CN110967611B - Novel diode detects device - Google Patents
Novel diode detects device Download PDFInfo
- Publication number
- CN110967611B CN110967611B CN201911353138.9A CN201911353138A CN110967611B CN 110967611 B CN110967611 B CN 110967611B CN 201911353138 A CN201911353138 A CN 201911353138A CN 110967611 B CN110967611 B CN 110967611B
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- rectangular groove
- bevel gear
- diode
- feeding
- connecting shaft
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2607—Circuits therefor
- G01R31/2632—Circuits therefor for testing diodes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- 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
- G01R31/013—Testing passive components
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2601—Apparatus or methods therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Abstract
The invention discloses a novel diode detection device, which comprises a pair of feeding rails for conveying diodes, a transfer arm and a detection mechanism, wherein the feeding rails comprise a feeding section, a transition section and a discharging section, a first rectangular groove, a second rectangular groove and a concave plane with openings at the upper side are formed on the transition section, and the left end of the concave plane is connected with the feeding section; the transfer arm is arranged between the two feeding tracks, three semicircular grooves with openings on the upper sides and linearly and uniformly distributed in the left and right directions are formed in the transfer arm, the inner walls of the semicircular grooves are matched with the outer wall of a plastic packaging body of the diode, the transfer arm is provided with a balance moving mechanism, the detection mechanism comprises a diode detector, and the diode detector is connected with an anode measuring piece and a cathode measuring piece through leads. The invention can rapidly detect the parameter performance of a large number of diodes, improves the production efficiency and reduces the labor intensity of workers.
Description
The technical field is as follows:
the invention relates to the technical field of diode detection, in particular to a novel diode detection device.
Background art:
the diode is used as a common electronic component, the demand is large, in order to ensure the yield of the diode when the diode is delivered from a factory, the traditional detection method adopts manual detection, the speed of manual detection is low, the demand of the current market cannot be met, and the efficiency is low.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provide a novel diode detection device which can quickly detect the parameter performance of a large number of diodes, improves the production efficiency and reduces the labor intensity of workers.
The scheme for solving the technical problems is as follows:
a novel diode detection device comprises a pair of feeding rails, a transfer arm and a detection mechanism, wherein the feeding rails, the transfer arm and the detection mechanism are arranged in front and back, the feeding rails are used for conveying diodes and are fixed on a bottom plate through supporting legs, pins at two ends of the diodes are respectively arranged on one corresponding feeding rail, each feeding rail comprises a feeding section, a transition section and a discharging section, the feeding section is arranged in a horizontal mode, the transition section is provided with a first rectangular groove, a second rectangular groove and a concave plane, the first rectangular groove, the second rectangular groove and the concave plane are opened on the upper side, and the left end of the concave plane is connected with the feeding section; the transfer arm is arranged between the two feeding tracks, three semicircular grooves which are linearly and uniformly distributed in the left-right direction and are provided with openings at the upper sides are formed on the transfer arm, the inner walls of the semicircular grooves are matched with the outer wall of the plastic package body of the diode, the semicircular groove at the left side corresponds to the right end of the concave plane, the semicircular groove at the middle corresponds to the first rectangular groove, and the semicircular groove at the right side corresponds to the second rectangular groove; the transfer arm is provided with a balance moving mechanism, the balance moving mechanism comprises a support lug fixed on the lower bottom surface of the transfer arm, the support lug is fixed at the front end of the first connecting shaft, the two ends of the first connecting shaft are respectively hinged on the front side wall and the rear side wall of the box body, a first bevel gear is fixed at the front end part of the first connecting shaft extending into the inner cavity of the box body, the first bevel gear is meshed with a second bevel gear fixed at one end of the intermediate shaft, a third bevel gear fixed at the other end of the intermediate shaft is meshed with a fourth bevel gear fixed at the rear end of the second connecting shaft, the second bevel gear, the intermediate shaft, the third bevel gear and the fourth bevel gear are arranged in the box body, two ends of the second connecting shaft are respectively hinged on the front side wall and the rear side wall of the box body, the second connecting shaft penetrates through the rear extending end of the box body and is fixedly connected with a motor shaft of a motor, and the motor is fixedly connected with the bottom plate; the detection mechanism comprises a diode detector fixed on the bottom plate, the diode detector is connected with an anode measuring piece and a cathode measuring piece through a lead, the anode measuring piece is located on the rear side of a first rectangular groove of a feeding track on the rear side, the cathode measuring piece is located on the front side of the first rectangular groove of the feeding track on the front side, the anode measuring piece and the cathode measuring piece are respectively fixed on a piston rod of a corresponding air cylinder, and the two air cylinders are fixed on the bottom plate.
The width of the first rectangular groove and the width of the second rectangular groove are matched with the diameter of the pin.
A distance L1 between the rightmost end of the concave plane and the right side wall of the first rectangular groove is equal to a distance L2 between the right side wall of the second rectangular groove and the right side wall of the first rectangular groove; the center-to-center distance L3 between the first connecting shaft and the second connecting shaft is equal to one half of L1.
The depth of the concave plane, the depth of the first rectangular groove and the depth of the second rectangular groove are all between the radius value and the diameter value of the pin.
The space between the two feeding tracks is matched with the length of a plastic package body of the diode, and the pin of the diode extends out of the feeding tracks.
And an insulating pad is arranged between the positive electrode measuring sheet and the negative electrode measuring sheet and the piston rod of the corresponding cylinder.
The tooth number of the first bevel gear is consistent with that of the fourth bevel gear, and the tooth number of the second bevel gear is consistent with that of the third bevel gear.
The invention has the following outstanding effects: compared with the prior art, the method can be used for rapidly detecting the parameter performance of a large number of diodes, the production efficiency is improved, and the labor intensity of workers is reduced.
Description of the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 taken about A-A;
fig. 4 is a cross-sectional view of fig. 3 taken about B-B.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 4, a novel diode detection device includes a pair of feeding rails 1, a transfer arm 2 and a detection mechanism 3 which are arranged in front and back for conveying diodes 9, the feeding rails 1 are fixed on a bottom plate 5 through support legs 4, pins 91 at two ends of the diodes 9 are respectively arranged on a corresponding feeding rail 1, the feeding rails 1 include a feeding section 11 arranged in a left-high and right-low manner, a transition section 12 arranged horizontally and a discharging section 13 arranged in a left-high and right-low manner, a first rectangular groove 121, a second rectangular groove 122 and a concave plane 123 with an open upper side are formed on the transition section 12, and the left end of the concave plane 123 is connected with the feeding section 11; the transfer arm 2 is arranged between the two feeding tracks 1, three semicircular grooves 211 which are linearly and uniformly distributed in the left-right direction and are provided with openings at the upper sides are formed on the transfer arm 2, the inner walls of the semicircular grooves 211 are matched with the outer wall of the plastic package body 92 of the diode 9, the semicircular groove 211 at the left side corresponds to the right end of the concave plane 123, the semicircular groove 211 at the middle part corresponds to the first rectangular groove 121, and the semicircular groove 211 at the right side corresponds to the second rectangular groove 122; the transfer arm 2 is provided with a balance moving mechanism 6, the balance moving mechanism 6 can drive the transfer arm 2 to keep the semicircular groove 121 upward all the time when the transfer arm 2 rotates, the balance moving mechanism 6 comprises a support lug 61 fixed on the lower bottom surface of the transfer arm 2, the support lug 61 is fixed at the front end of a first connecting shaft 62, two ends of the first connecting shaft 62 are respectively hinged on the front side wall and the rear side wall of the box 63, a first bevel gear 64 is fixed at the front end part of the first connecting shaft 62 extending into the inner cavity of the box 63, the first bevel gear 64 is meshed with a second bevel gear 66 fixed at one end of a middle shaft 65, a third bevel gear 67 fixed at the other end of the middle shaft 65 is meshed with a fourth bevel gear 69 fixed at the rear end of a second connecting shaft 68, the second bevel gear 66, the middle shaft 65, the third bevel gear 67 and the fourth bevel gear 69 are arranged in the box 63, two ends of the second connecting shaft 68 are respectively hinged on the front side wall and the rear side wall of the box 63, the second connecting shaft 68 penetrates through the rear extending end of the box body 63 and is fixedly connected with a motor shaft of the motor 60, and the motor 60 is fixedly connected with the bottom plate 5; the detection mechanism 3 comprises a diode detector 31 fixed on the bottom plate 5, the diode detector 31 is connected with an anode measuring piece 32 and a cathode measuring piece 33 through a lead, the anode measuring piece 32 is located on the rear side of the first rectangular groove 121 of the feeding rail 1 on the rear side, the cathode measuring piece 33 is located on the front side of the first rectangular groove 121 of the feeding rail 1 on the front side, the anode measuring piece 32 and the cathode measuring piece 33 are respectively fixed on the piston rods of the corresponding cylinders 34, and the two cylinders 34 are fixed on the bottom plate 5.
Furthermore, the width of the first rectangular groove 121 and the width of the second rectangular groove 122 match the diameter of the lead 91.
Further, a distance L1 between the rightmost end of the concave plane 123 and the right side wall of the first rectangular groove 121 is equal to a distance L2 between the right side wall of the second rectangular groove 122 and the right side wall of the first rectangular groove 121; the center-to-center distance L3 between the first connecting shaft 62 and the second connecting shaft 68 is equal to one-half of L1.
Further, the depth of the concave plane 123, the depth of the first rectangular groove 121, and the depth of the second rectangular groove 122 are all between the radius value and the diameter value of the lead 91.
Furthermore, the distance between the two feeding tracks 1 is matched with the length of a plastic package body 92 of the diode 9, and a pin 91 of the diode 9 extends out of the feeding tracks 1.
Furthermore, an insulating pad 35 is disposed between the positive electrode measuring piece 32 and the negative electrode measuring piece 33 and the piston rod of the corresponding cylinder 34.
Further, the number of teeth of the first bevel gear 64 is the same as that of the fourth bevel gear 69, and the number of teeth of the second bevel gear 66 is the same as that of the third bevel gear 67.
Firstly, placing the diodes 9 on the feeding tracks 1 as shown in fig. 1 one by one, wherein a plastic package body 92 of the diodes 9 is positioned between the two feeding tracks 1, and pins 91 of the diodes 9 are placed on the feeding tracks; secondly, the motor 60 is turned on, the motor 60 drives the second connecting shaft 68 to rotate, the second connecting shaft 68 drives the third bevel gear 67 to rotate through the fourth bevel gear 69, the third bevel gear 67 drives the second bevel gear 66 to synchronously rotate through the intermediate shaft 65, the second bevel gear 66 drives the first bevel gear 64 to rotate, the first bevel gear 64 drives the first connecting shaft 62 to rotate, the rotating direction of the first connecting shaft 62 is opposite to that of the second connecting shaft 68 but the rotating speeds of the first connecting shaft and the second connecting shaft are consistent, at this time, the first connecting shaft 62 can rotate clockwise around the second connecting shaft 68, the first connecting shaft 62 drives the transfer arm 2 to rotate clockwise but always keeps the semicircular groove 211 upward, during the rotation of the transfer arm 2, the diode 9 on the rightmost side of the feeding section 11 is shoveled by the semicircular groove 211 on the left side, the diode 9 inserted and sleeved in the first rectangular groove 121 is shoveled by the semicircular groove 211 on the right side, then the transfer arm 2 places the pins 91 of the diodes 9 on the left semicircular groove 211 in the first rectangular groove 121, the transfer arm 2 places the pins 91 of the diodes 9 on the middle semicircular groove 211 in the second rectangular groove 122, the transfer arm 2 places the pins 91 of the diodes 9 on the right semicircular groove 211 on the discharge sections 13 of the two feeding tracks 1, then slide down from the discharge section 13 to the next process, and then the transfer arm 2 is separated from the three diodes 9 and continues to rotate clockwise, at this time, the piston rods of the two cylinders 34 extend to respectively drive the anode measuring sheet 32 and the cathode measuring sheet 33 to move upwards, the anode measuring sheet 32 and the cathode measuring sheet 33 are respectively pressed against the two pins 91 of the diode 9 arranged in the first rectangular groove 121, the diode measuring machine 31 then performs a parameter measurement on the diode through the positive pole measuring piece 32 and the negative pole measuring piece 33.
Finally, the above embodiments are merely illustrative of the present invention, and various changes and modifications can be made without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions also fall within the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (7)
1. The utility model provides a novel diode detection device, sets up pay-off track (1), transfer arm (2) and detection mechanism (3) that are used for conveying diode (9) including a pair of front and back, pay-off track (1) is fixed on bottom plate (5) through stabilizer blade (4), and on corresponding pay-off track (1) was arranged respectively in to pin (91) at the both ends of diode (9), its characterized in that: the feeding rail (1) comprises a feeding section (11) which is arranged in a left-high and right-low mode, a transition section (12) which is arranged horizontally and a discharging section (13) which is arranged in a left-high and right-low mode, a first rectangular groove (121), a second rectangular groove (122) and a concave plane (123) which are opened at the upper side are formed in the transition section (12), and the left end of the concave plane (123) is connected with the feeding section (11); the transfer arm (2) is arranged between the two feeding tracks (1), three semicircular grooves (211) which are linearly and uniformly distributed in the left-right direction and are provided with openings on the upper sides are formed in the transfer arm (2), the inner walls of the semicircular grooves (211) are matched with the outer wall of a plastic package body (92) of the diode (9), the semicircular groove (211) on the left side corresponds to the right end of the concave plane (123), the semicircular groove (211) in the middle corresponds to the first rectangular groove (121), and the semicircular groove (211) on the right side corresponds to the second rectangular groove (122); the transfer arm (2) is provided with a balance moving mechanism (6), the balance moving mechanism (6) comprises a support lug (61) fixed on the lower bottom surface of the transfer arm (2), the support lug (61) is fixed at the front end of a first connecting shaft (62), two ends of the first connecting shaft (62) are respectively hinged on the front side wall and the rear side wall of a box body (63), the first connecting shaft (62) extends into the front end part of the inner cavity of the box body (63) and is fixedly provided with a first bevel gear (64), the first bevel gear (64) is meshed with a second bevel gear (66) fixed at one end of a middle shaft (65), a third bevel gear (67) fixed at the other end of the middle shaft (65) is meshed with a fourth bevel gear (69) fixed at the rear end of a second connecting shaft (68), the second bevel gear (66), the middle shaft (65), the third bevel gear (67) and the fourth bevel gear (69) are arranged in the box body (63), two ends of the second connecting shaft (68) are respectively hinged to the front side wall and the rear side wall of the box body (63), the second connecting shaft (68) penetrates through the rear extending end of the box body (63) to be fixedly connected with a motor shaft of the motor (60), and the motor (60) is fixedly connected with the bottom plate (5); the detection mechanism (3) comprises a diode detection machine (31) fixed on the bottom plate (5), the diode detection machine (31) is connected with a positive electrode measurement piece (32) and a negative electrode measurement piece (33) through a lead, the positive electrode measurement piece (32) is located on the rear side of a first rectangular groove (121) of the feeding track (1) on the rear side, the negative electrode measurement piece (33) is located on the front side of the first rectangular groove (121) of the feeding track (1) on the front side, the positive electrode measurement piece (32) and the negative electrode measurement piece (33) are respectively fixed on a piston rod of a corresponding air cylinder (34), and the two air cylinders (34) are fixed on the bottom plate (5).
2. The novel diode detector of claim 1, wherein: the width of the first rectangular groove (121) and the width of the second rectangular groove (122) are matched with the diameter of the pin (91).
3. The novel diode detector of claim 2, wherein: the distance L1 between the rightmost end of the concave plane (123) and the right side wall of the first rectangular groove (121) is equal to the distance L2 between the right side wall of the second rectangular groove (122) and the right side wall of the first rectangular groove (121); the center-to-center distance L3 between the first connecting shaft (62) and the second connecting shaft (68) is equal to one half of L1.
4. The novel diode detector of claim 1, wherein: the depth of the concave plane (123), the depth of the first rectangular groove (121) and the depth of the second rectangular groove (122) are all between the radius value and the diameter value of the pin (91).
5. The novel diode detector of claim 1, wherein: the space between the two feeding tracks (1) is matched with the length of a plastic package body (92) of the diode (9), and a pin (91) of the diode (9) extends out of the feeding tracks (1).
6. The novel diode detector of claim 1, wherein: and an insulating pad (35) is arranged between the positive electrode measuring sheet (32) and the negative electrode measuring sheet (33) and the piston rod of the corresponding cylinder (34).
7. The novel diode detector of claim 1, wherein: the number of teeth of the first bevel gear (64) is consistent with that of the fourth bevel gear (69), and the number of teeth of the second bevel gear (66) is consistent with that of the third bevel gear (67).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353138.9A CN110967611B (en) | 2019-12-25 | 2019-12-25 | Novel diode detects device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353138.9A CN110967611B (en) | 2019-12-25 | 2019-12-25 | Novel diode detects device |
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| Publication Number | Publication Date |
|---|---|
| CN110967611A CN110967611A (en) | 2020-04-07 |
| CN110967611B true CN110967611B (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911353138.9A Active CN110967611B (en) | 2019-12-25 | 2019-12-25 | Novel diode detects device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010000374A (en) * | 2000-09-23 | 2001-01-05 | 정운환 | Device for checking radiation diodes |
| KR20110131489A (en) * | 2010-05-31 | 2011-12-07 | 주식회사 드림 | Test handler for led within the lead frame and test method thereof |
| CN203881901U (en) * | 2014-06-18 | 2014-10-15 | 四川蓝彩电子科技有限公司 | High-efficiency diode and triode performance detection and defective product rejecting device |
| CN107055076A (en) * | 2017-02-28 | 2017-08-18 | 温州市贝佳福自动化技术有限公司 | Robot assisted light emitting diode full-automatic testing streamline |
| CN107199187A (en) * | 2017-07-19 | 2017-09-26 | 东莞市联洲知识产权运营管理有限公司 | A kind of screening delivery track of diode detection |
| CN110575976A (en) * | 2019-10-21 | 2019-12-17 | 台州市路桥红日电子设备厂 | Detection and classification device for diodes |
-
2019
- 2019-12-25 CN CN201911353138.9A patent/CN110967611B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010000374A (en) * | 2000-09-23 | 2001-01-05 | 정운환 | Device for checking radiation diodes |
| KR20110131489A (en) * | 2010-05-31 | 2011-12-07 | 주식회사 드림 | Test handler for led within the lead frame and test method thereof |
| CN203881901U (en) * | 2014-06-18 | 2014-10-15 | 四川蓝彩电子科技有限公司 | High-efficiency diode and triode performance detection and defective product rejecting device |
| CN107055076A (en) * | 2017-02-28 | 2017-08-18 | 温州市贝佳福自动化技术有限公司 | Robot assisted light emitting diode full-automatic testing streamline |
| CN107199187A (en) * | 2017-07-19 | 2017-09-26 | 东莞市联洲知识产权运营管理有限公司 | A kind of screening delivery track of diode detection |
| CN110575976A (en) * | 2019-10-21 | 2019-12-17 | 台州市路桥红日电子设备厂 | Detection and classification device for diodes |
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| CN110967611A (en) | 2020-04-07 |
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Address after: 318000 No.16, East Road Village, qiansuo street, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jin Pengfei Address before: 310051 No. 37, Binsheng Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: Jin Pengfei |