CN110346672A - Testing agency - Google Patents
Testing agency Download PDFInfo
- Publication number
- CN110346672A CN110346672A CN201910767473.7A CN201910767473A CN110346672A CN 110346672 A CN110346672 A CN 110346672A CN 201910767473 A CN201910767473 A CN 201910767473A CN 110346672 A CN110346672 A CN 110346672A
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- China
- Prior art keywords
- location structure
- measured value
- mounting
- testing agency
- knit stitch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000010276 construction Methods 0.000 claims description 32
- 229920001971 elastomer Polymers 0.000 claims description 25
- 239000000806 elastomer Substances 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010068 moulding (rubber) Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005945 translocation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- 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
- G01R31/01—Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass production; Testing objects at points as they pass through a testing station
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The embodiment provides a kind of testing agencies, are related to surface mounting technology field.The testing agency includes replacement mechanism, knit stitch mechanism and measured value needle.Measured value needle is used to carry out measured value to the electronic component on material strip.Replacing mechanism includes mounting structure and location structure, and measured value needle is installed on the side of mounting structure, and location structure is set to the other side of mounting structure, and location structure is detachably connected with knit stitch mechanism.Testing agency provided by the invention can carry out automatic measured value to the electronic component on material strip, guarantee the precision detected for electronic component and stability, while can also pass through the purpose for being detachably connected realization and being easily changed convenient for testing agency of replacement mechanism and knit stitch mechanism.
Description
Technical field
The present invention relates to surface mounting technology fields, in particular to a kind of testing agency.
Background technique
In China, this can be described as development at full speed in several years to SMT (surface mounting technology) industry.And during development
People require constantly to improve to the quality of product, structural framing, and surface mounting technology is to the advance of passive element, surface
Mount components are smaller and smaller.
At this stage the problem of SMT industry is had a headache the most it is exactly that electronic component is more and more, size is smaller and smaller, and
Quality is higher and higher, and this requires factories to want stringent control quality in supplied materials link.At present for major part SMT factory, need
Manually supplied materials is detected, detailed process: take material disc to be measured, tear encapsulation plastic mold, under magnifying glass take out to
It surveys material and is put into particular detection position, then polarity measured value point is found accurately by magnifying glass, hand-held bridge measurement test pencil measured value simultaneously records.
It is detected by manually carrying out electronic component, not only reduces detection efficiency, while will appear people
Detection error caused by work fatigue, increases disqualification rate, in turn results in more cost waste.
Summary of the invention
The purpose of the present invention includes, for example, providing a kind of testing agency, can carry out to the electronic component on material strip
Automatic measured value guarantees the precision detected for electronic component and stability, while can also pass through replacement mechanism and knit stitch mechanism
Be detachably connected the purpose realized and be easily changed convenient for testing agency.
The embodiment of the present invention this can be implemented so that
The embodiment provides a kind of testing agency, the testing agency include replacement mechanism, knit stitch mechanism and
Measured value needle.
The measured value needle is used to carry out measured value to the electronic component on material strip.
The replacement mechanism includes mounting structure and location structure, and the measured value needle is installed on the one of the mounting structure
Side, the location structure are set to the other side of the mounting structure, and the location structure detachably connects with the knit stitch mechanism
It connects.
Selectively, the location structure is convexly equipped in the mounting structure, offered in the knit stitch mechanism with it is described fixed
The compatible locating slot of bit architecture, the location structure protrude into the locating slot and are detachably connected with knit stitch mechanism.
Selectively, the first positioning surface, second positioning of locating slot internal perisporium setting are set on the outside of the location structure
Face, when the location structure protrudes into the locating slot and connect with the knit stitch mechanism, first positioning surface fits in institute
State the second positioning surface.
Selectively, the location structure and the locating slot are taper, and first positioning surface and described second is determined
Plane is tapered surface.
Selectively, it is provided with card holding structure in the knit stitch mechanism, the card holding structure includes fixed block and elastomer block,
The fixed block is fixedly connected on the knit stitch mechanism, and the elastomer block is installed on one end of the fixed block and across described fixed
The inner sidewall of position slot protrudes into the locating slot, and the elastomer block can selectively be held in the location structure, or when described
The location structure is unclamped when location structure is by the external force for being detached from the locating slot.
Selectively, card slot compatible with the elastomer block is offered on the location structure, when the location structure
When connecting with the knit stitch mechanism, the elastomer block protrudes into the card slot and is held in the internal perisporium of the card slot.
Selectively, the mounting structure includes being insulated block and two the first shielding constructions, the number of the measured value needle
Amount is two.
Two first shielding constructions are respectively arranged in opposite two sides on the insulating mounting block, and with form two
Installing zone.
The location structure is installed on the insulating mounting block or the first shielding construction.
Two measured value needles are respectively arranged at two installing zones and are spaced setting.
Selectively, two sides opposite on the mounting structure are opened up respectively there are two the first mounting groove, and two described the
The second mounting groove is offered on the bottom wall of one mounting groove.
Two measured value needles are respectively arranged in two second mounting grooves.
Two first shielding constructions are respectively arranged in two first mounting grooves, and first shielding construction
It fits with the bottom wall of first mounting groove.
Selectively, the mounting structure further includes metal shielding, and the metal shielding is coated on first screen
On the outside of shield structure and insulating mounting block.
Selectively, the mounting structure further includes secondary shielding structure, and the secondary shielding structure setting is in the gold
Belong on the inside of shielding case, and the secondary shielding structure is coated on the outside of first shielding construction and the insulating mounting block.
The beneficial effect of the testing agency of the embodiment of the present invention compared with the existing technology includes, for example:
It is mobile that testing agency provided by the invention can drive mounting structure by knit stitch mechanism, and by mounting structure
Measured value carries out measured value for the electronic component on material strip, is just able to achieve the automatic measured value for electronic component, can guarantee for material
Take the detection accuracy and detection stability of electronic component detection.In addition, can by replacement mechanism and knit stitch mechanism it is removable
It unloads connection and realizes being detachably connected for mounting structure and knit stitch mechanism, and be able to achieve the mesh for being easily changed maintenance for testing agency
, and then improve the convenience for electronic component detection.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of the testing agency provided in the embodiment of the present invention；
Fig. 2 is the configuration schematic diagram of the mounting structure part provided in the embodiment of the present invention.
Icon: 10- testing agency；11- knit stitch mechanism；12- replaces mechanism；13- measured value needle；110- locating slot；111-
Two positioning surfaces；120- mounting hole；130- card holding structure；131- elastomer block；132- fixed block；200- mounting structure；210- insulation
Mounting blocks；The first mounting groove of 211-；The second mounting groove of 212-；The first shielding construction of 220-；230- secondary shielding structure；240- gold
Belong to shielding case；300- location structure；310- card slot；The first positioning surface of 320-.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if there is the side of the instructions such as term " on ", "lower", "inner", "outside"
Position or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the side usually put
Position or positional relationship, are merely for convenience of description of the present invention and simplification of the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, being only used for distinguishing description if there is term " first ", " second " etc., it is not understood to indicate or imply phase
To importance.
It should be noted that in the absence of conflict, the feature in the embodiment of the present invention can be combined with each other.
Referring to Fig. 1, providing a kind of testing agency 10 in the present embodiment, it is used in surface mounting technology to material strip
Electronic component carry out measured value, and then detect material strip on electronic component whether meet the requirements, and then improve surface mount process into
Capable high efficiency.Wherein, which can carry out automatic measured value to the electronic component on material strip, guarantee for electronics member
The precision and stability of part detection, while can be also convenient for by replacing the realization that is detachably connected of mechanism 12 and knit stitch mechanism 11
The purpose that testing agency 10 is easily changed.
It should be noted that wherein material strip refers to, in surface mounting technology (SMT, Surface Mounting
Technology in process flow), for providing the carrier of carrying and translocation to electronic component to be installed.Exist
In the process flow of surface mounting technology, the carrier by material strip as electronic component to be installed is needed to convey electronic component
To specified station, and electronic component is mounted on to by corresponding mechanism the surface of printed circuit board.
Testing agency 10 includes knit stitch mechanism 11, replacement mechanism 12 and measured value needle 13.Wherein, measured value needle 13 is used for material strip
On electronic component carry out measured value, and measured value needle 13 be installed on replacement mechanism 12 on.Replacement mechanism 12 is mounted at
In knit stitch mechanism 11, so that knit stitch mechanism 11 can drive replacement mechanism 12 mobile under the driving effect of driving device, in turn
Measured value needle 13 is driven to specified position by replacement mechanism 12 and measured value is carried out to specified electronic component, and is able to achieve pair
Electronic component carries out the purpose of automatic measured value on material strip.Wherein, by detachable between replacement mechanism 12 and knit stitch mechanism 11
Connection, can be conveniently replaceable mechanism 12 and be dismounted, so be easy to implement replacement mechanism 12 and the whole replacement of measured value needle 13 or
Person's maintenance, is just able to achieve the purpose being easily changed convenient for testing agency 10.
Further, replacement mechanism 12 includes mounting structure 200 and location structure 300, location structure 300 and measured value needle 13
It is mounted on mounting structure 200, to provide carrying effect to measured value needle 13 and location structure 300 by mounting structure 200.It is fixed
Bit architecture 300 is removable between replacement mechanism 12 and knit stitch mechanism 11 to realize for being removably attachable to knit stitch mechanism 11
Unload connection.Optionally, in the present embodiment, measured value needle 13 and location structure 300 protrude from opposite on mounting structure 200 set respectively
Two sides set, and then reciprocal influence between location structure 300 and measured value needle 13 is avoided, measured value needle 13 can be improved to material strip
On electronic component carry out measured value stability and precision.It should be appreciated that in other embodiments, 300 He of location structure
Installation site of the measured value needle 13 on mounting structure 200 can also be different, for example, location structure 300 and measured value needle 13 are installed on
On two sides being disposed adjacent on mounting structure 200 etc..
Optionally, in the present embodiment, location structure 300 is the bulge-structure being convexly equipped on mounting structure 200, also,
Locating slot 110 compatible with location structure 300 is offered in knit stitch mechanism 11, location structure 300 can protrude into locating slot 110
Portion and with knit stitch mechanism 11 realization be detachably connected.It should be appreciated that in other embodiments, location structure 300 is also possible to out
Slot on mounting structure 200 is set to the compatible bulge-structure of location structure 300 in the mechanism of knit stitch at this time 11, and makes
Bulge-structure in knit stitch mechanism 11 and location structure 300 when matching, that realizes knit stitch mechanism 11 and location structure 300 can
Dismantling connection.
Further, card holding structure 130 is additionally provided in knit stitch mechanism 11, card holding structure 130 stretches in locating slot 110
Portion so that when location structure 300 stretches to 110 inside of locating slot, can by card holding structure 130 and location structure 300 it
Between clamping act on so that realize location structure 300 and knit stitch mechanism 11 connection, in addition, location structure 300 by external force simultaneously
When so that location structure 300 having the trend of abjection locating slot 110, card holding structure 130 can unclamp location structure 300, and then make
Locating slot 110 can be deviate under external force by obtaining location structure 300, and then realize that location structure 300 separates knit stitch mechanism 11
Purpose.Wherein, 110 inside of locating slot is protruded by card holding structure 130 and is held in the location structure protruded into inside locating slot 110
300, to realize being stably connected with for location structure 300 and knit stitch mechanism 11.
It should be noted that in other embodiments, the connection between location structure 300 and knit stitch mechanism 11 can also lead to
It crosses other modes to realize, for example, the diameter of location structure 300 is slightly larger than the internal diameter of locating slot 110, location structure can be passed through
300 and the interference fit of locating slot 110 realize being detachably connected for location structure 300 and locating slot 110；Alternatively, location structure
On 300 and locating slot 110 is internally provided with corresponding magnetic force structure, and positioning decoupling stock can be realized by way of magnetic-adsorption
With being detachably connected for knit stitch mechanism 11.
Further, in the present embodiment, the mounting hole 120 for being connected to locating slot 110 is offered in knit stitch mechanism 11, is blocked
It holds structure 130 to be set to 120 inside of mounting hole and protrude into locating slot 110, so that location structure 300 stretches to locating slot
Card holding structure 130 can be made to be held in location structure 300 when 110 inside.Optionally, card holding structure 130 includes 132 He of fixed block
Elastomer block 131, fixed block 132 are installed in mounting hole 120, and elastomer block 131, which is then set to one end of fixed block 132 and passes through, determines
The internal perisporium of position slot 110 protrudes into the inside of locating slot 110.Elastomer block 131 can be held in location structure 300 selectively to realize
The connection of location structure 300 and knit stitch mechanism 11, alternatively, elastomer block 131 can be in location structure 300 by disengaging locating slot 110
External force when unclamp location structure 300, be just able to achieve being detachably connected for location structure 300 and knit stitch mechanism 11.
Further optionally, card slot 310 compatible with elastomer block 131 is offered on location structure 300, works as location structure
300 with knit stitch mechanism 11 when connecting, and elastomer block 131 protrudes into 310 internal perisporium of card slot to realize that elastomer block 131 is fastened in location structure
300 purpose just realizes that location structure 300 and knit stitch mechanism 11 directly connect.Similarly, elastomer block 131 can pass through itself
Elasticity capacity is detached from card slot 310, and convenient for evacuation location structure 300, enables location structure 300 to deviate from locating slot 110, in turn
It realizes separating for location structure 300 and knit stitch mechanism 11, that is, realizes detachably connecting for location structure 300 and knit stitch mechanism 11
It connects.
Wherein, during location structure 300 protrudes into locating slot 110, location structure 300 is pressed in elastomer block 131, and
Under the effect of external force, location structure 300 continues to move to the inside of locating slot 110, so that location structure 300 pushes elasticity
Block 131 occur elastic deformation so that avoid location structure 300, when location structure 300 stretch to the position appropriate of locating slot 110 it
Afterwards, elastomer block 131 is restored to original state by the elastic-restoring force of itself and is stretched to inside card slot 310, will pass through at this time
The connection of location structure 300 and knit stitch mechanism 11 is realized in the mutual cooperation of elastomer block 131 and card slot 310.When needs remove positioning
When structure 300, apply the external force for being detached from locating slot 110 to location structure 300, location structure 300 pushes under the effect of external force
Elastic deformation occurs for elastic component, and elastically-deformable elastomer block 131 occurs and is detached from card slot 310 and avoids location structure 300, positioning knot
Structure 300 just can deviate from locating slot 110.It just can be readily accomplished the replacement of replacement mechanism 12 in the above manner, be able to achieve and be convenient for
Testing agency 10 is easily changed the purpose of maintenance.
It should be appreciated that in other embodiments, the setting of card slot 310 on location structure 300 can also be cancelled, when positioning is tied
When structure 300 protrudes into 110 inside of locating slot, location structure 300 can be held in by the elastic acting force of itself by elastomer block 131
On, and then the frictional force between location structure 300 and elastomer block 131 is improved, just it is able to achieve location structure 300 and knit stitch mechanism 11
Purpose interconnected.Location structure 300 can be made to deviate from locating slot 110 by applying external force to location structure 300 simultaneously, into
And realize being detachably connected for location structure 300 and knit stitch mechanism 11.
It should be noted that the mode of mentioned above " applying external force to location structure 300 " is, by mounting structure
200 apply the mode of external force, and active force can be transferred to location structure 300 by mounting structure 200 in the case where being subject to external force, into
And it is able to achieve the effect for applying external force to location structure 300.
In addition, in the present embodiment, the outside of location structure 300 is provided with the first positioning surface 320, locating slot 110 it is interior
Peripheral wall is provided with the second positioning surface 111, and when location structure 300 protrudes into locating slot 110 and connect with knit stitch mechanism 11, the
One positioning surface 320 fits in the second positioning surface 111.I.e. when the first positioning surface 320 and the second positioning surface 111 fit, explanation
Location structure 300 stretches to the designated position in locating slot 110, can improve the precision of the installation of location structure 300, so that
The position of measured value needle 13 is located at specified position, can be convenient to the control that measured value needle 13 detects electronic component.
Further, optionally, in the present embodiment, location structure 300 and locating slot 110 are tapered, the first positioning
Face 320 and the second positioning surface 111 are tapered surface.That is, in the present embodiment, location structure 300 is to be convexly equipped in mounting structure 200
Centrum, and form the first positioning surface 320 of taper；The internal perisporium of locating slot 110 equally surrounds taper, and forms the of taper
Two positioning surfaces 111.When location structure 300 protrudes into 110 inside of locating slot, the first positioning surface 320 and the second positioning surface can be passed through
Being bonded to each other between 111 realizes that location structure 300 is inserted into the specified position of locating slot 110, can improve the peace of location structure 300
The precision and stability of dress.
It should be appreciated that in other embodiments, the set-up mode of location structure 300 and locating slot 110 can also be different, example
Such as, location structure 300 is set as wedge shape, and locating slot 110 is set as wedge groove compatible with location structure 300, wherein positioning
Inclined-plane in structure 300 is the first positioning surface 320, and the inclined-plane inside locating slot 110 is the second positioning surface 111, can equally be passed through
Being bonded to each other between the first positioning surface 320 and the second positioning surface 111 is realized determines between location structure 300 and locating slot 110
Position effect.
It should be noted that in the present embodiment, location structure 300 and locating slot 110 are cone.It should be appreciated that
In other embodiments, location structure 300 and locating slot 110 can be the taper type being mutually adapted or pyramid etc..
Mounting structure 200 may include being insulated block 210 and two the first shielding constructions 220.Wherein, two the first screens
Shield structure 220 is respectively arranged in two sides for being insulated and being oppositely arranged on block 210, and two the first shielding constructions 220
Installing zone is formed with two sides for being insulated block 210 respectively, i.e., is oppositely arranged there are two settings on insulating mounting block 210
Installing zone (figure is not marked).In the present embodiment, the quantity of measured value needle 13 is two, and two measured value needles 13 are respectively arranged at two peaces
It fills inside area.Wherein, two measured value needles 13 are set to inside two installing zones, i.e., two measured value needles 13 can be by being insulated block
210 are spaced apart, and then are avoided that between measured value needle 13 and short circuit occur.Simultaneously by being respectively provided with the in the outside of two measured value needles 13
One shielding construction 220 can provide shielding action to measured value needle 13 by the first shielding construction 220, and then avoid outer bound pair measured value
Needle 13 causes signal interference, and then guarantees that measured value needle 13 carries out the accuracy of measured value to electronic component.
In the present embodiment, the first shielding construction 220 uses gold-plated copper-based, and the first shielding construction 220 and measured value needle 13 are tight
Contiguity touching can reduce microampere order electric current to measured value needle 13 so that the first shielding construction 220 and measured value needle 13 are able to achieve and conduct
Measured value precision caused by influence, further increase measured value needle 13 to the precision of electronic component measured value.
Further, it please refers to Fig. 1 and Fig. 2, is insulated the opposite side of block 210 and opens up that there are two first respectively
Mounting groove 211 offers the second mounting groove 212 on the bottom wall of two the first mounting grooves 211.Two measured value needles 13 are respectively arranged at
In two the second mounting grooves 212, and measured value needle 13 fits in the bottom wall of the second mounting groove 212.Two the first shielding constructions 220
Decibel is set to inside two the first mounting grooves 211, and the first shielding construction 220 fits in 211 bottom wall of the first mounting groove.It needs
It is noted that in the present embodiment, the thickness of measured value needle 13 is identical as the depth of the second mounting groove 212, so that measured value
Needle 13 is when being placed in the second 212 inside of mounting groove, side of the measured value needle 13 far from 212 bottom wall of the second mounting groove and the second installation
The opening flush of slot 212, i.e. measured value needle 13 are equal with the bottom wall of the first mounting groove 211, when the first shielding construction 220 is installed on
When the first mounting groove 211, the first shielding construction 220 fits with measured value needle 13, and then realizes the first shielding construction 220 and measured value
Needle 13 can be conducted mutually.
In addition, in the present embodiment, the protrusion for installing measured value needle 13 being convexly equipped with inside the second mounting groove 212 and (is schemed not
Mark), it is corresponding, through-hole (figure is not marked) corresponding with protrusion is provided on measured value needle 13, when measured value needle 13 is installed on second
When 212 inside of mounting groove, protrusion is protruded into inside through-hole, to guarantee stabilization that measured value needle 13 is installed on inside the second mounting groove 212
Property.It should be appreciated that protrusion and through-hole can be set to it is multiple, certainly protrusion and through-hole can be set to one.Pass through phase
The setting of matched protrusion and through-hole can guarantee the stability that measured value needle 13 is installed, and then guarantee that measured value needle 13 is carrying out measured value
When can guarantee stabilization that measured value needle 13 contacts with electronic component, the accuracy of measured value can be improved.
Further, in the present embodiment, mounting structure 200 further includes metal shielding 240 and secondary shielding structure
230.Wherein metal shielding 240 is coated on the first shielding construction 220 and is insulated 210 outside of block, and then to measured value needle 13
Shielding action is provided.Wherein, the set-up mode of metal shielding 240 also can be regarded as, and metal shielding 240 surrounds an appearance
Chamber is set, block 210, the first shielding construction 220 and measured value needle 13 is insulated and stretches to inside the accommodating cavity, so that metallic shield
Shell 240 can provide shielding action to measured value needle 13, be avoided that extraneous static or artificial energization etc. interfere measured value needle 13.
Secondary shielding structure 230 is set to 240 inside of metal shielding, and secondary shielding structure 230 is coated on the first shielding construction
220 and be insulated block 210.That is, in the present embodiment, being additionally provided with one layer of secondary shielding in the internal layer of metal shielding 240
Structure 230, and secondary shielding structure 230 equally will entirely be insulated block 210, the first shielding construction 220 and measured value needle 13
Cladding, can be further ensured that the first shielding construction 220 and measured value needle 13 are avoided that the interference of extraneous factor, be further ensured that measured value
The work of 13 normal table of needle.
Optionally, in the present embodiment, secondary shielding structure 230 uses insulated plastic glue film, and insulated plastic rubber moulding coats
In the first shielding construction 220 and it is insulated block 210, metal shielding 240 is then coated on the outside of insulated plastic glue film.
Wherein, pass through the first shielding construction 220, secondary shielding structure 230, metal shielding 240 and insulating mounting block 210
Stable workplace is provided to two measured value needles 13, can guarantee that two measured value needles 13 do not have an impact between each other, while energy
It avoids external interference from impacting measured value needle 13, and then can guarantee the precision and stability of 13 measured value of measured value needle.
It should be appreciated that in other embodiments, secondary shielding structure 230 and/or metal shielding 240 can also be cancelled
Setting.Secondary shielding structure 230 can only be cancelled, alternatively, only cancelling metal shielding 240, or cancel the second screen simultaneously
Shield structure 230 and metal shielding 240.
In conclusion the testing agency 10 provided in the present embodiment can drive mounting structure 200 to move by knit stitch mechanism 11
It is dynamic, and measured value is carried out to the electronic component on material strip by the measured value needle 13 on mounting structure 200, it is just able to achieve for electronics member
The automatic measured value of part can guarantee the detection accuracy detected for electronic component on material strip and detection stability.In addition, can pass through
Replacement mechanism 12 and being detachably connected for knit stitch mechanism 11 realize being detachably connected for mounting structure 200 and knit stitch mechanism 11, and
It is able to achieve the purpose for being easily changed maintenance for testing agency 10, and then improves the convenience for electronic component detection.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of testing agency, which is characterized in that the testing agency includes replacement mechanism, knit stitch mechanism and measured value needle；
The measured value needle is used to carry out measured value to the electronic component on material strip；
The replacement mechanism includes mounting structure and location structure, and the measured value needle is installed on the side of the mounting structure, institute
The other side that location structure is set to the mounting structure is stated, the location structure is detachably connected with the knit stitch mechanism.
2. testing agency according to claim 1, which is characterized in that the location structure is convexly equipped in the mounting structure,
Locating slot compatible with the location structure is offered in the knit stitch mechanism, the location structure protrudes into the locating slot simultaneously
Mechanism is detachably connected with knit stitch.
3. testing agency according to claim 2, which is characterized in that the first positioning surface is set on the outside of the location structure,
The second positioning surface is arranged in the locating slot internal perisporium, when the location structure protrudes into the locating slot and connects with the knit stitch mechanism
When connecing, first positioning surface fits in second positioning surface.
4. testing agency according to claim 3, which is characterized in that the location structure and the locating slot are cone
Shape, first positioning surface and second positioning surface are tapered surface.
5. testing agency according to claim 2, which is characterized in that be provided with card holding structure in the knit stitch mechanism, institute
Stating card holding structure includes fixed block and elastomer block, and the fixed block is fixedly connected on the knit stitch mechanism, the elastomer block installation
In the fixed block one end and pass through the locating slot inner sidewall protrude into the locating slot, the elastomer block can be selectively
It is held in the location structure, or unclamps the positioning knot when the location structure is by the external force for being detached from the locating slot
Structure.
6. testing agency according to claim 5, which is characterized in that offered on the location structure and the elastomer block
Compatible card slot, when the location structure is connect with the knit stitch mechanism, the elastomer block protrudes into the card slot and supports
In the internal perisporium of the card slot.
7. testing agency according to claim 1, which is characterized in that the mounting structure includes being insulated block and two
First shielding construction, the quantity of the measured value needle are two；
Two first shielding constructions are respectively arranged in two sides opposite on the insulating mounting block, and install with forming two
Area；
The location structure is installed on the insulating mounting block or the first shielding construction；
Two measured value needles are respectively arranged at two installing zones and are spaced setting.
8. testing agency according to claim 7, which is characterized in that opposite two sides open up respectively on the mounting structure
There are two the first mounting groove, the second mounting groove is offered on the bottom wall of two first mounting grooves；
Two measured value needles are respectively arranged in two second mounting grooves；
Two first shielding constructions are respectively arranged in two first mounting grooves, and first shielding construction and institute
The bottom wall for stating the first mounting groove fits.
9. testing agency according to claim 7, which is characterized in that the mounting structure further includes metal shielding, institute
Metal shielding is stated to be coated on first shielding construction and be insulated on the outside of block.
10. testing agency according to claim 9, which is characterized in that the mounting structure further includes secondary shielding structure,
The secondary shielding structure setting is on the inside of the metal shielding, and the secondary shielding structure is coated on first screen
On the outside of shield structure and the insulating mounting block.
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| CN201910767473.7A CN110346672A (en) | 2019-08-20 | 2019-08-20 | Testing agency |
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| CN201910767473.7A CN110346672A (en) | 2019-08-20 | 2019-08-20 | Testing agency |
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Family
ID=68180806
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308237A (en) * | 2020-01-16 | 2020-06-19 | 深圳市蓝眼博科科技有限公司 | Survey value needle, survey value needle structure and automatic value measuring machine |
| WO2021142690A1 (en) * | 2020-01-16 | 2021-07-22 | 深圳市蓝眼科技有限公司 | Automatic value measurement machine |
| WO2021142687A1 (en) * | 2020-01-16 | 2021-07-22 | 深圳市蓝眼博科科技有限公司 | Value measurement needle, value measurement needle structure, and automatic value measurement machine |
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