alignment rate of an automatic test, the limiting precision of a test connector to a test hole site, and the efficiency of the automatic test.

Description

TECHNICAL FIELD

[0001] The present application relates to an automatic core alignment jig, in particular, a magnetic automatic core alignment jig for testing a hole of an electronic device. BACKGROUND

[0002] Generally, the plug-in operation of a test wire (such as a Type-C wire or a magnetic wire) has gradually changed from manual operation to being performed by an automated test device. In this way, the automated test device can move the connector of the test wire to and physically plug into the test hole of an electronic product (such as a smart phone or a notebook computer), thereby allowing the electronic product to be subjected to subsequent electrical tests.

[0003] In order to protect the electronic product from scratches, the electronic product is now covered with a plastic shell. However, the electronic product covered with the plastic shell causes errors in the alignment of the connector of the test wire and the test hole, affecting the positioning accuracy of the test connector for the test hole, and failing to align the test hole as expected, thereby affecting the test progress of the test object and causing a bottleneck in the automated test.

[0004] Therefore, how to effectively solve the above-mentioned inconvenience and defects is one of the current important research and development topics, and has become the goal of the current related field that needs to be improved. CONTENT OF THE INVENTION

[0005] The present application proposes a magnetic automatic core alignment jig to solve the problems of the prior art.

[0006] According to an embodiment of the present application, a magnetic automatic core alignment jig includes a bearing seat, a position fine adjustment block, a first wire seat, and a second wire seat. The bearing seat includes a seat body and a receiving groove recessed on the seat body. The position fine adjustment block is movably limited in the receiving groove. The first wire seat is slidably located at one end of the position fine adjustment block for fixing a magnetic connector of a first wire. The second wire seat is arranged side by side with the first wire seat at the end of the position fine adjustment block for fixing a signal connector of at least one second wire. When the bearing seat moves towards a test object, the magnetic connector automatically magnetically connects a magnetic joint of the test object, the signal connector can be synchronized with a test hole of the test object, and the distance between the magnetic connector and the signal connector is equal to the distance between the magnetic joint and the test hole.

[0007] According to one or more embodiments of the present application, in the above-mentioned magnetic attraction type automatic core alignment jig, the first wire seat comprises at least one guide rod, a sliding block, an extension spring and a receiving part. The guide rod is slidably located in the position fine adjustment block. The sliding block is fixedly connected to one end of the guide rod and can slide synchronously with the guide rod relative to the position fine adjustment block. The extension spring is sleeved on the guide rod and connected to the sliding block and the position fine adjustment block respectively. The receiving part is movably connected to the sliding block and partially protrudes into the accommodating groove to fixedly accommodate the magnetic attraction type connector.

[0008] According to one or more embodiments of the present application, in the above-mentioned magnetic attraction type automatic core alignment jig, the first wire seat further comprises a stop block, at least one support rod and at least one spring element. The stop block is located on one side of the sliding block relative to the receiving part, wherein the sliding block has an elongated through hole. One end of the support rod is fixedly connected to the stop block, and the other end of the support rod passes through the elongated through hole and is fixedly connected to the receiving part. The spring element is sleeved on the support rod and connected to the sliding block and the stop block respectively. The long axis direction of the support rod is orthogonal to the long axis direction of the elongated through hole, the support rod is rotatably located in the elongated through hole, and there is a gap between the receiving part and the groove bottom of the accommodating groove.

[0009] According to one or more embodiments of the present application, in the above-mentioned magnetic attraction type automatic core alignment jig, the receiving part comprises a bottom cover, a first recess, an upper cover and a flexible buffer. The bottom cover is connected to the sliding block. The first recess is recessed on the bottom cover. The upper cover is detachably connected to the bottom cover, covers the bottom cover and the first recess, and defines a receiving space for the matching magnetic attraction type connector together with the first recess. The flexible buffer is located in the receiving space, covers the magnetic attraction type connector, and abuts against the first recess and the bottom cover.

[0010] According to one or more embodiments of the present application, in the above-mentioned magnetic attraction type automatic core alignment jig, the sliding block has a positioning hole. The receiving part further comprises a positioning pin, a part of the positioning pin is located in the upper cover, and the remaining part of the positioning pin movably extends into the positioning hole.

[0011] According to one or more embodiments of the present application, in the above-mentioned magnetic attraction type automatic core alignment jig, the second wire seat comprises a body and a plurality of second recesses. The body is located in the accommodating groove and fixedly connected to the position fine adjustment block. The second recesses are recessed on the body in parallel, and each of the second recesses is used to fixedly accommodate a signal connector of one of the second wires.

[0012] According to one or more embodiments of the present application, in the above-mentioned magnetic attraction type automatic core alignment jig, the carrier seat comprises a plurality of positioning structures, the positioning structures are oppositely arranged in the seat body, and each of the positioning structures has a point structure at the end. The point structures of the positioning structures respectively point contact two opposite outer sides of the position fine adjustment block. There are gaps between the opposite outer sides of the position fine adjustment block and the inner wall of the accommodating groove respectively.

[0013] According to one or more embodiments of the present application, each positioning structure of the magnetic automatic core alignment jig is a wave bead screw.

[0014] According to one or more embodiments of the present application, each positioning structure of the magnetic automatic core alignment jig includes a column, an elastic element, and a positioning bead. The column is tightly fitted in the seat body and has an axial space. The elastic element is arranged in the axial space. The positioning bead is connected to the elastic element and partially protrudes from the axial space to the point contact position fine adjustment block.

[0015] According to one or more embodiments of the present application, the magnetic automatic core alignment jig further includes a fixing frame, a linear bearing, and an extension rod. The linear bearing is located in the fixing frame. The extension rod is slidably located in the linear bearing, one end of the extension rod is fixedly connected to the bearing seat, and the other end of the extension rod is fixedly connected to a power source device for driving the bearing seat to move linearly.

[0016] In this way, through the above structure, the magnetic automatic core alignment jig of the present application helps to improve the alignment rate of automatic testing and the limiting precision of the test connector for the test hole position, greatly improving the efficiency of automatic testing.

[0017] The above is only used to explain the problems to be solved by the present application, the technical means for solving the problems, and the effects thereof. The specific details of the present application will be described in detail in the embodiments and related drawings below. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the above and other purposes, features, advantages and embodiments of the present application more obvious and easy to understand, the following is a description of the accompanying drawings:

[0019] FIG. 1A The use operation diagram of the magnetic automatic core alignment jig of one embodiment of the present application.

[0020] FIG. 1B The magnetic automatic core alignment jig of FIG. 1A is viewed from another perspective.

[0021] FIG. 2 The magnetic automatic core alignment jig of FIG. 1A is an exploded view.

[0022] FIG. 3 The first wire seat of FIG. 2 is an exploded view.

[0023] FIG. 4 The magnetic automatic core alignment jig of FIG. 1A is a sectional view along the line segment AA.

[0024] FIG. 5 The longitudinal sectional view of the positioning structure of FIG. 4 .

[0025] FIG. 6A to FIG. 6C Fig. 1 is a schematic view of a magnetic automatic core alignment jig according to the present application. FIG. 1A Fig. 2 is a schematic view of a continuous operation of the magnetic automatic core alignment jig of Fig. 1.

[0026] FIG. 7 Fig. 3 is a sectional view of the magnetic automatic core alignment jig of Fig. 1 along the line segment BB. FIG. 1A Fig. 4 is a schematic view of an operation of the magnetic automatic core alignment jig of Fig. 1 under connector removal.

[0027] FIG. 8 Fig. 5 is a schematic view of an operation of the magnetic automatic core alignment jig of Fig. 1 under connector removal. FIG. 7

[0028] In the drawings, the reference numerals are explained as follows:

[0029] 10: magnetic automatic core alignment jig

[0030] 100: bearing seat

[0031] 110: seat body

[0032] 111: top surface

[0033] 120: mounting hole

[0034] 130: accommodating groove

[0035] 131: groove bottom

[0036] 132: inner wall

[0037] 200: position fine adjustment block

[0038] 210: front end

[0039] 220: rear end

[0040] 240: outer side

[0041] 241: abutting hole

[0042] 230: shaft hole

[0043] 300: positioning structure

[0044] 310: column body

[0045] 311: axial space

[0046] 312: end

[0047] 320: elastic element

[0048] 330: positioning bead

[0049] 400: first wire seat

[0050] 410: sliding block ​

[0051] 411: bottom block portion

[0052] 412: top block portion

[0053] 413: connecting portion

[0054] 414: positioning hole

[0055] 415: elongated through hole

[0056] 420: accommodating portion

[0057] 421: bottom cover

[0058] 422: first recess

[0059] 423: upper cover

[0060] 424: accommodating space

[0061] 425: positioning pin

[0062] 426: bolt

[0063] 430: guide rod

[0064] 440: linear bearing

[0065] 450: rear stopper

[0066] 460: extension spring

[0067] 470: stopper

[0068] 480: support rod

[0069] 490: spring element

[0070] 491: flexible buffer body

[0071] 500: second wire seat

[0072] 510: body

[0073] 520: second recess

[0074] 530: fixing plate

[0075] 600: extension rod

[0076] 610: linear bearing

[0077] 620: fixing frame

[0078] 630: rear bottom plate

[0079] AA: line segment

[0080] BB: line segment

[0081] C1: first wire

[0082] C2: second wire

[0083] DUT: device under test

[0084] G1: first gap

[0085] G2: second gap

[0086] L1-L3: distance

[0087] N1: magnetic connector

[0088] N2: signal connector

[0089] N3: magnetic joint

[0090] N4: test hole

[0091] P: pad

[0092] S1: open space

[0093] S2: gap

[0094] S3: gap

[0095] X, Y, Z: axis DETAILED DESCRIPTION

[0096] In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the various embodiments of the present application. However, it will be understood by those of ordinary skill in the art that the various embodiments of the present application can be practiced without these specific details. In other instances, well-known methods, procedures, components, and circuits have not been described in detail so as not to unnecessarily obscure aspects of the present application. Further, for the purpose of clarity, certain technical material that is known in the technical fields related to the present application have not been described in detail so that aspects of the present application are not unnecessarily obscured.

[0097] FIG. 1A FIG. 1 is a perspective view of a magnetic automatic core alignment fixture 10 according to an embodiment of the present application. FIG. 1B FIG. 2 is a perspective view of the magnetic automatic core alignment fixture 10 of FIG. 1 viewed from another angle. FIG. 1A FIG. 3 is an exploded view of the magnetic automatic core alignment fixture 10 of FIG. 1. As shown in FIG. 3, the magnetic automatic core alignment fixture 10 includes a first wire 12, a second wire 14, a magnetic connector 16, a signal connector 18, a magnetic joint 20, a test hole 22, a pad 24, an open space 26, a gap 28, and an axis 30. FIG. 2 FIG. 4 is a perspective view of the magnetic automatic core alignment fixture 10 of FIG. 1 viewed from another angle. FIG. 1A FIG. 5 is a perspective view of the magnetic automatic core alignment fixture 10 of FIG. 1 viewed from another angle. FIG. 1A to FIG. 2As shown, the magnetic automatic core-aligning fixture 10 includes a support base 100, a position fine-tuning block 200, a first wire holder 400, and a second wire holder 500. The support base 100 includes a body 110 and a receiving groove 130, which is recessed into the top surface 111 of the body 110. The size of the receiving groove 130 is larger than the size of the position fine-tuning block 200, and the position fine-tuning block 200 is movably confined within the receiving groove 130. The position fine-tuning block 200 has a front end 210 and a rear end 220 facing each other. The first wire holder 400 is slidably located at the front end 210 of the position fine-tuning block 200. The second wire holder 500 and the first wire holder 400 are both arranged side-by-side at the front end 210 of the position fine-tuning block 200. Compared to the second wire holder 500, the first wire holder 400 has a more protruding portion in the receiving groove 130. The first wire holder 400 is used to fix a magnetic connector N1 of a first wire C1, and the second wire holder 500 is used to fix individual signal connectors N2 of one or more second wires C2. For example, in this embodiment, the first wire C1 is a magnetic charging cable and a dedicated test cable used in the factory. The second wire C2 is a Type-C test cable, a dedicated test cable used in the factory, and the signal connector N2 is a Type-C connector.

[0098] More specifically, such as FIG. 1A to FIG. 2 As shown, in this embodiment, the first wire holder 400 includes a sliding block 410, a receiving portion 420, a plurality of guide rods 430 (e.g., two), a rear stop block 450, a plurality of linear bearings 440, and telescopic springs 460 (e.g., two). The telescopic springs 460 are fitted onto the guide rods 430, and their two opposite ends are respectively connected to the sliding block 410 and the position fine-tuning block 200. The linear bearings 440 are parallel to each other, and each linear bearing 440 is fixed within the shaft hole 230 of the position fine-tuning block 200. The guide rods 430 are parallel to each other and located within the receiving groove 130, and these guide rods 430 are slidably located within the shaft hole 230 of the position fine-tuning block 200 and within the linear bearings 440. The receiving portion 420 is movably connected to the lower side of the sliding block 410 and partially protrudes from the receiving groove 130, so that the magnetic connector N1 is fixedly received within the receiving portion 420. The sliding block 410 is fixed to one end of each guide rod 430, and the rear stop 450 is fixed to the other end of the guide rod 430. In other words, each guide rod 430 passes through the position fine-tuning block 200, and the two opposite ends of the guide rod 430 are respectively fixed to the sliding block 410 and the rear stop 450. Thus, the sliding block 410, guide rod 430, and rear stop 450, as a whole, can slide synchronously relative to the position fine-tuning block 200 along the long axis direction (such as the Y-axis) of the guide rod 430. For example, in this embodiment, the receiving portion 420, the base 110, the position fine-tuning block 200, and these guide rods 430 are all made of aluminum alloy; however, the invention is not limited thereto.

[0099] However, the present creation is not limited thereto, and other embodiments can adjust the number of guide rods 430 and omit the presence of the rear stopper 450. The rear stopper 450 is used to fix the guide rod 430 from being disengaged from the linear bearing 440 by the retractable spring 460. The retractable spring 460 is sleeved on the guide rod, and is configured to be compressed between the linear bearing 610 and the guide block.

[0100] FIG. 3 For FIG. 2 a first wire seat 400. As FIG. 2 and FIG. 3 shown, in the present embodiment, for example, the sliding block 410 includes a bottom block portion 411, a top block portion 412, and a connecting portion 413. The top block portion 412, the connecting portion 413, and the bottom block portion 411 are sequentially arranged from top to bottom along the Z-axis direction, the bottom block portion 411 is placed on the groove bottom 131 of the accommodating groove 130, and the connecting portion 413 is connected between the bottom block portion 411 and the top block portion 412, and the connecting portion 413, the bottom block portion 411, and the top block portion 412 collectively surround an open space S1 capable of accommodating the accommodating portion 420, and there is a gap S2 between the accommodating portion 420 and the groove bottom 131 of the accommodating groove 130. FIG. 1A However, the present creation is not limited thereto.

[0101] More specifically, for example, the accommodating portion 420 includes a bottom cover 421, a first recess portion 422, and a top cover 423. The bottom cover 421 is connected to the sliding block 410. The first recess portion 422 is recessed on the bottom cover 421. The top cover 423 is detachably connected to the bottom cover 421, covers the bottom cover 421 and the first recess portion 422, and collectively defines an accommodating space 424 of a matching magnetic attraction type connector N1 with the first recess portion 422. For example, the top cover 423 is detachably locked to the bottom cover 421 by a bolt 426, but the present creation is not limited thereto. The design of these first recess portions 422 allows the magnetic attraction type connector N1 to partially protrude from the first wire seat 400. FIG. 1A For example, in the present embodiment, the first recess portion 422 is designed to be similar to a magnetic attraction type charging wire. However, the present creation is not limited thereto.

[0102] As FIG. 1A and FIG. 2As shown, the second wire seat 500 includes a body 510, a fixing plate 530 and a plurality of second recesses 520. The body 510 is located in the accommodation groove 130 and fixedly connected with the position fine adjustment block 200. The second recesses 520 are arranged side by side on the body 510. The fixing plate 530 is detachably covered on the body 510 and the second recesses 520. The fixing plate 530 is used to press the second wire C2 to avoid sliding. Each second recess 520 is used to fixedly accommodate the signal connector N2 of each second wire C2. The design of the second recesses 520 allows the signal connector N2 of each second wire C2 to partially protrude from the second wire seat 500 and allows the end surface of each signal connector N2 to be substantially flush.

[0103] In addition, the magnetic automatic core alignment jig 10 further includes a fixing frame 620, a rear bottom plate 630, a plurality of telescopic rods 600 and a plurality of linear bearings 610. The linear bearings 610 are arranged side by side in parallel in the fixing frame 620 (such as the frame of the workstation). The telescopic rods 600 are arranged side by side in parallel. Each telescopic rod 600 is slidably located in one of the linear bearings 610. One end of each telescopic rod 600 is connected to the side of the seat body 110 of the bearing seat 100 away from the first wire seat 400. The other end of each telescopic rod 600 is fixedly connected to the rear bottom plate 630. The rear bottom plate 630 is fixedly connected to a power source device (such as a cylinder, a motor or an electromagnetic valve, not shown in the figure). The power source device is used to drive the bearing seat 100 to linearly move back and forth along the Y-axis direction.

[0104] FIG. 4 For FIG. 1A the magnetic automatic core alignment jig 10 along the AA segment. FIG. 5 For FIG. 4 the longitudinal sectional view of the positioning structure 300. As FIG. 2 and FIG. 4 shown, the bearing seat 100 includes a plurality of (for example, two) positioning structures 300. The two opposite sides of the seat body 110 of the bearing seat 100 are respectively provided with mounting holes 120. The positioning structures 300 are oppositely arranged in the mounting holes 120. The end 312 of each positioning structure 300 has a point structure. FIG. 5 The point structures of the positioning structures 300 respectively point contact the two opposite outer sides 240 of the position fine adjustment block 200, that is, the position fine adjustment block 200 is clamped between the positioning structures 300, so as to limit the movement space of the position fine adjustment block 200 and facilitate disassembly.

[0105] It should be understood that these positioning structures 300 can prevent the position adjustment block 200 from dislodging from the receiving groove 130. However, since there is still a required gap S3 between the two opposite outer sides 240 of the position adjustment block 200 and the inner wall 132 of the receiving groove 130, the position adjustment block 200 can still be adjusted horizontally (XY axis) within the receiving groove 130.

[0106] More specifically, such as FIG. 4 and FIG. 5 As shown, each positioning structure 300 includes a column 310, an elastic element 320, and a positioning bead 330. The column 310 is tightly fitted into the mounting hole 120 of the base 110 and extends linearly along the X-axis. The column 310 has an axial space 311, and the column 310 and the axial space 311 are coaxial with each other. The elastic element 320 is disposed within the axial space 311 of the column 310. The positioning bead 330 connects to the elastic element 320, partially protrudes from the axial space 311, and the point contact position fine-tuning block 200 is positioned relative to the abutment hole 241 of the outer side 240. For example, each positioning structure 300 is a ball screw, and the positioning bead 330 is the aforementioned point structure; however, this invention is not limited to this.

[0107] FIG. 6A to FIG. 6C for FIG. 1A A schematic diagram illustrating the continuous operation of a magnetic automatic core-setting fixture. (See diagram below.) FIG. 6A and FIG. 6B As shown, when the power source device linearly drives the carrier 100 along the Y-axis to a device under test (DUT) (such as a smartphone or laptop), even if there is an error in the alignment between the magnetic connector N3 of the DUT and the magnetic connector N1 of the first wire C1, since the first distance G1 between the magnetic connector N1 and the signal connector N2 is equal to the second distance G2 between the magnetic connector N3 of the DUT and the test hole N4, the magnetic connector N1 automatically magnetically aligns with the magnetic connector N3 of the DUT, so that each signal connector N2 of the DUT can be synchronously adjusted to align with the corresponding test hole N4 of the DUT, thereby increasing the alignment rate during automated testing.

[0108] It should be understood that the gap S3 between the position fine-tuning block 200 and the receiving groove 130 ( FIG. 4 This absorbs the error caused by the plastic shell of the DUT (Device Under Test), and the first spacing G1 is equivalent to the second spacing G2, allowing each second wire C2 to be accurately inserted into the corresponding test hole, thereby significantly improving the efficiency of automated testing. Therefore, compared to known technologies that can only absorb a positional deviation of ±0.2mm, the magnetic automatic core-aligning fixture 10 of this embodiment can increase the allowable error to ±0.35mm; compared to known technologies on the market, the allowable error is increased by approximately 75%.

[0109] like FIG. 6A As shown, in this embodiment, in the initial position, the distance between the power source device (refer to the position of the rear base plate 630) and the fixing frame 620 is L1 (e.g., 18mm), and the distance between the position fine-tuning block 200 and the sliding block 410 is L2 (e.g., 7.8mm).

[0110] like FIG. 6B As shown, in the magnetic guide position, the power source device (refer to the position of the rear base plate 630) pushes the carrier 100 forward, so that the distance between the power source device (refer to the position of the rear base plate 630) and the fixing frame 620 becomes L3 (e.g., 7.8mm). At this time, the magnetic connector N1 of the first wire C1 just contacts the magnetic connector N3 of the test device DUT, but the signal connector N2 has not yet contacted the test hole N4 of the test device DUT.

[0111] Next, as FIG. 6B and FIG. 6C As shown, the power source device (referring to the position of the rear base plate 630) continues to push the carrier 100, causing the magnetic connector N3 of the test device (DUT) to begin compressing the telescopic spring 460 through the sliding block 410 of the first wire holder 400, so that the magnetic connector N1 of the first wire C1 is approximately flush with the individual signal connectors N2 of the second wire C2, until each signal connector N2 can be physically inserted into the corresponding test hole N4. FIG. 6C This allows for subsequent electrical testing of the DUT (Device Under Test).

[0112] like FIG. 6C As shown, in this embodiment, when fully inserted, the power source device (referring to the position of the rear base plate 630) continues to push the support seat 100, so that the rear base plate 630 directly contacts the fixing frame 620 (i.e., there is no distance between the rear base plate 630 and the fixing frame 620), and the position fine-tuning block 200 directly contacts the sliding block 410 (i.e., there is no distance between the position fine-tuning block 200 and the sliding block 410). Finally, the first wire C1 and the second wire C2 are flush, fully inserted, and the test begins.

[0113] FIG. 7 for FIG. 1A A cross-sectional view of the magnetic automatic core-setting fixture 10 along line segment BB. (See attached image.) FIG. 2 and FIG. 3As shown, the first wire seat 400 further comprises a stopper 470, a plurality of support rods 480 and a plurality of spring elements 490. The stopper 470 is located at one side of the sliding block 410 (e.g. the top block portion 412) relative to the accommodating portion 420. The sliding block 410 (e.g. the top block portion 412) has a plurality of elongated through holes 415. The elongated through holes 415 are parallel to each other and located on the top block portion 412, and the long axis direction (e.g. the Z axis) of the support rods 480 is orthogonal to the long axis direction (e.g. the Y axis) of the elongated through holes 415. One end of each support rod 480 is fixedly connected to the stopper 470, and the other end thereof is fixedly connected to the accommodating portion 420 through one of the elongated through holes 415. The spring elements 490 are located between the sliding block 410 (e.g. the top block portion 412) and the stopper 470, and each spring element 490 is sleeved on one of the support rods 480 and connected to the sliding block 410 (e.g. the washer P on the top block portion 412) and the stopper 470, respectively.

[0114] It should be understood that, due to the small diameter of the support rods 480 relative to the length of the elongated through holes 415, the support rods 480 are rotatably located in the elongated through holes 415, that is, the stopper 470, the accommodating portion 420, the support rods 480 and the spring elements 490 as a whole can be deflected by the support rods 480 being located in the elongated through holes 415.

[0115] As shown, FIG. 1A and FIG. 7 As shown, the accommodating portion 420 further comprises a flexible buffer 491 (e.g. foam) due to the gap S3 (about 0.05 mm) between the magnetic connector N1 located in the accommodating space 424 and the accommodating portion 420. The flexible buffer 491 is located in the accommodating space 424, covers the magnetic connector N1 and abuts against the first recess 422 and the bottom cover 421, thereby more stably fixing the magnetic connector N1 in the accommodating portion 420. In this embodiment, the flexible buffer 491 is wrapped around the magnetic connector N1 during installation to prevent the first wire C1 from loosening.

[0116] In addition, as shown, FIG. 3 and FIG. 7 The sliding block 410 (e.g. the top block portion 412) has a positioning hole 414. The accommodating portion 420 (e.g. the upper cover 423) further comprises a positioning pin 425, a portion of which is located in the upper cover 423 and the remaining portion of which is movably extended into the positioning hole 414. After the deflected accommodating portion 420 returns to the original position, the positioning pin 425 of the accommodating portion 420 can be inserted into the positioning hole 414 of the sliding block 410 (e.g. the top block portion 412) for accurate positioning of the returning position of the accommodating portion 420.

[0117] FIG. 8 To FIG. 7A schematic diagram of the operation of the magnetic automatic core-aligning fixture 10 when the connector is removed. FIG. 1A and FIG. 8 As shown, when the power source moves the carrier 100 in the opposite direction along the Y-axis, and attempts to disengage the magnetic connector N1 of the sliding block 410 from the magnetic connector N3 of the test object DUT, since the support rod 480 is confined within the narrow through hole 415, although the pulling force of the power source and the magnetic attraction force of the magnetic connector N3 counteract each other, in order to avoid excessive vertical pull-out force, the resultant force generated by the two causes the receiving part 420 to rotate clockwise with the magnetic connector N1 as the fulcrum. Therefore, the receiving part 420 deflects relative to the sliding block 410 (such as the top block 412) at an acute angle θ (such as 15 to 20°), which helps to reduce the magnetic force, thereby allowing the magnetic connector N1 of the carrier 100 to be pulled away from the magnetic connector N3 of the test object DUT, avoiding excessive pull-out force and damage to the test machine.

[0118] After the magnetic connector N3 of the carrier 100 is completely detached from the magnetic connector N3 of the test object DUT, the restoring force of the spring element 490 causes the receiving part 420 to rotate counterclockwise, and the positioning pin 425 of the receiving part 420 is inserted into the positioning hole 414 for precise positioning of the returning position of the receiving part 420. FIG. 7 ).

[0119] Thus, through the above architecture, the magnetic automatic core alignment fixture of this invention helps improve the alignment rate of automated testing and the positioning accuracy of the test connector for the test hole position, greatly improving the efficiency of automated testing.

[0120] Finally, the embodiments disclosed above are not intended to limit this invention. Any person skilled in the art may make various modifications and refinements without departing from the spirit and scope of this invention, and all such modifications and refinements shall be protected under this invention. Therefore, the scope of protection of this invention shall be determined by the appended claims.

Claims

1. A magnetic automatic core-aligning fixture, characterized in that, Include: A support includes a body and a receiving groove, the receiving groove being recessed on the body; A position adjustment block is movable and limited within the receiving slot; A first wire holder, slidably connected to one end of the position adjustment block, is used to secure a magnetic connector for a first wire; as well as A second wire holder, located side-by-side with the first wire holder at the end of the position adjustment block, is used to secure a signal connector for at least one second wire. When the carrier moves toward a test object, the magnetic connector automatically magnetically connects to a magnetic connector of the test object. The signal connector can synchronously align with a test hole of the test object, and the distance between the magnetic connector and the signal connector is equal to the distance between the magnetic connector and the test hole.

2. The magnetic automatic core-aligning fixture as described in claim 1, characterized in that, The first wire holder includes: At least one guide rod is slidably positioned within the fine-tuning block at this location; A sliding block is fixed to one end of the guide rod and can slide synchronously with the guide rod relative to the position adjustment block; A telescopic spring, fitted onto the guide rod, connects the sliding block and the position fine-tuning block respectively; and A receiving portion is movably connected to the sliding block and partially protrudes from the receiving groove to securely accommodate the magnetic connector.

3. The magnetic automatic core-aligning fixture as described in claim 2, characterized in that, The first wire holder further includes: A stop block is located on the side of the sliding block opposite the receiving portion, wherein the sliding block has a narrow through hole; At least one support rod, one end of which is fixedly connected to the stop block, and the other end of which passes through the narrow through hole and is fixedly connected to the receiving part; and At least one spring element is fitted onto the support rod, connecting the sliding block and the stop block respectively. The long axis of the support rod is perpendicular to the long axis of the narrow through hole. The support rod is rotatably located inside the narrow through hole, and there is a gap between the receiving part and the bottom of the receiving groove.

4. The magnetic automatic core-aligning fixture as described in claim 3, characterized in that, The accommodation includes: A bottom cover connects to the sliding block; A first recess is recessed into the bottom cover; A top cover, detachably connected to the bottom cover, covering the bottom cover and the first recess, and together with the first recess, defining a receiving space for the magnetic connector; and A flexible buffer body is located within the receiving space, covers the magnetic connector, and abuts against the first recess and the bottom cover.

5. The magnetic automatic core-aligning fixture as described in claim 4, characterized in that, The sliding block has a positioning hole; and The receiving portion further includes a positioning pin, a portion of which is located inside the top cover, and the remainder which extends movably into the positioning hole.

6. The magnetic automatic core-aligning fixture as described in claim 2, characterized in that, The second wire holder includes: A main body, located within the receiving slot, and fixedly connected to the position fine-tuning block; and A plurality of second recesses are recessed side by side on the body, each of the plurality of second recesses being used to securely accommodate the signal connector of one of the plurality of second wires.

7. The magnetic automatic core-aligning fixture as described in claim 1, characterized in that, The support includes multiple positioning structures disposed opposite to each other within the support body. Each of the multiple positioning structures has a point structure at one end, and the point structure of each of the multiple positioning structures respectively makes point contact with two opposite outer sides of the position fine-tuning block. The two opposite outer sides of the position adjustment block have gaps with the inner wall of the receiving groove.

8. The magnetic automatic core-aligning fixture as described in claim 7, characterized in that, Each of the multiple positioning structures is a ball screw.

9. The magnetic automatic core-aligning fixture as described in claim 7, characterized in that, Each of the plurality of positioning structures includes: A column, tightly fitted into the body, has an axial space; An elastic element is disposed within the axial space; and A positioning bead, connected to the elastic element, partially protrudes from the axial space and makes point contact with the position fine-tuning block.

10. The magnetic automatic core-aligning fixture as described in claim 1, characterized in that, Also includes: A fixed frame; A linear bearing is located within the mounting bracket; and A telescopic rod is slidably located inside the linear bearing. One end of the telescopic rod is fixedly connected to the bearing seat, and the other end is fixedly connected to a power source device to drive the bearing seat to move linearly.

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