CN115201659A - Integrated circuit packaging test device and test method - Google Patents
Integrated circuit packaging test device and test method Download PDFInfo
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- CN115201659A CN115201659A CN202210691040.XA CN202210691040A CN115201659A CN 115201659 A CN115201659 A CN 115201659A CN 202210691040 A CN202210691040 A CN 202210691040A CN 115201659 A CN115201659 A CN 115201659A
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- integrated circuit
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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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2896—Testing of IC packages; Test features related to IC packages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
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- 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
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2855—Environmental, reliability or burn-in testing
- G01R31/286—External aspects, e.g. related to chambers, contacting devices or handlers
- G01R31/2865—Holding devices, e.g. chucks; Handlers or transport devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention discloses an integrated circuit packaging test device and a test method in the technical field of integrated circuit detection, and the integrated circuit packaging test device comprises a bottom plate, wherein conveying belts are symmetrically arranged at the left side and the right side of the upper side surface of the bottom plate and are in transmission connection with the bottom plate, and rotating shafts of the conveying belts at the left side and the right side are mutually and fixedly connected; the surface of the bottom plate is fixedly connected with a motor, and the right end of an output shaft of the motor is fixedly connected with a rotating shaft at the rear position of the left conveyor belt; the detection mechanism is arranged on the surface of the bottom plate and used for completing the detection of the integrated circuit body regulated by the positioning mechanism under the condition that the conveyor belt is not stopped; a screening mechanism is arranged between the left conveyor belt and the right conveyor belt and is used for screening out the integrated circuit bodies detected by the detection mechanism to have faults; the device easy operation, convenient to use can effectual promotion integrated circuit detection's efficiency and precision, can effectually use manpower sparingly.
Description
Technical Field
The invention relates to the technical field of integrated circuit detection, in particular to an integrated circuit packaging test device and a test method.
Background
An integrated circuit is a microelectronic device or component. The transistor, resistor, capacitor and inductor elements and wiring required in a circuit are interconnected by a certain process, and are manufactured on a small or a plurality of small semiconductor chips or medium substrates, and then are packaged in a tube shell to form the microstructure with the required circuit function.
Because integrated circuit has a lot of pins, when detecting, need to be with the butt joint contact one by one of a plurality of pins of a plurality of probes that detect and integrated circuit, then just can detect integrated circuit, consequently when detecting integrated circuit, need adjust integrated circuit to accurate detection position and just can make on the probe that detects contacts with all pins, current when detecting the inheritance circuit, generally place integrated circuit in check out test set through artifical direct, the artifical accurate position of adjusting integrated circuit that is difficult to, thereby can influence integrated circuit's detection effect, need certain check-out time when detecting integrated circuit simultaneously, and only can detect next integrated circuit after integrated circuit finishes detecting, thereby can great reduction integrated circuit's detection efficiency, integrated circuit that has detected still needs artifical manual rejection unqualified integrated circuit, thereby great promotion artificial work load.
Based on this, the invention designs an integrated circuit package testing device and a testing method to solve the above problems.
Disclosure of Invention
The present invention is directed to an integrated circuit package testing apparatus and method for solving the above-mentioned problems.
In order to achieve the purpose, the invention provides the following technical scheme: the integrated circuit packaging test device comprises a bottom plate, wherein conveying belts are symmetrically arranged at the left side and the right side of the upper side surface of the bottom plate and are in transmission connection with the bottom plate, and rotating shafts of the conveying belts at the left side and the right side are fixedly connected with each other; the surface of the bottom plate is fixedly connected with a motor, and the right end of an output shaft of the motor is fixedly connected with a rotating shaft at the rear side of the left conveyor belt; a plurality of supporting plates are uniformly arranged between the conveying belts on the left side and the right side, and the supporting plates are fixedly connected with the conveying belts on the left side and the right side at the same time; the upper surface of the supporting plate is provided with an integrated circuit body; the integrated circuit detection device comprises a support plate, a conveyor belt, a positioning mechanism and a detection mechanism, wherein the surface of the support plate is provided with the positioning mechanism, and the positioning mechanism is used for adjusting the integrated circuit body on the surface of the support plate to a detection position in the process that the conveyor belt drives the support plate to convey; the detection mechanism is arranged on the surface of the bottom plate and used for detecting the integrated circuit body regulated by the positioning mechanism under the condition that the conveyor belt does not stop; and a screening mechanism is arranged between the conveyor belts on the left side and the right side and is used for screening the integrated circuit bodies detected to have faults by the detection mechanism.
The positioning mechanism comprises two positioning frames which are distributed at the front side and the rear side of the supporting plate and are in sliding connection with the supporting plate; the surfaces of the positioning frames on the front side and the rear side, which are close to each other, are provided with first sliding grooves, positioning plates are connected in the first sliding grooves in a sliding manner, and the positioning plates are attached to the integrated circuit body; the middle part of the bottom surface of the supporting plate is rotatably connected with a turntable, the surface of the turntable is provided with two arc-shaped sliding grooves, the two arc-shaped sliding grooves penetrate through the turntable, and the two arc-shaped sliding grooves are distributed on the surface of the turntable in a circumferential array manner; the positioning frames on the front side and the rear side are respectively connected with the two arc-shaped sliding grooves in a sliding manner; the bottom side surface of the supporting plate is fixedly connected with a fixing plate, the bottom side surface of the fixing plate is rotatably connected with a first gear, and the first gear is fixedly connected with a rotary table; the left and right sides position is equipped with first mount between the conveyer belt, first mount surface is located the first rack of rear position fixedly connected with between the left and right sides conveyer belt, first rack and first gear engagement, the tooth quantity on first rack surface is the fourth of first gear surface tooth quantity.
The detection mechanism comprises a second fixing frame, the second fixing frame is fixedly connected with the bottom plate, the left side surface of the second fixing frame is rotatably connected with a rotating column, the surface of the rotating column is fixedly connected with two first telescopic rods, the other end of the surface of each first telescopic rod is rotatably connected with a rotating frame, and the bottom side surface of each rotating frame is fixedly connected with a detection probe; a limiting plate is fixedly connected to the left side surface of the second fixing frame, and the two first telescopic rods are attached to the surface of the limiting plate; a first spring is arranged in the first telescopic rod, and two ends of the first spring are respectively fixedly connected with two ends of the first telescopic rod; the surface of the fixing frame is provided with a driving mechanism, and the driving mechanism is used for driving the rotating column to rotate under the condition that the two detection probes are kept to face downwards.
The driving mechanism comprises a first synchronizing wheel, the first synchronizing wheel is fixedly connected with a rotating shaft at the rear side of the right conveyor belt, and a synchronous belt is arranged on the surface of the first synchronizing wheel; the surface of the second fixing frame is rotationally connected with a second synchronous wheel, the synchronous belt is simultaneously meshed with the first synchronous wheel and the second synchronous wheel, and the second synchronous wheel is fixedly connected with the rotating column; the left side surface of the second fixing frame is fixedly connected with a conical gear ring, and the conical gear ring is rotationally connected with the rotating column; the surface of the first telescopic rod is fixedly connected with a second telescopic rod, and two ends of the second telescopic rod are symmetrically and fixedly connected with first bevel gears; the bevel gear ring is meshed with one of the first bevel gears, the surface of the other first bevel gear is meshed with a second bevel gear, and the second bevel gear is fixedly connected with the rotating frame; the bevel gear ring and the second bevel gear are both positioned at the right side of the first bevel gear, and the diameters of the bevel gear ring, the first bevel gear and the second bevel gear are equal.
The screening mechanism comprises a ratchet wheel, the ratchet wheel is fixedly connected with the first gear, a pawl is meshed with the surface of the ratchet wheel, the pawl is connected with the fixed plate in a sliding mode, a second spring is sleeved on the surface of the pawl, one end of the second spring is fixedly connected with the pawl, and the other end of the second spring is fixedly connected with the fixed plate; a clamping block is fixedly connected to the surface of the pawl, a sliding frame is slidably connected to the surface of the fixing plate, the sliding frame is in clamping fit with the clamping block, a third spring is fixedly connected to the surface of the sliding frame, and the other end of the third spring is fixedly connected with the fixing plate; the surface of the rotary table is fixedly connected with a first torsion spring, and the other end of the first torsion spring is fixedly connected with the fixing plate; a first collecting frame and a second collecting frame are arranged on the upper side surface of the bottom plate and positioned between the left conveyor belt and the right conveyor belt, the first collecting frame is positioned at the front side of the second collecting frame, and the first collecting frame and the second collecting frame are both fixedly connected with the bottom plate; the surface of the first fixing frame is provided with a control mechanism, the control mechanism is used for driving the pawl corresponding to the qualified integrated circuit body to be separated from the ratchet wheel when the pawl is positioned at the upper side of the second collecting frame, and simultaneously driving the pawl corresponding to the unqualified integrated circuit body to be directly separated from the ratchet wheel.
The control mechanism comprises an air cylinder, the air cylinder is fixedly connected with the first fixing frame, and a push rod is fixedly connected to the upper end of the air cylinder; the surface of the clamping block is fixedly connected with a push plate, and the push rod is attached to the rear side surface of the push plate at the upper side; the surface of the first fixing frame is fixedly connected with a pushing frame, and the pushing frame is attached to the sliding frame at the bottom position; the first fixing frame is connected with a rotating rod in a surface rotating mode, the surface of the rotating rod is fixedly connected with a second torsion spring, the other end of the second torsion spring is fixedly connected with the first fixing frame, and the rotating rod is in contact with a push plate at the bottom position.
The bottom plate upside surface rear side position fixedly connected with third mount, third mount fixed surface is connected with the workbin, the workbin bottom position of going up is equipped with the discharge gate, the discharge gate is located upper portion rear side position between the left and right sides conveyer belt.
Threaded rods are symmetrically and rotatably connected to the left side and the right side of the surface of the positioning frame, the distance between the threaded rods on the left side and the right side is equal to the width of the positioning plate, the positioning plate is in threaded fit with the threaded rods, and the threaded rods do not have self-locking property; the left end and the right end of the threaded rod on the left side and the right side are respectively and fixedly connected with a second gear; the bottom plate surface is located the left and right sides conveyer belt rear side position fixedly connected with two arc racks, the second gear meshes with the arc rack.
A method for testing integrated circuit package comprises the following steps:
the method comprises the following steps: placing an integrated circuit body to be detected on the surface of a supporting plate, and then starting a motor to drive the conveying belts on the left side and the right side to operate;
step two: when the conveying belt drives the supporting plate to transmit forwards, the positioning mechanism automatically adjusts the integrated circuit body to the middle position of the surface of the supporting plate;
step three: when the conveying belt drives the integrated circuit body to be within the detection range of the conveying belt, the detection mechanism completes the detection of the integrated circuit body under the condition that the conveying belt does not stop;
step four: after the detection is finished, unqualified integrated circuit bodies can be distinguished from qualified integrated circuit bodies through the screening mechanism.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the integrated circuit body to be detected is placed on the surface of the supporting plate, then the motor is started, the motor drives the conveying belts on the left side and the right side to simultaneously transmit, the supporting plate can drive the integrated circuit body to forward transmit through the conveying belts on the left side and the right side, and when the integrated circuit body is forward transmitted, the integrated circuit body can be automatically adjusted to the detection position on the surface of the supporting plate through the positioning mechanism; after the integrated circuit body is adjusted to an accurate position by the positioning mechanism, the transmission belt drives the integrated circuit body to move to the range of the detection mechanism, the transmission belt drives the supporting plate to transmit forwards, and the detection mechanism can complete the detection of the integrated circuit body on the surface of the supporting plate under the condition that the supporting plate moves, so that the detection efficiency of the integrated circuit body can be effectively improved; after the detection mechanism finishes detecting the integrated circuit bodies, qualified integrated circuit bodies can be automatically distinguished from unqualified integrated circuit bodies through the screening mechanism, so that labor can be effectively saved; the device easy operation, convenient to use, can be automatic adjust accurate detection mechanism with the integrated circuit body to can effectual promotion integrated circuit body detect the precision, can carry out continuous detection to a plurality of integrated circuit bodies simultaneously under the driven circumstances of not stopping the conveyer belt, can promote the efficiency that the integrated circuit body detected, after detecting the completion, can be automatic distinguish qualified and unqualified integrated circuit body, can effectually use manpower sparingly.
2. When the integrated circuit body is placed on the surface of the supporting plate, when the integrated circuit body on the surface of the supporting plate is deviated to the left or the right, the detected probe is automatically pushed to the middle position during detection, and the inherited circuit body drives the positioning plate contacted with the inherited circuit body to slide in the first sliding groove when being pushed, so that the positioning plate is not positioned in the middle position in the first sliding groove; after the integrated circuit body falls, the backup pad can be driven by the conveyer belt and continue the transmission, can drive the second gear on its surface and follow the backup pad and remove during the backup pad transmission, when second gear and arc rack contact, the conveyer belt drives the backup pad and continues the transmission this moment, the second gear begins to drive rather than the threaded rod rotation of being connected under the effect of arc rack, can drive the locating plate and slide to the middle part position in first spout under the effect of threaded rod, thereby promotion that can be further is to the location effect of integrated circuit body.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic right side view of the present invention;
FIG. 4 is a schematic view of the split structure of the present invention;
FIG. 5 is an enlarged view of A in FIG. 4;
FIG. 6 is a schematic structural view of a detecting mechanism according to the present invention;
FIG. 7 is a schematic view of a sectional view of a portion of the first extendable rod of the present invention;
FIG. 8 is a schematic structural view of a positioning mechanism according to the present invention;
FIG. 9 is an enlarged view of B in FIG. 8;
FIG. 10 is a schematic view showing the structure of a conveyor belt according to the present invention;
FIG. 11 is an enlarged view of C in FIG. 10;
fig. 12 is a schematic structural view of a first fixing frame according to the present invention.
In the drawings, the reference numbers indicate the following list of parts:
1. a base plate; 2. a conveyor belt; 3. a motor; 4. a support plate; 5. an integrated circuit body; 6. a positioning frame; 7. a first chute; 8. positioning a plate; 9. a turntable; 10. an arc-shaped chute; 11. a fixing plate; 12. a first gear; 13. a first fixing frame; 14. a first rack; 15. a second fixing frame; 16. rotating the column; 17. a first telescopic rod; 18. a rotating frame; 19. detecting a probe; 20. a limiting plate; 21. a first spring; 22. a first synchronizing wheel; 23. a synchronous belt; 24. a second synchronizing wheel; 25. a conical gear ring; 26. a second telescopic rod; 27. a first bevel gear; 28. a second bevel gear; 29. a ratchet wheel; 30. a pawl; 31. a second spring; 32. a clamping block; 33. a carriage; 34. a third spring; 35. a first collection frame; 36. a second collection frame; 37. a cylinder; 38. a push rod; 39. pushing the plate; 40. pushing the frame; 41. a third fixing frame; 42. feeding a material box; 43. a discharge port; 44. a threaded rod; 45. a second gear; 46. an arc-shaped rack; 47. a first torsion spring; 48. rotating the rod; 49. a second torsion spring; 50. in that respect
Detailed Description
Referring to fig. 1-12, the present invention provides a technical solution: a testing device and a testing method for integrated circuit packaging comprise a bottom plate 1, wherein conveying belts 2 are symmetrically arranged at the left side and the right side of the upper side surface of the bottom plate 1, the conveying belts 2 are in transmission connection with the bottom plate 1, and rotating shafts of the conveying belts 2 at the left side and the right side are fixedly connected with each other; the surface of the bottom plate 1 is fixedly connected with a motor 3, and the right end of an output shaft of the motor 3 is fixedly connected with a rotating shaft at the rear position of the left conveyor belt 2; a plurality of support plates 4 are uniformly arranged between the left and right conveyor belts 2, and the support plates 4 are fixedly connected with the left and right conveyor belts 2 at the same time; the upper surface of the supporting plate 4 is provided with an integrated circuit body 5; the surface of the supporting plate 4 is provided with a positioning mechanism, and the positioning mechanism is used for adjusting the integrated circuit body 5 on the surface of the supporting plate 4 to a detection position in the process that the conveying belt 2 drives the supporting plate 4 to convey; the surface of the bottom plate 1 is provided with a detection mechanism which is used for detecting the integrated circuit body 5 regulated by the positioning mechanism under the condition that the conveyor belt 2 does not stop; a screening mechanism is arranged between the left and right conveyor belts 2 and is used for screening out the integrated circuit bodies 5 which are detected to have faults by the detection mechanism;
during working, because the integrated circuit has a plurality of pins, when detecting, a plurality of probes for detection are required to be in butt contact with the pins of the integrated circuit one by one, and then the integrated circuit can be detected, when detecting the integrated circuit, the integrated circuit is required to be adjusted to an accurate detection position to enable the probes for detection to be in contact with all the pins, when detecting the conventional inherited circuit, the integrated circuit is usually directly placed in detection equipment manually, the integrated circuit is difficult to be adjusted to an accurate position manually, so that the detection effect of the integrated circuit is influenced, meanwhile, certain detection time is required when detecting the integrated circuit, only after the integrated circuit is detected, the next integrated circuit can be detected, so that the detection efficiency of the integrated circuit is greatly reduced, the detected integrated circuit also needs to manually remove unqualified integrated circuits, and the workload of manual work is greatly improved; the device is characterized in that an integrated circuit body 5 to be detected is placed on the surface of a supporting plate 4, then a motor 3 is started, the motor 3 drives conveying belts 2 on the left side and the right side to simultaneously transmit, the supporting plate 4 drives the integrated circuit body 5 to forward transmit through the conveying belts on the left side and the right side, and when the integrated circuit body 5 is forward transmitted, the integrated circuit body 5 can be automatically adjusted to a detection position on the surface of the supporting plate 4 through a positioning mechanism; after the integrated circuit body 5 is adjusted to an accurate position by the positioning mechanism, the transmission belt drives the integrated circuit body 5 to move to the range of the detection mechanism, the transmission belt 2 drives the supporting plate 4 to transmit forwards, and the detection mechanism can complete the detection of the integrated circuit body 5 on the surface of the supporting plate 4 under the condition that the supporting plate 4 moves, so that the detection efficiency of the integrated circuit body 5 can be effectively improved; after the detection mechanism finishes detecting the integrated circuit bodies 5, qualified integrated circuit bodies 5 and unqualified integrated circuit bodies 5 can be automatically distinguished through the screening mechanism, so that labor can be effectively saved; the device easy operation, high durability and convenient use, can be automatic adjust integrated circuit body 5 to accurate detection mechanism, thereby can effectual promotion integrated circuit body 5 detect the precision, can carry out continuous detection to a plurality of integrated circuit bodies 5 under the 2 driven circumstances of conveyer belt that do not stop simultaneously, can promote the efficiency that integrated circuit body 5 detected, after detecting the completion, can be automatic distinguish qualified and unqualified integrated circuit body 5, can effectually use manpower sparingly.
As a further scheme of the invention, the positioning mechanism comprises two positioning frames 6, the two positioning frames 6 are distributed at the front side and the rear side of the supporting plate 4, and the two positioning frames 6 are both connected with the supporting plate 4 in a sliding way; the surfaces of the front and rear positioning frames 6 close to each other are provided with first sliding grooves 7, the first sliding grooves 7 are connected with positioning plates 8 in a sliding manner, and the positioning plates 8 are attached to the integrated circuit body 5; the middle position of the bottom side surface of the supporting plate 4 is rotatably connected with a turntable 9, two arc-shaped sliding grooves 10 are formed in the surface of the turntable 9, the two arc-shaped sliding grooves 10 penetrate through the turntable 9, and the two arc-shaped sliding grooves 10 are distributed on the surface of the turntable 9 in a circumferential array manner; the front and rear side positioning frames 6 are respectively connected with the two arc-shaped sliding chutes 10 in a sliding manner; the bottom surface of the supporting plate 4 is fixedly connected with a fixing plate 11, the bottom surface of the fixing plate 11 is rotatably connected with a first gear 12, and the first gear 12 is fixedly connected with the rotary table 9; a first fixing frame 13 is arranged between the left and right conveyor belts 2, a first rack 14 is fixedly connected to the surface of the first fixing frame 13 at the rear position between the left and right conveyor belts 2, the first rack 14 is meshed with the first gear 12, and the number of teeth on the surface of the first rack 14 is one fourth of the number of teeth on the surface of the first gear 12; when the integrated circuit body 5 needs to be detected, the conveyor belts 2 on the left side and the right side can drive the supporting plate 4 to convey forwards, the supporting plate 4 can drive the first gear 12 on the surface of the supporting plate to move forwards through the fixing plate 11, when the first gear 12 moves forwards to be in contact with the first rack 14, under the action of the first rack 14, the first gear 12 starts to rotate, the first gear 12 can drive the turntable 9 to rotate when rotating, the turntable 9 can drive the two arc-shaped chutes 10 on the surface of the turntable 9 to rotate, and the positioning frames 6 on the front side and the rear side of the supporting plate 4 can be driven to move towards the directions close to each other through the two arc-shaped chutes 10 on the surface of the turntable 9; when the supporting plate 4 drives the first gear 12 to move to a position separated from the first rack 14, at the moment, the first gear 12 and the rotary table 9 just rotate ninety degrees, the positioning frames 6 on the front side and the rear side drive the positioning plates 8 on the surfaces of the positioning frames to push the integrated circuit body 5 to the middle position of the supporting plate 4, so that the direct detection of the detection mechanism is facilitated.
As a further scheme of the invention, the detection mechanism comprises a second fixed frame 15, the second fixed frame 15 is fixedly connected with the bottom plate 1, the left side surface of the second fixed frame 15 is rotatably connected with a rotating column 16, the surface of the rotating column 16 is fixedly connected with two first telescopic rods 17, the other end of the surface of each first telescopic rod 17 is rotatably connected with a rotating frame 18, and the bottom side surface of each rotating frame 18 is fixedly connected with a detection probe 19; a limiting plate 20 is fixedly connected to the left side surface of the second fixing frame 15, and the two first telescopic rods 17 are attached to the surface of the limiting plate 20; a first spring 21 is arranged inside the first telescopic rod 17, and two ends of the first spring 21 are respectively fixedly connected with two ends of the first telescopic rod 17; the surface of the fixed frame is provided with a driving mechanism which is used for driving the rotating column 16 to rotate under the condition that the two detection probes 19 are kept facing downwards; when the integrated circuit testing device works, when the conveyor belt 2 drives the integrated circuit body 5 to move to a detection position, the driving mechanism is started, the driving mechanism can drive the rotating column 16 to rotate, the rotating column 16 can drive the two first telescopic rods 17 on the surface to rotate along with the rotating column 16, the first telescopic rods 17 can drive the rotating frame 18 and the detection probe 19 on the surface to rotate, and the detection probe 19 can be always kept in a downward state when the first telescopic rods 17 drive the detection probe 19 to rotate around the rotating column 16 through the driving mechanism; when first telescopic link 17 rotated to the position of contacting with limiting plate 20, test probe 19 contacted with the pin of the integrated circuit body 5 on backup pad 4 surface just this moment, and limiting plate 20 began to compress first telescopic link 17 simultaneously and makes test probe 19 can be at limiting plate 20 surface level keep with the forward movement of the state of integrated circuit body 5 contact to can reach under the condition of not stopping conveyer belt 2, accomplish the detection to integrated circuit body 5.
As a further scheme of the present invention, the driving mechanism includes a first synchronizing wheel 22, the first synchronizing wheel 22 is fixedly connected with a rotating shaft at the rear side position of the right side conveyor belt 2, and a synchronous belt 23 is arranged on the surface of the first synchronizing wheel 22; the surface of the second fixing frame 15 is rotationally connected with a second synchronous wheel 24, a synchronous belt 23 is simultaneously meshed with the first synchronous wheel 22 and the second synchronous wheel 24, and the second synchronous wheel 24 is fixedly connected with the rotating column 16; the left side surface of the second fixing frame 15 is fixedly connected with a bevel gear ring 25, and the bevel gear ring 25 is rotationally connected with the rotating column 16; the surface of the first telescopic rod 17 is fixedly connected with a second telescopic rod 26, and two ends of the second telescopic rod 26 are symmetrically and fixedly connected with first bevel gears 27; the bevel ring 25 is meshed with one first bevel gear 27, the other first bevel gear 27 is meshed with a second bevel gear 28 on the surface, and the second bevel gear 28 is fixedly connected with the rotating frame 18; the bevel gear ring 25 and the second bevel gear 28 are both positioned at the right side of the first bevel gear 27, and the diameters of the bevel gear ring 25, the first bevel gear 27 and the second bevel gear 28 are all equal; in operation, when the motor 3 drives the conveyor belt 2 to start transmission, the conveyor belt 2 on the right side drives the first synchronous wheel 22 to rotate, the first synchronous wheel 22 can drive the second synchronous wheel 24 to rotate through the synchronous belt 23, the second synchronous wheel 24 can drive the rotating column 16 to rotate when rotating, the two first telescopic rods 17 on the surface can be driven to rotate along with the rotating column 16 through the rotating column 16, the first telescopic rod 17 can drive the second telescopic rod 26 on the surface to rotate along with the first telescopic rod 17 when rotating along with the rotating column 16, the second telescopic rod 26 can drive the first bevel gear 27 on the surface to rotate around the bevel ring 25 when rotating along with the first telescopic rod 17, the first bevel gear 27 can drive the other first bevel gear 27 to rotate while rotating around the bevel ring 25, the other first bevel gear 27 can drive the second bevel gear 28 to rotate, the second bevel gear 28 drives the rotating rack 18 to rotate, and the rotating column 16 can keep the probe 19 in a downward state when the rotating column 16 and the rotating rack 18 are driven by the first telescopic rod 17.
As a further scheme of the present invention, the screening mechanism includes a ratchet wheel 29, the ratchet wheel 29 is fixedly connected with the first gear 12, a pawl 30 is engaged with the surface of the ratchet wheel 29, the pawl 30 is slidably connected with the fixed plate 11, a second spring 31 is sleeved on the surface of the pawl 30, one end of the second spring 31 is fixedly connected with the pawl 30, and the other end of the second spring 31 is fixedly connected with the fixed plate 11; a clamping block 32 is fixedly connected to the surface of the pawl 30, a sliding frame 33 is slidably connected to the surface of the fixing plate 11, the sliding frame 33 is in clamping fit with the clamping block 32, a third spring 34 is fixedly connected to the surface of the sliding frame 33, and the other end of the third spring 34 is fixedly connected with the fixing plate 11; the surface of the rotary table 9 is fixedly connected with a first torsion spring 47, and the other end of the first torsion spring 47 is fixedly connected with the fixing plate 11; a first collecting frame 35 and a second collecting frame 36 are arranged on the upper side surface of the bottom plate 1 and positioned between the left and right conveyor belts 2, the first collecting frame 35 is positioned at the front side of the second collecting frame 36, and the first collecting frame 35 and the second collecting frame 36 are fixedly connected with the bottom plate 1; the surface of the first fixing frame 13 is provided with a control mechanism, the control mechanism is used for driving the pawl 30 corresponding to the qualified integrated circuit body 5 to be separated from the ratchet wheel 29 when the pawl 30 is positioned at the upper side of the second collecting frame 36, and simultaneously driving the pawl 30 corresponding to the unqualified integrated circuit body 5 to be directly separated from the ratchet wheel 29; when the integrated circuit detecting device works, when the first gear 12 drives the turntable 9 to rotate under the action of the first rack 14, the first gear 12 can also drive the ratchet wheel 29 to rotate, when the first gear 12 is separated from the first rack 14, the ratchet wheel 29 cannot reset under the action of the pawl 30, so that the two positioning plates 8 can keep a state of clamping the integrated circuit body 5, and when the detecting probe 19 moves downwards, the integrated circuit body 5 is pushed to drive the positioning plates 8 at the front side and the rear side to slide in the first sliding groove 7, so that the integrated circuit body 5 can be automatically adjusted to a central position; after the detection mechanism finishes detecting the integrated circuit, if the detected integrated circuit body 5 is unqualified, the control mechanism drives the pawl 30 corresponding to the integrated circuit body 5 to be separated from the ratchet wheel 29, when the pawl 30 is separated from the ratchet wheel 29, the turntable 9 resets under the action of the first torsion spring 47, the positioning frames 6 on the front side and the rear side can be driven to reset when the turntable 9 resets, the positioning plates 8 on the front side and the rear side can be driven to be separated from the integrated circuit body 5 when the positioning frames 6 reset, the conveyor belt 2 drives the support plate 4 to continue to move along the track of the conveyor belt 2, when the support plate 4 moves to the front position of the conveyor belt 2 and starts to move downwards, the unqualified inherited circuit body directly falls into the first collection frame 35, the qualified integrated circuit body 5 is clamped by the positioning plates 8 to continue to be driven, and when the qualified integrated circuit body 5 is driven to the upper side position of the second collection frame 36, the control mechanism controls the pawl 30 corresponding to be separated from the ratchet wheel 29 corresponding to the integrated circuit body 5, and accordingly the qualified integrated circuit body can directly fall into the second collection frame 36.
As a further scheme of the invention, the control mechanism comprises an air cylinder 37, the air cylinder 37 is fixedly connected with the first fixing frame 13, and the upper end of the air cylinder 37 is fixedly connected with a push rod 38; the surface of the clamping block 32 is fixedly connected with a push plate 39, and the push rod 38 is attached to the rear side surface of the push plate 39 at the upper side; the surface of the first fixed frame 13 is fixedly connected with a pushing frame 40, and the pushing frame 40 is attached to the sliding frame 33 at the bottom position; a rotating rod 48 is rotatably connected to the surface of the first fixing frame 13, a second torsion spring 49 is fixedly connected to the surface of the rotating rod 48, the other end of the second torsion spring 49 is fixedly connected with the first fixing frame 13, and the rotating rod 48 is in contact with the push plate 39 at the bottom; during operation, when the integrated circuit body 5 detected by the detection mechanism is unqualified, the air cylinder 37 is started at this time, the air cylinder 37 pushes the push rod 38 to move upwards, the push rod 38 can block the push plate 39 when moving upwards, when the push plate 39 is blocked, the conveyor belt 2 drives the support plate 4 to continue to transmit forwards at this time, the push plate 39 can move backwards relative to the fixed plate 11 under the action of the push rod 38, at this time, the push plate 39 can drive the fixture block 32 and the pawl 30 to move backwards relative to the fixed plate 11, when the fixture block 32 moves to a position in contact with the sliding frame 33, the sliding frame 33 can be extruded upwards, when the sliding frame 33 is extruded to a certain extent upwards, the sliding frame 33 can move to a position in front of the fixture block 32, at this time, the sliding frame 33 resets under the action of the third spring 34 to clamp the fixture block 32, at this time, the air cylinder 37 is controlled to drive the push rod 38 to reset, the conveyor belt 2 can normally drive the support plate 4 to continue to transmit, when the support plate 4 is driven to a position in front of the conveyor belt 2, the unqualified integrated circuit body 5 can directly fall into the first collection frame 35, at this time, the conveyor belt 2 drives the support plate 4 to continue to transmit, when the surface of the support plate 4 can continue to push the second support frame 33 to push the second rack 40, and push the second rack 31, when the second rack 31, the rack 33 can continue to push the second rack 31; when the integrated circuit body 5 detected by the detection mechanism is qualified, the air cylinder 37 is kept still, the conveyor belt 2 drives the support plate 4 to normally transmit, and the two positioning plates 8 are also kept in a state of clamping the integrated circuit body 5; when the conveyor belt 2 drives the supporting plate 4 to transmit to the upper side position of the second collecting frame 36, the pushing plate 39 on the surface of the supporting plate 4 is blocked by the rotating rod 48, and the pawl 30 on the surface of the supporting plate 4 is separated from the ratchet wheel 29 under the action of the rotating rod 48 and the second torsion spring 49, so that the qualified integrated circuit body 5 falls in the second collecting frame 36, and when the conveyor belt 2 drives the supporting plate 4 to continue to transmit, the pushing plate 39 is separated from the rotating rod 48.
As a further scheme of the invention, a third fixing frame 41 is fixedly connected to the rear side position of the upper side surface of the bottom plate 1, an upper material box 42 is fixedly connected to the surface of the third fixing frame 41, a material outlet 43 is arranged at the bottom position of the upper material box 42, and the material outlet 43 is positioned at the rear side position of the upper part between the left and right conveyor belts 2; in operation, when the inheriting circuit body of the surface of the support plate 4 after being detected falls into the first collecting frame 35 or the second collecting frame 36, the conveyor belt 2 drives the support plate 4 to continue transmission, and when the support plate 4 is transmitted to the bottom position of the discharge hole 43, the feeding box 42 is controlled to directly discharge the integrated circuit body 5 to be detected to the surface of the support plate 4 through the discharge hole 43.
As a further scheme of the invention, the left side and the right side of the surface of the positioning frame 6 are symmetrically and rotatably connected with threaded rods 44, the distance between the left side threaded rod 44 and the right side threaded rod 44 is equal to the width of the positioning plate 8, the positioning plate 8 is in threaded fit with the threaded rods 44, and the threaded rods 44 do not have self-locking property; the left end and the right end of the threaded rod 44 on the left side and the right side are respectively and fixedly connected with a second gear 45; two arc-shaped racks 46 are fixedly connected to the surface of the bottom plate 1 at the rear positions of the left and right conveyor belts 2, and the second gear 45 is meshed with the arc-shaped racks 46; when the integrated circuit detection device works, when the integrated circuit body 5 falling on the surface of the supporting plate 4 inclines to the left or the right, the detected probe 19 is automatically pushed to the middle position during detection, and the inherited circuit body drives the positioning plate 8 in contact with the inherited circuit body to slide in the first sliding groove 7 when pushed, so that the positioning plate 8 cannot be positioned in the middle position in the first sliding groove 7; after integrated circuit body 5 falls, backup pad 4 can be driven by conveyer belt 2 and continue the transmission, can drive second gear 45 on its surface and follow backup pad 4 and remove during backup pad 4 transmission, when second gear 45 and arc rack 46 contact, conveyer belt 2 drives backup pad 4 and continues the transmission this moment, second gear 45 begins to drive the threaded rod 44 of being connected with it and rotates under arc rack 46's effect, can drive locating plate 8 and slide to the middle part position in first spout 7 under threaded rod 44's effect, thereby can further promote the location effect to integrated circuit body 5.
As a further aspect of the present invention, a method for testing an integrated circuit package, the method comprises the following steps:
the method comprises the following steps: placing an integrated circuit body 5 to be detected on the surface of a supporting plate 4, and then starting a motor 3 to drive the conveying belts 2 on the left side and the right side to operate;
step two: when the conveyor belt 2 drives the support plate 4 to transmit forwards, the positioning mechanism automatically adjusts the integrated circuit body 5 to the middle position of the surface of the support plate 4;
step three: when the conveyor belt 2 drives the integrated circuit body 5 to be within the detection range of the conveyor belt, the detection mechanism completes the detection of the integrated circuit body 5 under the condition that the conveyor belt 2 does not stop;
step four: after the detection is completed, the unqualified integrated circuit bodies 5 can be distinguished from the qualified integrated circuit bodies 5 through the screening mechanism.
Claims (9)
1. An integrated circuit package testing device, comprising a base plate (1), characterized in that: the left side and the right side of the upper side surface of the bottom plate (1) are symmetrically provided with the conveyor belts (2), the conveyor belts (2) are in transmission connection with the bottom plate (1), and rotating shafts of the conveyor belts (2) on the left side and the right side are fixedly connected with each other; the surface of the bottom plate (1) is fixedly connected with a motor (3), and the right end of an output shaft of the motor (3) is fixedly connected with a rotating shaft at the rear side of the left conveyor belt (2); a plurality of supporting plates (4) are uniformly arranged between the left and right conveying belts (2), and the supporting plates (4) are fixedly connected with the left and right conveying belts (2) at the same time; the upper surface of the supporting plate (4) is provided with an integrated circuit body (5); the surface of the supporting plate (4) is provided with a positioning mechanism, and the positioning mechanism is used for adjusting the integrated circuit body (5) on the surface of the supporting plate (4) to a detection position in the process that the conveying belt (2) drives the supporting plate (4) to convey; the surface of the bottom plate (1) is provided with a detection mechanism, and the detection mechanism is used for detecting the integrated circuit body (5) regulated by the positioning mechanism under the condition that the conveyor belt (2) does not stop; and a screening mechanism is arranged between the left and right conveyor belts (2) and is used for screening out the integrated circuit body (5) which is detected to have a fault by the detection mechanism.
2. The integrated circuit package testing device of claim 1, wherein: the positioning mechanism comprises two positioning frames (6), the two positioning frames (6) are distributed at the front side and the rear side of the supporting plate (4), and the two positioning frames (6) are connected with the supporting plate (4) in a sliding manner; one ends of the surfaces of the positioning frames (6) at the front side and the rear side, which are close to each other, are respectively provided with a first sliding chute (7), the first sliding chutes (7) are connected with positioning plates (8) in a sliding manner, and the positioning plates (8) are attached to the integrated circuit body (5); the middle position of the bottom side surface of the supporting plate (4) is rotatably connected with a turntable (9), two arc-shaped sliding grooves (10) are formed in the surface of the turntable (9), the two arc-shaped sliding grooves (10) penetrate through the turntable (9), and the two arc-shaped sliding grooves (10) are distributed on the surface of the turntable (9) in a circumferential array manner; the positioning frames (6) on the front side and the rear side are respectively connected with the two arc-shaped sliding chutes (10) in a sliding manner; the bottom side surface of the supporting plate (4) is fixedly connected with a fixing plate (11), the bottom side surface of the fixing plate (11) is rotatably connected with a first gear (12), and the first gear (12) is fixedly connected with the turntable (9); the left and right sides position is equipped with first mount (13) between conveyer belt (2), first mount (13) surface is located first rack (14) of rear side position fixedly connected with between left and right sides conveyer belt (2), first rack (14) and first gear (12) meshing, the tooth quantity on first rack (14) surface is the fourth of first gear (12) surperficial tooth quantity.
3. The integrated circuit package testing device of claim 1, wherein: the detection mechanism comprises a second fixed frame (15), the second fixed frame (15) is fixedly connected with the bottom plate (1), the left side surface of the second fixed frame (15) is rotatably connected with a rotating column (16), the surface of the rotating column (16) is fixedly connected with two first telescopic rods (17), the other end of the surface of each first telescopic rod (17) is rotatably connected with a rotating frame (18), and the bottom side surface of each rotating frame (18) is fixedly connected with a detection probe (19); a limiting plate (20) is fixedly connected to the left side surface of the second fixing frame (15), and the two first telescopic rods (17) are attached to the surface of the limiting plate (20); a first spring (21) is arranged inside the first telescopic rod (17), and two ends of the first spring (21) are respectively fixedly connected with two ends of the first telescopic rod (17); the surface of the fixing frame is provided with a driving mechanism which is used for driving the rotating column (16) to rotate under the condition that the two detection probes (19) are kept to face downwards.
4. The integrated circuit package testing device of claim 3, wherein: the driving mechanism comprises a first synchronizing wheel (22), the first synchronizing wheel (22) is fixedly connected with a rotating shaft at the rear side of the right conveyor belt (2), and a synchronous belt (23) is arranged on the surface of the first synchronizing wheel (22); the surface of the second fixing frame (15) is rotationally connected with a second synchronous wheel (24), the synchronous belt (23) is simultaneously meshed with the first synchronous wheel (22) and the second synchronous wheel (24), and the second synchronous wheel (24) is fixedly connected with the rotating column (16); the left side surface of the second fixing frame (15) is fixedly connected with a conical gear ring (25), and the conical gear ring (25) is rotationally connected with the rotating column (16); a second telescopic rod (26) is fixedly connected to the surface of the first telescopic rod (17), and first bevel gears (27) are symmetrically and fixedly connected to two ends of the second telescopic rod (26); the bevel gear ring (25) is meshed with one first bevel gear (27) and the other first bevel gear (27) is meshed with a second bevel gear (28) on the surface, and the second bevel gear (28) is fixedly connected with the rotating frame (18); the bevel gear ring (25) and the second bevel gear (28) are located at the right side of the first bevel gear (27), and the diameters of the bevel gear ring (25), the first bevel gear (27) and the second bevel gear (28) are equal.
5. The integrated circuit package testing device of claim 2, wherein: the screening mechanism comprises a ratchet wheel (29), the ratchet wheel (29) is fixedly connected with the first gear (12), a pawl (30) is meshed with the surface of the ratchet wheel (29), the pawl (30) is connected with the fixing plate (11) in a sliding mode, a second spring (31) is sleeved on the surface of the pawl (30), one end of the second spring (31) is fixedly connected with the pawl (30), and the other end of the second spring (31) is fixedly connected with the fixing plate (11); a clamping block (32) is fixedly connected to the surface of the pawl (30), a sliding frame (33) is slidably connected to the surface of the fixing plate (11), the sliding frame (33) is in clamping fit with the clamping block (32), a third spring (34) is fixedly connected to the surface of the sliding frame (33), and the other end of the third spring (34) is fixedly connected with the fixing plate (11); the surface of the rotary table (9) is fixedly connected with a first torsion spring (47), and the other end of the first torsion spring (47) is fixedly connected with the fixing plate (11); a first collecting frame (35) and a second collecting frame (36) are arranged on the upper side surface of the bottom plate (1) and positioned between the left and right conveyor belts (2), the first collecting frame (35) is positioned at the front side of the second collecting frame (36), and the first collecting frame (35) and the second collecting frame (36) are fixedly connected with the bottom plate (1); the surface of the first fixing frame (13) is provided with a control mechanism, the control mechanism is used for driving the pawl (30) corresponding to the qualified integrated circuit body (5) to be separated from the ratchet wheel (29) when the pawl is positioned at the upper side of the second collecting frame (36), and simultaneously driving the pawl (30) corresponding to the unqualified integrated circuit body (5) to be directly separated from the ratchet wheel (29).
6. The integrated circuit package testing device of claim 5, wherein: the control mechanism comprises an air cylinder (37), the air cylinder (37) is fixedly connected with the first fixing frame (13), and the upper end of the air cylinder (37) is fixedly connected with a push rod (38); the surface of the clamping block (32) is fixedly connected with a push plate (39), and the push rod (38) is attached to the rear side surface of the push plate (39) at the upper side; the surface of the first fixing frame (13) is fixedly connected with a pushing frame (40), and the pushing frame (40) is attached to a sliding frame (33) at the bottom; first mount (13) surface rotation is connected with dwang (48), dwang (48) fixed surface is connected with second torsional spring (49), the second torsional spring (49) other end and first mount (13) fixed connection, dwang (48) contact with push pedal (39) of bottom position.
7. The integrated circuit package testing device of claim 1, wherein: bottom plate (1) upside surface rear side position fixedly connected with third mount (41), third mount (41) fixed surface is connected with and goes up workbin (42), it is equipped with discharge gate (43) to go up workbin (42) bottom position, discharge gate (43) are located upper portion rear side position between left and right sides conveyer belt (2).
8. The integrated circuit package testing device of claim 2, wherein: threaded rods (44) are symmetrically and rotatably connected to the left side and the right side of the surface of the positioning frame (6), the distance between the threaded rods (44) on the left side and the right side is equal to the width of the positioning plate (8), the positioning plate (8) is in threaded fit with the threaded rods (44), and the threaded rods (44) do not have self-locking performance; the left end and the right end of the threaded rod (44) on the left side and the right side are respectively and fixedly connected with a second gear (45); the bottom plate (1) surface is located left and right sides conveyer belt (2) rear side position fixedly connected with two arc rack (46), second gear (45) and arc rack (46) meshing.
9. An integrated circuit package testing method, adapted to the integrated circuit package testing apparatus of any one of claims 1 to 8, wherein: the method comprises the following specific steps:
the method comprises the following steps: placing an integrated circuit body (5) to be detected on the surface of a supporting plate (4), and then starting a motor (3) to drive the conveying belts (2) on the left side and the right side to operate;
step two: when the conveyor belt (2) drives the support plate (4) to transmit forwards, the positioning mechanism automatically adjusts the integrated circuit body (5) to the middle position of the surface of the support plate (4);
step three: when the conveyor belt (2) drives the integrated circuit body (5) to be within the detection range of the conveyor belt, the detection mechanism completes the detection of the integrated circuit body (5) under the condition that the conveyor belt (2) does not stop;
step four: after the detection is finished, the unqualified integrated circuit bodies (5) can be distinguished from the qualified integrated circuit bodies (5) through the screening mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210691040.XA CN115201659A (en) | 2022-06-18 | 2022-06-18 | Integrated circuit packaging test device and test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210691040.XA CN115201659A (en) | 2022-06-18 | 2022-06-18 | Integrated circuit packaging test device and test method |
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| CN115201659A true CN115201659A (en) | 2022-10-18 |
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| CN202210691040.XA Pending CN115201659A (en) | 2022-06-18 | 2022-06-18 | Integrated circuit packaging test device and test method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117347829A (en) * | 2023-10-16 | 2024-01-05 | 青岛舒元日佳电子科技有限公司 | Integrated circuit board power supply path detection device |
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2022
- 2022-06-18 CN CN202210691040.XA patent/CN115201659A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117347829A (en) * | 2023-10-16 | 2024-01-05 | 青岛舒元日佳电子科技有限公司 | Integrated circuit board power supply path detection device |
| CN117347829B (en) * | 2023-10-16 | 2024-02-27 | 青岛舒元日佳电子科技有限公司 | Integrated circuit board power supply path detection device |
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