CN113740656A - Testing device - Google Patents
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- CN113740656A CN113740656A CN202111146661.1A CN202111146661A CN113740656A CN 113740656 A CN113740656 A CN 113740656A CN 202111146661 A CN202111146661 A CN 202111146661A CN 113740656 A CN113740656 A CN 113740656A
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- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 239000000523 sample Substances 0.000 claims abstract description 119
- 238000001514 detection method Methods 0.000 claims abstract description 63
- 238000009434 installation Methods 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000003825 pressing Methods 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 238000013459 approach Methods 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000013102 re-test Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
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- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention discloses a testing device, which comprises a machine body, a positioning jig and a detection mechanism, wherein the machine body is provided with an installation cavity and a through hole communicated with the installation cavity, the positioning jig is connected with the machine body, the positioning jig is provided with a positioning groove for placing a product, the bottom wall of the positioning groove is provided with a through hole corresponding to the through hole, the detection mechanism comprises a driving structure and a detection assembly which are arranged in the installation cavity, the detection assembly is connected with an output shaft of the driving structure and penetrates through the through hole and the through hole to extend into the positioning groove, the detection assembly is provided with a probe for detecting the product, and the outer part of the probe is sleeved with a rubber sleeve; wherein, drive structure drive detection component removes, makes gum cover and product butt to detect the product. The testing device provided by the invention improves the stability of testing values, improves the yield of products, reduces the retest rate of the products, improves the working efficiency and effectively prolongs the service life of the probe.
Description
Technical Field
The invention relates to the technical field of resistance testing of a middle frame of an intelligent watch, in particular to a testing device.
Background
In recent years, along with the increase of watch functions, the watch is slowly developed from a mechanical type to an electronic type, in order to guarantee normal use of functions such as WiFi and GPS of the watch, more and more watches provide higher requirements for resistance testing, and the normal use of the functions of the intelligent watch can be guaranteed only if the resistance testing is stable, so the watch must be subjected to the resistance testing.
In the related art, when a resistance test is performed, a test surface of the watch is sometimes an inclined surface and is smaller, an anode layer is arranged around the test surface and is not conducted, and when a test device uses a probe to directly test a product, the head of the probe is easy to shake and contact the anode layer around, so that a resistance test result is unstable, and the service life of the probe is shorter.
Disclosure of Invention
The invention mainly aims to provide a testing device and a testing system, aiming at providing a testing device which ensures that a probe is in good contact with a product testing point.
In order to achieve the above object, the present invention provides a testing apparatus, including:
the engine body is provided with an installation cavity and a through hole communicated with the installation cavity;
the positioning jig is connected to the machine body and provided with a positioning groove for placing a product, and a through hole is formed in the bottom wall of the positioning groove corresponding to the through hole; and
the detection mechanism comprises a driving structure and a detection assembly which are arranged in the installation cavity, the detection assembly is connected to an output shaft of the driving structure and penetrates through the through hole and the via hole to extend into the positioning groove, the detection assembly is provided with a probe for detecting a product, and a rubber sleeve is sleeved outside the probe;
the driving structure drives the detection assembly to move, so that the rubber sleeve is abutted to the product to detect the product.
In one embodiment, the probe comprises:
the probe base is provided with a movable cavity with one open end;
the spring is arranged in the movable cavity; and
one end of the probe head movably penetrates through the opening to extend into the movable cavity and is connected with the spring, and the rubber sleeve is sleeved outside the other end of the probe head.
In one embodiment, the rubber sleeve is made of silica gel, and the silica gel is filled with conductive particles.
In one embodiment, the conductive particles are aluminum powder or silver powder;
and/or a limit table is convexly arranged on the inner wall of the movable cavity, which is adjacent to the opening, a stop table is arranged at one end of the probe head, which extends into the movable cavity, and the stop table is in limit abutting joint with the limit table;
and/or the rubber sleeve is flush with the end part of the probe head.
In one embodiment, the detection assembly comprises:
the mounting seat is connected to an output shaft of the driving structure, and at least part of the mounting seat protrudes out of the through hole and extends into the positioning groove; and
the detection plate is arranged on one side, back to the driving structure, of the mounting base, and the probes are arranged on the detection plate and electrically connected with the detection plate.
In one embodiment, the probe comprises a plurality;
the plurality of probes are arranged on the detection plate at intervals and are distributed along the circumferential direction of the via holes; and/or every two probes are in a group, and the two probes in each group are arranged on two opposite sides of the detection plate.
In one embodiment, the detection mechanism comprises two of the detection assemblies, and the drive structure comprises:
the supporting seat is arranged in the mounting cavity, a sliding groove is formed in one side, facing the through hole, of the supporting seat, and a through hole is formed in the bottom wall of the sliding groove and corresponds to the through hole;
the driving assembly is arranged in the mounting cavity, an output shaft of the driving assembly penetrates through the through hole to extend into the sliding groove, and a guide block is arranged; and
the two sliding seats are arranged on the sliding chute in a sliding manner and are positioned on two opposite sides of the guide block, the two sliding seats are respectively connected with two opposite sides of the guide block in a sliding manner, and each detection assembly is arranged on one side, back to the bottom wall of the sliding chute, of one sliding seat;
the driving assembly drives the guide block to move along the axial direction of the through hole, so that the guide block drives the two sliding seats and the two detection assemblies to mutually approach or separate along the extending direction of the sliding groove.
In an embodiment, a guide sliding surface is arranged on one side of each sliding seat facing the guide block, the guide block is provided with a guide inclined surface corresponding to each guide sliding surface, and the guide sliding surface is in sliding contact with the guide inclined surface.
In one embodiment, the distance between the two guide inclined surfaces is gradually increased along the direction from the end, adjacent to the output shaft of the driving assembly, of the guide block to the end, away from the output shaft of the driving assembly, of the guide block;
and/or, one of the guide sliding surface and the guide inclined surface is provided with a sliding protrusion, the other of the guide sliding surface and the guide inclined surface is provided with a sliding groove, and the sliding protrusion is in sliding fit with the sliding groove;
and/or each sliding seat comprises a bottom plate, a supporting column and a limiting plate, the limiting plate and the bottom plate are arranged at two opposite ends of the supporting column, a limiting groove is formed in the side wall of the sliding chute, part of the bottom plate is limited in the limiting groove in a sliding manner, the limiting plate protrudes out of the notch of the sliding chute and is in sliding abutting joint with the supporting seat, and the sliding guide surface is arranged on one side, facing the guide block, of the supporting column;
and/or, the drive assembly is including locating driving piece and drive shaft in the installation cavity, the one end of drive shaft with the driving piece is connected, the other end of drive shaft passes the through-hole stretches into in the spout, the drive shaft is kept away from the one end of driving piece is equipped with the mounting groove, the guide block is located in the mounting groove.
In one embodiment, the testing device further comprises a compression assembly, the compression assembly comprising:
the fixing seat comprises a fixing plate and an installation plate which are arranged at an included angle, the fixing plate is arranged on the machine body, and the installation plate is connected to one end, far away from the machine body, of the fixing plate and is opposite to the positioning jig;
the driving cylinder is arranged on the mounting plate; and
the pressing block is connected to the output shaft of the driving cylinder and arranged corresponding to the positioning groove;
the driving cylinder drives the pressing block to be close to or far away from the positioning jig so as to compress or release the product in the positioning groove.
According to the technical scheme, the testing device is provided with the mounting cavity in the machine body, so that the mounting cavity can be conveniently mounted and the driving structure of the detection mechanism can be conveniently fixed, the attractiveness of the testing device is improved, and meanwhile the driving structure of the detection mechanism is protected; the positioning jig is arranged on the machine body, so that the positioning groove of the positioning jig is utilized to position the product, and the detection accuracy of the detection mechanism is ensured; meanwhile, the machine body is provided with the through hole communicated with the installation cavity, and the positioning jig is provided with the through hole, so that a detection assembly of the detection mechanism can conveniently penetrate through the through hole and extend into the positioning groove, and a product in the positioning groove can be conveniently detected by a probe; further, through setting up the gum cover in the outside of probe to when drive structure drive determine module removed, utilize gum cover and product butt, thereby when guaranteeing that gum cover and product contact can not damage the product, in order to guarantee the good contact of probe and product test point, with the stability that improves test value, promote the yield of product, reduce the retest rate of product simultaneously, improve work efficiency, and effectively improved the life of probe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a test product of a testing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a testing apparatus according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
FIG. 4 is an exploded view of a testing device according to an embodiment of the present invention;
FIG. 5 is a schematic partial cross-sectional view of a testing apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a detecting mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a portion of a detection mechanism according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a supporting base according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a sliding seat according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of a probe and product test point contact structure according to an embodiment of the invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Also, the meaning of "and/or" and/or "appearing throughout is meant to encompass three scenarios, exemplified by" A and/or B "including scenario A, or scenario B, or scenarios where both A and B are satisfied.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In recent years, along with the increase of watch functions, the watch is slowly developed from a mechanical type to an electronic type, in order to guarantee normal use of functions such as WiFi and GPS of the watch, more and more watches provide higher requirements for resistance testing, and the normal use of the functions of the intelligent watch can be guaranteed only if the resistance testing is stable, so the watch must be subjected to the resistance testing.
In the related art, when a resistance test is performed, a test surface of the watch is sometimes an inclined surface and is smaller, an anode layer is arranged around the test surface and is not conducted, and when a test device uses a probe to directly test a product, the head of the probe is easy to shake and contact the anode layer around, so that a resistance test result is unstable, and the service life of the probe is shorter. Meanwhile, the watchcase type product has a special structure and high precision, so that the product is easily damaged in the detection process, and the yield of the product is influenced.
Based on the above-mentioned conception and problems, the present invention provides a testing apparatus 100. It is understood that the testing apparatus 100 is used for testing the resistance performance of an electronic device, and the electronic device may be a mobile phone, a sound, a computer, a headset, a watch, a television, or the like, which is not limited herein. The present invention will be described with reference to a wristwatch as an example.
Referring to fig. 1 to 10, in an embodiment of the present invention, the testing apparatus 100 includes a machine body 1, a positioning fixture 2 and a detecting mechanism 3, wherein the machine body 1 is provided with an installation cavity 11 and a through hole 12 communicating with the installation cavity 11, the positioning fixture 2 is connected to the machine body 1, the positioning fixture 2 is provided with a positioning groove 21 for placing a product 5, a through hole 22 is provided on a bottom wall of the positioning groove 21 corresponding to the through hole 12, the detecting mechanism 3 includes a driving structure 31 and a detecting component 32 provided in the installation cavity 11, the detecting component 32 is connected to an output shaft of the driving structure 31 and extends into the positioning groove 21 through the through hole 12 and the through hole 22, the detecting component 32 is provided with a probe 321 for detecting the product 5, and a rubber sleeve 3211 is sleeved outside the probe 321; wherein, drive structure 31 drive detection subassembly 32 removes, makes gum cover 3211 and product 5 butt to detect product 5.
In the present embodiment, as shown in fig. 1 to 4, the machine body 1 is used for mounting, fixing and supporting the positioning fixture 2, the detecting mechanism 3 and other components of the testing device 100, that is, the machine body 1 provides a mounting base for the positioning fixture 2, the detecting mechanism 3 and other components of the testing device 100. It can be understood that the machine body 1 may be a frame, a mounting table, a mounting plane, a mounting shell, a supporting frame, or the like, and certainly, in order to ensure the adaptive installation of each component, a step structure or a gantry structure with a certain height is formed on the machine body 1, which is not limited herein.
It can be understood that the installation cavity 11 is arranged inside the machine body 1, so that the installation, fixing and protection of the driving structure 31 of the detection mechanism 3 by using the installation cavity 11 are facilitated. In this embodiment, the mounting cavity 11 of the housing 1 may be a sealed cavity, so that the sealing performance can be improved to achieve the waterproof or dustproof effect. Of course, the installation cavity 11 of the machine body 1 may also be an open cavity, that is, the installation cavity 11 has a structure of an installation opening or an opening communicated with the outside, and the like, which is not limited herein.
In this embodiment, the positioning fixture 2 and the machine body 1 can be separated from each other, so as to improve the convenience of assembly and disassembly. Of course, in other embodiments, the positioning fixture 2 and the machine body 1 may be integrally disposed, that is, the positioning fixture 2 and the machine body 1 are integrally formed. It can be understood that the positioning jig 2 can be fixedly arranged on the machine body 1 by welding or integrated molding, so that the mounting stability and firmness of the positioning jig 2 can be improved. Of course, the positioning fixture 2 may also be connected with the machine body 1 as an integral structure by detachable connection methods such as snap connection, insertion fit, screw connection, or pin connection, which is not limited herein.
It can be understood that, through set up the perforating hole 12 of intercommunication installation cavity 11 on organism 1 to corresponding perforating hole 12 and seting up via hole 22 on positioning jig 2, so can make things convenient for detection mechanism 3's determine module 32, pass perforating hole 12 and via hole 22 and stretch into in the constant head tank 21, in order to make things convenient for probe 321 to detect the product 5 in the constant head tank 21.
According to the testing device 100, the installation cavity 11 is arranged in the machine body 1, so that the installation cavity 11 is convenient for installing and fixing the driving structure 31 of the detection mechanism 3, the attractiveness of the testing device 100 is improved, and meanwhile, the driving structure 31 of the detection mechanism 3 is protected; the positioning jig 2 is arranged on the machine body 1, so that the positioning groove 21 of the positioning jig 2 is utilized to position the product 5, and the detection accuracy of the detection mechanism 3 is ensured; meanwhile, the through hole 12 communicated with the installation cavity 11 is formed in the machine body 1, and the through hole 22 is formed in the positioning jig 2, so that the detection assembly 32 of the detection mechanism 3 conveniently penetrates through the through hole 12 and the through hole 22 and extends into the positioning groove 21, and the probe 321 conveniently detects the product 5 in the positioning groove 21; further, through setting up gum cover 3211 in the outside at probe 321, thereby when drive structure 31 drive detecting element 32 removed, utilize gum cover 3211 and product 5 butt, thereby when guaranteeing that gum cover 3211 and product 5 contact can not damage product 5, in order to guarantee the good contact of probe 321 and product 5 test point, with the stability that improves test value, promote the yield of product, reduce the retest rate of product simultaneously, improve work efficiency, and effectively improved the life of probe.
In an embodiment, the probe 321 includes a probe seat 3212, a spring 3216, and a probe head 3217, wherein the probe seat 3212 is provided with a movable cavity 3213 having an opening 3214 at one end, the spring 3216 is disposed in the movable cavity 3213, one end of the probe head 3217 movably penetrates the opening 3214 to extend into the movable cavity 3213 and is connected to the spring 3216, and a rubber sleeve 3211 is sleeved outside the other end of the probe head 3217.
In this embodiment, as shown in fig. 3 and 10, the probe base 3212 is used for mounting, fixing and supporting the spring 3216, the probe head 3217 and other structures, and the probe base 3212 is also used for mounting and fixing the probe 321 on the detecting component 32. It can be appreciated that the movable cavity 3213 and the opening 3214 communicating with the movable cavity 3213 are provided in the probe holder 3212, so that the movable cavity 3213 can be conveniently used to provide a movable space for the probe head 3217.
It can be understood that, through setting up spring 3216 class elastic component structure for spring 3216 is located movable cavity 3213, and the one end of spring 3216 is connected with the chamber wall of movable cavity 3213, and the other end of spring 3216 is connected with probe head 3217, thereby moves at drive arrangement 31 drive detection subassembly 32, and when probe head 3217 of probe 321 and product 5 butt, utilize spring 3216 to provide the cushion force, produce the damage to product 5 with the probe head 3217 of effectively avoiding probe 321, with the yield that improves product 5.
In this embodiment, the extending direction of the movable cavity 3213 of the probe base 3212 is the same as the axial direction and the sliding direction of the probe head 3217. Set up gum cover 3211 through the one end that stretches out movable chamber 3213 at probe 3217, make gum cover 3211 cover locate probe 3217's outer wall, thereby when drive structure 31 drive detecting component 32 removes, during probe 321 and product 5 butt, earlier by gum cover 3211 and product 5 butt, in order to play cushioning effect to probe 321, simultaneously when probe 3217 and product 5 butt, gum cover 3211 plays the effect of compressing tightly product 5, play limiting displacement to probe 3217's removal simultaneously, effectively avoid probe 3217 to remove the in-process and take place phenomenons such as rock, in order to ensure the good contact of probe 321 and product 5 test point, in order to improve test value's stability, promote the yield of product, reduce the retest rate of product simultaneously, and improve work efficiency, and effectively improved the life of probe.
It is understood that the material of the rubber sleeve 3211 may be flexible or elastic, such as silicone, rubber or plastic, and is not limited herein. Optionally, the rubber sleeve 3211 is made of silica gel.
In an embodiment, the rubber sleeve 3211 is made of silica gel, and the silica gel is filled with conductive particles. It can be understood that, by filling or mixing conductive particles in the silica gel, the rubber sleeve 3211 has good conductivity, shielding resistance and high/low temperature resistance, so that when the rubber sleeve 3211 moves along with the probe 321, the rubber sleeve 3211 can well contact the test surface of the product 5, and it is ensured that the probe head 3217 can well contact the test point position of the product 5 through the rubber sleeve 3211; meanwhile, the good conductivity and the anti-shielding performance of the rubber sleeve 3211 greatly improve the stability of the test value, so that the yield of the product 5 is improved, the retest rate of the product 5 is reduced, the work efficiency is effectively improved, and the service life of the probe 321 is effectively prolonged. Alternatively, the conductive particles filled in the colloidal silica may be aluminum powder or silver powder.
In an embodiment, as shown in fig. 10, a limiting table 3215 is convexly disposed on an inner wall of the movable cavity 3213 adjacent to the opening 3214, a stopping table 3218 is disposed at an end of the probe head 3217 extending into the movable cavity 3213, and the stopping table 3218 is in limiting abutment with the limiting table 3215.
It can be understood that, through setting up spacing platform 3215 at the one end inner wall that probe seat 3212 is close to opening 3214 to stretch into movable cavity 3213's one end at probe head 3217 and be equipped with backstop platform 3218, thereby under the spring action of spring 3216, make backstop platform 3218 and spacing butt of spacing platform 3215, so one side alright guarantee that probe head 3217 can not break away from movable cavity 3213, on the other hand, compress tightly probe head 3217 through spring 3216's elasticity, avoid probe head 3217 to take place to rock scheduling problem at the removal in-process.
In this embodiment, the spring 3216 in the movable cavity 3213 of the probe holder 3212 cooperates with the rubber sleeve 3211 to effectively avoid the problem of shaking of the probe head 3217 during the moving process.
Optionally, the rubber sleeve 3211 is flush with an end of the probe head 3217, that is, an end of the rubber sleeve 3211 away from the probe base 3212 is flush with an end of the probe head 3217 away from the spring 3216. It can be understood that, in other embodiments, the rubber sleeve 3211 may also be sleeved on a portion of an outer wall of the probe base 3212, so as to effectively seal the opening 3214 of the movable cavity 3213, and meanwhile, the probe head 3217 is further positioned by using the elastic shrinkage performance of the rubber sleeve 3211.
In one embodiment, sensing assembly 32 includes a mounting base 322 and a sensing plate 323, wherein mounting base 322 is connected to the output shaft of driving structure 31, at least a portion of mounting base 322 protrudes through hole 22 and into positioning slot 21, sensing plate 323 is disposed on a side of mounting base 322 opposite to driving structure 31, and probe 321 is disposed on sensing plate 323 and electrically connected to sensing plate 323.
In the present embodiment, as shown in fig. 3, 4, and 5 to 7, by providing the mounting seat 322, the mounting seat 322 is used to fix the detection plate 323 and the probe 321, and the driving structure 31 is connected to facilitate the mounting and dismounting of the detection assembly 32. It is understood that the mounting seat 322 and the output shaft of the driving structure 31 may be integrally or separately disposed, and are not limited herein.
It will be appreciated that sensing plate 323 not only provides mounting securement for probes 321, but also receives a sensing signal from probes 321. Alternatively, the detection board 323 may be a circuit board, a test board, or the like, which is not limited herein.
In one embodiment, the probe 321 includes a plurality of probes 321, and the plurality of probes 321 are disposed at intervals on the detection plate 323 and arranged along the circumferential direction of the via hole 22. As shown in fig. 3, 6 and 7, the plurality of probes 321 are arranged such that the plurality of probes 32 are arranged at intervals along the circumferential direction of the via hole 22, and are contacted with a part of the product 5 or the test surface, respectively, to detect the resistance performance.
Optionally, each two probes 321 in the plurality of probes 321 are in one group, the two probes 321 in each group are disposed on two opposite sides of the detection plate 323, and the plurality of groups of probes 321 are arranged at intervals along the circumferential direction of the via hole 22, so that the detection stability and accuracy of the testing device 100 are improved.
In an embodiment, the detecting mechanism 3 includes two detecting assemblies 32, the driving structure 31 includes a supporting seat 311, a driving assembly 312 and two sliding seats 314, wherein the supporting seat 311 is disposed in the mounting cavity 11, a sliding groove 3111 is disposed on one side of the supporting seat 311 facing the through hole 12, a through hole 3112 is disposed on the bottom wall of the sliding groove 3111 corresponding to the through hole 12, the driving assembly 312 is disposed in the mounting cavity 11, an output shaft of the driving assembly 312 passes through the through hole 3112 and extends into the sliding groove 3111, and a guide block 313 is disposed, the two sliding seats 314 are slidably disposed on the sliding groove 3111 and are located on opposite sides of the guide block 313, the two sliding seats 314 are respectively slidably connected with opposite sides of the guide block 313, and each detecting assembly 32 is disposed on one side of one sliding seat 314 facing away from the bottom wall of the sliding groove 3111; the driving assembly 312 drives the guide block 313 to move along the axial direction of the through hole 3112, so that the guide block 313 drives the two sliding seats 314 and the two detecting assemblies 32 to move close to or away from each other along the extending direction of the sliding slot 3111.
In this embodiment, as shown in fig. 2 and fig. 4 to fig. 9, two detecting assemblies 32 are disposed, and a sliding slot 3111 is disposed on the supporting seat 311, so that the two sliding seats 314 are slidably disposed on the sliding slot 3111 and located on two opposite sides of the guide block 313, the guide block 313 is connected to the output shaft of the driving assembly 312, and thus the driving assembly 312 drives the guide block 313 to move along the axial direction of the through hole 3112, so that the guide block 313 drives the two sliding seats 314 and the two detecting assemblies 32 to approach or move away from each other along the extending direction of the sliding slot 3111.
It can be understood that the driving assembly 312 drives the guide block 313 to move up and down, and the two sliding seats 314 are pushed to move closer to or away from each other along the extending direction of the sliding slot 3111 by the lifting and lowering of the guide block 313, and the lifting and lowering direction of the guide block 313 is perpendicular to the sliding direction of the two sliding seats 314 along the sliding slot 3111.
In this embodiment, the supporting seat 311 is provided with the sliding groove 3111, which can realize sliding guidance for the two sliding seats 314, and limit the two sliding seats 314 in the lifting direction of the guide block 313. It will be appreciated that the guide block 313 has a triangular or trapezoidal configuration, i.e., the two sliding blocks 314 are moved in the horizontal direction as the guide block 313 is raised and lowered in the vertical direction.
It is understood that the driving assembly 312 may be a lifting cylinder, a lifting motor or other structures capable of performing a lifting function, and is not limited herein.
In an embodiment, as shown in fig. 5, 7 and 9, a sliding guide surface 3141 is disposed on a side of each sliding seat 314 facing the guide block 313, the guide block 313 is disposed with a guiding inclined surface 3131 corresponding to each sliding guide surface 3141, and the sliding guide surface 3141 and the guiding inclined surface 3131 are in sliding contact.
It can be understood that, by providing the guide block 313 and the sliding seat 314 with the guide slope 3131 and the guide slope 3141, respectively, the guide slope 3131 of the guide block 313 slides along the guide slope 3141 of the sliding seat 314 during the lifting and lowering of the guide block 313, so as to realize the sliding guide.
Alternatively, the spacing between the two guiding inclined surfaces 3131 gradually increases in a direction from the end of the guiding block 313 adjacent to the output shaft of the driving assembly 312 to the end away from the output shaft of the driving assembly 312.
In one embodiment, in order to further improve the sliding guide of the guide block 313 and the sliding seat 314, as shown in fig. 5, 7 and 9, one of the sliding guide surface 3141 and the sliding guide surface 3131 is provided with a sliding protrusion 3142, the other is provided with a sliding groove 3132, and the sliding protrusion 3142 is in sliding fit with the sliding groove 3132.
In the present embodiment, the sliding protrusion 3142 is accommodated in the sliding groove 3132 and can slide along the sliding groove 3132. Alternatively, the cross-section of the sliding groove 3132 is U-shaped, V-shaped, wedge-shaped or dovetail-shaped, and the shape of the sliding protrusion 3142 is adapted to the shape profile of the sliding groove 3132, which is not limited herein.
In an embodiment, as shown in fig. 9, each sliding seat 314 includes a bottom plate 3143, a supporting post 3144, and a limiting plate 3145, the limiting plates 3145 and the bottom plate 3143 are disposed at two opposite ends of the supporting post 3144, a limiting groove 3113 is disposed on a side wall of the sliding groove 3111, a portion of the bottom plate 3143 is slidably limited in the limiting groove 3113, the limiting plate 3145 protrudes out of a notch of the sliding groove 3111 and is slidably abutted against the supporting seat 311, and a sliding guide surface 3141 is disposed on a side of the supporting post 3144 facing the guiding block 313.
It can be understood that the bottom plate 3143 of the sliding seat 314 is a plate-shaped structure, the supporting column 3144 is convexly disposed on the bottom plate 3143, the limiting plate 3145 is disposed at one end of the supporting column 3144 away from the bottom plate 3143, and is disposed parallel to the bottom plate 3143, that is, the bottom plate 3143, the supporting column 3144 and the limiting plate 3145 enclose and form an i-shaped structure, and the limiting groove 3113 is disposed on the side wall of the sliding groove 3111, so that the limiting groove 3113 is utilized to limit the bottom plate 3143 in the vertical direction, and the sliding in the horizontal direction is not affected.
In this embodiment, the sliding guide surface 3141 is disposed on a side of the supporting column 3144 facing the guiding block 313 and is inclined, and the sliding guide surface 3141 is inclined downward from the limiting plate 3145 toward the bottom plate 3143.
In one embodiment, as shown in fig. 4, 6 and 7, the driving assembly 312 includes a driving member 3121 and a driving shaft 3122 disposed in the installation cavity 11, one end of the driving shaft 3122 is connected to the driving member 3121, the other end of the driving shaft 3122 extends into the sliding groove 3111 through the through hole 3112, one end of the driving shaft 3122 away from the driving member 3121 is provided with an installation groove 3123, and the guide block 313 is disposed in the installation groove 3123.
In this embodiment, the driving member 3121 may be a lifting cylinder, a lifting motor, or other structures capable of performing a lifting function, and is not limited herein. The fixed guide block 313 is installed using the installation groove 3123 by providing the installation groove 3123 at an end of the driving shaft 3122 remote from the driving member 3121. It can be understood that the mounting groove 3123 is U-shaped and opens toward a side facing away from the driving shaft 3122, and for the convenience of the guiding inclined surface 3131 of the guiding block 313 abutting against the guiding sliding surface 3141 of the sliding seat 314, two opposite sides of the mounting groove 3123 are provided with an avoiding notch.
It can be understood that, in order to further improve the stability of the driving member 3121 driving the driving shaft 3122 to drive the guide block 313 to ascend and descend, the driving shaft 3122 is provided with a guide protrusion, the supporting seat 311 is provided with a guide hole communicated with the sliding chute 3111, the guide hole is a strip-shaped hole or a kidney-shaped hole, and the extending direction of the guide hole is consistent with the ascending and descending direction of the guide block 313.
In an embodiment, the testing device 100 further includes a pressing assembly 4, the pressing assembly 4 includes a fixing base 41, a driving cylinder 42 and a pressing block 43, wherein the fixing base 41 includes a fixing plate 411 and a mounting plate 412 which are arranged at an included angle, the fixing plate 411 is disposed on the machine body 1, the mounting plate 412 is connected to one end of the fixing plate 411, which is far away from the machine body 1, and is opposite to the positioning fixture 2, the driving cylinder 42 is disposed on the mounting plate 412, and the pressing block 43 is connected to an output shaft of the driving cylinder 42 and is disposed corresponding to the positioning slot 21; wherein, the driving cylinder 42 drives the pressing block 43 to approach or separate from the positioning jig 2 to press or release the product 5 in the positioning slot 21.
In the present embodiment, as shown in fig. 1, fig. 2 and fig. 4, by providing the pressing assembly 4, the driving cylinder 42 is utilized to drive the pressing block 43 to approach or depart from the positioning fixture 2, so as to press or release the product 5 in the positioning groove 21, so that the product 5 can be pressed and positioned in the positioning groove 21 of the positioning fixture 2, and the detection accuracy is further improved.
When the testing device 100 of the invention is used for detecting, a product 5 is placed in the positioning groove 21 of the positioning jig 2, the pressing block 43 is driven to be close to the positioning jig 2 by using the driving air cylinder 42 of the pressing component 4, so that the pressing block 43 presses the product 5 in the positioning groove 21 to realize the positioning and placement of the product 5; drive axle 3122 drives guide block 313 and descends along vertical direction through the driving piece 3121 drive axle that utilizes drive structure 31 among the detection mechanism 3 for guide block 313 promotes two sliding seat 314 of both sides and drives two detection component 32 and keep away from each other, so that make the first butt of gum cover 3211 of probe 321 and product 5's test surface, probe 3217 continues to move to the test surface contact with product 5, in order to test product 5. After the test, driving piece 3121 drive shaft 3122 drives guide block 313 and rises along vertical direction, make two sliding seat 314 that guide block 313 stimulates both sides drive two determine module 32 and be close to each other, thereby make probe 321 keep away from the test face of product 5, later utilize the drive actuating cylinder 42 drive briquetting 43 that compresses tightly subassembly 4 to keep away from positioning jig 2, make briquetting 43 release the product 5 in the constant head tank 21, thereby take off product 5 from the constant head tank 21 in, later continue to test other products 5 according to above-mentioned step, no longer describe herein.
It can be understood that the test surface of product 5 is the facet, the width is only 0.3mm, the area is very little, probe 3217 direct contact of probe 321 tests the surface of this kind of product 5, in order to guarantee that probe 3217 can be in the same direction as smooth seesaw, probe 3217 and probe seat 3212 are sliding fit (clearance fit), probe 3217 has certain rocking, lead to probe 3217 probably to contact other positions of non-product 5 test surface, this position is broken positive, can't carry out resistance test, lead to the test result unstable, and test through this mode and cause probe 321's damage easily, influence probe 321 life. Through set up gum cover 3211 and product 5 test surface on probe 321 and contact, gum cover 3211 is softer, and elasticity is better, can compensate the insufficient problem of contact through self elasticity during contact inclined plane or facet, and filled electrically conductive particles such as aluminium powder, silver powder in the gum cover 3211, had good electric conductive property, anti shielding performance, resistant high and low temperature performance, can effectively promote the stability and the probe 321 life of test result.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A test apparatus, characterized in that the test apparatus comprises:
the engine body is provided with an installation cavity and a through hole communicated with the installation cavity;
the positioning jig is connected to the machine body and provided with a positioning groove for placing a product, and a through hole is formed in the bottom wall of the positioning groove corresponding to the through hole; and
the detection mechanism comprises a driving structure and a detection assembly which are arranged in the installation cavity, the detection assembly is connected to an output shaft of the driving structure and penetrates through the through hole and the via hole to extend into the positioning groove, the detection assembly is provided with a probe for detecting a product, and a rubber sleeve is sleeved outside the probe;
the driving structure drives the detection assembly to move, so that the rubber sleeve is abutted to the product to detect the product.
2. The test apparatus of claim 1, wherein the probe comprises:
the probe base is provided with a movable cavity with one open end;
the spring is arranged in the movable cavity; and
one end of the probe head movably penetrates through the opening to extend into the movable cavity and is connected with the spring, and the rubber sleeve is sleeved outside the other end of the probe head.
3. The testing device as claimed in claim 2, wherein the rubber sleeve is made of silica gel, and the silica gel is filled with conductive particles.
4. The test apparatus according to claim 3, wherein the conductive particles are aluminum powder or silver powder;
and/or a limit table is convexly arranged on the inner wall of the movable cavity, which is adjacent to the opening, a stop table is arranged at one end of the probe head, which extends into the movable cavity, and the stop table is in limit abutting joint with the limit table;
and/or the rubber sleeve is flush with the end part of the probe head.
5. The testing device of claim 1, wherein the detection component comprises:
the mounting seat is connected to an output shaft of the driving structure, and at least part of the mounting seat protrudes out of the through hole and extends into the positioning groove; and
the detection plate is arranged on one side, back to the driving structure, of the mounting base, and the probes are arranged on the detection plate and electrically connected with the detection plate.
6. The test apparatus of claim 5, wherein the probe comprises a plurality;
the plurality of probes are arranged on the detection plate at intervals and are distributed along the circumferential direction of the via holes; and/or every two probes are in a group, and the two probes in each group are arranged on two opposite sides of the detection plate.
7. The test device of any one of claims 1 to 6, wherein the detection mechanism comprises two of the detection assemblies, the drive structure comprising:
the supporting seat is arranged in the mounting cavity, a sliding groove is formed in one side, facing the through hole, of the supporting seat, and a through hole is formed in the bottom wall of the sliding groove and corresponds to the through hole;
the driving assembly is arranged in the mounting cavity, an output shaft of the driving assembly penetrates through the through hole to extend into the sliding groove, and a guide block is arranged; and
the two sliding seats are arranged on the sliding chute in a sliding manner and are positioned on two opposite sides of the guide block, the two sliding seats are respectively connected with two opposite sides of the guide block in a sliding manner, and each detection assembly is arranged on one side, back to the bottom wall of the sliding chute, of one sliding seat;
the driving assembly drives the guide block to move along the axial direction of the through hole, so that the guide block drives the two sliding seats and the two detection assemblies to mutually approach or separate along the extending direction of the sliding groove.
8. The testing device as claimed in claim 7, wherein each of the sliding seats has a guiding surface on a side facing the guiding block, the guiding block has a guiding surface corresponding to each of the guiding surfaces, and the guiding surface is in sliding contact with the guiding surface.
9. The test device as claimed in claim 8, wherein the spacing between the two guide slopes is gradually increased along a direction from the end of the guide block adjacent to the output shaft of the drive assembly to the end away from the output shaft of the drive assembly;
and/or, one of the guide sliding surface and the guide inclined surface is provided with a sliding protrusion, the other of the guide sliding surface and the guide inclined surface is provided with a sliding groove, and the sliding protrusion is in sliding fit with the sliding groove;
and/or each sliding seat comprises a bottom plate, a supporting column and a limiting plate, the limiting plate and the bottom plate are arranged at two opposite ends of the supporting column, a limiting groove is formed in the side wall of the sliding chute, part of the bottom plate is limited in the limiting groove in a sliding manner, the limiting plate protrudes out of the notch of the sliding chute and is in sliding abutting joint with the supporting seat, and the sliding guide surface is arranged on one side, facing the guide block, of the supporting column;
and/or, the drive assembly is including locating driving piece and drive shaft in the installation cavity, the one end of drive shaft with the driving piece is connected, the other end of drive shaft passes the through-hole stretches into in the spout, the drive shaft is kept away from the one end of driving piece is equipped with the mounting groove, the guide block is located in the mounting groove.
10. The testing device of any one of claims 1-6, further comprising a compression assembly, the compression assembly comprising:
the fixing seat comprises a fixing plate and an installation plate which are arranged at an included angle, the fixing plate is arranged on the machine body, and the installation plate is connected to one end, far away from the machine body, of the fixing plate and is opposite to the positioning jig;
the driving cylinder is arranged on the mounting plate; and
the pressing block is connected to the output shaft of the driving cylinder and arranged corresponding to the positioning groove;
the driving cylinder drives the pressing block to be close to or far away from the positioning jig so as to compress or release the product in the positioning groove.
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