CN115856370B - Flying probe module and flying probe tester - Google Patents
Flying probe module and flying probe tester Download PDFInfo
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- CN115856370B CN115856370B CN202310050135.8A CN202310050135A CN115856370B CN 115856370 B CN115856370 B CN 115856370B CN 202310050135 A CN202310050135 A CN 202310050135A CN 115856370 B CN115856370 B CN 115856370B
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Abstract
The application discloses flying probe module and flying probe test machine includes: the connecting bracket comprises a first mounting part, a second mounting part and at least two connecting arms, wherein the at least two connecting arms are arranged between the first mounting part and the second mounting part at intervals along a first direction, and one side of the second mounting part far away from the first mounting part is provided with a first rotation stopping surface; the flying needle is rotationally connected to one side of the second mounting part far away from the first mounting part, and the rotating axial direction of the flying needle is perpendicular to the first direction; and the two ends of the first elastic piece are respectively connected with the flying needle and the second mounting part to pull the flying needle to be abutted against the first rotation stopping surface. The utility model provides a fly needle module and fly needle test machine for fly needle not only along with the linking bridge swing and can also carry out micro-angle's rotation by the linking bridge under pushing away by the solder joint top, with the offset of the position that forms the in-process of being pushed away by the solder joint and remove to fly needle compensates, reduces the trace that fly needle formed on the solder joint because of the offset of position.
Description
Technical Field
The invention relates to the technical field of locks, in particular to a flying probe module and a test flying probe tester.
Background
The flying probe tester is used for detecting the circuit board so as to judge whether the circuit board has the problems of short circuit and the like. The flying probe tester comprises a flying probe module, and contacts with the positions of welding spots and the like on the circuit board through the flying probe module. Chinese patent (application number: CN 201220294377.9) discloses a probe holder of a flying probe tester, the mounting portion of the side head holder is provided with a through mounting hole, and a screw passes through the mounting hole and is screwed to a test needle to fix the test needle to the side head holder.
The side head support can enable the test needle to move in parallel in the test, namely, the test needle still has a certain amount of position offset in the pushing and moving process of the welding spot, so that scratches can be formed on the welding spot by the test needle.
Disclosure of Invention
In view of the foregoing drawbacks and shortcomings of the prior art, it is desirable to provide a flying probe module and a flying probe tester.
In a first aspect, the present application provides a flying probe module comprising:
the connecting bracket comprises a first mounting part, a second mounting part and at least two connecting arms, wherein the at least two connecting arms are arranged between the first mounting part and the second mounting part at intervals along a first direction, and one side of the second mounting part far away from the first mounting part is provided with a first rotation stopping surface;
the flying needle is in a blade shape, is rotationally connected to one side of the second mounting part far away from the first mounting part, and the rotating axial direction of the flying needle is perpendicular to the first direction;
and the two ends of the first elastic piece are respectively connected with the flying needle and the second mounting part to pull the flying needle to be abutted against the first rotation stopping surface.
Further, the flying needle is provided with a stop bulge, the stop bulge is positioned on one side, close to the needle tip part of the flying needle, of the rotating axis of the flying needle, the second installation part is provided with a stop groove, the stop bulge is inserted into the stop groove, the stop groove is provided with a first groove wall surface and a second groove wall surface which are arranged at intervals along a first direction, the second groove wall surface is close to the needle tip part, the stop bulge is in stop fit with the first groove wall surface, and a gap is reserved between the stop bulge and the second groove wall surface.
Further, one side of the second installation part far away from the first installation part is also provided with a second rotation stopping surface, the first rotation stopping surface and the second rotation stopping surface are respectively positioned at two sides of the rotation axis of the flying needle, and the rotation angle of the flying needle is limited to be within a preset angle through the abutting fit of the first rotation stopping surface and the second rotation stopping surface to the flying needle.
Further, the preset angle is within 10 degrees.
Further, the second installation department is including keeping away from the first surface of first installation department and the second surface that links to each other with first surface, and the second surface is located the one side that the first surface is close to the needle point portion of flying needle, and first surface concave is equipped with the mounting groove, and the mounting groove extends to the second surface along first direction, and flying needle rotates to set up in the mounting groove, and the mounting groove has two third cell wall surfaces that set up along the rotation axial interval of flying needle, and flying needle spacing sets up between two third cell wall surfaces.
Further, one side of the second installation portion far away from the first installation portion is further provided with a second rotation stopping surface, the first rotation stopping surface and the second rotation stopping surface are respectively located at two sides of the rotation axis of the flying needle, the installation groove is provided with a fourth groove wall surface located between the two third groove wall surfaces, the fourth groove wall surface comprises a first surface section and a second surface section which are arranged along the first direction, the second surface section is perpendicular to the rotation axis of the flying needle, the first surface section is obliquely arranged, one end of the first surface section far away from the second surface section is closer to the first installation portion, a part of the second surface section forms the first rotation stopping surface, and a part of the first surface section forms the second rotation stopping surface.
Further, the second surface section is concavely provided with a containing groove, and the first elastic piece is contained in the containing groove.
Further, one side of the flying needle, which is close to the wall surface of the third groove, is provided with a wear-reducing ring, and the wear-reducing ring is sleeved on the periphery of the rotation axis of the flying needle.
Further, the first elastic member is a spring.
In a second aspect, the present application further provides a flying probe testing machine, including the flying probe module described above.
The utility model provides a fly needle module and fly needle test machine, rotate through the fly needle and connect in one side of linking bridge, the both ends of first elastic component are connected with fly needle and second installation department respectively with the pulling fly needle butt in first face of stopping soon for the fly needle is pushed away down by the solder joint top not only along with linking bridge swing and can also carry out the rotation of micro-angle with linking bridge, with the offset of the position that forms by the solder joint pushing in-process that removes to the fly needle compensates, reduces the fly needle and marks the trace that forms on the solder joint because of the offset of position.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
fig. 1 is a schematic structural diagram of a flying probe module according to an embodiment of the present disclosure;
FIG. 2 is a schematic top view of a structure formed by a connection bracket and a flying probe according to an embodiment of the present disclosure;
FIG. 3 is an exploded view of a connection bracket and a flying probe according to an embodiment of the present disclosure;
fig. 4 is a schematic view of a part of a structure of a flying probe module for testing a deformation position of a flying probe according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of the first end when passing through the adjusting portion according to the embodiment of the present application;
fig. 6 is a schematic view of a part of a structure of a flying probe module for testing a flying probe in a reset position according to an embodiment of the present application;
fig. 7 is a structural cross-sectional view of a magnetic member provided in an embodiment of the present application.
Description of the embodiments
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
Referring to fig. 1-3, an embodiment of the present application provides a flying needle module, which includes a connection bracket, a flying needle 220 and a first elastic member, wherein the flying needle 220 and the first elastic member are disposed on the connection bracket. The connecting bracket comprises a first mounting part 212, a second mounting part 211 and at least two connecting arms, wherein the at least two connecting arms are arranged between the first mounting part 212 and the second mounting part 211 at intervals along a first direction, and two ends of each connecting arm are respectively connected with the first mounting part 212 and the second mounting part 211. The two connecting arms are a first connecting arm 213 and a second connecting arm 214 respectively, the length of the second connecting arm 214 is larger than that of the first connecting arm 213, two sides of the junction of the first connecting arm 213 and the first mounting portion 212 and two sides of the junction of the first connecting arm 213 and the second mounting portion 211 are respectively provided with an arc-shaped first groove 2131, two sides of the junction of the second connecting arm 214 and the first mounting portion 212 and two sides of the junction of the second connecting arm 214 and the second mounting portion 211 are respectively provided with an arc-shaped second groove 2132. The second mounting portion 211 has a first rotation stopping surface on a side away from the first mounting portion 212, and the first rotation stopping surface is used for being in rotation stopping fit with the flying probe 220. The flying needle 220 is blade-shaped, the flying needle 220 is arranged on one side of the second mounting portion 211 away from the first mounting portion 212 and is rotationally connected with the second mounting portion 211, and the rotation axis of the flying needle 220 is perpendicular to the first direction. Both ends of the first elastic member are respectively connected with the flying needle 220 and the second mounting portion 211 to pull the flying needle 220 to abut against the first rotation stopping surface. In the process of the flying probe 220 test, the flying probe 220 is matched with the pushing of the welding spot, in the process of the flying probe 220 being pushed by the welding spot, the two connecting arms swing to drive the flying probe 220 to move upwards, in the process of the flying probe 220 moving upwards, friction force between the tip 222 of the flying probe 220 and the welding spot is utilized to drive the flying probe 220 to rotate at a micro angle relative to the second mounting part 211, and further, the position offset of the flying probe 220 formed in the process of the pushing and moving of the welding spot is compensated, and the trace amount of the flying probe 220 formed on the welding spot due to the position offset is reduced. When the abutting engagement between the tip 222 of the flying needle 220 and the welding spot is released, the flying needle 220 will automatically rotate to an initial position under the elastic force of the first elastic member, and the initial position is the position when the flying needle 220 abuts against the first rotation stopping surface.
Wherein the flying probe 220 and the second mounting portion 211 can be rotatably connected by a first rotation shaft. Preferably, the flying probe 220 is connected to the second mounting portion 211 by a bolt assembly, and a screw in the bolt assembly constitutes the first rotation shaft, so as to facilitate the disassembly of the flying probe 220.
In some embodiments of the present application, the needle 220 is provided with a stop protrusion 221, the stop protrusion 221 is located on a side of the rotation axis of the needle 220 near the needle tip 222 of the needle 220, the second mounting portion 211 is provided with a stop groove 2111, the stop protrusion 221 is inserted into the stop groove 2111, the stop groove 2111 has a first groove wall surface 2112 and a second groove wall surface 2113 which are disposed at intervals along the first direction, and the second groove wall surface 2113 is disposed near the needle tip 222. The stop protrusion 221 is in stop fit with the first groove wall surface 2112, so that part of the force applied to the flying probe 220 by the welding spot can be borne by the stop protrusion 221, thereby increasing the protection of the first rotating shaft. A gap is provided between the stopper protrusion 221 and the second groove wall surface 2113 so that the stopper protrusion 221 can smoothly enter and exit the stopper groove 2111.
The stop protrusion 221 is preferably a plate structure, which has a larger bearing area, and increases the service life of the stop protrusion 221.
In some embodiments of the present application, a second rotation stopping surface is further disposed on a side of the second mounting portion 211 away from the first mounting portion 212, the first rotation stopping surface and the second rotation stopping surface are respectively located on two sides of the rotation axis of the flying needle 220, and the rotation angle of the flying needle 220 is limited within a preset angle by the abutting cooperation of the first rotation stopping surface and the second rotation stopping surface to the flying needle 220. By the arrangement, the rotation angle of the flying needle 220 is limited, and the situation that the rotation angle of the flying needle 220 is overlarge is avoided.
Wherein the preset angle is within 10 degrees. Preferably, the preset angle is 5 °, 6 °, etc.
In some embodiments of the present application, the second mounting portion 211 includes a first surface 2114 remote from the first mounting portion 212 and a second surface 2115 connected to the first surface 2114, the second surface 2115 is located on a side of the first surface 2114 near the tip 222 of the flying needle 220, the first surface 2114 is concavely provided with a mounting groove 2116, the mounting groove 2116 extends to the second surface 2115 along the first direction, the flying needle 220 is rotatably disposed in the mounting groove 2116, and the mounting groove 2116 has two third groove wall surfaces 2117 disposed at intervals along the rotational axis of the flying needle 220. The needle 220 is limited between the two third groove wall surfaces 2117, that is, the needle 220 cannot be displaced in the mounting groove 2116 in the axial direction of the needle 220, so as to ensure that the needle 220 is in the axial position along the rotation axis.
Wherein, the side of the flying needle 220 near the third groove wall surface 2117 is provided with a wear-reducing ring 223, and the wear-reducing ring 223 is sleeved on the periphery of the rotation axis of the flying needle 220. The area of the wear ring 223 is smaller than the area of the portion of the needle 220 opposite the third groove wall surface 2117, thereby reducing wear between the needle 220 and the third groove wall surface 2117. The outer end surface of the wear ring 223 and the third groove wall surface 2117 may be smooth surfaces to further reduce wear therebetween.
In some embodiments of the present application, the second mounting portion 211 further has a second rotation stopping surface on a side far from the first mounting portion 212, the first rotation stopping surface and the second rotation stopping surface are located on two sides of the rotation axis of the needle 220, the mounting groove 2116 has a fourth groove wall surface 2118 located between the two third groove wall surfaces 2117, the fourth groove wall surface 2118 includes a first surface section 2119 and a second surface section 2120 disposed along the first direction, the second surface section 2120 is perpendicular to the rotation axis of the needle 220, the first surface section 2119 is disposed obliquely, and an end of the first surface section 2119 far from the second surface section 2120 is closer to the first mounting portion 212, a portion of the second surface section 2120 forms the first rotation stopping surface, and a portion of the first surface section 2119 forms the second rotation stopping surface. This arrangement helps to optimise the construction of the flying probe module.
Wherein, the second surface 2120 is concavely provided with a receiving groove 2121, and the first elastic element is received in the receiving groove 2121. Both ends of the first elastic member are respectively connected to the flying needle 220 and the retaining ring on the bottom groove wall of the accommodating groove 2121. The first elastic member may preferably be a spring.
Referring to fig. 4-7, in some embodiments of the present application, the flying probe module further includes a mounting base and a pusher 300. The mounting seat is formed with a first mounting cavity 110, the first mounting cavity 110 is provided with a first opening 111, the first opening 111 is positioned on the outer surface of the mounting seat, and a magnetic piece 120 is arranged in the first mounting cavity 110. The flying probe module is disposed at a side of the first opening 111 away from the first mounting cavity 110. The connection bracket 210 is fixedly connected to the mounting base through the first mounting portion 212, and the flying probe 220 is rotatably disposed on the second mounting portion 211. The connecting arm is elastically deformable to drive the flying needle 220 to swing, so that the flying needle 220 has a deformed position and a reset position, wherein the reset position is a normal position, specifically: when the flying probe module carries out the flying probe 220 test operation, the flying probe module can move towards the welding spot to be tested on the PCB board and enable the flying probe 220 to be in butt joint with the welding spot on the PCB board, at the moment, the connecting support 210 can deform towards the direction of the mounting seat under the butt joint action of the welding spot to the flying probe 220 so that the flying probe 220 moves from the reset position to the deformation position, and when the flying probe module moves upwards, the connecting support 210 can rebound and reset to drive the flying probe 220 to move to the reset position. It should be understood that: the reset position herein refers to a reset position when the connection bracket 210 is in a normal state, and the deformation position is not fixed. The pushing member 300 has a first end and a second end opposite to each other, the first end extends into the first mounting cavity 110 through the first opening 111, and the second end is connected to the second mounting portion 211, the first end is provided with a ferromagnetic member, the ferromagnetic member is disposed opposite to the magnetic member 120 at a position when the flying needle 220 is located at the reset position, and the flying needle 220 is driven to the reset position by magnetic attraction and cooperation of the magnetic member 120 and the ferromagnetic member.
According to the flying needle module and the flying needle 220 testing machine provided by the embodiment, the connecting support 210 can ensure that the flying needle 220 rebounds to the reset position through the magnetic attraction cooperation of the ferromagnetic piece and the magnetic piece under normal conditions, the connecting support 210 can pull the flying needle 220 to the reset position or almost pull the flying needle 220 to the reset position under the magnetic attraction cooperation of the ferromagnetic piece and the magnetic piece under the condition that deformation faults occur (deformation does not occur under the action of welding spots), and the position offset of the flying needle 220 is tested when the flying needle frame deforms is reduced, so that the validity of the testing result of the flying needle module is ensured. In addition, the shake of the connection bracket 210 brought to the flying needle 220 can be effectively reduced.
When the flying probe module has a plurality of flying probe modules, each flying probe module is configured with a corresponding pushing member 300 and a magnetic force adjusting component, so that the consistency of the probe heads of the plurality of flying probe 220 is better, and the validity of the test result of the flying probe module is further ensured.
The pushing member 300 may be a hollow T-shaped rod structure, and includes a first rod section 310 and a second rod section 320 that are vertically disposed, the magnetic member 120 is disposed on the first rod section 310, and the length of the first rod section 310 is greater than the width of the first opening 111 so that the outer edges of the first rod section 310 and the first opening 111 form a limit fit, so as to avoid the first end from being separated from the first mounting cavity 110. The first end of the pusher 300 is a first rod segment 310. The first pole segment 310 and the second pole segment 320 are preferably bolted or welded together. The ferromagnetic member may preferably be a strip-shaped iron sheet such that the ferromagnetic member and the magnetic member 120 are constant in the magnetically engaging position.
The mounting base and the pushing member 300 are preferably made of nonferrous materials, such as copper, aluminum, etc., so as to reduce the interference of the magnetic member 120.
Wherein, the connecting bracket 210 is made of plastic.
In some embodiments of the present application, the flying probe module further includes a magnetic force adjustment assembly including an adjustment member 410 and a second elastic member 420. The adjusting member 410 is movably disposed on the first cavity wall 112 to move between a first position, in which the adjusting member 410 extends into the moving path of the first end and is close to the magnetic member 120, and a second position, in which the adjusting member 410 exits the moving path of the first end under the pushing of the first end, and the second elastic member 420 abuts against the cavity wall surfaces of the adjusting member 410 and the first cavity wall 112 to provide an elastic force for the adjusting member 410 to move towards the first position. When the first end moves from the reset position to the deformation position, the first end is in pushing fit with the adjusting piece 410 positioned at the first position to push the adjusting piece 410 to the second position, and when the first end is separated from the adjusting piece 410, the adjusting piece 410 automatically moves to the first position under the drive of the second elastic piece 420, and in the process, the connecting bracket 210 is elastically deformed; when the first end moves from the deformed position to the reset position, the first end is in pushing fit with the adjusting member 410 at the first position to push the adjusting member 410 to the second position, and reaches the reset position when the first end passes through the adjusting member 410, and meanwhile, the adjusting member 410 automatically moves to the first position under the driving of the second elastic member 420. The adjusting member 410 is connected to the magnetic member 120, wherein the adjusting member 410 drives the magnetic member 120 to move to increase the magnetic attraction of the magnetic member 120 to the ferromagnetic member when moving from the first position to the second position, and the adjusting member 410 drives the magnetic member 120 to move to decrease the magnetic attraction of the magnetic member 120 to the ferromagnetic member when moving from the second position to the first position. So set up, can make the first end be greater than the magnetic attraction between magnetic part 120 and the ferromagnetic piece when flying needle 220 is located the reset position when adjusting piece 410 when magnetic attraction between magnetic part 120 and the ferromagnetic piece, not only can apply great magnetic attraction to the linking bridge 210 of deformation so that it better realizes the reset, and can also reduce the resistance that magnetic attraction formed to first end in the removal towards the deformation position, improved the protection effect of butt welding and flying needle 220.
Wherein, the installation cavity comprises a first cavity wall 112 positioned at one side of the first opening 111, the first cavity wall 112 comprises a first cavity wall section 1121 and a second cavity wall section 1122 which are mutually perpendicular and connected, the second cavity wall section 1122 is positioned between the first cavity wall section 1121 and the opening, the magnetic element 120 is arranged at the inner side of the second cavity wall section 1122, and the regulating element 410 is arranged at the first cavity wall section 1121. The second elastic member 420 is preferably a spring, and the first cavity wall section 1121 is fixedly provided with a limiting column, and the spring 420 is sleeved on the limiting column.
In some embodiments of the present application, the magnetic member 120 includes a mounting plate 121 and a permanent magnet 122 disposed on the mounting plate 121. The mounting plate 121 is coupled to the adjustment member 410 such that the magnetic member 120 can move synchronously with the adjustment member 410. The first chamber wall 112 is provided with a magnetic shield on one side of the movement path of the magnetic member 120 near the first end, the magnetic shield being provided with a through magnetic hole provided therethrough. The magnetic shield adjusts the effective communication area between the magnetic member 120 and the ferromagnetic member through the magnetic hole, thereby restraining the magnetic attraction force between the magnetic member 120 and the ferromagnetic member, and also helping to adjust the magnitude of the magnetic attraction force between the magnetic member 120 and the ferromagnetic member.
Wherein it is preferable that the area through the magnetic hole is adjustably set to adjust the magnetic attraction force between the magnetic member 120 and the ferromagnetic member.
In some embodiments of the present application, the magnetic shield includes a first magnetic shield panel 123 and a second magnetic shield panel 124 that are stacked, the first magnetic shield panel 123 is provided with a first through magnetic hole portion 1231 that penetrates, the second magnetic shield panel 124 is provided with a second through magnetic hole portion 1241 that penetrates, projection portions of the first through magnetic hole portion 1231 and the second through magnetic hole portion 1241 in the stacking direction overlap, and projection overlapping portions of the first through magnetic hole portion 1231 and the second through magnetic hole portion 1241 constitute a through magnetic hole. The first magnetic shield panel 123 and the second magnetic shield panel 124 are relatively movable to adjust the area of the projected overlapping portion of the first magnetic flux hole and the second magnetic flux hole, and thus the area of the magnetic flux hole.
Among them, it is preferable that the first magnetic shield panel 123 is provided to the first cavity wall 112 and the second magnetic shield panel 124 is provided to the magnetic member 120. The first magnetic shield panel 123 and the second magnetic shield panel 124 may each be a metal plate of a non-ferromagnetic material, such as a copper plate or an aluminum plate.
In some embodiments of the present application, the adjusting member 410 includes an adjusting portion 411 and a second connecting portion 412 connected to each other, the magnetic member 120 is connected to the second connecting portion 412, and both sides of the adjusting portion 411 along the moving direction of the first end are provided with pushing inclined surfaces 4111, where the pushing inclined surfaces 4111 are used for pushing and matching with the first end. So configured, the first end can be made to push the adjustment member 410 smoothly.
Wherein, the first end is provided with a pushing surface which is in pushing fit with the pushing inclined surface 4111, and the pushing surface is arc-shaped, so that the resistance between the first end and the adjusting piece 410 is reduced.
The adjustment portion 411 may have a plate-like structure, or the like, and the second connection portion 412 may have a plate-like structure.
When the adjusting member 410 is at the first position, the extending length of the adjusting portion 411 extending into the moving path of the first end is generally within 1mm, so that the adjusting portion 411 does not substantially affect the movement of the first end, and further high-frequency operation of the flying needle 220 can be ensured.
In some embodiments of the present application, a second installation cavity is disposed in the first cavity wall 112, the second installation cavity has a second opening, the adjusting portion 411 penetrates out of the second opening, the adjusting portion 411 is provided with an abutment ring, and the abutment ring is in abutment fit with an outer edge of the second opening, so as to prevent the adjusting portion 411 from falling into the first installation cavity 110. Both ends of the second elastic member 420 are respectively abutted against the adjusting portion 411 and the wall surface of the second mounting cavity.
The second installation cavity is L-shaped and comprises a first cavity section 1123 located in the first cavity wall section 1121 and a second cavity section 1124 located in the second cavity wall section 1122, the second opening is located in the cavity wall surface of the first cavity wall section 1121, a third opening communicated with the second cavity section 1124 is formed in the cavity wall surface of the second cavity wall section 1122, and the first magnetic shielding plate 123 is installed in the third opening.
In some embodiments of the present application, the second end is detachably and fixedly connected to the second mounting portion 211 to facilitate detachment therebetween. The second end and the second mounting portion 211 may be detachably connected together by screwing or the like.
The application also provides a flying probe 220 testing machine, which comprises the flying probe module.
It is to be understood that the above references to the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are for convenience in describing the present invention and simplifying the description only, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "plurality" is three or more.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the invention referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the invention. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (8)
1. A flying probe module, comprising:
the connecting bracket comprises a first mounting part, a second mounting part and at least two connecting arms, wherein the at least two connecting arms are arranged between the first mounting part and the second mounting part at intervals along a first direction, one side of the second mounting part far away from the first mounting part is provided with a first rotation stopping surface, the second mounting part is provided with a stop groove, and the stop groove is provided with a first groove wall surface and a second groove wall surface which are arranged at intervals along the first direction;
the flying needle is in a blade shape, the flying needle is rotationally connected to one side, far away from the first installation part, of the second installation part, the rotating axial direction of the flying needle is perpendicular to the first direction, the flying needle is provided with a stop protrusion, the stop protrusion is positioned on one side, close to the needle point part of the flying needle, of the rotating axis of the flying needle, the stop protrusion is inserted into the stop groove, the second groove wall surface is close to the needle point part, the stop protrusion is in stop fit with the first groove wall surface, and a gap is reserved between the stop protrusion and the second groove wall surface;
the two ends of the first elastic piece are respectively connected with the flying needle and the second mounting part to pull the flying needle to be abutted against the first rotation stopping surface;
the second installation department including keep away from the first surface of first installation department and with the second surface that the first surface links to each other, the second surface is located the first surface is close to the one side of the needle point portion of flying the needle, first surface concave is equipped with the mounting groove, the mounting groove is followed first direction extends to the second surface, the flying the needle rotate set up in the mounting groove, the mounting groove has along the rotation axial interval of flying the needle sets up two third cell wall surfaces, the flying the spacing setting of needle in between two third cell wall surfaces.
2. The flying needle module according to claim 1, wherein a second rotation stopping surface is further arranged on one side of the second mounting portion away from the first mounting portion, the first rotation stopping surface and the second rotation stopping surface are respectively located on two sides of the rotation axis of the flying needle, and the rotation angle of the flying needle is limited to be within a preset angle through abutting fit of the first rotation stopping surface and the second rotation stopping surface to the flying needle.
3. The flying probe module of claim 2 wherein the predetermined angle is within 10 °.
4. The flying probe module according to claim 1, wherein a second rotation stopping surface is further provided on a side of the second mounting portion away from the first mounting portion, the first rotation stopping surface and the second rotation stopping surface are located on two sides of a rotation axis of the flying probe, the mounting groove is provided with a fourth groove wall surface located between the two third groove wall surfaces, the fourth groove wall surface comprises a first surface section and a second surface section which are arranged along the first direction, the second surface section is perpendicular to the rotation axis of the flying probe, the first surface section is obliquely arranged, one end of the first surface section away from the second surface section is closer to the first mounting portion, a portion of the second surface section forms the first rotation stopping surface, and a portion of the first surface section forms the second rotation stopping surface.
5. The flying probe module of claim 4 wherein the second face section is recessed with a receiving slot, the first resilient member being received in the receiving slot.
6. The flying needle module according to claim 1, wherein a wear-reducing ring is arranged on one side of the flying needle, which is close to the wall surface of the third groove, and the wear-reducing ring is sleeved on the periphery of the rotation axis of the flying needle.
7. The flying needle module of claim 1 wherein the first resilient member is a spring.
8. A flying probe tester comprising a flying probe module as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN204649919U (en) * | 2015-05-12 | 2015-09-16 | 南京协辰电子科技有限公司 | A kind of wiring board flying probe tester intelligence restoring device |
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| JP2011242377A (en) * | 2010-05-19 | 2011-12-01 | Kimoto Gunsei | Probe |
| CN202757957U (en) * | 2012-08-01 | 2013-02-27 | 旺矽科技股份有限公司 | Edge finder utilizing magnetic force to eliminate rotating shaft deflection clearance |
| CN204116399U (en) * | 2014-09-17 | 2015-01-21 | 大族激光科技产业集团股份有限公司 | Flying probe device and test probe thereof |
| CN108896791A (en) * | 2018-07-09 | 2018-11-27 | 深圳市众博信科技有限公司 | A kind of flying needle mould group for high speed flying probe tester |
| CN209327401U (en) * | 2018-12-24 | 2019-08-30 | 昆山新亚新电子科技有限公司 | A kind of gauge head bracket of flying probe tester |
| CN214895653U (en) * | 2021-03-04 | 2021-11-26 | 上海季丰电子股份有限公司 | Auxiliary clamp for flying probe test |
| CN115704857A (en) * | 2021-08-09 | 2023-02-17 | 苏州联讯仪器有限公司 | Test probe station for laser chip |
| CN217305419U (en) * | 2022-01-19 | 2022-08-26 | 昆山格威测电子有限公司 | Probe anti-breaking structure for circuit board flying probe test |
| CN217360014U (en) * | 2022-04-20 | 2022-09-02 | 浙江微针半导体有限公司 | MEMS probe |
| CN115267277A (en) * | 2022-08-11 | 2022-11-01 | 渭南木王智能科技股份有限公司 | Double-head double-acting test probe capable of preventing needle shaft from rotating |
| CN115616376A (en) * | 2022-10-11 | 2023-01-17 | 深圳市迈创力科技有限公司 | Self-adjusting flying probe module for four-terminal test |
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| CN204649919U (en) * | 2015-05-12 | 2015-09-16 | 南京协辰电子科技有限公司 | A kind of wiring board flying probe tester intelligence restoring device |
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Denomination of invention: Flying Needle Module and Flying Needle Testing Machine Granted publication date: 20230523 Pledgee: Industrial and Commercial Bank of China Limited Kunshan Branch Pledgor: Suzhou Zhongxi Precision Motor Co.,Ltd. Registration number: Y2024980000274 |