CN113522649A - High-precision automatic assembling equipment and method for optical fiber connector - Google Patents
High-precision automatic assembling equipment and method for optical fiber connector Download PDFInfo
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- CN113522649A CN113522649A CN202110780182.9A CN202110780182A CN113522649A CN 113522649 A CN113522649 A CN 113522649A CN 202110780182 A CN202110780182 A CN 202110780182A CN 113522649 A CN113522649 A CN 113522649A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
- B05C5/0212—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3898—Tools, e.g. handheld; Tuning wrenches; Jigs used with connectors, e.g. for extracting, removing or inserting in a panel, for engaging or coupling connectors, for assembling or disassembling components within the connector, for applying clips to hold two connectors together or for crimping
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to high-precision automatic assembly equipment and a method for an optical fiber connector, wherein the automatic assembly equipment comprises a base, a feeding device, a dispensing device, a visual positioning system and a grabbing manipulator; the feeding device comprises a first mounting frame, a first Y-axis movement mechanism, a first mounting plate, a feeding device and an optical fiber clamp; the glue dispensing device comprises a portal frame, a first X-axis movement mechanism, a first Z-axis movement mechanism and a glue dispensing mechanism; the visual positioning system comprises a first CCD positioning mechanism and a second CCD positioning mechanism; the grabbing manipulator is movably arranged on the base through the motion platform. The automatic assembly equipment completes the automatic assembly of the optical fiber connector by the cooperation of the grabbing mechanical arm, the visual positioning system and the dispensing device, and eliminates various problems caused by the abrasion of a tool clamp and the difference of human factors, so that the performance parameters and the size parameters of the product are ensured, and the consistency of the product is realized.
Description
Technical Field
The invention belongs to the technical field of optical fiber manufacturing, and particularly relates to high-precision automatic assembling equipment and method for an optical fiber connector.
Background
With the rapid growth of the information industry, optical communication is rapidly developing and replacing conventional communication technologies in order to meet the increasing demands for high rates and data throughput. From consumer electronics to supercomputers and large data centers, optical communication is becoming the first choice for communication in many situations. With the maturation of 5G technology, the number of required fiber optic connectors has increased substantially.
The fiber threading procedure in the production of the optical fiber connector relates to fiber threading, length fixing, glue injection and curing, and the production mode in the prior art is to manually fix a product on a tool clamp and then perform fiber threading, length fixing, glue injection and curing in the visual field range of a magnifier, so that the performance parameters and the size parameters of the product can only be ensured through the precision of the tool clamp and the proficiency of workers. For fiber penetration, if the precision of the tool fixture cannot be guaranteed, the size parameters of the product cannot be guaranteed, or the phenomenon of fiber breakage easily occurs in the assembling process; for glue injection, a handheld glue injection machine is adopted for glue injection at present, glue amount is completely controlled by workers according to proficiency, and therefore some produced products need secondary glue supplement or some products need scraping when the glue amount is too much. However, in the production process, the tool clamp is worn for a long time, the precision is difficult to guarantee for a long time, and if the production time is longer, the tool clamp is worn more seriously, so that the tool clamp needs to be maintained for a long time, and time and labor are wasted; the process is completely manually operated at present, so that the influence of human factors on the process is great, and the size parameters cannot be accurately controlled; generally, the requirements of the optical fiber connector on performance parameters and size parameters are relatively high, so that the product performance is changed and the product consistency is difficult to realize due to abrasion of a tool clamp and difference of human factors.
The comprehensive complaint is made, the fiber penetrating process in the existing optical fiber connector production has the problems of low efficiency, frequent maintenance of a tool clamp, large influence of human factors, difficulty in controlling the requirements of size parameters and performance parameters and difficulty in realizing the consistency of products in the prior art, so that the service life of the optical fiber connector is influenced, the successful coupling rate is influenced and the like. Therefore, the prior art still needs to be improved and developed.
Disclosure of Invention
The invention aims to solve the defects in the prior art at least to a certain extent and provides high-precision automatic assembling equipment and method for an optical fiber connector.
In order to achieve the above object, the present invention provides a high-precision automatic assembling apparatus for an optical fiber connector, comprising:
a base;
the feeding device comprises a first mounting frame fixed on the base, a first Y-axis movement mechanism arranged on the first mounting frame, a first mounting plate arranged on the first Y-axis movement mechanism, a feeding device and an optical fiber clamp, wherein the feeding device and the optical fiber clamp are arranged on the first mounting plate at intervals along the Y-axis direction;
the glue dispensing device comprises a portal frame fixed on the base, a first X-axis movement mechanism arranged on the portal frame, a first Z-axis movement mechanism arranged on the first X-axis movement mechanism and a glue dispensing mechanism arranged on the first Z-axis movement mechanism;
the visual positioning system comprises a first CCD positioning mechanism arranged on the base and a second CCD positioning mechanism arranged on the portal frame, the first CCD positioning mechanism is used for shooting side-looking images of the optical fiber clamp, and the second CCD positioning mechanism is used for shooting top-looking images of the optical fiber clamp;
the grabbing mechanical arm is movably arranged on the base through a moving platform and used for grabbing the ferrule workpiece provided by the feeding mechanism, sleeving the ferrule workpiece on the optical fiber clamped by the optical fiber clamp according to the shot side view image, and enabling the optical fiber to penetrate out of the ferrule workpiece by the preset length according to the shot top view image so as to enable the dispensing mechanism to dispense and fix the optical fiber and the ferrule workpiece which finish the fiber penetrating action.
Optionally, the moving platform includes a second X-axis moving mechanism fixed to the base, a second Y-axis moving mechanism disposed on the second X-axis moving mechanism, and a second Z-axis moving mechanism disposed on the second Y-axis moving mechanism, and the grabbing manipulator is disposed on the moving platform and faces the feeding device.
Optionally, the grabbing manipulator comprises a second mounting plate installed on the moving platform, a pneumatic finger fixed on the second mounting plate, and two clamping arms respectively installed on two pneumatic claws of the pneumatic finger, and the two clamping arms can be driven by the pneumatic finger to be close to or far away from each other so as to clamp or loosen the mortise workpiece.
Optionally, one end of the ferrule workpiece is provided with a transition hole, the other end of the ferrule workpiece is provided with a plurality of optical fiber mounting holes, and the section range of the transition hole is larger than the range of the positions of the optical fiber mounting holes; the opposite sides of the insert core workpiece are provided with clamping grooves extending along the two ends of the insert core workpiece, the cross sections of the clamping grooves extend inwards in a reducing mode from the outer sides, and convex strips matched with the clamping grooves are formed on the opposite inner sides of the two clamping arms respectively.
Optionally, the number of the feeding mechanisms and the number of the optical fiber clamps are at least two, and the two feeding mechanisms and the two optical fiber clamps are sequentially arranged at intervals along the Y-axis direction; first mounting panel still is provided with one and adjusts the seat, be equipped with the third mounting panel on adjusting the seat, at least two the fiber clamp is installed on the third mounting panel, it is used for adjusting to adjust the seat the third mounting panel is in the ascending position of X axle direction and Y axle direction.
Optionally, the adjusting base includes a bottom plate fixed on the first mounting plate, a Y-axis adjusting plate slidably disposed on the bottom plate along a Y-axis direction, and an X-axis adjusting plate slidably disposed on the Y-axis adjusting plate, and the third mounting plate is fixed on the X-axis adjusting plate; be equipped with on the bottom plate and be used for adjusting the first adjust knob of Y axle regulating plate position and be used for locking or loosen the first bolt of Y axle regulating plate, be equipped with on the Y axle regulating plate and be used for adjusting the second adjust knob of X axle regulating plate and be used for locking or loosen the second bolt of X axle regulating plate.
Optionally, the feeding mechanism comprises a pushing cylinder and a guide seat which are fixed on the third mounting plate and are arranged at intervals, and a material box arranged on the guide seat;
an output channel penetrates through the guide seat along the X-axis direction, a supporting arm connected with the output channel is arranged on one side, close to the grabbing manipulator, of the guide seat, a stopping part is formed at the tail end of the supporting arm in an upward protruding mode, and a positioning part is arranged at the top of the stopping part;
a push rod is arranged on a telescopic rod of the push cylinder, and the tail end of the push rod extends into the other end of the output channel opposite to the supporting arm; the material box is internally provided with a storage tank along the Z-axis direction in a penetrating manner, the inserting core workpiece is arranged in the storage tank along the Z-axis direction in a stacking manner, the lower end of the discharge tank is communicated with the middle part of the output channel, and the inserting core workpiece can slide out of the output channel under the action of the push rod and is positioned by the stopping part.
Optionally, the optical fiber clamp includes a base and a cover plate rotatably disposed on the base, a positioning groove for accommodating the optical fiber is formed on an upper surface of the base, and the positioning groove extends along the X-axis direction and penetrates through an end portion adjacent to the grasping manipulator; the cover plate can rotate to the upper surface of the base and at least covers one section of area of the positioning groove; and a magnetic attraction structure is arranged between the base and the cover plate.
Optionally, a backlight is further disposed on the first mounting plate, the backlight and the first CCD positioning mechanism are respectively located on two opposite sides of the optical fiber clamp in the X-axis direction, and an irradiation direction of the backlight faces the optical fiber clamp.
The invention also provides a high-precision automatic assembling method of the optical fiber connector, which is applied to the high-precision automatic assembling equipment of the optical fiber connector and comprises the following steps:
installing a plurality of inserting core workpieces on a feeding mechanism, and installing optical fibers to be penetrated into an optical fiber clamp;
starting a motion platform to drive a grabbing mechanism to grab one insert core workpiece from the feeding mechanism;
starting a visual positioning system, and shooting a side view image of the optical fiber clamp by using a first CCD positioning mechanism and shooting a top view image of the optical fiber clamp by using a second CCD positioning mechanism;
the moving platform drives the grabbing manipulator according to the shot side view image and the shot top view image so as to enable the grabbed ferrule workpiece to be sleeved on the optical fiber clamped by the optical fiber clamp and enable the optical fiber to penetrate out of the ferrule workpiece by a preset length, and fiber penetrating action is completed;
and starting the dispensing device, and dispensing and fixing the optical fiber and the ferrule workpiece which finish the fiber penetrating action by the dispensing mechanism under the action of the first X-axis movement mechanism and the first Z-axis movement mechanism according to the overlook image.
The automatic assembly equipment completes the automatic assembly of the optical fiber connector by the cooperation of the grabbing mechanical arm, the visual positioning system and the dispensing device, and eliminates various problems caused by the abrasion of a tool clamp and the difference of human factors, so that the performance parameters and the size parameters of the product are ensured, and the consistency of the product is realized. On the other hand, the traceability of the product is realized by utilizing the measurement principle of the visual positioning system and combining an external control system to measure, self-check, collect data and upload the data to a database.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of an automatic high-precision assembling apparatus for an optical fiber connector according to the present invention;
FIG. 2 is a schematic view of the feeding device of the present invention;
FIG. 3 is a schematic view of the loading mechanism and fiber clamp arrangement of FIG. 2;
FIG. 4 is a schematic structural view of a dispensing device according to the present invention;
FIG. 5 is a schematic structural view of the dispensing mechanism of FIG. 4;
FIG. 6 is a schematic structural diagram of a motion platform according to the present invention;
FIG. 7 is a schematic structural view of a grasping mechanism according to the present invention;
FIG. 8 is a schematic structural diagram of a ferrule workpiece for fiber penetration according to the present invention;
FIG. 9 is a schematic view of an adjusting seat according to the present invention;
FIG. 10 is a schematic view of another angle of view of the adjustable base of the present invention;
FIG. 11 is a schematic structural view of a loading mechanism according to the present invention;
FIG. 12 is a partial cross-sectional view of FIG. 11;
FIG. 13 is a schematic view of the structure of the fiber clamp of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "circumferential," "radial," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, an embodiment of the present invention provides a high-precision automatic assembling device for an optical fiber connector, including a base 100, a feeding device 10, a dispensing device 20, a vision positioning system, a moving platform 30, and a grabbing robot 40, where the feeding device 10, the dispensing device 20, the vision positioning system, and the moving platform 30 are all fixedly mounted on the base 100, the grabbing robot 40 is mounted on the moving platform 30, and the moving platform 30 is a multi-axis moving platform, and can drive the grabbing robot 40 to move arbitrarily in a space within a stroke range.
Referring to fig. 2 and 3, the feeding device 10 includes a first mounting frame 11 fixed on the base 100, a first Y-axis moving mechanism 12 disposed on the first mounting frame 11, a first mounting plate 13 disposed on the first Y-axis moving mechanism 12, and a feeding mechanism 14 and an optical fiber clamp 15 disposed on the first mounting plate 13, where the feeding mechanism 14 and the optical fiber clamp 15 are arranged at intervals along the Y-axis direction, the feeding mechanism 14 is configured to provide a ferrule workpiece 200 of an optical fiber connector, and the optical fiber clamp 15 is configured to clamp and position an optical fiber 300 to be penetrated. The first Y-axis moving mechanism 12 adopts a linear motor with a screw and a screw rod matched, the first mounting plate 13 is fixed on a slide block of the first Y-axis moving mechanism 12, and the first Y-axis moving mechanism 12 can drive the feeding mechanism 14 and the optical fiber clamp 15 to move back and forth in the Y-axis direction.
As shown in fig. 4, the dispensing device 20 includes a gantry 21 fixed on the base 100, a first X-axis moving mechanism 22 disposed on the gantry 21, a first Z-axis moving mechanism 23 disposed on the first X-axis moving mechanism 22, and a dispensing mechanism 24 disposed on the first Z-axis moving mechanism 23; the portal frame 21 surrounds a cross beam 211 which is located above the feeding device 10 and extends along the X-axis direction, the first X-axis movement mechanism 22 is arranged on the front side of the cross beam 211 and can be used for driving the first Z-axis movement mechanism 23 to move back and forth along the X-axis direction, the first Z-axis movement mechanism 23 can be used for driving the dispensing mechanism 24 to do lifting movement in the Z-axis direction, and the first X-axis movement mechanism 22 and the first Z-axis movement mechanism 23 are linear motors matched with a screw rod.
As shown in fig. 5, the dispensing mechanism 24 includes a dispensing mounting plate 241 mounted on the first Z-axis moving mechanism 23, and a curing lamp 242, a dispensing valve 243 and a dispensing pressure rod 244 fixed on the dispensing mounting plate 241, and the curing lamp 242, the dispensing valve 243 and the dispensing pressure rod 244 are arranged in parallel at intervals along the X-axis direction; it should be noted that the dispensing mounting plate 241 may adopt a split structure, that is, the curing lamp 242, the dispensing valve 243, and the dispensing pressing rod 244 are respectively mounted on the first Z-axis moving mechanism 23 through one dispensing mounting plate 241, and in other embodiments, the dispensing mounting plate 241 may also adopt an integral structure, that is, the curing lamp 242, the dispensing valve 243, and the dispensing pressing rod 244 are all mounted on one dispensing mounting plate 241.
The visual positioning system comprises a first CCD positioning mechanism 50 arranged on the base 100 and a second CCD positioning mechanism 60 arranged on the portal frame 21, wherein the first CCD positioning mechanism 50 is used for shooting a side view image of the optical fiber clamp 15, and the second CCD positioning mechanism 60 is used for shooting a top view image of the optical fiber clamp 15; preferably, the second CCD positioning mechanism 60 is located above the Y-axis line where the feeding device 10 is located, and the optical axes of the first CCD positioning mechanism 50 and the second CCD positioning mechanism 60 intersect and are located on the Y-axis track where the fiber clamp 15 moves.
The grabbing mechanical arm 40 is driven by the moving platform 30 to grab the ferrule workpiece 200 provided by the feeding mechanism 14, the ferrule workpiece 200 is sleeved on the optical fiber 300 clamped by the optical fiber clamp 15 according to the shot test image, the optical fiber 300 penetrates out of the ferrule workpiece 200 by a preset length according to the shot overlook image to complete the fiber penetrating action, the dispensing valve 243 of the dispensing mechanism 24 is used for dispensing the optical fiber 300 and the ferrule workpiece 200 which complete the fiber penetrating action, and the curing lamp 242 is used for curing, so that the optical fiber 300 and the ferrule workpiece 200 are fixed, and the optical fiber 300 connector is formed.
According to the automatic assembling equipment of the embodiment, the automatic assembly of the optical fiber 300 connector is completed through the cooperation of the grabbing mechanical arm 40, the visual positioning system and the dispensing device 20, and various problems caused by abrasion of a tool fixture and difference of human factors are eliminated, so that performance parameters and size parameters of a product are ensured, and the consistency of the product is realized. On the other hand, the traceability of the product is realized by utilizing the measurement principle of the visual positioning system and combining an external control system to measure, self-check, collect data and upload the data to a database.
In one embodiment, as shown in fig. 6, the moving platform 30 is disposed at a position between the feeding device 10 and the first CCD positioning mechanism 50, and includes a second X-axis moving mechanism 31 fixed on the base 100, a second Y-axis moving mechanism 32 disposed on the second X-axis moving mechanism 31, and a second Z-axis moving mechanism 33 disposed on the second Y-axis moving mechanism 32, and the grabbing robot 40 is disposed on the moving platform 30 and faces the feeding device 10. The second X-axis movement mechanism 31, the second Y-axis movement mechanism 32 and the second Z-axis movement mechanism 33 all adopt linear motors matched with a screw, the second X-axis movement mechanism 31 can drive the second Y-axis movement mechanism 32 to move back and forth in the X-axis direction, the second Y-axis movement mechanism 32 can drive the second Z-axis movement mechanism 33 to move up and down in the Z-axis direction, the space of the grabbing manipulator 40 in a stroke range can be moved and positioned at will through the matching of the second X-axis movement mechanism 31, the second Y-axis movement mechanism 32 and the second Z-axis movement mechanism 33, and the grabbing manipulator 40 can grab the ferrule workpiece 200 from the loading mechanism 14 and sleeve the ferrule workpiece 200 on the optical fiber 300 of the optical fiber clamp 15 to complete the automatic fiber penetrating action by matching with a visual positioning system.
Specifically, as shown in fig. 7, the gripping robot 40 includes a second mounting plate 41 mounted on the moving platform 30, a pneumatic finger 42 fixed to the second mounting plate 41, and two gripping arms 43 respectively mounted on two pneumatic claws 421 of the pneumatic finger 42, and the two gripping arms 43 can move toward or away from each other by the drive of the pneumatic finger 42 to grip or release the mortise work-piece 200. The second mounting plate 41 is parallel to the YZ plane, the pneumatic finger 42 is fixed on one side of the second mounting plate 41 facing the feeding device 10, the other side of the second mounting plate 41 is fixed on the second Z-axis moving mechanism 33, the second Z-axis moving mechanism 33 can drive the second mounting plate 41 to move up and down in the Z-axis direction, two air claws 421 of the pneumatic finger 42 extend out of the top end of the second mounting plate 41, so that the first CCD positioning mechanism 50 can shoot a side view image of the optical fiber 300 workpiece clamped between the two clamping arms 43 and the corresponding position relationship of the optical fiber 300 and the hole of the optical fiber 300 in the optical fiber 300 workpiece, so that the moving platform 30 drives the clamping manipulator 40 to make the ferrule workpiece 200 perform a fiber penetrating action according to the side view image, and the optical fiber 300 can penetrate through the space between the two clamping arms 43 after penetrating through the ferrule workpiece 200.
In this embodiment, as shown in fig. 8, one end of the ferrule workpiece 200 is provided with a transition hole 201, and the other end is provided with a plurality of optical fiber mounting holes 202, where the cross-sectional range of the transition hole 201 is greater than the range of the positions of the plurality of optical fiber mounting holes 202; the opposite sides of the mortise work 200 are provided with clamping grooves 203 extending along both ends thereof, and the cross section of the clamping groove 203 extends from the outside inwards in a tapered manner, and opposite inner sides of the two clamping arms 43 are respectively formed with protruding strips 431 adapted to the clamping grooves 203. The grabbing manipulator 40 drives the two clamping arms 43 to open and close through the pneumatic fingers 42, and the two opposite convex strips 431 are matched with the two clamping grooves 203 of the mortise workpiece 200, so that the mortise workpiece 200 can be loosened or clamped and fixed.
In one embodiment, in order to improve the working efficiency of the automatic assembling equipment, at least two feeding mechanisms 14 and at least two optical fiber clamps 15 are arranged, and the two feeding mechanisms 14 and the two optical fiber clamps 15 are sequentially arranged at intervals along the Y-axis direction; the first mounting plate 13 is further provided with an adjusting seat 16, the adjusting seat 16 is provided with a third mounting plate 17, the at least two optical fiber clamps 15 are mounted on the third mounting plate 17, and the adjusting seat 16 is used for adjusting the positions of the third mounting plate 17 in the X-axis direction and the Y-axis direction. That is, the position of the optical fiber clamp 15 on the third mounting plate 17 can be adjusted by the adjusting seat 16, so that the moving path of the end of the optical fiber 300 protruding from the optical fiber clamp 15 in the Y-axis direction substantially passes through the intersection position of the optical axes of the first CCD positioning mechanism 50 and the second CCD positioning mechanism 60, so as to improve the definition of the optical fiber 300 photographed by the first CCD positioning mechanism 50 and the second CCD positioning mechanism 60.
Specifically, as shown in fig. 9 and 10 in combination, the adjusting base 16 includes a base plate 161 fixed to the first mounting plate 13, a Y-axis adjusting plate 162 slidably disposed on the base plate 161 in the Y-axis direction, and an X-axis adjusting plate 163 slidably disposed on the Y-axis adjusting plate 162, and the third mounting plate 17 is fixed to the X-axis adjusting plate 163; the base plate 161 is provided with a first adjusting knob 164 for adjusting the position of the Y-axis adjusting plate 162 and a first bolt 165 for locking or unlocking the Y-axis adjusting plate 162, and the Y-axis adjusting plate 162 is provided with a second adjusting knob 166 for adjusting the X-axis adjusting plate 163 and a second bolt 167 for locking or unlocking the X-axis adjusting plate 163.
When the position of the optical fiber clamp 15 in the Y-axis direction needs to be adjusted, the first bolt 165 is loosened to enable the Y-axis adjusting plate 162 to slide in the Y-axis direction relative to the base plate 161, the first adjusting knob 164 drives the Y-axis adjusting plate 162 to move to a desired position on the base plate 161 along the Y-axis direction, and then the first bolt 165 is screwed to enable the Y-axis adjusting plate 162 and the base plate 161 to be relatively fixed; when the position of the optical fiber clamp 15 in the X-axis direction needs to be adjusted, the second screw is loosened to enable the X-axis adjusting plate 163 to slide in the X-axis direction relative to the Y-axis adjusting plate 162, the second adjusting knob 166 drives the X-axis adjusting plate 163 to move to a desired position on the Y-axis adjusting plate 162 in the X-axis direction, and then the second bolt 167 is tightened to enable the X-axis adjusting plate 163 and the Y-axis adjusting plate 162 to be relatively fixed.
In one embodiment, as shown in fig. 11 and 12, the feeding mechanism 14 includes a pushing cylinder 141 and a guide base 142 fixed on the third mounting plate 17 at intervals, and a material box 143 disposed on the guide base 142; an output channel 1421 penetrates through the guide seat 142 along the X-axis direction, a support arm 145 connected with the output channel 1421 is arranged on one side of the guide seat 142 adjacent to the grabbing manipulator 40, a stop portion 146 is formed at the tail end of the support arm 145 in an upward protruding manner, and a positioning portion 147 is arranged at the top of the stop portion 146; a push rod 144 is mounted on the telescopic rod of the push cylinder 141, and the tail end of the push rod 144 extends from the other end of the output channel 1421 opposite to the support arm 145; a storage tank 1431 penetrates through the material box 143 along the Z-axis direction, the ferrule workpiece 200 is stacked in the storage tank 1431 along the Z-axis direction, the lower end of the storage tank 1431 is communicated with the middle of the output channel 1421, and the ferrule workpiece 200 can slide out of the output channel 1421 under the action of the push rod 144 and is stopped and positioned by the stopping portion 146.
When the telescopic rod of the pushing cylinder 141 retracts, the tail end of the push rod 144 retracts to enable the lower end of the stock storage groove 1431 to be communicated with the output channel 1421, at this time, the lowermost mortise workpiece 200 in the stock storage groove 1431 can fall into the output channel 1421, then the push rod 144 descends under the action of the pushing cylinder 141, the mortise workpiece 200 is pushed out from the output channel 1421, so that the mortise workpiece 200 moves to a position where the mortise workpiece abuts against the stopping portion 146, and the positioning portion 147 above is used for positioning, so that the mortise workpiece 200 is prevented from falling; the grabbing manipulator 40 can clamp the two opposite sides of the mortise workpiece 200 under the action of the moving platform 30, and then drive the mortise workpiece 200 to move a distance in the direction of the guide seat 142 to be separated from the limitation of the positioning portion 147, so that the feeding mechanism 14 can be moved out from above, and the workpiece grabbing action of the grabbing manipulator 40 is completed.
In one embodiment, referring to fig. 13, the optical fiber clamp 15 includes a base and a cover plate 152 rotatably disposed on the base 151, wherein a positioning groove 1511 for accommodating the optical fiber 300 is formed on an upper surface of the base 151, and the positioning groove 1511 extends along the X-axis direction and penetrates through an end portion adjacent to the grasping robot 40; the cover plate 152 can rotate to the upper surface of the base 151 and at least cover a section of the positioning groove 1511; and a magnetic attraction structure is disposed between the base 151 and the cover plate 152.
In practical applications, the cover 152 is rotated to completely expose the positioning groove 1511 on the base 151, then the optical fiber 300 of the semi-finished optical fiber 300 connector is installed in the positioning groove 1511, and the end of the installed optical fiber 300 extends out of the positioning groove 1511, and then the cover 152 is rotated to cover the positioning groove 1511, thereby fixing the optical fiber 300 on the base 151.
In one embodiment, the first mounting plate 13 is further provided with a backlight 18, the backlight 18 and the first CCD positioning mechanism 50 are respectively located at two opposite sides of the optical fiber clamp 15 in the X-axis direction, and the irradiation direction of the backlight 18 faces the optical fiber clamp 15, and the backlight 18 is utilized to provide sufficient light source and special color illumination for the position of the optical fiber clamp 15, so as to improve the definition and contrast of the captured image information of the visual positioning system and improve the positioning accuracy.
The invention also provides a high-precision automatic assembling method of the optical fiber connector, which is applied to the high-precision automatic assembling equipment of the optical fiber connector and comprises the following steps:
installing a plurality of ferrule workpieces 200 on the loading mechanism 14, and installing the optical fiber 300 to be penetrated into the optical fiber clamp 15;
starting the motion platform 30 to drive the grabbing mechanism to grab a mortise workpiece 200 from the feeding mechanism 14;
starting a visual positioning system, shooting a side view image of the optical fiber clamp 15 by using a first CCD positioning mechanism 50 and shooting a top view image of the optical fiber clamp 15 by using a second CCD positioning mechanism 60;
the moving platform 30 drives the grabbing manipulator 40 according to the shot side view image and the shot top view image, so that the grabbed ferrule workpiece 200 is sleeved on the optical fiber 300 clamped by the optical fiber clamp 15, the optical fiber 300 penetrates out of the ferrule workpiece 200 by a preset length, and the fiber penetrating action is completed;
and starting the dispensing device 20, and dispensing and fixing the optical fiber 300 which finishes the fiber penetrating action and the ferrule workpiece 200 by the dispensing mechanism 24 under the action of the first X-axis movement mechanism 22 and the first Z-axis movement mechanism 23 according to the overlook image.
According to the high-precision automatic assembly method of the optical fiber connector, various positioning sensors can be arranged on automatic assembly equipment to control the starting and stopping positions of the movement mechanisms, so that the automatic fiber penetrating efficiency is improved; the automatic assembly of the optical fiber 300 connector is completed through the cooperation of the grabbing mechanical arm 40, the visual positioning system and the dispensing device 20, and various problems caused by abrasion of a tool fixture and difference of human factors are eliminated, so that performance parameters and size parameters of a product are guaranteed, and the consistency of the product is realized. On the other hand, the traceability of the product is realized by utilizing the measurement principle of the visual positioning system and combining with an external control system to measure, self-check, collect data and upload the data to the database.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In view of the above description of the technical solutions provided by the present invention, those skilled in the art will recognize that there may be variations in the technical solutions and the application ranges according to the concepts of the embodiments of the present invention, and in summary, the content of the present specification should not be construed as limiting the present invention.
Claims (10)
1. The utility model provides a fiber connector high accuracy automatic assembly equipment which characterized in that includes:
a base;
the feeding device comprises a first mounting frame fixed on the base, a first Y-axis movement mechanism arranged on the first mounting frame, a first mounting plate arranged on the first Y-axis movement mechanism, a feeding device and an optical fiber clamp, wherein the feeding device and the optical fiber clamp are arranged on the first mounting plate at intervals along the Y-axis direction;
the glue dispensing device comprises a portal frame fixed on the base, a first X-axis movement mechanism arranged on the portal frame, a first Z-axis movement mechanism arranged on the first X-axis movement mechanism and a glue dispensing mechanism arranged on the first Z-axis movement mechanism;
the visual positioning system comprises a first CCD positioning mechanism arranged on the base and a second CCD positioning mechanism arranged on the portal frame, the first CCD positioning mechanism is used for shooting side-looking images of the optical fiber clamp, and the second CCD positioning mechanism is used for shooting top-looking images of the optical fiber clamp;
the grabbing mechanical arm is movably arranged on the base through a moving platform and used for grabbing the ferrule workpiece provided by the feeding mechanism, sleeving the ferrule workpiece on the optical fiber clamped by the optical fiber clamp according to the shot side view image, and enabling the optical fiber to penetrate out of the ferrule workpiece by the preset length according to the shot top view image so as to enable the dispensing mechanism to dispense and fix the optical fiber and the ferrule workpiece which finish the fiber penetrating action.
2. The optical fiber connector high-precision automatic assembling equipment according to claim 1, wherein the moving platform comprises a second X-axis moving mechanism fixed on the base, a second Y-axis moving mechanism arranged on the second X-axis moving mechanism, and a second Z-axis moving mechanism arranged on the second Y-axis moving mechanism, and the grabbing manipulator is arranged on the moving platform and faces the feeding device.
3. The high-precision automatic assembling equipment for the optical fiber connectors as claimed in claim 1 or 2, wherein the grabbing manipulator comprises a second mounting plate mounted on the moving platform, a pneumatic finger fixed on the second mounting plate, and two clamping arms respectively mounted on two pneumatic claws of the pneumatic finger, and the two clamping arms can move close to or away from each other under the driving of the pneumatic finger so as to clamp or release the ferrule workpiece.
4. The high-precision automatic assembling equipment for the optical fiber connector according to claim 3, wherein one end of the ferrule workpiece is provided with a transition hole, the other end of the ferrule workpiece is provided with a plurality of optical fiber mounting holes, and the section range of the transition hole is larger than the range of the positions of the optical fiber mounting holes; the opposite sides of the insert core workpiece are provided with clamping grooves extending along the two ends of the insert core workpiece, the cross sections of the clamping grooves extend inwards in a reducing mode from the outer sides, and convex strips matched with the clamping grooves are formed on the opposite inner sides of the two clamping arms respectively.
5. The high-precision automatic assembling equipment for the optical fiber connector according to claim 1, wherein the number of the feeding mechanisms and the number of the optical fiber clamps are at least two, and the two feeding mechanisms and the two optical fiber clamps are sequentially arranged at intervals along the Y-axis direction; first mounting panel still is provided with one and adjusts the seat, be equipped with the third mounting panel on adjusting the seat, at least two the fiber clamp is installed on the third mounting panel, it is used for adjusting to adjust the seat the third mounting panel is in the ascending position of X axle direction and Y axle direction.
6. The high-precision automatic assembling equipment for optical fiber connectors according to claim 5, wherein the adjusting seat comprises a base plate fixed on the first mounting plate, a Y-axis adjusting plate slidably arranged on the base plate along a Y-axis direction, and an X-axis adjusting plate slidably arranged on the Y-axis adjusting plate, and the third mounting plate is fixed on the X-axis adjusting plate; be equipped with on the bottom plate and be used for adjusting the first adjust knob of Y axle regulating plate position and be used for locking or loosen the first bolt of Y axle regulating plate, be equipped with on the Y axle regulating plate and be used for adjusting the second adjust knob of X axle regulating plate and be used for locking or loosen the second bolt of X axle regulating plate.
7. The high-precision automatic assembling equipment for the optical fiber connectors according to claim 5, wherein the feeding mechanism comprises a pushing cylinder and a guide seat which are fixed on the third mounting plate and are arranged at intervals, and a material box arranged on the guide seat;
an output channel penetrates through the guide seat along the X-axis direction, a supporting arm connected with the output channel is arranged on one side, close to the grabbing manipulator, of the guide seat, a stopping part is formed at the tail end of the supporting arm in an upward protruding mode, and a positioning part is arranged at the top of the stopping part;
a push rod is arranged on a telescopic rod of the push cylinder, and the tail end of the push rod extends into the other end of the output channel opposite to the supporting arm; the material box is internally provided with a storage tank along the Z-axis direction in a penetrating manner, the inserting core workpiece is arranged in the storage tank along the Z-axis direction in a stacking manner, the lower end of the discharge tank is communicated with the middle part of the output channel, and the inserting core workpiece can slide out of the output channel under the action of the push rod and is positioned by the stopping part.
8. The high-precision automatic assembling equipment for the optical fiber connector according to claim 1, wherein the optical fiber clamp comprises a base and a cover plate rotatably arranged on the base, a positioning groove for accommodating the optical fiber is formed on the upper surface of the base, and the positioning groove extends along the X-axis direction and penetrates through the end part adjacent to the grabbing manipulator; the cover plate can rotate to the upper surface of the base and at least covers one section of area of the positioning groove; and a magnetic attraction structure is arranged between the base and the cover plate.
9. The high-precision automatic assembling equipment for the optical fiber connector as claimed in claim 1, wherein a backlight is further disposed on the first mounting plate, the backlight and the first CCD positioning mechanism are respectively disposed on two opposite sides of the optical fiber clamp in the X-axis direction, and the irradiation direction of the backlight faces the optical fiber clamp.
10. A high-precision automatic assembling method for optical fiber connectors, which is applied to the high-precision automatic assembling equipment for optical fiber connectors as claimed in any one of claims 1 to 9, and comprises the following steps:
installing a plurality of inserting core workpieces on a feeding mechanism, and installing optical fibers to be penetrated into an optical fiber clamp;
starting a motion platform to drive a grabbing mechanism to grab one insert core workpiece from the feeding mechanism;
starting a visual positioning system, and shooting a side view image of the optical fiber clamp by using a first CCD positioning mechanism and shooting a top view image of the optical fiber clamp by using a second CCD positioning mechanism;
the moving platform drives the grabbing manipulator according to the shot side view image and the shot top view image so as to enable the grabbed ferrule workpiece to be sleeved on the optical fiber clamped by the optical fiber clamp and enable the optical fiber to penetrate out of the ferrule workpiece by a preset length, and fiber penetrating action is completed;
and starting the dispensing device, and dispensing and fixing the optical fiber and the ferrule workpiece which finish the fiber penetrating action by the dispensing mechanism under the action of the first X-axis movement mechanism and the first Z-axis movement mechanism according to the overlook image.
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| CN202110780182.9A CN113522649B (en) | 2021-07-09 | 2021-07-09 | High-precision automatic assembling equipment and method for optical fiber connector |
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| CN202110780182.9A CN113522649B (en) | 2021-07-09 | 2021-07-09 | High-precision automatic assembling equipment and method for optical fiber connector |
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| CN114325994A (en) * | 2022-01-12 | 2022-04-12 | 中山金汇金属制造有限公司 | Optical fiber installation apparatus |
| CN114345640A (en) * | 2022-02-17 | 2022-04-15 | 创意塑胶工业（苏州）有限公司 | Automatic change point and glue equipment |
| CN114675389A (en) * | 2022-05-31 | 2022-06-28 | 中山市联申达科技有限公司 | Fiber array coupling fiber penetrating assembling mechanism |
| CN114966996A (en) * | 2022-06-15 | 2022-08-30 | 北京瑞祺皓迪技术股份有限公司 | Optical fiber connector grabbing device and optical fiber wiring method |
| CN115502689A (en) * | 2022-10-19 | 2022-12-23 | 成都川哈工机器人及智能装备产业技术研究院有限公司 | Automatic assembly system and artificial intelligence assembly method based on rapid image recognition |
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| CN115502689A (en) * | 2022-10-19 | 2022-12-23 | 成都川哈工机器人及智能装备产业技术研究院有限公司 | Automatic assembly system and artificial intelligence assembly method based on rapid image recognition |
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| CN113522649B (en) | 2022-03-11 |
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Address after: 518000 workshop 101 and 501, No. 4, Honghui Industrial Zone, No. 2 Liuxian Third Road, Xingdong community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Heng Dongguang Communication Technology (Shenzhen) Co.,Ltd. Address before: 518000 1st, 5th and 6th floors of No.4 factory building, Honghui Industrial Park, Liuxian 2nd Road, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: HENGDONG OPTICAL COMMUNICATION TECHNOLOGY (SHENZHEN) Co.,Ltd. |
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