CN113324484A - Ceramic ferrule length detection device and detection method - Google Patents
Ceramic ferrule length detection device and detection method Download PDFInfo
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- CN113324484A CN113324484A CN202110565307.6A CN202110565307A CN113324484A CN 113324484 A CN113324484 A CN 113324484A CN 202110565307 A CN202110565307 A CN 202110565307A CN 113324484 A CN113324484 A CN 113324484A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention discloses a device and a method for detecting the length of a ceramic ferrule, wherein the device comprises a die, a first groove is formed in the top wall of the die, a detection unit is arranged in the first groove, the bottom of a ceramic ferrule body of the ceramic ferrule can enter the first groove, and the detection unit can detect the length of the ceramic ferrule body entering the first groove; the detection unit comprises at least two detection groups, the detection groups are sequentially arranged below the detection reference surface at intervals along the depth direction of the first groove, each detection group comprises a probe and a receiver, the probes and the receivers are respectively located on two sides of the ceramic ferrule body, and the receivers are used for receiving signals sent by the probes. The automatic detection of the length of the ceramic ferrule body can be realized through the matching of a plurality of detection groups, so that the detection efficiency is improved.
Description
Technical Field
The invention relates to the technical field of optical detection length, in particular to a device and a method for detecting the length of a ceramic ferrule.
Background
The optical fiber ceramic ferrule is also called a ceramic ferrule. A precisely centered cylinder in the optical fiber connector plug has a micro-hole in the center for securing an optical fiber. The high-precision special ceramic element is formed by processing a nano zirconia (ZrO2) material through a series of formulas, the axial deviation required by a single mode is less than 1um, the axial deviation required by multiple modes is less than 4um, and the manufactured connector is a detachable and classified optical fiber movable connector, so that the connection, conversion and scheduling of optical channels are more flexible, and the high-precision special ceramic element can be used for debugging and maintaining an optical communication system.
Referring to fig. 1, the ferrule includes a ferrule body 1 and a metal tail seat 2 wrapped at the tail of the ferrule body 1, during production, the ferrule body and the metal tail seat are combined and pressed into the ferrule in an automatic ferrule pressing machine, the length of the ferrule body of the qualified ferrule which is pressed out of the metal tail seat is 7.95mm-8.00mm, the ferrule body of the qualified ferrule which is pressed out of the metal tail seat is unavoidable errors in the combining and pressing process of the ferrule automatic pressing machine, the length and the size of the finished ferrule which is pressed out are different, some ferrules are longer and some ferrules are shorter, the unqualified finished ferrules cannot be put into practical production for use, the existing ferrule manufacturing enterprises adopt manual detection to detect the length of the bottom of the ferrule body, the detection efficiency is low, the workload is large, and the improvement of the production of the ferrule is severely restricted.
Disclosure of Invention
In order to solve the technical problem, the invention provides a device and a method for detecting the length of a ceramic ferrule.
The technical scheme adopted by the invention is as follows:
a length detection device for a ceramic ferrule comprises a mold, wherein a first groove is formed in the top wall of the mold, a detection unit is arranged in the first groove, the bottom of a ceramic ferrule body of the ceramic ferrule can enter the first groove, and the detection unit can detect the length of the ceramic ferrule body entering the first groove; be equipped with the detection reference surface in the first recess, the detection reference surface is the connection face of ceramic lock pin body and tailstock, the detection unit includes two at least detection groups, and the detection group sets up below the detection reference surface along the depth direction of first recess interval in proper order, and the detection group includes probe and receiver, and probe and receiver are located the both sides of ceramic lock pin body respectively, and the receiver is used for the signal that the receiving probe sent, and when the ceramic lock pin body inserted between probe and the receiver, the receiver then can't accept the signal that the probe sent.
Further, the detection unit comprises three detection groups, wherein the uppermost detection group is 7.95mm away from the detection reference surface, and the lowermost detection group is 8.00mm away from the detection reference surface.
Further, be equipped with the detection reference surface in the first recess, the detection reference surface is the connection face of ceramic lock pin body and tailstock, the detection unit includes three detection group, and three detection group sets gradually along the direction of depth of first recess, and the detection group distance detection reference surface of the top 7.95mm, and the detection group distance detection reference surface of below 8.00mm, detection group are including probe and receiver, and probe and receiver are located the both sides of ceramic lock pin body respectively, and the receiver is used for the signal that the receiving probe sent, and when ceramic lock pin body inserted between probe and the receiver, the receiver then can't accept the signal that the probe sent.
Further, still include the vibration dish, the exit linkage of vibration dish has out the flitch, has seted up the second recess on the play flitch, the groove width of second recess is greater than the external diameter of ceramic lock pin body, and is less than the diameter of the bellying of tailstock, and the vibration dish vibration can make the vertical diapire that is located the second recess of ceramic lock pin body and makes the bellying of tailstock and the roof contact of a flitch, and the recess runs through the left wall and the right wall of mould and its left end and second groove connection, and the vibration dish vibration can make ceramic lock pin follow the vibration dish and move to the mould on.
The ceramic ferrule mould further comprises a guide rail, the guide rail is connected with a discharge plate of the vibration disc, the vibration disc can drive the guide rail to vibrate, a third groove is formed in the guide rail, the diameter of the third groove is larger than that of the ceramic ferrule body and smaller than that of the protruding portion of the tailstock, the ceramic ferrule can be transported to the guide rail from the vibration disc through vibration of the vibration disc, and the ceramic ferrule can move to the mould from the guide rail through vibration of the guide rail.
Furthermore, fourth grooves are symmetrically formed in two side walls of the first groove, the protruding portion of the tailstock can be embedded into the two fourth grooves, the protruding portion is limited by the two fourth grooves, the top wall of the protruding portion is in contact with the upper side walls of the two fourth grooves, the bottom wall of the protruding portion is in contact with the lower side walls of the two first grooves, and the inner surfaces of the lower side walls of the two fourth grooves form a detection reference surface.
Further, the top of mould still is equipped with picks up out the module, it is including locating two fixed plates at the mould left and right ends to pick up out the module, wherein be provided with first motor on the fixed plate, be connected with first threaded rod on the output shaft of first motor, first threaded rod rotates and sets up on another fixed plate, first threaded rod threaded connection has first movable block, and first threaded rod runs through first movable block, be connected with first dead lever between two fixed plates, first dead lever and first threaded rod are parallel and the activity runs through first movable block, be fixed with first cylinder on the first movable block, be connected with first electro-magnet on the output shaft of first cylinder, the output shaft of first cylinder can drive first electro-magnet up-and-down motion, first electro-magnet is used for adsorbing the tailstock of the unqualified ceramic lock pin in the first recess.
Furthermore, two second motors are fixed on one of the fixed plates and are respectively positioned on the front side and the rear side below the first motor, an output shaft of the second motor is connected with a second threaded rod which is rotationally arranged on the other fixed plate, the second threaded rod is in threaded connection with a second moving block, and the second threaded rod penetrates through the second moving block, a second fixed rod is arranged on one side of the second threaded rod in parallel, two ends of the second fixed rod are fixedly connected with the two fixed plates respectively, the second fixed rod movably penetrates through the second moving block, a second cylinder is fixed on the inner side wall of the second moving block, a third cylinder is connected onto an output shaft of the second cylinder, the second cylinder can drive the third cylinder to move back and forth, an output shaft of the third cylinder is connected with a second electromagnet, the third cylinder can drive the second electromagnet to move up and down, and the second electromagnet is used for adsorbing a tailstock of the unqualified ceramic ferrule in the first groove.
Furthermore, the right wall of the mold is connected with a discharge chute, a collecting box is arranged below the discharge chute, a recycling box is arranged on the right side of the collecting box, qualified ceramic ferrules discharged from the right side of the mold can enter the collecting box through the discharge chute, and unqualified ceramic ferrules adsorbed by the first electromagnet can move to the upper part of the recycling box and fall into the recycling box.
A method for detecting the length of an optical fiber ceramic ferrule is applied to the device for detecting the length of the optical fiber ceramic ferrule and comprises the following steps:
(9.1) placing the tailstock of the ceramic ferrule to be detected in the first groove in an upward mode, so that the connection surface of the ceramic ferrule body and the tailstock is located on a detection reference surface;
(9.2) starting the receivers and the probes of the three detection groups;
(9.3) when the receivers of the three detection groups can receive signals sent by the corresponding probes, the length of the ceramic ferrule is short, and the ceramic ferrule is an unqualified product;
(9.4) when the receivers of the three detection groups cannot receive the signals sent by the corresponding probes, the length of the ceramic ferrule is too long, and the ceramic ferrule is an unqualified product;
(9.5) when the receiver of the uppermost detection group cannot receive the signal sent by the corresponding probe and the receiver of the lowermost detection group can receive the signal sent by the corresponding probe, the length of the ceramic ferrule body extending out of the tailstock is between 7.95mm and 8.00mm, and the ceramic ferrule is qualified.
Furthermore, the receivers of the three detection groups are respectively connected with the single chip microcomputer, the single chip microcomputer is connected with the buzzer and the display screen, when the ceramic ferrule is detected to be an unqualified product, the single chip microcomputer controls the buzzer to give an alarm, and the detection result is displayed on the display screen.
The invention has the beneficial effects that: in the technical scheme, a groove is formed in the top wall of a die, a detection reference surface is arranged at the upper end of the groove, a detection unit is arranged at the lower end of the groove and comprises three detection groups, the detection groups comprise a probe and a receiver, when a ceramic ferrule body is positioned between the probe and the receiver, the receiver cannot receive signals sent by the probe, when the ceramic ferrule is used specifically, a tailstock is positioned above the groove, the ceramic ferrule body is positioned in the groove, the three detection groups are distributed at intervals below the reference surface along the depth direction of the groove, the distance between the uppermost detection group and the detection reference surface is 7.95mm, the distance between the lowermost detection group and the detection reference surface is 8.00mm, when all the three receivers can receive signals sent by the corresponding probes, the length of the ceramic ferrule body is shorter, when all the three receivers cannot receive signals sent by the corresponding probes, the length of the ceramic ferrule body is longer, and when the uppermost receiver cannot receive signals sent by the corresponding probes, when the receiver at the bottom can receive the signal that corresponds the probe and send, then show that the length of ceramic lock pin body is normal length scope, realize the detection of ceramic lock pin body length through the cooperation of a plurality of detection groups like this to improve detection efficiency.
Drawings
Figure 1 is a schematic diagram of a prior art ferrule.
FIG. 2 is a schematic structural view of the ferrule length detection apparatus of the present invention.
Fig. 3 is a schematic structural view of the pickup module of the present invention.
FIG. 4 is a right side view of the inventive mold shown in FIG. 2;
figure 5 is a right side view of the mold with the ferrule entering the mold of the present invention.
Reference numerals: 1-a ceramic ferrule body, 2-a tailstock, 3-a mould, 4-a first groove, 5-a probe, 6-a receiver, 7-a fourth groove, 8-a vibrating disc, 9-a guide rail, 10-a second groove, 11-a third groove, 12-a protrusion, 13-a fixed plate, 14-a first motor, 15-a first threaded rod, 16-a first moving block, 17-a first fixed rod, 18-a first cylinder, 19-a second cylinder, 20-a discharge chute, 21-a collection box and 22-a recovery box; 151-second threaded rod, 161-second moving block, 171-second fixed rod, 191-third cylinder.
Detailed Description
In order to better understand the present invention, the following examples are further provided to illustrate the present invention, but the present invention is not limited to the following examples.
Example 1
As shown in fig. 1 to 5, the present embodiment provides a device for detecting a length of a ferrule, which includes a mold 3, wherein a first groove 4 is formed on a top wall of the mold 3, a detection unit is disposed in the first groove 4, a bottom of a ferrule body 1 of the ferrule can enter the first groove 4, and the detection unit can detect a length of the ferrule body 1 entering the first groove 4.
A detection reference surface is arranged in the first groove 4, for example, the top surface of the mold 3 and the upper end surface of the first groove 4 are arranged as detection reference surfaces, and the detection reference surfaces are the connection surfaces of the ferrule body 1 and the tailstock 2. The detection unit includes three detection group, and three detection group sets gradually below detecting the reference surface along the depth direction of first recess 4, and the detection group distance of the top detects reference surface 7.95mm, and the detection group distance of the below detects reference surface 8.00mm, and the detection group is including probe 5 and receiver 6, and probe 5 and receiver 6 are located the both sides of ceramic lock pin body 1 respectively, and receiver 6 is used for receiving the signal that probe 5 sent.
In this embodiment, the probe 5 and the receiver 6 are both prior art and are commercially available. Preferably, the probe 5 and the receiver 6 are a Haikeskan IRP40.01 probe and a Haikeskan IRR91.40 infrared receiver. When the ferrule body 1 is inserted between the probe 5 and the receiver 6, the receiver 6 cannot receive the signal from the probe 5.
Example 2
The embodiment provides a method for detecting the length of a ferrule, which is applied to the apparatus for detecting the length of a ferrule described in embodiment 1, and specifically includes the following steps:
(1) placing the tailstock 2 of the ceramic ferrule to be detected into the first groove 4 upwards to enable the connection surface of the ceramic ferrule body 1 and the tailstock 2 to be positioned on a detection reference surface; namely, the tailstock 2 is positioned above the first groove 4, and the ceramic ferrule body 1 extending out of the tailstock 2 is positioned in the first groove 4;
(2) starting the receivers 5 and the probes 6 of the three detection groups;
(3) when the receivers of the three detection groups can receive signals sent by the corresponding probes, the length of the ceramic ferrule is short, and the ceramic ferrule is an unqualified product;
(4) when the receivers of the three detection groups cannot receive the signals sent by the corresponding probes, the length of the ceramic ferrule is too long, and the ceramic ferrule is an unqualified product;
(5) when the receiver of the uppermost detection group cannot receive the signal sent by the corresponding probe and the receiver of the lowermost detection group can receive the signal sent by the corresponding probe, the length of the ceramic ferrule body 1 extending out of the tailstock 2 is between 7.95mm and 8.00mm, and the ceramic ferrule is a qualified product.
So the cooperation through a plurality of detection groups realizes the detection of ceramic lock pin body 1 length to improve detection efficiency, during the in-service use, receiver 6 is connected with the singlechip, and the singlechip is connected with bee calling organ, display screen, and when detecting out the length overlength of ceramic lock pin body 1 or short on the side, singlechip control bee calling organ reports to the police, shows the testing result on the display screen, if qualified or unqualified.
Example 3
The improvement that this embodiment goes on the basis of embodiment 1, still include vibration dish 8 in this embodiment, it has second recess 10 to open on the play flitch of vibration dish 8, the diameter of second recess 10 is greater than or equal to the diameter of ceramic lock pin body 1, and the diameter of second recess 10 is less than the diameter of tailstock 2 diapire, and vibration dish 8 vibration can make ceramic lock pin body 1 be located second recess 10 and the diapire of tailstock 2 and the roof contact of play flitch, recess 4 extends to the left wall and the right wall of mould 3, and vibration dish 8 vibration can make the ceramic lock pin move to mould 3 from vibration dish 8 on.
In order to further improve the detection efficiency, a vibration disc 8 is arranged in the embodiment, the vibration disc 8 is a loading device, the vibration disc 8 vibrates to enable the ceramic ferrule body 1 in the ceramic ferrule to enter the second groove 10, and the bottom end of the tailstock 2 is contacted with the top wall of the discharge plate, the vibration disc 8 adopts the prior art, redundant description is not provided here, the first groove 4 and the second groove 10 are in a communicated state at the moment, the vibration disc 8 vibrates to transport the ceramic ferrule to enable the ceramic ferrule to move onto the mold 3, the ceramic ferrule body 1 moving into the ceramic ferrule on the mold 3 is located in the first groove 4 at the moment, the tailstock 2 is located above the mold 3, the bottom wall of the tailstock 2 is contacted with the top wall of the mold 3, then the vibration disc 8 vibrates to continuously push the ceramic ferrule to move left and right in the mold 3 to pass through the position of the detection unit for length detection, and the vibration disc 8 is utilized for loading, the detection efficiency of the length of the ceramic ferrule is improved.
Example 4
In this embodiment, based on the improvement of embodiment 3, in this embodiment, the fourth grooves 7 are formed on two side walls of the first groove 4, the protruding portion 12 of the tailstock 2 can be embedded into the two fourth grooves 7, the two fourth grooves 7 limit the front side and the rear side of the protruding portion 12, the top wall of the protruding portion 12 contacts with the top wall of the fourth groove 7, and the bottom wall of the protruding portion 12 contacts with the bottom wall of the fourth groove 7; the inner surfaces of the lower side walls of the two fourth grooves 7 form detection reference surfaces.
Because the ceramic ferrule is continuously pushed to move forward by the ceramic ferrule conveyed from the vibration disk 8 during the movement, the tailstock 2 has no limit in the front-back direction and the up-down direction, so that the ceramic ferrule can deflect in the vertical direction in the movement process, and the detection unit can not accurately measure the length of the ceramic ferrule, in the embodiment, the fourth grooves 7 are formed in the front side wall and the back side wall of the first groove 4, after the ceramic ferrule enters, stretch out partial pottery lock pin body 1 of tailstock 2 and be located fourth recess 7 below, in the protruding portion 12 of tailstock 2 got into fourth recess 7, the part of 12 tops on the tailstock 2 was located fourth recess 7 top, fourth recess 7 restricted tailstock 2's upper and lower fore-and-aft direction, guaranteed tailstock 2 only can be along detecting the reference surface side-to-side motion in first recess 4, can not up-and-down motion to make the detection of pottery lock pin length more accurate.
After having set up fourth recess 7 in this embodiment, the distance of the detection group distance fourth recess 7 downside that sets up the top is 7.95mm, and the distance of the detection group distance fourth recess 7 downside of the bottom is 8.00mm, and the detection principle is the same with embodiment 2.
Example 5
In the embodiment, since the fourth groove 7 is provided, when the length of the ferrule is detected to be not in accordance with the standard, it is difficult to take out the non-compliant ferrule, in this embodiment, a picking module is provided above the mold 3, the picking module includes two fixing plates 13, the two fixing plates 13 are distributed along the left-right direction, the fixing plate 13 on the right side is located on the right side of the mold 3, wherein one fixing plate 13 is provided with a first motor 14, an output shaft of the first motor 14 is connected with a first threaded rod 15, the first threaded rod 15 is rotatably provided on the other fixing plate 13, a first moving block 16 is in threaded connection with the first threaded rod 15, the first threaded rod 15 penetrates through the first moving block 16, two ends of the first fixing rod 17 are respectively fixedly connected with the two fixing plates 13, the first fixing rod 17 movably penetrates through the first moving block 16, a first cylinder 18 is fixed on the first moving block 16, a first electromagnet is connected to an output shaft of the first cylinder 18, the output shaft of the first cylinder 18 can drive the first electromagnet to move up and down, and the first electromagnet can be in contact with the top end of the tailstock 2. In this embodiment, the right wall of the mold 3 is connected with a discharge chute 20, a collection box 21 is arranged below the discharge chute 20, a recovery box 22 is arranged on the right side of the collection box 21, the ceramic core insert discharged from the right side of the mold 3 can enter the collection box 21 through the discharge chute 20, and the ceramic core insert adsorbed by the first electromagnet can move to the position above the recovery box 22 and fall into the recovery box 22.
In this embodiment, a first motor 14, a first threaded rod 15, a first moving block 16, and a first fixing rod 17 are provided to form a first lead screw assembly, so as to realize the left-right movement of the first moving block 16, when it is detected that the length of the ferrule does not meet the standard, the single chip controls a first cylinder 18 to move downward, and at the same time, controls a first electromagnet to be energized, at this time, the first electromagnet contacts with the top wall of the tailstock 2 of the ferrule that does not meet the standard, the tailstock 2 is a metal tailstock, the first electromagnet is attracted to the tailstock 2 of the ferrule that does not meet the standard, and at the same time, the first motor 14 is started to rotate to drive the first moving block 16 and the attracted ferrule to move synchronously until the ferrule moves to the upper part of a recycling box 22, then the first electromagnet is powered off, the ferrule that does not meet the standard falls into the recycling box 22, and during the movement, the ferrule that meets the standard is discharged from the right side of the mold 3 and then enters the recycling box 21 through a discharge chute 20, so need not stop vibrating disk 8 after detecting the pottery lock pin that does not accord with the standard and also can realize the separation of the pottery lock pin of standard and the pottery lock pin that does not accord with the standard, thereby realize continuous incessant detection, further promote the detection efficiency of pottery lock pin, because the pottery lock pin is in the constant motion, consequently can be according to the position of first cylinder 18 when the displacement speed sets up initial condition, for example, set up in the next station top of detecting the unit, guarantee to detect behind the pottery lock pin that does not accord with the standard, first cylinder 18 descends first electro-magnet can just adsorb the pottery lock pin with the roof contact of the tailstock 2 of the pottery lock pin that does not accord with the standard.
Example 6
An improvement of this embodiment on the basis of embodiment 5 is that in this embodiment, two second motors 141 are fixed on one fixing plate 13, the two second motors are respectively located on the front side and the rear side of the first motor 14, the second motor 141 is located below the first motor 14, a second threaded rod 151 is connected to an output shaft of the second motor 141, the second threaded rod 151 is rotatably disposed on the other fixing plate 13, a second moving block 161 is in threaded connection with the second threaded rod 151, the second threaded rod 151 penetrates through the second moving block 161, two ends of a second fixing rod 171 are respectively fixedly connected to the two fixing plates 13, a second fixing rod 171 movably penetrates through the second moving block 161, a second cylinder 19 is fixed on an inner side wall of the second moving block 161, an output shaft of the second cylinder 19 is connected to a third cylinder 191, the second cylinder 19 can drive the third cylinder 191 to move back and forth, an output shaft of the third cylinder 191 is connected to a second electromagnet, the third cylinder can drive the second electro-magnet up-and-down motion, and the second electro-magnet can contact with the top of tailstock 2.
In this embodiment, the second motor 141, the second threaded rod 151, the second moving block 161 and the second fixing rod 171 form a second lead screw assembly, which realizes the left and right movement of the second moving block 161, meanwhile, the second air cylinder 19 is arranged to regulate the front and back positions of the third air cylinder 191, and when in use, when the ceramic ferrule which does not meet the standard is detected, the first air cylinder 18 firstly moves to enable the first electromagnet to adsorb the ceramic ferrule which does not meet the standard, then one of the second cylinders 19 controls the corresponding third cylinder 191 to be positioned above the groove 4, and the second electromagnet on the third cylinder 191 is used for adsorbing the ceramic ferrule which is detected next time and does not meet the standard, so that the first electromagnet and the two second electromagnets are used alternately, even if the ceramic inserting core which does not meet the standard is continuously detected, a stopping device is not needed, and continuous high-efficiency detection of the ceramic inserting core is further realized. The two third cylinders 191 in this embodiment are located inside the two second moving blocks 161, i.e., both near the first cylinder 18.
Example 7
The improvement that this embodiment goes on the basis of embodiment 3 still includes guide rail 9 in this embodiment, guide rail 9 is connected with vibration dish 8, and vibration dish 8 can drive guide rail 9 vibration, it has third recess 11 to open on the guide rail 9, and the diameter of third recess 11 is more than or equal to the diameter of ceramic lock pin body 1, and the diameter of third recess 11 is less than the diameter of tailstock 2 diapire, and vibration dish 8 vibration can be with the ceramic lock pin from vibration dish 8 transportation to guide rail 9 on, and guide rail 9 vibration can be with the ceramic lock pin from guide rail 9 transportation to mould 3 on. The guide rail 9 is arranged in the embodiment, so that the movement process of the ceramic ferrule is more continuous and stable.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The device for detecting the length of the ceramic ferrule is characterized by comprising a mold (3), wherein a first groove (4) is formed in the top wall of the mold (3), a detection unit is arranged in the first groove (4), the bottom of a ceramic ferrule body (1) of the ceramic ferrule can enter the first groove (4), and the detection unit can detect the length of the ceramic ferrule body (1) entering the first groove (4);
be equipped with the detection reference surface in first recess (4), the detection reference surface is the face of being connected of ceramic lock pin body (1) and tailstock (2), the detection unit includes two at least detection groups, and the detection group sets up below the detection reference surface along the depth direction of first recess (4) interval in proper order, and the detection group is including probe (5) and receiver (6), and probe (5) and receiver (6) are located the both sides of ceramic lock pin body (1) respectively, and receiver (6) are used for receiving the signal that probe (5) sent, and when ceramic lock pin body (1) inserted between probe (5) and receiver (6), signal that probe (5) sent then can't be accepted in receiver (6).
2. The ferrule length detecting device according to claim 1, wherein the probing unit includes three probing sets, the uppermost probing set is 7.95mm from the detection reference plane, and the lowermost probing set is 8.00mm from the detection reference plane.
3. The device for detecting the length of the ferrule according to claim 1, further comprising a vibrating plate (8), wherein an outlet of the vibrating plate (8) is connected with a discharge plate, a second groove (10) is formed in the discharge plate, the width of the second groove (10) is larger than the outer diameter of the ferrule body (1) and smaller than the diameter of the protrusion (21) of the tail seat (2), the vibrating plate (8) vibrates to enable the ferrule body (1) to be vertically positioned in the second groove (10) and to enable the bottom wall of the protrusion (21) of the tail seat (2) to be in contact with the top wall of the discharge plate, the groove (4) penetrates through the left wall and the right wall of the mold (3) and the left end of the groove is connected with the second groove (10), and the vibrating plate (8) vibrates to enable the ferrule to move from the vibrating plate (8) to the mold (3).
4. The apparatus for detecting the length of the ferrule according to claim 3, further comprising a guide rail (9), wherein the guide rail (9) is connected to a discharging plate of the vibrating plate (8), the vibrating plate (8) can drive the guide rail (9) to vibrate, the guide rail (9) is provided with a third groove (11), the diameter of the third groove (11) is larger than the diameter of the ferrule body (1) and smaller than the diameter of the protrusion (21) of the tailstock (2), the vibrating plate (8) can transport the ferrule from the vibrating plate (8) to the guide rail (9), and the vibration of the guide rail (9) can move the ferrule from the guide rail (9) to the mold (3).
5. The apparatus for detecting the length of the ferrule according to claim 4, wherein the first groove (4) has four grooves (7) symmetrically disposed on two sidewalls thereof, the protruding portion (12) of the tail block (2) can be inserted into the four grooves (7), the four grooves (7) limit the protruding portion (12), the top wall of the protruding portion (12) contacts with the upper sidewalls of the four grooves (7), the bottom wall of the protruding portion (12) contacts with the lower sidewalls of the two first grooves (7), and the inner surfaces of the lower sidewalls of the four grooves (7) form a detection reference surface.
6. The device for detecting the length of the ceramic ferrule according to claim 1, 3 or 4, wherein a pick-up module is further arranged above the mold (3), the pick-up module comprises two fixing plates (13) arranged at the left end and the right end of the mold (3), wherein a first motor (14) is arranged on one fixing plate (13), a first threaded rod (15) is connected to an output shaft of the first motor (14), the first threaded rod (15) is rotatably arranged on the other fixing plate (13), a first moving block (16) is connected to the first threaded rod (15) in a threaded manner, the first threaded rod (15) penetrates through the first moving block (16), a first fixing rod (17) is connected between the two fixing plates (13), the first fixing rod (17) is parallel to the first threaded rod (15) and movably penetrates through the first moving block (16), a first air cylinder (18) is fixed on the first moving block (16), the output shaft of the first cylinder (18) is connected with a first electromagnet, the output shaft of the first cylinder (18) can drive the first electromagnet to move up and down, and the first electromagnet is used for adsorbing the tailstock (2) of the unqualified ceramic ferrule in the first groove (4).
7. The device for detecting the length of the ferrule according to claim 6, wherein two second motors (141) are fixed on one fixing plate (13), the two second motors (141) are respectively located at the front side and the rear side below the first motor (14), the output shaft of the second motor (141) is connected with a second threaded rod (151), the second threaded rod (151) is rotatably disposed on the other fixing plate (13), the second threaded rod (151) is in threaded connection with a second moving block (161), the second threaded rod (151) penetrates through the second moving block (161), a second fixing rod (171) is arranged in parallel on one side of the second threaded rod (151), two ends of the second fixing rod (171) are respectively and fixedly connected with the two fixing plates (13), the second fixing rod (171) movably penetrates through the second moving block (161), and a second cylinder (19) is fixed on the inner side wall of the second moving block (161), the output shaft of the second cylinder (19) is connected with a third cylinder (191), the second cylinder (19) can drive the third cylinder (191) to move back and forth, the output shaft of the third cylinder (191) is connected with a second electromagnet, the third cylinder (191) can drive the second electromagnet to move up and down, and the second electromagnet is used for adsorbing the tailstock (2) of the unqualified ceramic ferrule in the first groove (4).
8. The apparatus for detecting the length of the ceramic ferrule according to claim 6, wherein a discharge chute (20) is connected to the right wall of the mold (3), a collection box (21) is arranged below the discharge chute (20), a recovery box (22) is arranged at the right side of the collection box (21), the qualified ceramic ferrule discharged from the right side of the mold (3) can enter the collection box (21) through the discharge chute (20), and the unqualified ceramic ferrule adsorbed by the first electromagnet can move to the position above the recovery box (22) and fall into the recovery box (22).
9. A ferrule length detection method applied to the ferrule length detection apparatus of claim 2, comprising the steps of:
(9.1) placing the tailstock (2) of the ceramic ferrule to be detected into the first groove (4) upwards, so that the connection surface of the ceramic ferrule body (1) and the tailstock (2) is positioned on a detection reference surface;
(9.2) starting the receivers (6) and the probes (5) of the three detection groups;
(9.3) when the receivers (6) of the three detection groups can receive signals sent by the corresponding probes (5), the length of the ceramic ferrule is short, and the ceramic ferrule is an unqualified product;
(9.4) when the receivers (6) of the three detection groups cannot receive the signals sent by the corresponding probes (5), the length of the ceramic ferrule is longer, and the ceramic ferrule is an unqualified product;
(9.5) when the receiver (6) of the uppermost detection group cannot receive the signal sent by the corresponding probe (5) and the receiver (6) of the lowermost detection group can receive the signal sent by the corresponding probe (5), the length of the ceramic ferrule body extending out of the tailstock is between 7.95mm and 8.00mm, and the ceramic ferrule is qualified.
10. The method for detecting the length of the ceramic ferrule according to claim 6, wherein the receivers (6) of the three detection groups are respectively connected with a single chip microcomputer, the single chip microcomputer is connected with a buzzer and a display screen, when the ceramic ferrule is detected to be a defective product, the single chip microcomputer controls the buzzer to give an alarm, and the display screen displays a detection result.
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