CN110320390A - A kind of pin protection type Test Diode clamping tooling - Google Patents
A kind of pin protection type Test Diode clamping tooling Download PDFInfo
- Publication number
- CN110320390A CN110320390A CN201910730994.5A CN201910730994A CN110320390A CN 110320390 A CN110320390 A CN 110320390A CN 201910730994 A CN201910730994 A CN 201910730994A CN 110320390 A CN110320390 A CN 110320390A
- Authority
- CN
- China
- Prior art keywords
- pin
- pawl
- protection type
- type test
- ratchet
- 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.)
- Granted
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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
- G01R1/0425—Test clips, e.g. for IC's
-
- 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
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2601—Apparatus or methods therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention discloses a kind of pin protection type Test Diode clamping toolings; including diode tube body, two pins, locating plate and workbench; holding holes there are two symmetrically being opened up on the locating plate; and each holding holes two sides are provided with the clamping device for fixing pin; each clamping device includes pawl; each pawl is fixedly connected with drive plate; each pawl is engaged with ratchet, and the reversing arrangement for limiting ratchet wheel direction is provided with below each ratchet.Structure of the invention is novel, what the pin of diode was subject in clamping process is the elastic force of rubber ring, rather than shearing force or mechanical grip effect, pin are not susceptible to damage, and meeting chucking power can increase automatically after diode is powered, and avoid subject shake or vibration that testing result is caused to be affected.
Description
Technical field
The present invention relates to electronic component the field of test technology more particularly to a kind of pin protection type Test Diode to press from both sides
Hold tooling.
Background technique
Most important device or avalanche photodide used in single-photon detector field at present, it is optical detection
Photovoltaic detector element used in field, major function are exactly to convert optical signals into electric signal output, avalanche optoelectronic two
The characteristics of pole pipe is by its high sensitivity, high-gain and fast response time, becomes the preferred signal sensitive detection parts in optic communication, avenges
Avalanche photo diode biggest advantage is with enlarge-effect, and the optical detector made of it has very high sensitivity, in order to
The working performance of avalanche photodide is tested, it is usually that avalanche photodide is fixed on a printed circuit board.
Existing fixed form is usually that APD is directly welded on driving circuit, is surveyed to avalanche photodide
It tries, but is unfavorable for the being dismounted for multiple times of diode using the mode of welding, or even device can be damaged in the process of dismounting, therefore, I
Need no-welding type fixed form to fix diode, in order to device detection next time, the patent that has such as authorized
Described a kind of clamp for testing electronic device in CN107807318A makes clamping plate and driving circuit by two magnet
Plate generates the trend mutually sheared, and then presss from both sides the pin of component to be measured by the hole wall of the via hole on clamping plate and drive circuit board
Tightly, but this method can be such that pin is bent while clamping component's feet, if magnet magnetic force is excessive to result even in pin
Fracture, loses more than gain, therefore, it is proposed that a kind of pin protection type Test Diode clamping tooling.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of two pole of pin protection type proposed
Tooling is held in pipe test clamp.
To achieve the goals above, present invention employs following technical solutions:
A kind of pin protection type Test Diode clamping tooling, including diode tube body, locating plate and workbench, it is described
Diode bottom of the pipe is set there are two pin, symmetrically opens up that there are two holding holes and four mounting grooves, and position on the locating plate
The two sides that corresponding two mounting grooves are located at corresponding holding holes are set, is provided in each mounting groove and draws for fixation
The clamping device of foot；
Each clamping device includes pawl, and each pawl is fixedly connected with drive plate, each pawl
It is engaged with ratchet, the reversing arrangement for limiting ratchet wheel direction is provided with below each ratchet；
The upper surface and lower end surface of the locating plate are symmetrically arranged there are two card slot, and two card slots being located above
With the first magnetic sheet and the second magnetic sheet are placed in underlying two card slots respectively, two first magnetic sheets are connected with jointly
Insulation spacer, two second magnetic sheets are connected with insulated mounting plate jointly, offer on insulation spacer and insulated mounting plate
Through-hole corresponding with clamping hole site.
Preferably, each clamping device includes pawl and reversing arrangement, and each pawl is fixedly connected with biography
Moving plate, and each drive plate is rotatedly connected with the inner wall of corresponding mounting groove, each drive plate is along the circumferential direction arranged
There is rubber ring, and be filled with ER fluid between each rubber ring and corresponding drive plate, each pawl is engaged with
Ratchet, and each reversing arrangement is respectively positioned on the lower section of the corresponding ratchet in position, the distance between corresponding two rubber rings are equal to
The diameter of any one pin.
Preferably, each reversing arrangement includes the controller being fixed on mounting groove inner sidewall, Mei Gesuo
It states controller and is fixedly connected to regulating wheel, and the two sides of each regulating wheel are slided and are provided with the first check pawl and second and stop
Return pawl, the bottom end of first check pawl and the second check pawl is arc-shaped, and with the rotation connection of the bottom wall of mounting groove,
First check pawl passes through spring with the second check pawl and is connected with corresponding mounting groove inner wall.
First magnetic sheet being preferably located in same vertical plane, one pendant polar on the contrary, institute opposite with the second magnetic sheet
The bottom end for stating insulated mounting plate is symmetrically arranged with multiple supporting legs, and the bottom end of each supporting leg is welded with first gear, institute
It states annular on workbench and offers internal spline, and each first gear is engaged with internal spline.
Preferably, the middle part sliding of the workbench is provided with monitor station, and one end of the monitor station is connected with adjusting dress
It sets.
Preferably, the regulating device includes the bolster stake being fixedly welded on workbench side wall, dial and the second tooth
It takes turns, is provided through connecting rod on the bolster stake, and the both ends of connecting rod are fixedly connected with dial, second gear respectively, it is described
Second gear is engaged with rack gear, and the bolster stake is fixedly connected with indicator by straight-bar, and scale is directed toward at the tip of indicator
Disk is arranged with Anti-slip cover on the dial.
Beneficial effects of the present invention:
1, pass through the devices such as setting pawl, drive plate, rubber ring, when in pin insertion holding holes, the downward power of pin
Drive plate rotation is pushed, under the action of ratchet, drive plate can be such that it only rotates in the same direction according to the setting of people, when
After diode is inserted into holding holes, the frictional force of rubber ring prevents pin from removing, while conductive rubber passes electric current after pin energization
To ER fluid, ER fluid mobility is greatly reduced, and is similar to solid-state or viscous state, the deformation journey that can achieve rubber ring
Degree greatly reduces, so that pin be clamped because aid power is elastic acting force, do not easily lead to pin deformation, bending or
Fracture.
2, by devices such as the first check pawl of setting, the second check pawl, regulating wheel, controllers, pass through regulating wheel
Rotation can be such that one of check pawl engages with ratchet, and two check pawls control ratchet and rotate to different directions.
3, when needing to be inserted into pin, the first check pawl is engaged with ratchet, rotates clockwise drive plate, rubber ring with
Frictional force between pin drives pin to move downward, and when needing pin to take out, the second check pawl is engaged with ratchet, makes to pass
Moving plate rotates counterclockwise, and the frictional force drives pin between rubber ring and pin moves upwards, and not will cause and takes, inserts inconvenient ask
Topic.
4, second gear and rack gear can be made by devices, rotary dials such as setting rack gear, second gear, dials
Engaged transmission makes rack gear that monitor station be pushed to move a certain distance, this distance can the number of teeth by second gear, dial rotation
Angle calculates, and compared to common regulating device, this regulative mode is more easily controlled, adjustable at any time, and precision compared with
It is high.
In conclusion structure of the invention is novel, what the pin of diode was subject in clamping process is the elasticity of rubber ring
Power, rather than shearing force or mechanical grip effect, pin are not susceptible to damage, and meeting chucking power can increase automatically after diode energization
Add, avoids subject shake or vibration that testing result is caused to be affected.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of pin protection type Test Diode clamping tooling proposed by the present invention；
Fig. 2 is that the structure of clamping device in a kind of pin protection type Test Diode clamping tooling proposed by the present invention is shown
It is intended to；
Fig. 3 is that the structure of reversing arrangement in a kind of pin protection type Test Diode clamping tooling proposed by the present invention is shown
It is intended to；
Fig. 4 is the side view of regulating device in a kind of pin protection type Test Diode clamping tooling proposed by the present invention
Figure；
Fig. 5 is first gear and internal spline in a kind of pin protection type Test Diode clamping tooling proposed by the present invention
The structural schematic diagram of engaging portion.
In figure: 1 pawl, 2 pins, 3 rubber rings, 4 ER fluids, 5 first check pawls, 6 regulating wheels, 7 controllers, 8 bullets
Spring, 9 second check pawls, 10 ratchets, 11 locating plates, 12 diode tube bodies, 13 holding holes, 14 first magnetic sheets, 15 are insulated
Plate, 16 supporting legs, 17 monitor stations, 18 workbench, 19 rack gears, 20 first gears, 21 bolster stakes, 22 regulating devices, 23 second magnetic
Piece, 24 insulation spacers, 25 Anti-slip covers, 26 dials, 27 indicators, 28 second gears, 29 internal splines.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, a kind of pin protection type Test Diode clamping tooling, including diode tube body 12, locating plate
11 and workbench 18,12 lower end of diode tube body is set there are two pin 2, symmetrically opens up that there are two 13 Hes of holding holes on locating plate 11
Four mounting grooves, and corresponding two mounting grooves in position are located at the two sides of corresponding holding holes 13, are all provided in each mounting groove
It is equipped with the clamping device for fixing pin 2；
Each clamping device includes pawl 1, and each pawl 1 is fixedly connected with drive plate, and each pawl 1 is engaged with spine
Wheel 10, the lower section of each ratchet 10 is provided with the reversing arrangement for limiting 10 rotation direction of ratchet；
The upper surface and lower end surface of locating plate 11 are symmetrically arranged there are two card slot, and two card slots being located above and
The first magnetic sheet 14 and the second magnetic sheet 23 are placed in underlying two card slots respectively, two the first magnetic sheets 14 are connected with jointly
Insulation spacer 24, two the second magnetic sheets 23 are connected with insulated mounting plate 15 jointly, on insulation spacer 24 and insulated mounting plate 15
Through-hole corresponding with 13 position of holding holes is offered, for plugging for pin 2.
In the present invention, each clamping device includes pawl 1 and reversing arrangement, and each pawl 1 is fixedly connected with transmission
Disk, and each drive plate is rotatedly connected with the inner wall of corresponding mounting groove, each drive plate is along the circumferential direction arranged with rubber
Circle 3, and ER fluid 4 is filled between each rubber ring 3 and corresponding drive plate, each pawl 1 is engaged with ratchet 10,
And each reversing arrangement is respectively positioned on the lower section of the corresponding ratchet 10 in position, the distance between corresponding two rubber rings 3, which are equal to, appoints
It anticipates the diameter of a pin 2.
In the present invention, each reversing arrangement includes the controller 7 being fixed on mounting groove inner sidewall, each control
Device 7 is fixedly connected to regulating wheel 6, and the two sides of each regulating wheel 6 are slided and are provided with the first check pawl 5 and the second non-return
The bottom end of pawl 9, the first check pawl 5 and the second check pawl 9 is arc-shaped, and is rotatablely connected with the bottom wall of mounting groove, the
One check pawl 5 is connected by spring 8 with corresponding mounting groove inner wall with the second check pawl 9, the tooth of two check pawls
Direction is different, controls the rotation direction of drive plate respectively.
In the present invention, the first magnetic sheet 14 in same vertical plane it is opposite with the second magnetic sheet 23 one it is pendant polar on the contrary,
By attracting each other for the first magnetic sheet 14 and the second magnetic sheet 23, insulated mounting plate 15 and insulation spacer 24 can be fixed on positioning
The two sides of piece 11, the thickness by changing the two adjust the distance between diode pin 2 and monitor station 17, insulated mounting plate
15 bottom end is symmetrically arranged with multiple supporting legs 16, and the bottom end of each supporting leg 16 is welded with first gear 20, workbench
Annular offers internal spline 29 on 18, and each first gear 20 is engaged with internal spline 29.
In the present invention, sliding is provided with monitor station 17 on workbench 18, and one end of monitor station 17 is connected with regulating device 22,
Regulating device 22 can be used for accurately adjusting the position of monitor station 17.
In the present invention, regulating device includes the bolster stake 21 being fixedly welded on 18 side wall of workbench, dial 26 and
Two gears 28, are provided through connecting rod on bolster stake 21, and the both ends of connecting rod respectively with dial 26, second gear 28 is fixed connects
It connects, second gear 28 is engaged with rack gear 19, and bolster stake 21 is fixedly connected with indicator 27, and the point of indicator 27 by straight-bar
Dial 26 is directed toward at end, by the distance for the movement of angle calculation rack gear 19 that observation dial 26 rotates, can obtain monitor station
17 mobile distances are arranged with Anti-slip cover 25 on dial 26.
The present invention is in use, insulation spacer 24, insulated mounting plate 15 are fixed on by the first magnetic sheet 14, the second magnetic sheet 23
The two sides up and down of locating plate 11, since it is desired that guaranteeing that the deformation quantity in loading process of locating plate 11 and is opened a certain range of
If intensity is unaffected after mounting groove, so locating plate 11 is made preferably with alloy material, insulation spacer 24, insulated mounting plate
On the other hand 15 one side completely cut off locating plate 11 and diode for changing the distance between diode pin 2 and monitor station 17
The contact of 12 part of tube body；
Under the action of ratchet 10, drive plate can be such that it only rotates in the same direction according to the setting of people, specifically,
One of check pawl can be made to engage with ratchet 10 by the rotation of regulating wheel 6, and two check pawls can control spine respectively
Wheel 10 is rotated to different directions, and when needing to be inserted into pin 2, the first check pawl 5 is engaged with ratchet 10, keeps drive plate clockwise
Rotation, the frictional force between rubber ring 3 and pin 2 drive pin 2 to move downward；
When drive plate can only rotate clockwise, when thinking to stir diode upwards, pin 2 needs to overcome rubber ring 3 very big
Frictional force, so in this case, diode is not easily to fall off, during Test Diode, pin 2 is powered, and rubber ring 3 is
The silver-plated conductive rubber of copper is made, and has excellent electric conductivity, so that mobility drops significantly after its internal ER fluid 4 is powered
It is low, thus reduce rubber ring 3 can impose bigger chucking power, while drive plate, pawl 1 with the degree of deformation to pin 2
Situations such as being that electrically non-conductive material is made, not will cause electric leakage；
Rotary dial 26 can make 19 engaged transmission of second gear 28 and rack gear, make rack gear 19 that monitor station 17 be pushed to move
Dynamic certain distance, this distance can be calculated by the number of teeth of second gear 28,26 rotational angle of dial, because of first gear
20 engage with the internal spline 29 on workbench 18, it is possible to change the position of pin 2, in the same plane to cooperate monitor station
The position of driving circuit on 17 after the completion of detection, controls controller 7 by outer signals and rotates, rotate regulating wheel 6, and second
Non-return ratchet 9 is engaged with ratchet 10, and drive plate can only rotate counterclockwise, and the frictional force between rubber ring 3 and pin 2 makes pin 2
Drive plate can be rotated, makes itself to move upwards, diode is removed therewith.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of pin protection type Test Diode clamping tooling, including diode tube body (12), two pins (2), positioning
Piece (11) and workbench (18), which is characterized in that symmetrically opened up on the locating plate (11) there are two holding holes (13), and each
Holding holes (13) two sides are provided with the clamping device for fixing pin (2)；
Each clamping device includes pawl (1), and each pawl (1) is fixedly connected with drive plate, each described dynamic
Pawl (1) is engaged with ratchet (10), is provided with below each ratchet (10) for limiting ratchet (10) rotation direction
Reversing arrangement.
2. a kind of pin protection type Test Diode clamping tooling according to claim 1, which is characterized in that Mei Gesuo
It states drive plate to be along the circumferential direction arranged with rubber ring (3), and is filled between each rubber ring (3) and corresponding drive plate
ER fluid (4).
3. a kind of pin protection type Test Diode clamping tooling according to claim 1, which is characterized in that Mei Gesuo
Stating reversing arrangement includes controller (7) and regulating wheel (6), and the two sides of each regulating wheel (6) are slided and are provided with first and stop
Return pawl (5) and the second check pawl (9).
4. a kind of pin protection type Test Diode clamping tooling according to claim 1, which is characterized in that the work
Make sliding on platform (18) to be provided with monitor station (17), one end of the monitor station (17) is connected with regulating device (22).
5. a kind of pin protection type Test Diode clamping tooling according to claim 4, which is characterized in that the tune
Regulating device (22) includes bolster stake (21), dial (26) and second gear (28), is provided through on the bolster stake (21)
Connecting rod, and the both ends of connecting rod are fixedly connected with dial (26), second gear (28) respectively, the second gear (28) is engaged with
Rack gear (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910730994.5A CN110320390B (en) | 2019-08-08 | 2019-08-08 | Clamping tool for pin protection type diode test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910730994.5A CN110320390B (en) | 2019-08-08 | 2019-08-08 | Clamping tool for pin protection type diode test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110320390A true CN110320390A (en) | 2019-10-11 |
| CN110320390B CN110320390B (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910730994.5A Active CN110320390B (en) | 2019-08-08 | 2019-08-08 | Clamping tool for pin protection type diode test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110320390B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147479A (en) * | 2020-09-15 | 2020-12-29 | 南京祠盛资电子商务有限公司 | Energy-saving and environment-friendly light-emitting diode detection device using current transformer |
| CN114794923A (en) * | 2022-04-22 | 2022-07-29 | 宁波卡特马克智能厨具股份有限公司 | Detachable handle and cooking utensil |
| CN117129840A (en) * | 2023-10-26 | 2023-11-28 | 华迅信息技术研究(深圳)有限公司 | Integrated circuit chip detection equipment |
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| CN112147479A (en) * | 2020-09-15 | 2020-12-29 | 南京祠盛资电子商务有限公司 | Energy-saving and environment-friendly light-emitting diode detection device using current transformer |
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| CN117129840B (en) * | 2023-10-26 | 2024-01-23 | 华迅信息技术研究(深圳)有限公司 | Integrated circuit chip detection equipment |
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