CN207457473U - A kind of Hall product test mechanism - Google Patents

Abstract

The utility model discloses a kind of Hall product test mechanisms, belong to chip testing technology field.The Hall product test mechanism of the utility model presss from both sides including Hall activity, further includes Hall coil, necklace, pedestal and Hall test piece；Hall coil includes I-shaped stent and the enamel-cover coil of wire for being coated on I-shaped stent center section, and I-shaped stent one end is land, is circular groove at land center；It is circular through hole at the center of circular groove；Pedestal is circular ring shape, and in embedded circular groove, Hall test piece is fixed on the upper surface of pedestal；Square hole is provided in the middle part of necklace, square hole ring set is on the top of Hall activity folder；The tail end of Hall activity folder is inserted into circular through hole.Entire mechanism forms positioning and the fixing device of Hall test piece and Hall activity folder.The problem of the utility model is solved in chip testing process, and Hall coil is not sufficiently stable in the magnetic field of test section, the Gauss amount that measures is maximum very big with the difference of minimum.

Description

A kind of Hall product test mechanism

Technical field

The utility model is related to chip testing technology field more particularly to a kind of Hall product test mechanisms.

Background technology

At present, it is necessary to which the finished chip after being encapsulated to cutting carries out further in semiconductor integrated circuit manufacturing process It tests, in test process, Hall coil plays the role of providing magnetic field.Hall device test clip is then for finished product Hall device The fixture that part is tested.During the test, specific practice is to be transferred to hall device by the suction nozzle of die selector In test clip, after being completed, hall device is transferred to subsequent processing by the suction nozzle of die selector again, and the pin of packaging body It is to be symmetrical set, how when test ensures the contact of both sides pin and Hall test piece and prevent that stack is also during test Technical staff's technical problem needed to be considered.

As shown in Fig. 2, former common Hall coil can not generate stable magnetic field in test section, product parameters are in setting In the range of easily jump side, this is because product test when because of loop construction the reason for can only be tested at 3mm above coil, when When adjusting suction nozzle stroke, the product under suction nozzle will move up and down in coil periphery magnetic field, and coil periphery magnetic field is extremely not Stable, the offline nearlyer magnetic field of circle is bigger, therefore the Gauss amount that product measures is maximum very big with the difference of minimum.

Through retrieval, Chinese patent application, application number：201510949562.5 publication date：2016.05.04, one is disclosed Kind Hall Bach magnet shimming coils and its design method, design feature and main field side specific to Hall Bach's magnet To, according to magnetic field structure characteristics on current density function carry out flexible design, then utilize and derive electricity than savart law difficult to understand Relation between current density and main field so as to be finally inversed by CURRENT DISTRIBUTION function, while considers shim coil to power attenuation letter The requirement of the parameters such as number, the linearity, optimizes loop construction.The utility model provides two kinds of structures to Hall Bach's magnet Coil as a result, cut both ways in structure complexity and aspect of performance, can flexibly be made choice according to actual demand.The practicality is new Type theoretical property is strong, during test applied to finished chip, it is also necessary to carry out corresponding data conversion and specific structure design.

Chinese utility model patent application, publication number：CN105931979A, publication date：2016.09.07, one kind is disclosed Rotating down pressing cake core test fixture, including stent, the stent includes the supporting rod of base station and vertical shape with horizontal plane； The open column shape supporting rack that inner wall carries spiral lamination is fixed on the supporting rod；Further include the pushing that outer wall carries spiral lamination Stick；The spiral lamination of support frame as described above inner wall and the spiral lamination of the lower pressure bar outer wall are mutually matched；The lower pressure bar lower end head Place is provided with top testing needle, and the top end point of the lower pressure bar is provided with handle；Chip placement is fixed on told base station Platform, the upper surface of the chip mounting table are provided with chip positioning bar, and chip mounting table is additionally provided with through hole, is fixed in through hole Lower part testing needle.The utility model is suitable for the test of unpackaged chip, and positioning and quick test can be carried out to chip, without Test pin is welded on chip, it is efficient and convenient to chip installing and dismounting, suitable for large batch of test.But the practicality is new The base station of the horizontal plane of type application not can be resized, and can only test the chip of fixed specification, moreover, being only applicable to unencapsulated core The test of piece, versatility are poor.

Utility model content

1. utility model technical problems to be solved

For in finished chip test process in the prior art, Hall coil is not sufficiently stable in the magnetic field of test section, measures Gauss amount maximum very big with the difference of minimum, packaging body test when in test clip left and right offset cause positioning be not allowed and Test completes post package body in testing station and the problem of be transferred to bracket panel easy stack, and the utility model provides a kind of Hall production Product mechanism for testing.It reaches offer and stablizes magnetic by the counterbore of one end ingehious design receiving Hall test piece in Hall coil Moreover, the test clamping opening of the utility model can carry out adaptability adjusting according to the size of packaging body, it is accurate to reach positioning for the purpose of field True purpose after packaging body is carried out positioning adjustment, also solves the problems, such as to be transferred to the easy stack of bracket panel after the completion of test.

2. technical solution

In order to achieve the above objectives, technical solution provided by the utility model is：

A kind of Hall product test mechanism is pressed from both sides including Hall activity, is further included Hall coil, necklace, pedestal and Hall and is surveyed Test piece；The Hall coil includes I-shaped stent and the enamel-cover coil of wire for being coated on I-shaped stent center section, the I-shaped Shape stent one end is land, is circular groove at land center；It, can will be to be measured for circular through hole at the center of the circular groove Product is inserted in circular groove and is detected, and during detection, the external interference being subject to is reduced, and provides stable magnetic field；It is described Pedestal is circular ring shape, and in embedded circular groove, the Hall test piece is fixed on the upper surface of pedestal；It is side among the pedestal The item circle hole of shape, necklace are embedded in item circle hole；Square hole is provided in the middle part of the necklace, the square hole ring set is in Hall The top of activity folder；The tail end of the Hall activity folder is inserted into circular through hole.Entire mechanism forms Hall test piece and suddenly The positioning of your activity folder and fixing device, to ensure that product to be measured has stable test platform in stable magnetic field.

Further technical solution, the depth of the circular groove is not less than pedestal, Hall test piece and product to be measured The sum of thickness to ensure that product to be measured will not be protruded from outside circular groove, and then ensures the stability in test magnetic field；It is described suddenly Your activity folder includes geometrical clamp, activity folder, connecting rod and base station；The rotating dress that the geometrical clamp and activity folder pass through mutual cooperation Connection is put, and passes through the width adjusting that activity folder realizes clamping opening between the two compared with the rotation of geometrical clamp；The bottom of geometrical clamp It is fixed with connecting rod；The underface of the connecting rod is provided with the base station of blind hole, connecting rod and the upper and lower clearance fit of blind hole, and It moves up and down in blind hole, realizes the width adjusting of clamping opening between the two compared with the rotation of geometrical clamp by activity folder, realize Test clamping opening can carry out adaptability adjusting, and then the purpose that packaging body is accurately positioned according to the size of packaging body, will After packaging body carries out positioning adjustment in test clip, stack phenomenon when test is transferred to bracket panel after finishing is also avoided.

Further technical solution in the land, by circular groove opens outward there are two symmetrical fluting, provides The access way of product to be measured；The rotating device is geometrical clamp, sets and matches somebody with somebody respectively on the respective side of activity folder face Close the convex semicolumn set, recessed semicolumn；The activity folder is hung over by recessed semicolumn on the convex semicolumn of geometrical clamp, recessed semicircle Column is rotated by axis of convex semicolumn.

Further technical solution, the both ends of the enamel-cover coil of wire and land contact directly (without gasket), and avoiding need not The magnetic interference factor wanted, the periphery of the enamel-cover coil of wire is exposed, to improve the efficiency in magnetic field；The geometrical clamp is square structure, by Its one side is inside and is provided with anti-" L " shape straight slot downwards；The convex semicolumn is arranged on the lateral wall of anti-" L " shape straight slot, " convex " head is towards inside；The structure that the activity folder is in and anti-" L " the shape straight slot of geometrical clamp is adapted to, lower outside are provided with and convex half The recessed semicolumn of cylindrical fit rotatable connection, the activity gripping finger on activity folder top is upward to stretch out " L " shape straight slot, and and geometrical clamp The fixation gripping finger on top flushes, and clamping opening is formed between two fingers, and this structure design is lived without increasing on the basis of former geometrical clamp Dynamic folder, on the basis of activity is clamped former geometrical clamp increase activity press from both sides, activity is clamped into the inside into former geometrical clamp, whole ruler The very little inside without a bit increasing, overall dimensions do not have a bit increase, to adapt to the limited space of square hole in necklace；The work Inverted "L" shape rotary gap is left between lateral wall and geometrical clamp below the activity gripping finger of dynamic folder, to realize recessed semicolumn with convex Semicolumn is the small angle rotation of axis.

Further technical solution, the Hall test piece include Hall test piece B and 2 Hall test piece A；The base The upper surface of seat is provided with cooperation Hall test piece B and 2 Hall test piece A shapes, the testing piece grooves of size；2 Halls Testing piece A is symmetrical set, and is caught in testing piece groove, can allow Hall test piece B and 2 Hall test piece A limited Excessive space is not take up in space in circular groove, and the displacement of two Hall test pieces can be limited；Hall test piece B also blocks Enter in the testing piece groove of adaptation；The geometrical clamp inside middle sets the mandril cavity volume of vertical direction, and passes straight through to movable folder Bottom stage upper surface；The push rod spring and mandril of mandril cavity volume built-in interconnection from the bottom to top；Mandril is in "convex" shaped, Top is pierced by the upper surface of geometrical clamp, the position among clamping opening, and bottom is the tip-lever support of connecting rod spring；Push rod spring bottom Portion is connected with the bottom stage of activity folder, and push rod spring can act on mandril simultaneously and activity is pressed from both sides, can using a spring It realizes the opening and closure of control activity folder, mandril can also be controlled to ensure that product to be measured will not be stuck in test clip simultaneously, and And in the opening process of activity folder, spring generates activity gripping finger extruding force to the left, determines so as to fulfill to the adjustment of packaging body Position, and then reduce alarm probability of the product in bracket panel.

Further technical solution, the central raised of the Hall test piece A is in 2 card convexs, is card between 2 card convexs Slot；One end of the Hall test piece B is convex in touching after gradually narrowing；4 card convexs that 2 Hall test pieces A is formed and It is opposite to touch convex end, forms the contact jaw of product both sides to be measured pin, precise positioning during facilitating product test to be measured；It is described The left and right side of geometrical clamp sets the /V stage that restricted Hall activity folder moves up；The built-in adjustment screw of the blind hole, is played Prevent the effect of stack in test process.

Further technical solution, the bottom surface of the necklace sets circular embedded boss, and is embedded by embedded boss Enter in circular through hole, form the of short duration fixed mechanism of stable product to be measured, the displacement of product to be measured when preventing from testing；It is described solid Clamp refers to the inclined-plane that the side opposite with activity gripping finger is top opens outward, and angle of inclination is consistent with the shape of packaging body；Even Connecting rod spring is surrounded with around extension bar.

Further technical solution, the bottom of geometrical clamp set through hole, connection plug, through hole are set at the top of the connecting rod It is connected with connection plug for close-fitting；The recessed semicolumn rotate to be clockwise turn 0~1.4 °, it is automatic according to the size of packaging body Rotation angle is adjusted, to adapt to various sizes of packaging body.Hall device test clip each several part is by high diamagnetic stainless steel material Make, prevent ordinary steel once generated under the repeated action of coil magnetic field it is magnetic, can there are deviations to the test of product to be measured.

A kind of assembly method of Hall product test mechanism, step are：

Step 1: the assembling of Hall activity folder：

A, the assembling of geometrical clamp and activity folder：Push rod spring is filled in mandril cavity volume, mandril is filled in tip-lever support；Again will Activity folder is pushed into geometrical clamp by geometrical clamp side；The bottom stage of the bottom abutting activity folder of push rod spring；Activity folder passes through Recessed semicolumn is hung on the convex semicolumn of geometrical clamp, and recessed semicolumn is rotated by axis of convex semicolumn；

B, the assembling of connecting rod：Connecting rod spring is looped around around connecting rod, and the bottom of extension bar spring is embedded in In blind hole；

C, whole assembling：Connection plug is inserted into through hole, forms whole Hall activity folder

D, embedded Hall coil：With the square hole in necklace be sleeved on Hall activity folder top after, by Hall activity clamp into In circular through hole, in the embedded boss insertion circular through hole of necklace；

Step 2: pedestal assembles：After Hall test piece B and 2 Hall test piece A are embedded in respective testing piece groove, It is rotated by 90 °, pedestal is embedded in circular groove, the length direction and fluting for making Hall test piece B and 2 Hall test piece A are in Vertical relation；And pay attention to necklace being embedded in item circle hole.

A kind of test method of Hall product test mechanism, step are：

Step 1: product press-in to be measured：Die selector suction nozzle will be pressed into after the packaging body absorption in the middle part of product to be measured to be justified In the clamping opening of Hall activity folder in connected in star, in process of press in, packaging body is pressed onto mandril first, and push rod spring compresses downwards change Shape, secondly packaging body encounters geometrical clamp again or activity is pressed from both sides, if first encountering geometrical clamp, extruding of the packaging body on geometrical clamp inclined-plane is made Activity folder one side is shifted under, activity folder is rotated clockwise compared with geometrical clamp at this time, and the width of clamping opening gradually increases；If encapsulation Body first encounters movable folder, then packaging body can also be squeezed and shift to geometrical clamp one side by the inclined-plane of activity folder, and packaging body is encountered solid again Clamp one side, at this time activity are pressed from both sides and rotated again, meanwhile, push rod spring acts on the bottom stage of activity folder, i.e. its elastic force acts on In bottom stage, activity gripping finger generates extruding force to the left, is positioned so as to fulfill to packaging body；

In process of press in, the assembly of geometrical clamp and activity folder declines compared with necklace；Due to connecting rod periphery connecting rod The reaction force of spring so that packaging body has just been pressed into clamping opening completely before Hall test piece is touched, and is made With in the process, when the adjustment screw in the blind hole that base station is encountered in the bottom of connecting rod, it is meant that stack, on sorting machine upperpush rod Sensor stack will be reported to warn；Under normal condition, packaging body has been completely forced into during downlink in clamping opening, die selector Formula is remained pressed into product to be measured to fix, until contacting with Hall test piece B and 2 Hall test piece A；

Step 2: the test of product to be measured：The pin contact Hall test piece of product both sides to be measured is tested and recorded；

Step 3: the ejection of product to be measured：After the completion of test, sorting machine suction nozzle rises, and the product to be measured on suction nozzle is true Under empty and mandril upper top effect, product to be measured is ejected, push rod spring return, at the same the bottom stage of activity folder is applied to Under elastic force, the folder that innervates resets, and the width of clamping opening recovers original width；Assembly is upward under the action of connecting rod spring Operation stops uplink to /V stage and the contact of necklace bottom；Sorting machine suction nozzle carries out transferred product to be measured to bracket panel next The processing of step；

Step 4: repeating step 1 to three, other product to be measured is tested.

3. advantageous effect

Using technical solution provided by the utility model, compared with prior art, have the advantages that：

(1) a kind of Hall product test mechanism of the utility model, product to be measured can be inserted in circular groove carry out Detection, during detection, the external interference being subject to is greatly decreased, and provides stable magnetic field；And pass through activity folder compared with fixation The width adjusting of clamping opening between the two is realized in the rotation of folder, and realizing test clamping opening can carry out according to the size of transistor packaging body Adaptability is adjusted, and then the purpose that transistor packaging body is accurately positioned；

(2) a kind of Hall product test mechanism of the utility model, depth combination pedestal, the Hall test piece of circular groove It is designed with the thickness of product to be measured, can guarantee that product to be measured will not be protruded from outside circular groove, and then ensure test magnetic field Stability；Moreover, because the overall dimensions of transistor packaging body are smaller (units grade), without realizing big width tune Section, it is therefore, recessed as long as retaining the width adjusting that required clamping opening can be realized in narrow and small gap between geometrical clamp and activity folder Semicolumn can realize the fine adjustment of the width of clamping opening using convex semicolumn as the rotation of axis low-angle；

(3) a kind of Hall product test mechanism of the utility model, two symmetrical flutings of external-open, provides to be measured The access way of product limits its running orbit, and reduces suction nozzle heave amplitude upper and lower in limited operating space, into And improve production efficiency；Activity is clamped into the inside into former geometrical clamp, overall dimensions do not have a bit increase, to adapt to necklace Narrow space；Gap is L-shaped between activity folder and geometrical clamp, realizes low-angle of the recessed semicolumn using convex semicolumn as axis Rotation；

(4) a kind of Hall product test mechanism of the utility model, the enamel-cover coil of wire are without additional protective device, i.e., favourable In the original efficiency for keeping magnetic field, unnecessary interference is in turn avoided；

(5) a kind of Hall product test mechanism of the utility model, pedestal and necklace are respectively as Hall test piece and suddenly The positioning of your activity folder and fixing device, to ensure that product to be measured has stable test platform in stable magnetic field；Moreover, item Circle limits the activity space of activity folder and geometrical clamp, and prevents the two from offset caused by dislocation occur

(6) a kind of Hall product test mechanism of the utility model, Hall test piece A, B of adaptation and the groove of pedestal, Hall test piece B and 2 Hall test piece A can be allowed to be not take up excessive space in the space in limited circular groove, And the displacement of two Hall test pieces can be limited；Push rod spring in geometrical clamp built in mandril cavity volume can act on simultaneously mandril and Activity folder can realize the opening and closure of control activity folder using a spring, and mandril can also be controlled to ensure that SOT is produced simultaneously Product will not be stuck in test clip, moreover, in the opening process of activity folder, spring generates activity gripping finger extruding force to the left, from And realize and the adjustment of packaging body is positioned, and then the probability of stack alarm when reducing transferred product to bracket panel；

(7) the Hall product test mechanism of the utility model, 4 card convexs are opposite with convex end is touched, and form product to be measured The contact jaw of both sides pin, precise positioning when can facilitate product test to be measured；/V stage can limit and can coordinate adjustment Screw adjusts the geometrical clamp distance up and down in necklace with the assembly of activity folder；Adjustment screw can also play and prevent from testing The effect of stack in the process；

(8) the Hall product test mechanism of the utility model embeds the setting of boss and square hole, forms what is stablized during test The of short duration fixed mechanism of product to be measured, the displacement of product to be measured when preventing from testing；Fixed gripping finger and the inclination of activity gripping finger side Angle is consistent with the shape of packaging body, ensure that buffer-type is pressed into when transistor packaging body is pressed into clamping opening, avoids packaging body and folder The contact really up to the mark of mouthful plane and mutually damage, and further ensure the stability after press-in；Connecting rod spring then plays rush The effect to automatically reset into test clip；

(9) the Hall product test mechanism of the utility model, mandril can coordinate sorting machine suction nozzle to eject product to be measured, The superposition of product when avoiding testing；Purpose using high diamagnetic stainless steel be in order to prevent ordinary steel once in the anti-of coil magnetic field Multiple effect is lower generate it is magnetic, can there are deviations to the test of Hall product；Moreover, in order to realize the combination of geometrical clamp and activity folder Body is carried out in scope narrow 4.0 × 1.4mm of necklace and moved up and down, it is necessary to which the convex semicircle post design of the coupling of geometrical clamp exists In the belly of geometrical clamp, the recessed semicolumn of coupling of activity folder certainly will be also mounted in the belly of geometrical clamp, can realize geometrical clamp and The action that the assembly of activity folder is run up and down；When packaging body is pressed downwardly onto mandril, mandril holds out against spring, spring compression activity folder Recessed semicolumn bottom stage so that activity folder squeeze geometrical clamp to the left, so as to fulfill clamping packaging body purpose, activity folder Rotation angle is determined by the gap between activity folder and geometrical clamp, realize in narrow space using the implementation of spring Two functions not only control mandril, but also the purpose of the rotation of control activity folder；

(10) test method of the Hall product test mechanism of the utility model employs the Hall coil of self-mutilation behavior Afterwards, the parameter measured is extremely stable, repair adjustment nozzle height (contact due to caused by adjustment) after do not interfere with survey The Gauss value obtained, improves product quality, reduces adjusting machine time, improve efficiency；Unilateral activity folder action, which makes up, to be treated Product size caused left and right offset of different sizes is surveyed, so as to reduce stack probability of the product in bracket panel, while has installed mandril additional, To prevent product card in clamping opening, achieve the purpose that automatic anti-stack；Both two products had been prevented not reported in the stack of test clip Alert hidden danger, and reduce stack risk of the product in bracket panel.

Description of the drawings

Fig. 1 is the Hall product test mechanism structure schematic diagram of the utility model；

Fig. 2 is the Hall product test mechanism structure schematic diagram of the prior art；

Fig. 3 is the pedestal in the utility model and the top view after the assembling of Hall test piece；

Fig. 4 is the top view of pedestal in the utility model；

Fig. 5 is the side view of pedestal in the utility model；

Fig. 6 is the structure diagram of Hall test piece A in the utility model；

Fig. 7 is the structure diagram of Hall test piece B in the utility model；

Fig. 8 is the structure diagram of necklace in the utility model；

Fig. 9 is the side view of necklace in the utility model；

Figure 10 is the side view of I-shaped stent in the utility model；

Figure 11 is the top view of I-shaped stent in the utility model；

Figure 12 is the stereogram of I-shaped stent in the utility model；

Figure 13 is the structure diagram of product to be measured in the utility model；

Figure 14 is the side view of product to be measured in the utility model；

Figure 15 is that Hall activity folds up big rear structure diagram in the utility model；

Figure 16 is structure diagram after geometrical clamp amplification in the utility model；

Figure 17 is top view after base station amplification in the utility model

Figure 18 is the amplified structure diagram of hall device test clip of the prior art.

In figure：1st, Hall coil；2nd, necklace；3rd, pedestal；4th, Hall test piece A；5th, Hall test piece B；6th, Hall activity Folder；8th, product to be measured；11st, the enamel-cover coil of wire；12nd, I-shaped stent；21st, boss is embedded；22nd, square hole；31st, testing piece groove；32、 Item circle hole；41st, card convex；42nd, card slot；51st, touch convex；61st, geometrical clamp；62nd, activity folder；64th, mandril；65th, connecting rod；66、 Adjust screw；81st, pin；82nd, packaging body；121st, land；122nd, slot；123rd, circular through hole；124th, circular groove；610、 Base station；611st, fixed gripping finger；612nd, convex semicolumn；614th, /V stage；615th, mandril cavity volume；617th, through hole；621st, activity folder Refer to；622nd, recessed semicolumn；641st, tip-lever support；642nd, push rod spring；651st, connection plug；652nd, connecting rod spring；6101st, it is blind Hole；6111st, clamping opening；6112nd, rotary gap.

Specific embodiment

To further appreciate that the content of the utility model, the utility model is described in detail with reference to attached drawing.

Embodiment 1

The Hall product test mechanism of the present embodiment, as shown in Figure 1, being surveyed including Hall coil 1, necklace 2, pedestal 3, Hall Test piece and Hall test folder；The Hall coil 1 includes I-shaped stent 12 and is coated on I-shaped 12 center section of stent The enamel-cover coil of wire 11, described I-shaped 12 one end of stent are land 121, are circular groove 124 at 121 center of land；The circle For circular through hole 123 at the center of groove 124, product 8 to be measured can be inserted in circular groove 124 and be detected, during detection, by The external interference arrived is reduced, and provides stable magnetic field；The pedestal 3 is circular ring shape, described in embedded circular groove 124 Hall test piece is fixed on the upper surface of pedestal 3；As shown in figure 4, it is square item circle hole 32, item among the pedestal 3 In 2 insertion item circle hole 32 of circle；As shown in figure 8,2 middle part of necklace is provided with square hole 22,22 ring set of square hole is suddenly The top of your test clip；The tail end of the Hall test folder is inserted into circular through hole 123.As shown in Figure 18, the present embodiment The opening size of the clamping opening 6111 of Hall test folder is fixed, and material is using brass, and size is extremely small, about 2.55mm, slightly larger than the size of packaging body 82, as shown in Figure 13,14, the specification of product 8 to be measured is： 1.60*3.0*1.10mm.

Entire mechanism forms positioning and the fixing device of Hall test piece and Hall activity folder 6, to ensure that product 8 to be measured exists There is stable test platform in stable magnetic field.

Since design space is narrow and small, increase activity folder is almost unlikely that on the basis of former geometrical clamp.And crystal The length of pipe packaging body causes its length inconsistent due to the limitation of manufacturing technology level, therefore the test clip of original equipment design Be by transistor encapsulation body length full-size design, Hall test press from both sides clamping opening 6111 opening size be it is fixed, this Sample resulted in transistor packaging body product size it is slightly smaller when, packaging body occurs that offset can be controlled in test clip, so as to position It is inaccurate, the consequence of stack when causing transferred product to bracket panel.

Embodiment 2

The Hall product test mechanism of the present embodiment, basic structure are different and the improvement is that with embodiment 1：Hall Test clip is improved to Hall activity folder 6；The depth of circular groove 124 is not less than pedestal 3, Hall test piece and product to be measured 8 The sum of thickness to ensure that product 8 to be measured will not be protruded from outside circular groove 124, and then ensures the stability in test magnetic field；Such as Figure 15, shown in 16, Hall activity folder 6 includes geometrical clamp 61, activity folder 62, connecting rod 65 and base station 610；The geometrical clamp 61 It is connected with activity folder 62 by the rotating device of mutual cooperation, and passes through activity folder 62 and realize two compared with the rotation of geometrical clamp 61 The width adjusting of clamping opening 6111 between person；The bottom of geometrical clamp 61 is fixed with connecting rod 65；The underface of the connecting rod 65, if It is equipped with the base station 610 of blind hole 6101, connecting rod 65 and blind hole clearance fit about 6101, and move up and down in blind hole 6101, The width adjusting of clamping opening 6111 between the two is realized compared with the rotation of geometrical clamp 61 by activity folder 62, realizes test clamping opening 6111 can carry out adaptability adjusting according to the size of packaging body 82, and then packaging body is accurately positioned to 82 purpose, will seal After dress body 82 carries out positioning adjustment in test clip, stack phenomenon when test is transferred to bracket panel after finishing is also avoided, so as to Solves the technical issues of embodiment 1.

Embodiment 3

The Hall product test mechanism of the present embodiment, basic structure are different and the improvement is that with embodiment 2：Such as figure 10th, shown in 11,12, in land 121, by 124 opens outward of circular groove there are two symmetrical fluting 122, provide to be measured The access way of product 8；The rotating device is geometrical clamp 61, sets and coordinates respectively on the respective side of activity 62 faces of folder Convex semicolumn 612, the recessed semicolumn 622 set；The activity folder 62 hangs over the convex semicircle of geometrical clamp 61 by recessed semicolumn 622 On column 612, recessed semicolumn 622 is rotated with convex semicolumn 612 for axis.

Embodiment 4

The Hall product test mechanism of the present embodiment, basic structure are different and the improvement is that with embodiment 3：It is described The both ends of the enamel-cover coil of wire 11 and land 121 are contacted directly without gasket, avoid unnecessary magnetic interference factor, the enamel-cover coil of wire 11 Periphery it is exposed, to improve the efficiency in magnetic field；The geometrical clamp 61 is square structure, is provided with inwardly and downwards anti-by its one side " L " shape straight slot；The convex semicolumn 612 is arranged on the lateral wall of anti-" L " shape straight slot, and " convex " head is towards inside；The work The structure that dynamic folder 62 is in and anti-" L " the shape straight slot of geometrical clamp 61 is adapted to, lower outside is provided with coordinates rotation to connect with convex semicolumn 612 The recessed semicolumn 622 connect, activity folder 62 tops activity gripping finger 621 it is upward stretch out " L " shape straight slot, and on geometrical clamp 61 The fixation gripping finger 611 in portion flushes, and clamping opening 6111, this structure design, without on the basis of former geometrical clamp 61 are formed between two fingers Upper increase activity folder 62, it is by increase activity folder 62 on the basis of the former geometrical clamp 61 of 62 insertion of activity folder, 62 insertion of activity folder is former The inside of geometrical clamp, overall dimensions do not have the inside of a bit increasing, and overall dimensions do not have a bit increase, to adapt to side in necklace The limited space in hole 22；The activity gripping finger of the activity folder 62 leaves inverted "L" shape between the lateral wall and geometrical clamp 61 below 621 Rotary gap 6112, to realize small angle rotation of the recessed semicolumn 622 with convex semicolumn 612 for axis.

Embodiment 5

The Hall product test mechanism of the present embodiment, basic structure are different and the improvement is that with embodiment 4：Such as figure 3rd, shown in 5,6,7, Hall test piece includes Hall test piece B5 and 2 Hall test piece A4；The upper surface of the pedestal 3 is set It is equipped with cooperation Hall test piece B5 and 2 Hall test piece A4 shapes, the testing piece grooves 31 of size；2 Hall test piece A4 It is symmetrical set, is caught in testing piece groove 31, Hall test piece B5 and 2 Hall test piece A4 can be allowed in limited circle Excessive space is not take up in space in groove, and the displacement of two Hall test pieces can be limited；Hall test piece B5 is also caught in In the testing piece groove 31 of adaptation；61 inside middle of geometrical clamp sets the mandril cavity volume 615 of vertical direction, and passes straight through to work The bottom stage upper surface of dynamic folder 62；The push rod spring 642 and mandril 64 of the built-in interconnection from the bottom to top of mandril cavity volume 615； Mandril 64 is in "convex" shaped, and top is pierced by the upper surface of geometrical clamp 61, and the position among clamping opening 6111, bottom is connecting rod The tip-lever support 641 of spring 652；642 bottom of push rod spring is connected with the bottom stage of activity folder 62, and push rod spring 642 can be same When act on mandril 64 and activity folder 62, the opening and closure of control activity folder can be realized using a spring, can also be same When control mandril ensure that product 8 to be measured will not be stuck in test clip, moreover, activity folder 62 opening process in, spring is to activity Gripping finger 621 generates extruding force to the left, is positioned so as to fulfill to the adjustment of packaging body 82, and then reduces report of the product in bracket panel Alert probability.

The assembly method of the Hall product test mechanism of the present embodiment, step are：

Step 1: the assembling of Hall activity folder：

A, the assembling of geometrical clamp and activity folder：Push rod spring 642 is filled in mandril cavity volume 615, mandril 64 fills in mandril In seat 641；Activity folder 62 is pushed into geometrical clamp 61 by 61 side of geometrical clamp again；The bottom abutting activity folder of push rod spring 642 62 bottom stage；Activity folder 62 is hung over by recessed semicolumn 622 on the convex semicolumn 612 of geometrical clamp 61, recessed semicolumn 622 It is rotated with convex semicolumn 612 for axis；

B, the assembling of connecting rod：Connecting rod spring 652 is looped around around connecting rod 65, and by extension bar spring 652 In bottom insertion blind hole 6101；

C, whole assembling：Connection plug 651 is inserted into through hole 617, forms whole Hall activity folder 6

D, embedded Hall coil：After the top of Hall activity folder 6 is sleeved on the square hole 22 in necklace 2, by Hall activity folder 6 In embedded circular through hole 123；

Step 2: pedestal assembles：Hall test piece B5 and 2 Hall test piece A4 are embedded in respective testing piece groove 31 Afterwards, it is rotated by 90 °, pedestal 3 is embedded in circular groove 124, makes the length direction of Hall test piece B5 and 2 Hall test piece A4 With 122 perpendicular relations of fluting；And pay attention to necklace 2 being embedded in item circle hole 32.

The test method of the Hall product test mechanism of the present embodiment, step are：

Step 1: product press-in to be measured：Die selector suction nozzle is pressed into after the packaging body 82 at 8 middle part of product to be measured is adsorbed In the clamping opening 6111 of Hall activity folder 6 in circular groove 124, in process of press in, packaging body 82 is pressed onto mandril 64, mandril first 642 downward compressive deformation of spring, secondly packaging body 82 encounters geometrical clamp 61 again or activity presss from both sides 62, if first encountering geometrical clamp 61, Packaging body 82 shifts to 62 one sides of activity folder under the squeezing action on 61 inclined-plane of geometrical clamp, and activity folder 2 is compared with geometrical clamp 61 at this time It rotates clockwise, the width of clamping opening 6111 gradually increases；If packaging body 82 first encounters activity folder 62, the inclined-plane of activity folder 62 The extruding of packaging body 82 can be shifted to 61 one side of geometrical clamp, packaging body 82 encounters 61 one side of geometrical clamp again, and activity at this time presss from both sides 62 again Secondary rotation, meanwhile, push rod spring 642 acts on the bottom stage of activity folder 62, i.e. its elastic force acts on bottom stage, activity folder Refer to the extruding force of 621 generations to the left, positioned so as to fulfill to packaging body 82；

In process of press in, the assembly of geometrical clamp 61 and activity folder 62 declines compared with necklace 3；Due to 65 periphery of connecting rod The reaction force of connecting rod spring 652 so that packaging body 82 has just been pressed into completely before Hall test piece is touched In clamping opening 6111, under normal condition, packaging body 82 has been completely forced into during downlink in clamping opening 6111, die selector pair Product 8 to be measured remains pressed into formula and fixes, until being contacted with Hall test piece；

Step 2: the test of product to be measured：The pin 81 of 8 both sides of product to be measured contacts Hall test piece and is tested and remembered It records (bottom of Hall test piece is leaded to show data over the display)；

Step 3: the ejection of product to be measured：After the completion of test, sorting machine suction nozzle rises, and the product to be measured 8 on suction nozzle is true Under empty and mandril 64 upper top effect, product 8 to be measured is ejected, 642 return of push rod spring, while to the bottom rank of activity folder 62 Platform applies downward elastic force, and the folder 62 that innervates resets, and the width of clamping opening 6111 recovers original width；Assembly is in connecting rod bullet It is run up under the action of spring 652 to /V stage 614 and the contact of 2 bottom of necklace and stops uplink；Sorting machine suction nozzle will be to be measured Product 8 is transferred to the processing that bracket panel carries out next step；

Step 4: repeating step 1 to three, other product to be measured 8 is tested.

Embodiment 6

The Hall product test mechanism of the present embodiment, basic structure are different and the improvement is that with embodiment 5：Hall The central raised of testing piece A4 is in for card slot 42 between 2 card convexs, 41,2 card convexs 41；One end of the Hall test piece B5 is in Convex 51 are touched after gradually narrowing；4 card convexs 41 that 2 Hall test pieces A4 is formed are opposite with the end for touching convex 51, formed The contact jaw of 8 both sides pin 81 of product to be measured, precise positioning during product 8 to be measured being facilitated to test；The left and right of the geometrical clamp 61 Side sets the /V stage 614 that restricted Hall activity folder 6 moves up；As shown in figure 17, the built-in adjustment spiral shell of the blind hole 6101 Silk 66, plays the effect for preventing stack in test process.

Embodiment 7

The Hall product test mechanism of the present embodiment, basic structure are different and the improvement is that with embodiment 6：Such as Fig. 9 Shown, the bottom surface of necklace 2 sets circular embedded boss 21, and is embedded in by embedded boss 21 in circular through hole 123, is formed The of short duration fixed mechanism of stable product to be measured 8, the displacement of product 8 to be measured when preventing from testing；The fixed gripping finger 611 and activity The opposite side of gripping finger 621 is the inclined-plane of top opens outward, and angle of inclination is consistent with the shape of packaging body 82；Connecting rod 65 Around be surrounded with connecting rod spring 652.

124 groove depth 4.0mm of circular groove, specification are Φ 25.0*4.0mm, and 3 specification of pedestal is Φ 24.9*2.7mm, is tested The thickness of piece groove 31 groove depth 0.2mm, Hall test piece B5 and 2 Hall test piece A4 are 0.2mm, and product 8 to be measured is such as The thickness of product to be measured is 1.1mm, then pedestal 3, the sum of thickness of Hall test piece and product to be measured is in testing piece groove 31 3.8mm ﹤ 4.0mm.Item circle hole 32 is square, and length of side 10.0mm is consistent with the shapes and sizes of necklace 2, in necklace 2 22 specification of square hole is consistent with the top specification of Hall activity folder 6 for 1.4*4.0mm.

The assembly method of the Hall product test mechanism of the present embodiment, step are：

Step 1: the assembling of Hall activity folder：

A, the assembling of geometrical clamp and activity folder：Push rod spring 642 is filled in mandril cavity volume 615, mandril 64 fills in mandril In seat 641；Activity folder 62 is pushed into geometrical clamp 61 by 61 side of geometrical clamp again；The bottom abutting activity folder of push rod spring 642 62 bottom stage；Activity folder 62 is hung over by recessed semicolumn 622 on the convex semicolumn 612 of geometrical clamp 61, recessed semicolumn 622 It is rotated with convex semicolumn 612 for axis；

B, the assembling of connecting rod：Connecting rod spring 652 is looped around around connecting rod 65, and by extension bar spring 652 In bottom insertion blind hole 6101；

C, whole assembling：Connection plug 651 is inserted into through hole 617, forms whole Hall activity folder 6

D, embedded Hall coil：After the top of Hall activity folder 6 is sleeved on the square hole 22 in necklace 2, by Hall activity folder 6 In embedded circular through hole 123, the embedded boss 21 of necklace 2 is embedded in circular through hole 123；

Step 2: pedestal assembles：Hall test piece B5 and 2 Hall test piece A4 are embedded in respective testing piece groove 31 Afterwards, it is rotated by 90 °, pedestal 3 is embedded in circular groove 124, makes the length direction of Hall test piece B5 and 2 Hall test piece A4 With 122 perpendicular relations of fluting；And pay attention to necklace 2 being embedded in item circle hole 32.

The test method of the Hall product test mechanism of the present embodiment, step are：

Step 1: product press-in to be measured：Die selector suction nozzle is pressed into after the packaging body 82 at 8 middle part of product to be measured is adsorbed In the clamping opening 6111 of Hall activity folder 6 in circular groove 124, in process of press in, packaging body 82 is pressed onto mandril 64, mandril first 642 downward compressive deformation of spring, secondly packaging body 82 encounters geometrical clamp 61 again or activity presss from both sides 62, if first encountering geometrical clamp 61, Packaging body 82 shifts to 62 one sides of activity folder under the squeezing action on 61 inclined-plane of geometrical clamp, and activity folder 2 is compared with geometrical clamp 61 at this time It rotates clockwise, the width of clamping opening 6111 gradually increases；If packaging body 82 first encounters activity folder 62, the inclined-plane of activity folder 62 The extruding of packaging body 82 can be shifted to 61 one side of geometrical clamp, packaging body 82 encounters 61 one side of geometrical clamp again, and activity at this time presss from both sides 62 again Secondary rotation, meanwhile, push rod spring 642 acts on the bottom stage of activity folder 62, i.e. its elastic force acts on bottom stage, activity folder Refer to the extruding force of 621 generations to the left, positioned so as to fulfill to packaging body 82；

In process of press in, the assembly of geometrical clamp 61 and activity folder 62 declines compared with necklace 3；Due to 65 periphery of connecting rod The reaction force of connecting rod spring 652 so that packaging body 82 has just been pressed into completely before Hall test piece is touched In clamping opening 6111, in use, when the adjustment screw 66 in the blind hole 6101 that base station 610 is encountered in the bottom of connecting rod 65 When, it is meant that stack, the sensor on sorting machine upperpush rod will report stack to warn；Under normal condition, packaging body 82 is in downlink mistake Be completely forced into journey in clamping opening 6111, die selector remains pressed into formula to product 8 to be measured and fixes, until with Hall test piece B5 and 2 Hall test piece A4 contact；

Step 2: the test of product to be measured：The pin 81 of 8 both sides of product to be measured contacts Hall test piece and is tested and remembered Record；

Step 3: the ejection of product to be measured：After the completion of test, sorting machine suction nozzle rises, and the product to be measured 8 on suction nozzle is true Under empty and mandril 64 upper top effect, product 8 to be measured is ejected, 642 return of push rod spring, while to the bottom rank of activity folder 62 Platform applies downward elastic force, and the folder 62 that innervates resets, and the width of clamping opening 6111 recovers original width；Assembly is in connecting rod bullet It is run up under the action of spring 652 to /V stage 614 and the contact of 2 bottom of necklace and stops uplink；Sorting machine suction nozzle will be to be measured Product 8 is transferred to the processing that bracket panel carries out next step；

Step 4: repeating step 1 to three, other product to be measured 8 is tested.

Embodiment 8

The Hall product test mechanism of the present embodiment, basic structure are different and the improvement is that with embodiment 7：It is fixed The bottom of folder 61 sets through hole 617, and 65 top of connecting rod sets connection plug 651, and through hole 617 and connection plug 651 are Close-fitting connects；Rotating to be for the recessed semicolumn 622 turns 0~1.4 ° clockwise, is revolved according to the size adjust automatically of packaging body 82 Gyration, to adapt to various sizes of packaging body 82.6 each several part of hall device test clip is by high diamagnetic stainless steel material system Make, prevent ordinary steel once generated under the repeated action of coil magnetic field it is magnetic, can there are deviations to the test of product 8 to be measured.

Schematically the utility model and embodiments thereof are described above, this describes no restricted, attached drawing Shown in be also the utility model one of embodiment, actual structure is not limited thereto.So if this field Those of ordinary skill enlightened by it, without departing from the spirit of the invention, not inventively design with should The similar frame mode of technical solution and embodiment, all should belong to the protection range of the utility model.

Claims (8)

1. a kind of Hall product test mechanism is pressed from both sides including Hall activity（6）, which is characterized in that further include Hall coil（1）, item Circle（2）, pedestal（3）With Hall test piece；The Hall coil（1）Including I-shaped stent（12）And it is coated on I-shaped stent （12）The enamel-cover coil of wire of center section（11）, the I-shaped stent（12）One end is land（121）, land（121）At center For circular groove（124）；The circular groove（124）Center at be circular through hole（123）；

The pedestal（3）For circular ring shape, embedded circular groove（124）Interior, the Hall test piece is fixed on pedestal（3）Upper table Face；The pedestal（3）Centre is square item circle hole（32）, necklace（2）Embedded item circle hole（32）It is interior；The necklace （2）Middle part is provided with square hole（22）, the square hole（22）Ring set is pressed from both sides in Hall activity（6）Top；The Hall activity folder（6） Tail end be inserted into circular through hole（123）It is interior.

2. Hall product test mechanism according to claim 1, it is characterised in that：The circular groove（124）Depth Not less than pedestal（3）, Hall test piece and product to be measured（8）The sum of thickness；The Hall activity folder（6）Including geometrical clamp （61）, activity folder（62）, connecting rod（65）And base station（610）；The geometrical clamp（61）It is pressed from both sides with activity（62）Pass through mutual cooperation Rotating device connection, and pass through movable folder（62）Compared with geometrical clamp（61）Rotation realize clamping opening between the two（6111）'s Width adjusting；Geometrical clamp（61）Bottom be fixed with connecting rod（65）；The connecting rod（65）Underface, be provided with blind hole （6101）Base station（610）, connecting rod（65）And blind hole（6101）Upper and lower clearance fit, and in blind hole（6101）Interior fortune up and down It is dynamic.

3. Hall product test mechanism according to claim 2, it is characterised in that：

The land（121）On, by circular groove（124）There are two symmetrical flutings for opens outward（122）；

The rotating device is geometrical clamp（61）, activity folder（62）It sets and is equipped with respectively on the respective side of face and is convex Semicolumn（612）, recessed semicolumn（622）；The activity folder（62）Pass through recessed semicolumn（622）Hang over geometrical clamp（61）Convex half Cylinder（612）On, recessed semicolumn（622）With convex semicolumn（612）It is rotated for axis.

4. Hall product test mechanism according to claim 3, it is characterised in that：

The enamel-cover coil of wire（11）Both ends and land（121）It contacts directly, the enamel-cover coil of wire（11）Periphery it is exposed；

The geometrical clamp（61）Be square structure, and anti-" L " shape straight slot is provided with inwardly and downwards by its one side；The convex semicolumn （612）It is arranged on the lateral wall of anti-" L " shape straight slot, " convex " head is towards inside；The activity folder（62）It is in and geometrical clamp （61）Anti- " L " shape straight slot adaptation structure, lower outside is provided with and convex semicolumn（612）Coordinate the recessed semicolumn of rotatable connection （622）, activity folder（62）The activity gripping finger on top（621）Upward stretching " L " shape straight slot, and and geometrical clamp（61）Top is consolidated Clamp refers to（611）It flushes, clamping opening is formed between two fingers（6111）；The activity folder（62）Activity gripping finger（621）Following is outer Side wall and geometrical clamp（61）Between leave inverted "L" shape rotary gap（6112）.

5. Hall product test mechanism according to claim 4, it is characterised in that：

The Hall test piece includes Hall test piece B（5）With 2 Hall test piece A（4）；The pedestal（3）Upper surface set It is equipped with cooperation Hall test piece B（5）With 2 Hall test piece A（4）The testing piece groove of shape, size（31）；2 Halls are surveyed Test piece A（4）It is symmetrical set, is caught in testing piece groove（31）It is interior；Hall test piece B（5）Also it is caught in the testing piece groove of adaptation （31）It is interior；

The geometrical clamp（61）Inside middle sets the mandril cavity volume of vertical direction（615）, and pass straight through to movable folder（62）Bottom Portion stage upper surface；Mandril cavity volume（615）The push rod spring of built-in interconnection from the bottom to top（642）And mandril（64）；Mandril （64）In "convex" shaped, top is pierced by geometrical clamp（61）Upper surface, close to clamping opening（6111）Intermediate position, bottom are connection Bar spring（652）Tip-lever support（641）；Push rod spring（642）Bottom and activity are pressed from both sides（62）Bottom stage be connected.

6. Hall product test mechanism according to claim 5, it is characterised in that：

The Hall test piece A（4）It is central raised be in 2 card convexs（41）, 2 card convexs（41）Between be card slot（42）；It is described Hall test piece B（5）One end in gradually narrow after touch it is convex（51）；2 Hall test pieces A（4）4 card convexs formed （41）It is convex with touching（51）End it is opposite, form product to be measured（8）Both sides pin（81）Contact jaw；

The geometrical clamp（61）Left and right side restricted Hall activity folder is set（6）The /V stage moved up（614）；It is described blind Hole（6101）Built-in adjustment screw（66）.

7. Hall product test mechanism according to claim 6, it is characterised in that：

The necklace（2）Bottom surface circular embedded boss is set（21）, and by embedding boss（21）It is embedded in circular through hole （123）It is interior；

The fixed gripping finger（611）With activity gripping finger（621）Opposite side is the inclined-plane of top opens outward, angle of inclination and Packaging body（82）Shape it is consistent；Connecting rod（65）Around be surrounded with connecting rod spring（652）.

8. Hall product test mechanism according to claim 7, it is characterised in that：The geometrical clamp（61）Bottom set Through hole（617）, the connecting rod（65）Top sets connection plug（651）, through hole（617）And connection plug（651）For close-fitting Connection；The recessed semicolumn（622）Rotate to be clockwise turn 0~1.4 °.