CN114130715B - Performance detection method of crystal oscillator - Google Patents
Performance detection method of crystal oscillator Download PDFInfo
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- CN114130715B CN114130715B CN202111339990.8A CN202111339990A CN114130715B CN 114130715 B CN114130715 B CN 114130715B CN 202111339990 A CN202111339990 A CN 202111339990A CN 114130715 B CN114130715 B CN 114130715B
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- crystal oscillator
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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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- 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
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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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
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
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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
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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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
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
The invention discloses a performance detection method of a crystal oscillator, which comprises the following steps: (a) a clip; (b) transferring; (c) detecting; (d) operate one by one. The invention has the advantages of orderly steps, no mutual interference, automation, high efficiency, one by one investigation, difficult error, labor saving, convenience, labor saving, reduced labor intensity and cost, effective fixation of the crystal oscillator and continuous detection.
Description
Technical Field
The invention belongs to the technical field of crystal oscillator testing, and particularly relates to a performance detection method of a crystal oscillator.
Background
The crystal oscillator is often used as a time-frequency reference due to its good frequency characteristics, and is widely used in communication, radar, navigation, guidance, and other systems.
In order to ensure the use effect of the crystal oscillator, in the process of putting the crystal oscillator into production, the performance of the crystal oscillator needs to be detected, for example, whether the test voltage is stable or not, a detection device is adopted to be matched with manual auxiliary operation in the prior art, a worker fixes the crystal oscillator on a clamp of a detection table, after the detection is finished, the clamp is unfastened to take away the crystal oscillator, the operation is complex, the detection efficiency is low, the manual labor intensity is high, the requirement of mass detection cannot be met, the opening and closing operation of the clamp is relatively laborious, and the fastening effect can be influenced due to the fact that the operation is not in place; some adopt manipulator cooperation transfer chain work, snatch unqualified product through the manipulator, but area is big, and the use cost of equipment is high.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provide a performance detection method of a crystal oscillator, which is orderly arranged in steps, is not mutually interfered, is automatic and efficient, is not easy to make mistakes, saves labor and is convenient, reduces the labor intensity and the cost, effectively fixes the crystal oscillator, and can perform continuous detection work.
In order to solve the technical problems, the invention adopts the following technical scheme:
the performance detection method of the crystal oscillator is characterized by comprising the following steps:
(a) And (3) wrapping:
(1) inverting the crystal oscillator to enable the electrode of the crystal oscillator to face upwards, and wrapping and fixing the envelope of the crystal oscillator by adopting a clamp;
(2) the control host controls the starting of the driving cylinder, and the driving cylinder drives the supporting block to ascend and pass through the fixed opening of the object placing disc on the workbench, so that the supporting block is higher than the surface of the object placing disc;
(3) sleeving a sleeve groove at the bottom of the clamp on the supporting block, so that the clamp is temporarily limited on the supporting block, and arranging the clamp on the object placing disc is completed;
(b) And (3) transferring:
(1) the control host controls the driving motor to start, the driving motor drives the turntable to rotate, the fixed arm rotates along with the turntable, when a driving pin on the fixed arm enters a first strip-shaped open slot of a driven disc on the workbench, the driven disc is driven to rotate, the stop disc and the object placing disc rotate along with the driven disc, and a stop semicircular head of an elastic stop assembly on the fixed support is contacted with the outer circumferential wall of the stop disc;
(2) then the driving pin leaves the strip-shaped open slot, the driven disc stops rotating, the object placing disc also stops rotating, the first clamp reaches a detection position, the stop semicircular head meets the first semicircular open slot on the stop disc, the stop semicircular head stretches into the semicircular open slot under the elastic action of the elastic stop assembly to stop the stop disc from rotating, and the first cam on the stop disc contacts with the fixed pin on the stop semicircular head;
(c) And (3) detection: when the first clamp reaches the detection position, the photoelectric switch senses the clamp and sends a signal to the control host, the control host controls the first travel cylinder to start, the first travel cylinder drives the detection head to descend, the detection head touches an electrode of the crystal oscillator to detect, the control host acquires a detected voltage value, the data is compared with a data range preset by the system, the quality grade of the crystal oscillator is judged, the detection data does not fall in the data range preset by the system, and the quality grade is judged to be a defective product;
(d) The following operations are carried out:
(1) the driving pin enters the second strip-shaped open slot along with the rotation of the turntable, and continuously drives the driven disc to rotate, at the moment, the first cam outwards pushes the fixed pin, so that the stop semicircular head leaves the first semicircular open slot and does not stop the rotation of the stop disc until the first cam is not contacted with the fixed pin any more, and under the action of elasticity, the stop semicircular head is contacted with the outer circumferential wall of the stop disc again, and the object placing disc continuously rotates;
(2) and then the driving pin leaves the second strip-shaped open slot, the driven disc stops rotating, the object placing disc also stops rotating, and the second clamp reaches the detection position to detect the crystal oscillator on the clamp.
Further, the specific method of clamping the crystal oscillator by the clamp in the step (a) is as follows: (1) firstly embedding an envelope of a crystal oscillator into a mounting groove on a lower base, so that the crystal oscillator is inverted on the lower base; (2) inserting a positioning column on the bottom surface of a pressing plate into a positioning concave hole on a lower base, limiting the pressing plate on the lower base, pressing an envelope of the crystal oscillator through the pressing plate, and enabling an electrode of the crystal oscillator to pass through a fixing through hole on the pressing plate; (3) the upper cover plate is turned over, so that the limiting groove on the bottom surface of the upper cover plate is sleeved with the pressing plate, and then the ring buckle on the base on the side surface of the upper cover plate is turned down, so that the ring buckle is sleeved with the fixing block on the side surface of the lower base, and the upper cover plate is attached to the lower base.
Further, anchor clamps include lower base, clamp plate and upper cover plate, lower base rotates and connects the upper cover plate, the upper cover plate presses the clamp plate on lower base, be equipped with locking Assembly between upper cover plate and the lower base, locking Assembly includes the base, latch closure and fixed block, the base is located on the upper cover plate, the fixed block is located on lower base, the base rotates and connects the latch closure, the latch closure entangles the fixed block in order to restrict upper cover plate free rotation, latch closure and fixed block in close contact, unable free rotation is opened for upper cover plate and lower base closely laminate, the clamp plate is pushed down to the upper cover plate, the clamp plate is pressed the cover of crystal oscillator and is fixed on lower base, restriction crystal oscillator free rocking, it is reliable to press from both sides the solid, easy operation, it is laborsaving convenient.
Furthermore, the lower base is provided with a mounting groove and a positioning concave hole, the mounting groove is used for embedding an envelope of the crystal oscillator, so that the contact area between the lower base and the crystal oscillator is increased, stable mounting of the crystal oscillator on the lower base is realized, and free sliding is not easy; the positioning columns and the fixing through holes are formed in the pressing plate, and the positioning columns correspond to the positioning concave holes, so that the pressing plate can be quickly installed and positioned on the lower base, and the assembly difficulty is reduced; the fixed through hole is used for the electrode of the crystal oscillator to pass through, and the bottom surface of the upper cover plate is provided with a limit groove corresponding to the pressing plate, so that the contact area between the upper cover plate and the pressing plate is increased, the pressing plate is limited to freely move, the installation stability is improved, the limit groove is provided with a fixed slot, and the bottom surface of the lower base is provided with a sleeve slot.
Further, be equipped with fixed draw-in groove on the bottom surface of clamp plate, fixed draw-in groove is used for the cover of entangling crystal oscillator, and fixed through-hole runs through fixed draw-in groove, has increased the area of contact of clamp plate and crystal oscillator, and clamp the cover of crystal oscillator with lower base cooperation jointly, and crystal oscillator can't free activity, and the reliability is high.
Further, the specific method for removing the unqualified products is also included in the step (c): (1) the control host controls the first travel cylinder to retract, and simultaneously controls the driving cylinder to retract, the driving cylinder drives the supporting block to descend, the clamp descends, the supporting block retreats into a fixed opening on the object placing disc, and the clamp falls on the object placing disc; (2) the control host drives the second stroke cylinder to start, and the second stroke cylinder drives the push pedal to stretch out, pushes the anchor clamps to the blanking mouth, and anchor clamps fall from the blanking mouth, get into in the collection box, collect the defective products through the collection box.
Further, a rotating shaft, a collecting box, a driving motor, a fixing support and a mounting support are arranged on the workbench in the step (a), a driven disc, a stop disc and a storage disc are sequentially arranged on the rotating shaft from bottom to top, the driving motor is connected with a rotary disc, a fixing arm is arranged on the rotary disc, driving pins are arranged on the fixing arm, strip-shaped open slots corresponding to the driving pins are uniformly distributed on the driven disc, semicircular open slots and cams are uniformly distributed on the stop disc, an elastic stop assembly is arranged on the fixing support, one end of the elastic stop assembly stretches into the semicircular open slots to limit the stop disc to rotate, the cams correspond to the semicircular open slots one by one, and long and narrow ends of the cams are close to the semicircular open slots; the material placing tray is uniformly provided with blanking openings and fixed holes, the blanking openings are in one-to-one correspondence with the fixed holes, the bottom surface of the material placing tray is provided with a driving cylinder, one end of the driving cylinder is provided with a supporting block, and the fixed holes are used for the supporting block to pass through; be equipped with voltmeter, photoelectric switch, control host computer, first stroke cylinder and second stroke cylinder on the installing support, second stroke cylinder level sets up, and first stroke cylinder sets up vertically, and the one end of second stroke cylinder is equipped with the push pedal, and the lower extreme of first stroke cylinder is equipped with the detection head, detects head electric connection voltmeter, control host computer electric connection photoelectric switch, voltmeter, first stroke cylinder, second stroke cylinder and actuating cylinder.
Further, the elastic stop assembly comprises a mounting block, a spring and a stop semicircular head, the spring is arranged between the stop semicircular head and the mounting block, the mounting block is arranged on the fixed support, the stop semicircular head stretches into the semicircular open groove to limit the rotation of the stop disc, the stop disc is prevented from rotating due to inertia action or external force collision or wind force action, the influence on the detection procedure caused by deviation of a crystal oscillator on the clamp from an expected detection position is avoided, and the continuous progress of the detection procedure is ensured; the fixed pin is arranged on the stop semicircular head, the cam pushes the fixed pin outwards along with the rotation of the stop disc, so that the stop semicircular head leaves the semicircular open slot, the cooperation is ingenious, the degree of automation is high, labor is saved, convenience is brought, the stop semicircular head is not required to be driven to enter and exit the semicircular open slot by other push-pull equipment, and the cost is reduced.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the fixture is simple to open and close, the operation difficulty is low, labor is saved, the fixing block is sleeved by the ring buckle to limit the upper cover plate to freely rotate, the ring buckle is in close contact with the fixing block and cannot freely rotate to open, the upper cover plate is tightly attached to the lower base, the pressing plate is pressed by the upper cover plate, the envelope of the crystal oscillator is pressed and fixed on the lower base by the pressing plate, the crystal oscillator is limited to freely shake, the detection result is prevented from being influenced, and the normal operation of the detection procedure is ensured.
The rotation of the turntable drives the driven disc to intermittently rotate through the driving pin, the object placing disc rotates intermittently, the clamp is sent to the detection position one by one, the locking disc and the elastic locking assembly are in ingenious matching, the locking semicircular head blocks the locking disc from rotating, the locking disc is prevented from rotating due to inertia action or external force collision or wind force action, the phenomenon that a crystal oscillator on the clamp deviates from an expected detection position to influence a detection procedure is avoided, the continuous operation of the detection procedure is ensured, the locking semicircular head is not required to be driven to enter and exit a semicircular open slot by other push-pull equipment, and the cost is reduced; in the dead period of the object placing disc, the crystal oscillator is detected, the time is reasonably used, the equipment is not required to be stopped, the automatic and efficient operation is realized, labor is saved, the control intensity is reduced, unqualified products are automatically removed, the unqualified products are uniformly collected through the collecting box, finally the crystal oscillator left on the rotating disc is qualified, the steps are orderly carried out front and back, the degree of automation is high, the manual supervision detection process is omitted, the unqualified products are taken away or registered, and the like.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a detecting device for detecting the performance of a crystal oscillator according to the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in the bottom view;
FIG. 3 is a schematic view of the structure of the connection of the tray and the clamp in the present invention;
FIG. 4 is a schematic view of the connection between the clamp and the actuating cylinder according to the present invention;
FIG. 5 is a schematic view of the structure of the clamp according to the present invention;
FIG. 6 is a schematic view of a platen according to the present invention;
FIG. 7 is a schematic view of the connection of the elastic stop assembly and the stop disc of the present invention;
FIG. 8 is a schematic view of the connection of a turntable and a driven disk according to the present invention;
fig. 9 is a schematic structural view of a mounting bracket according to the present invention.
In the figure: 1-a workbench; 2-rotating shaft; 3-a collection box; 4-driving a motor; 5-fixing a bracket; 6-mounting a bracket; 7-a driven disc; 8-a stop disc; 9-placing a tray; 10-a turntable; 11-a fixed arm; 12-driving pins; 13-a strip-shaped open slot; 14-semicircular open grooves; 15-a cam; 16-an elastic stop assembly; 17-mounting blocks; 18-a spring; 19-stop half-round head; 20-fixing pins; 21-a blanking port; 22-fixing the opening; 23-driving a cylinder; 24-supporting blocks; 25-photoelectric switch; 26-a control host; 27-a first stroke cylinder; 28-a second stroke cylinder; 29-pushing plate; 30-voltmeter; 31-a detection head; 32-electrodes; 33-envelope; 34-a clamp; 35-a lower base; 36-pressing plate; 37-upper cover plate; 38-a base; 39-ring buckle; 40-positioning columns; 41-fixing through holes; 42-mounting grooves; 43-positioning concave holes; 44-limit grooves; 45-fixing and slotting; 46-sleeve grooves; 47-fixing the clamping groove; 48-fixed block.
Detailed Description
As shown in fig. 1 to 9, the detecting device for detecting the performance of the crystal oscillator in the invention comprises a workbench 1, wherein a rotating shaft 2, a collecting box 3, a driving motor 4, a fixed support 5 and a mounting support 6 are arranged on the workbench 1, a driven disc 7, a stop disc 8 and a storage disc 9 are sequentially arranged on the rotating shaft 2 from bottom to top, the driving motor 4 is connected with a rotary disc 10, a fixed arm 11 is arranged on the rotary disc 10, a driving pin 12 is arranged on the fixed arm 11, strip-shaped open slots 13 corresponding to the driving pin 12 are uniformly distributed on the driven disc 7, semicircular open slots 14 and cams 15 are uniformly distributed on the stop disc 8, the cams 15 are in one-to-one correspondence with the semicircular open slots 14, long and narrow ends of the cams 15 are close to the semicircular open slots 14, an elastic stop assembly 16 is arranged on the fixed support 5, the elastic stop assembly 16 comprises a mounting block 17, a spring 18 and a stop semicircular head 19, the spring 18 is arranged between the stop semicircular head 19 and the mounting block 17, the mounting block 17 is arranged on the fixed support 5, the stop semicircular head 19 stretches into the semicircular open slots 14 to limit the rotation of the stop disc 8, the rotation of the stop disc 20 is prevented from being outwards rotated along with the rotation of the fixed disc 8, and the stop disc 20 is prevented from being outwards rotated by the stop disc 20.
The material placing tray 9 is uniformly provided with material discharging openings 21 and fixing holes 22, the material discharging openings 21 are in one-to-one correspondence with the fixing holes 22, the bottom surface of the material placing tray 9 is provided with a driving cylinder 23, one end of the driving cylinder 23 is provided with a supporting block 24, and the fixing holes 22 are used for the supporting block 24 to pass through. The installing support 6 is last to be equipped with voltmeter 30, photoelectric switch 25, control host computer 26, first stroke cylinder 27 and second stroke cylinder 28, and second stroke cylinder 28 level sets up, and first stroke cylinder 27 vertical setting, and the one end of second stroke cylinder 28 is equipped with push pedal 29, and the lower extreme of first stroke cylinder 27 is equipped with detects head 31, detects head 31 electric connection voltmeter 30, control host computer 26 electric connection photoelectric switch 25, voltmeter 30, first stroke cylinder 27, second stroke cylinder 28 and drive cylinder 23.
The performance detection method of the crystal oscillator comprises the following steps:
(a) And (3) wrapping:
(1) the crystal oscillator is inverted, the electrode 32 of the crystal oscillator is made to face upwards, the envelope 33 of the crystal oscillator is clamped and fixed by the clamp 34, the clamp 34 comprises a lower base 35, a pressing plate 36 and an upper cover plate 37, the lower base 35 is rotationally connected with the upper cover plate 37, the pressing plate 36 is pressed on the lower base 35 by the upper cover plate 37, a locking assembly is arranged between the upper cover plate 37 and the lower base 35 and comprises a base 38, a ring buckle 39 and a fixing block 48, the base 38 is arranged on the upper cover plate 37, the fixing block 48 is arranged on the lower base 35, and the base 38 is rotationally connected with the ring buckle 39. The lower base 35 is provided with a mounting groove 42 and a positioning concave hole 43, the mounting groove 42 is used for embedding the envelope 33 of the crystal oscillator, the contact area between the lower base 35 and the crystal oscillator is increased, the crystal oscillator is stably mounted on the lower base 35, and the crystal oscillator is not easy to slide freely. The clamp plate 36 is provided with a positioning column 40 and a fixing through hole 41, the positioning column 40 corresponds to the positioning concave hole 43, the fixing through hole 41 is used for the electrode 32 of the crystal oscillator to pass through, the bottom surface of the upper cover plate 37 is provided with a limiting groove 44 corresponding to the clamp plate 36, the contact area between the upper cover plate 37 and the clamp plate 36 is increased, the clamp plate 36 is limited to freely move, the installation stability is improved, the limiting groove 44 is provided with a fixing groove 45, the bottom surface of the lower base 35 is provided with a sleeve groove 46, and the sleeve groove 46 corresponds to the supporting block 24. The bottom surface of the pressing plate 36 is provided with the fixing clamping groove 47, the fixing clamping groove 47 is used for sleeving the envelope 33 of the crystal oscillator, the fixing through hole 41 penetrates through the fixing clamping groove 47, the contact area between the pressing plate 36 and the crystal oscillator is increased, the pressing plate 36 is matched with the lower base 35 together, the envelope 33 of the crystal oscillator is clamped, the crystal oscillator cannot move freely, and the reliability is high.
The specific method comprises the following steps: the envelope 33 of the crystal oscillator is embedded into the mounting groove 42 on the lower base 35, so that the crystal oscillator is inverted on the lower base 35, and the crystal oscillator is easy to position and convenient to install. The positioning column 40 on the bottom surface of the pressing plate 36 is inserted into the positioning concave hole 43 on the lower base 35, so that the pressing plate 36 is limited on the lower base 35, the fixing clamping groove 47 on the bottom surface of the pressing plate 36 is sleeved with the envelope 33 of the crystal oscillator, the electrode 32 of the crystal oscillator passes through the fixing through hole 41 on the pressing plate 36, the rapid installation and positioning of the pressing plate 36 on the lower base 35 are realized, and the assembly difficulty is reduced. The upper cover plate 37 is turned over, the limiting groove 44 on the bottom surface of the upper cover plate 37 is sleeved on the pressing plate 36, then the ring buckle 39 on the base 38 on the side surface of the upper cover plate 37 is turned down, the ring buckle 39 is sleeved on the fixing block 48 on the side surface of the lower base 35, and the upper cover plate 37 is attached to the lower base 35.
The ring buckle 39 is sleeved on the fixed block 48 to limit the upper cover plate 37 to freely rotate, the ring buckle 39 is tightly contacted with the fixed block 48 and cannot freely rotate to be opened, the upper cover plate 37 is tightly attached to the lower base 35, the upper cover plate 37 presses the pressing plate 36, the pressing plate 36 presses the envelope 33 of the crystal oscillator on the lower base 35, the crystal oscillator is limited to freely shake, the clamping is reliable, the operation is simple, and the labor is saved and the operation is convenient.
(2) The control host 26 controls the driving air cylinder 23 to start, and the driving air cylinder 23 drives the supporting block 24 to ascend and pass through the fixed opening 22 on the object placing disc 9, so that the supporting block 24 is higher than the surface of the object placing disc 9;
(3) the supporting block 24 is sleeved with the sleeve groove 46 on the bottom surface of the lower base 35, so that the clamp 34 is temporarily limited on the supporting block 24, the arrangement of the clamp 34 on the object placing disc 9 is completed, the positioning is simple, the operation is labor-saving, the driving cylinder 23 gives the clamp 34 stable support through the supporting block 24, the clamp 34 is not easy to shake and fall freely, the position deviation and the circumferential rotation cannot occur, and the follow-up clamp 34 can accurately reach the detection position.
(b) And (3) transferring:
(1) the control host 26 controls the driving motor 4 to start, the driving motor 4 drives the turntable 10 to rotate, the fixed arm 11 rotates along with the turntable 10, when the driving pin 12 enters the first strip-shaped open slot 13, the driven disc 7 is driven to rotate, the stop disc 8 and the object placing disc 9 rotate along with the driven disc 7, at the moment, the spring 18 is in a compressed state, and a rebound force is generated to push the stop half head 19, and the stop half head 19 is contacted with the outer circumferential wall of the stop disc 8;
(2) then the driving pin 12 leaves the strip-shaped open slot 13, the driven disc 7 stops rotating, the object placing disc 9 also stops rotating, the first clamp 34 reaches the detection position, the stop semicircular head 19 meets the first semicircular open slot 14 at the moment, the stop semicircular head 19 stretches into the semicircular open slot 14 under the rebound force of the spring 18 to stop the rotation of the stop disc 8, the stop disc 8 is prevented from rotating due to inertia action or external force collision or wind force action, the influence on the detection procedure caused by the deviation of the crystal oscillator on the clamp 34 from the expected detection position is avoided, and the continuous proceeding of the detection procedure is ensured. The first cam 15 is now in contact with the fixing pin 20.
(c) And (3) detection:
(1) when the first clamp 34 reaches the detection position, the photoelectric switch 25 senses the clamp 34 and sends a signal to the control host 26, the control host 26 controls the first travel cylinder 27 to start, the first travel cylinder 27 drives the detection head 31 to descend, the electrode 32 of the crystal oscillator is touched to detect, the control host 26 obtains a detected voltage value, the data is compared with a data range preset by a system, the quality grade of the crystal oscillator is judged, and the detected data does not fall in the data range preset by the system, so that the quality grade is judged to be a defective product;
(2) the judging result is an unqualified product, the control host 26 controls the first travel cylinder 27 to retract, meanwhile, controls the driving cylinder 23 to retract, the driving cylinder 23 drives the supporting block 24 to descend, the clamp 34 descends, the supporting block 24 retreats into the fixed opening 22, and the clamp 34 falls on the object placing disc 9 and is not limited any more;
(3) the control host 26 drives the second stroke cylinder 28 to start, the second stroke cylinder 28 drives the push plate 29 to stretch out and draw back and act once, push the clamp 34 to the blanking mouth 21, the clamp 34 falls from the blanking mouth 21, get into and collect in the box 3, collect the unqualified product through collecting the box 3, step by step orderly from front to back, degree of automation is high, the manual supervision detection process is removed or operations such as registering are removed from, it is laborsaving convenient, work efficiency is high, unqualified product and qualified product are classified clearly, manual labor intensity is reduced, prevent manual misjudgment, be difficult for making mistakes, the qualification rate of product has been improved.
(d) The following operations are carried out:
(1) the driving pin 12 enters the second strip-shaped open slot 13 along with the rotation of the rotary disk 10, and drives the driven disk 7 to rotate continuously, at the moment, the first cam 15 pushes the fixed pin 20 outwards, so that the stop semicircular head 19 leaves the first semicircular open slot 14, at the moment, the spring 18 is compressed and does not stop the rotation of the stop disk 8, the object placing disk 9 continues to rotate until the first cam 15 is not contacted with the fixed pin 20 any more, under the action of the rebound force of the spring 18, the stop semicircular head 19 is contacted with the outer circumferential wall of the stop disk 8 again, the matching is ingenious, the automation degree is high, labor is saved, convenience is realized, the stop semicircular head 19 is not required to be driven to enter and exit the semicircular open slot 14 by other push-pull equipment, and the cost is reduced.
(2) The drive pin 12 then leaves the second slot 13, the driven disk 7 stops rotating, the tray 9 also stops rotating, and the second gripper 34 reaches the inspection position, where the crystal oscillator on the gripper 34 is inspected.
The carousel 10 rotates and drives driven plate 7 intermittent type nature through driving pin 12 and rotate, puts thing dish 9 and follows intermittent type nature rotation, sends anchor clamps 34 to the testing position one by one, and in putting the dead time of thing dish 9, detect crystal oscillator, reasonable application time, equipment need not shut down, and is automatic high-efficient, laborsaving convenient, has reduced control intensity, gets rid of unqualified products automatically, collects through collecting box 3 unification, and crystal oscillator who remains on the carousel 10 at last is qualified product, and is categorised clear, the management of being convenient for.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications and the like made on the basis of the present invention to solve the substantially same technical problems and achieve the substantially same technical effects are included in the scope of the present invention.
Claims (7)
1. The performance detection method of the crystal oscillator is characterized by comprising the following steps: (a) clamping: (1) inverting the crystal oscillator to enable the electrode of the crystal oscillator to face upwards, and wrapping and fixing the envelope of the crystal oscillator by adopting a clamp; (2) the control host controls the starting of the driving cylinder, and the driving cylinder drives the supporting block to ascend and pass through the fixed opening of the object placing disc on the workbench, so that the supporting block is higher than the surface of the object placing disc; (3) sleeving a sleeve groove at the bottom of the clamp on the supporting block, so that the clamp is temporarily limited on the supporting block, and arranging the clamp on the object placing disc is completed; the automatic rotary table is characterized in that a rotating shaft, a collecting box, a driving motor, a fixing support and a mounting support are arranged on the workbench, a driven disc, a stop disc and an object placing disc are sequentially arranged on the rotating shaft from bottom to top, the driving motor is connected with a rotary disc, a fixing arm is arranged on the rotary disc, driving pins are arranged on the fixing arm, strip-shaped open slots corresponding to the driving pins are uniformly distributed on the driven disc, semicircular open slots and cams are uniformly distributed on the stop disc, an elastic stop assembly is arranged on the fixing support, one end of the elastic stop assembly stretches into the semicircular open slots to limit the stop disc to rotate, the cams correspond to the semicircular open slots one by one, and long and narrow ends of the cams are close to the semicircular open slots; the elastic stop assembly comprises a mounting block, a spring and a stop semicircular head, the spring is arranged between the stop semicircular head and the mounting block, the mounting block is arranged on the fixed support, the stop semicircular head stretches into the semicircular open groove to limit the rotation of the stop disc, a fixed pin is arranged on the stop semicircular head, and the cam pushes the fixed pin outwards along with the rotation of the stop disc, so that the stop semicircular head is separated from the semicircular open groove; (b) transferring: (1) the control host controls the driving motor to start, the driving motor drives the turntable to rotate, the fixed arm rotates along with the turntable, when a driving pin on the fixed arm enters a first strip-shaped open slot of a driven disc on the workbench, the driven disc is driven to rotate, the stop disc and the object placing disc rotate along with the driven disc, and a stop semicircular head of an elastic stop assembly on the fixed support is contacted with the outer circumferential wall of the stop disc; (2) then the driving pin leaves the strip-shaped open slot, the driven disc stops rotating, the object placing disc also stops rotating, the first clamp reaches a detection position, the stop semicircular head meets the first semicircular open slot on the stop disc, the stop semicircular head stretches into the semicircular open slot under the elastic action of the elastic stop assembly to stop the stop disc from rotating, and the first cam on the stop disc contacts with the fixed pin on the stop semicircular head; (c) detecting: when the first clamp reaches the detection position, the photoelectric switch senses the clamp and sends a signal to the control host, the control host controls the first travel cylinder to start, the first travel cylinder drives the detection head to descend, the detection head touches an electrode of the crystal oscillator to detect, the control host acquires a detected voltage value, the data is compared with a data range preset by the system, the quality grade of the crystal oscillator is judged, the detection data does not fall in the data range preset by the system, and the quality grade is judged to be a defective product; (d) operation by operation: (1) the driving pin enters the second strip-shaped open slot along with the rotation of the turntable, and continuously drives the driven disc to rotate, at the moment, the first cam outwards pushes the fixed pin, so that the stop semicircular head leaves the first semicircular open slot and does not stop the rotation of the stop disc until the first cam is not contacted with the fixed pin any more, and under the action of elasticity, the stop semicircular head is contacted with the outer circumferential wall of the stop disc again, and the object placing disc continuously rotates; (2) and then the driving pin leaves the second strip-shaped open slot, the driven disc stops rotating, the object placing disc also stops rotating, and the second clamp reaches the detection position to detect the crystal oscillator on the clamp.
2. The method for detecting the performance of a crystal oscillator according to claim 1, wherein: the specific practice of the clamp-wrapped crystal oscillator in the step (a) is as follows: (1) firstly embedding an envelope of a crystal oscillator into a mounting groove on a lower base, so that the crystal oscillator is inverted on the lower base; (2) inserting a positioning column on the bottom surface of a pressing plate into a positioning concave hole on a lower base, limiting the pressing plate on the lower base, pressing an envelope of the crystal oscillator through the pressing plate, and enabling an electrode of the crystal oscillator to pass through a fixing through hole on the pressing plate; (3) the upper cover plate is turned over, so that the limiting groove on the bottom surface of the upper cover plate is sleeved with the pressing plate, and then the ring buckle on the base on the side surface of the upper cover plate is turned down, so that the ring buckle is sleeved with the fixing block on the side surface of the lower base, and the upper cover plate is attached to the lower base.
3. The method for detecting the performance of a crystal oscillator according to claim 2, wherein: the fixture comprises a lower base, a pressing plate and an upper cover plate, wherein the lower base is rotationally connected with the upper cover plate, the upper cover plate is pressed on the lower base by the pressing plate, a locking assembly is arranged between the upper cover plate and the lower base and comprises a base, a ring buckle and a fixed block, the base is arranged on the upper cover plate, the fixed block is arranged on the lower base, the base is rotationally connected with the ring buckle, and the ring buckle is sleeved on the fixed block to limit the upper cover plate to freely rotate.
4. A method for detecting the performance of a crystal oscillator according to claim 3, wherein: the lower base is provided with a mounting groove and a positioning concave hole, the mounting groove is used for embedding an envelope of the crystal oscillator, the pressing plate is provided with a positioning column and a fixing through hole, the positioning column corresponds to the positioning concave hole, the fixing through hole is used for allowing an electrode of the crystal oscillator to pass through, the bottom surface of the upper cover plate is provided with a limiting groove corresponding to the pressing plate, the limiting groove is provided with a fixing groove, and the bottom surface of the lower base is provided with a sleeve groove.
5. The method for detecting the performance of a crystal oscillator according to claim 4, wherein: the bottom surface of the pressing plate is provided with a fixing clamping groove, the fixing clamping groove is used for sleeving the envelope of the crystal oscillator, and the fixing through hole penetrates through the fixing clamping groove.
6. The method for detecting the performance of a crystal oscillator according to claim 1, wherein: the specific method for removing the unqualified products is also included in the step (c): (1) the control host controls the first travel cylinder to retract, and simultaneously controls the driving cylinder to retract, the driving cylinder drives the supporting block to descend, the clamp descends, the supporting block retreats into a fixed opening on the object placing disc, and the clamp falls on the object placing disc; (2) the control host drives the second stroke cylinder to start, and the second stroke cylinder drives the push pedal to stretch out, pushes the anchor clamps to the blanking mouth, and anchor clamps fall from the blanking mouth, get into in the collection box, collect the defective products through the collection box.
7. The method for detecting the performance of a crystal oscillator according to claim 1, wherein: in the step (a), blanking openings and fixed holes are uniformly distributed on the object placing disc, the blanking openings correspond to the fixed holes one by one, a driving cylinder is arranged on the bottom surface of the object placing disc, one end of the driving cylinder is provided with a supporting block, the fixed holes are used for the supporting block to pass through, and a sleeve groove corresponding to the supporting block is formed in the bottom of the clamp; the automatic test device is characterized in that a voltmeter, a photoelectric switch, a control host, a first travel cylinder and a second travel cylinder are arranged on the mounting support, the second travel cylinder is horizontally arranged, the first travel cylinder is vertically arranged, a push plate is arranged at one end of the second travel cylinder, a detection head is arranged at the lower end of the first travel cylinder and is electrically connected with the voltmeter, and the control host is electrically connected with the photoelectric switch, the voltmeter, the first travel cylinder, the second travel cylinder and the driving cylinder.
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| CN202111339990.8A CN114130715B (en) | 2021-11-12 | 2021-11-12 | Performance detection method of crystal oscillator |
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| CN114130715A (en) | 2022-03-04 |
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