CN113522650A - Automatic glue injection and suction equipment and method for optical communication connector - Google Patents
Automatic glue injection and suction equipment and method for optical communication connector Download PDFInfo
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- CN113522650A CN113522650A CN202110793145.1A CN202110793145A CN113522650A CN 113522650 A CN113522650 A CN 113522650A CN 202110793145 A CN202110793145 A CN 202110793145A CN 113522650 A CN113522650 A CN 113522650A
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- glue
- sucking
- injection
- suction
- glue injection
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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
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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
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/12—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed after the application
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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
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
- G02B6/3889—Anchoring optical cables to connector housings, e.g. strain relief features using encapsulation for protection, e.g. adhesive, molding or casting resin
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The application relates to an automatic glue injection and suction device and method for an optical communication connector, relating to the technical field of glue injection and suction devices and comprising a rack, a mounting mechanism, a glue injection mechanism and a glue suction mechanism; the glue sucking mechanism comprises a glue sucking seat and a negative pressure part, the glue sucking seat is provided with a negative pressure cavity, the end face of the negative pressure cavity is provided with a vacuum suction nozzle, the vacuum suction nozzle is provided with a glue sucking cavity, the glue sucking cavity is communicated with the negative pressure cavity, and one side of the glue sucking cavity, which is close to the negative pressure cavity, is provided with a clearance groove. The inserting core moves to enable the glue sucking end of the inserting core to enter the glue sucking cavity but not enter the clearance groove, so that a clearance is reserved between the inserting core and the opening end face of the negative pressure cavity. Inhale gluey inslot wall and negative pressure chamber opening terminal surface and be difficult for being stained with glue, the lock pin is also difficult for can be stained with glue from inhaling gluey inslot wall and negative pressure chamber opening terminal surface, from this for the automatic injecting glue of this application inhales gluey equipment can effectively reduce the vacuum suction nozzle and need reworking the frictioning and influence the problem of MT lock pin normal production because of being stained with glue.
Description
Technical Field
The application relates to the technical field of glue injection equipment, in particular to automatic glue injection and suction equipment and method for an optical communication connector.
Background
With the rapid development of the information industry, data throughput and throughput are increasing, so that the speed requirement and efficiency requirement of the communication industry for the data transmission mode are continuously increased. Therefore, optical communication with higher speed, larger data information capacity and low energy consumption is developed and matured continuously, and gradually replaces the traditional communication technology. From consumer electronics to data centers, optical communication has been applied to many occasions, and is closely related to people's life, and along with the 5G technology being gradually popularized and applied, the demand of optical fiber connectors such as optical fiber jumpers and the like used in cooperation with optical communication is rapidly increasing.
The optical fiber jumper is characterized in that connector plugs are arranged at two ends of an optical cable so as to realize movable connection of optical paths. The quality and assembly process of the ferrule, which is one of the most basic raw materials used in the connector plug, can greatly affect the insertion loss and the return loss of the optical fiber link. The MT ferrule is one of the conventional ferrules, and various products with high speed and high data transmission capacity are used.
Referring to fig. 1, before the MT ferrule 1 is assembled into the optical fiber patch cord, the small hole 11 in the ferrule 1 needs to be filled with glue. In order to achieve the effect, a proper amount of glue is firstly filled in the glue injection groove 12 of the ferrule 1 by using the syringe 2, the glue is sucked from the glue suction end 13 of the ferrule 1 by using the vacuum suction nozzle, the glue suction end 13 is a position where the small hole 11 is far away from the glue injection groove 12 of the ferrule 1, and therefore the glue fills the inside of the small hole 11 of the MT ferrule 1 under the action of vacuum suction.
However, in the actual production process, the vacuum suction nozzle is easy to be stained with glue, and the stained glue is stained on the shell of the next MT ferrule to be stained with glue, so that the ferrule shell needs to be scraped, and the normal production of the follow-up MT ferrule is affected.
Disclosure of Invention
In order to solve the problem that normal production of the MT ferrule is affected due to the fact that the ferrule shell is stained with glue, the application aims to provide automatic glue injection and suction equipment and method for the optical communication connector.
First aspect, the utility model provides an automatic injecting glue of optical communication connector inhales gluey equipment adopts following technical scheme:
the utility model provides an automatic injecting glue of optical communication connector inhales gluey equipment, includes:
a frame;
the assembling mechanism is arranged on the rack in a sliding manner and is used for clamping the inserting core;
the glue injection mechanism is arranged on the rack and used for injecting glue into the glue injection groove of the ferrule;
the glue sucking mechanism is arranged on the rack and comprises a glue sucking seat and a negative pressure part for providing negative pressure for the glue sucking seat, the glue sucking seat is installed on one side of the rack and located on the glue injection mechanism, the glue sucking seat is provided with a negative pressure cavity, a vacuum suction nozzle is installed on the end face, close to one end of the glue injection mechanism, of the negative pressure cavity, the vacuum suction nozzle is provided with a glue sucking cavity for the insertion core to enter the glue sucking end and to be suspended, the glue sucking cavity is communicated with the negative pressure cavity, and a clearance groove for forbidding the insertion core to enter is formed in one side, close to the negative pressure cavity, of the glue sucking cavity.
By adopting the technical scheme, after the inserting core is arranged on the assembling mechanism, the assembling mechanism drives the inserting core to move so that the glue absorbing end of the inserting core enters the glue absorbing cavity but does not enter the clearance groove, and therefore a clearance is reserved between the inserting core and the opening end face of the negative pressure cavity. At the moment, glue is injected into the notch of the glue injection groove of the ferrule by using the glue injection mechanism, and the negative pressure piece is started to enable the negative pressure cavity to generate suction force on the ferrule small hole in the glue suction cavity, so that the glue in the glue injection groove is sucked into the small hole.
Because the lock pin is hung in the glue suction groove and is not contacted with the inner wall of the glue suction groove and the opening end face of the negative pressure cavity, the inner wall of the glue suction groove and the opening end face of the negative pressure cavity are not easy to be stained with glue, even if glue falls into the glue suction groove or the negative pressure cavity due to careless too large suction force, the lock pin is not easy to be stained with the glue from the inner wall of the glue suction groove and the opening end face of the negative pressure cavity, therefore, the automatic glue injecting and sucking equipment can effectively reduce the problem that the normal production of the MT lock pin is influenced by reworking and scraping of the vacuum suction nozzle due to the fact that the glue is stained with, and the damage of the lock pin caused by scraping is reduced. Meanwhile, the insertion core is not in physical contact with the glue sucking mechanism, and the insertion core is not easy to generate position deviation due to external force extrusion in the process of entering the glue sucking cavity, so that the extrusion damage of the glue sucking seat and the vacuum suction nozzle to the insertion core is reduced, and the insertion core is not easy to collide and damage with a needle head of a needle cylinder due to the position deviation.
Optionally, the vacuum nozzle is resilient.
Through adopting above-mentioned technical scheme, have elastic vacuum nozzle and can use the flexible glue material to make to when making the lock pin touch vacuum nozzle because of unexpected condition modes such as debugging or error, can reduce vacuum nozzle and harm the rigidity of lock pin through elastic deformation.
In a second aspect, the application provides an automatic glue injection and suction method for an optical communication connector, which adopts the following technical scheme:
an automatic glue injection and suction method for an optical communication connector comprises the following steps:
installing the inserting core;
moving the inserting core: the glue absorbing end of the inserting core enters the glue absorbing groove of the vacuum suction nozzle so that the inserting core is suspended in the glue absorbing groove, a gap is reserved between the inserting core and the inner wall of the glue absorbing groove so that the glue absorbing end of the inserting core does not enter the gap retaining groove, and a gap is reserved between the glue absorbing end of the inserting core and the opening end face of the negative pressure cavity of the glue absorbing seat;
injecting glue: filling glue into the glue injection groove of the ferrule;
glue absorption: applying negative pressure to the glue sucking end of the inserting core so that the glue in the glue injecting groove of the inserting core is sucked by the negative pressure and fills the small holes;
and taking out the inserting core.
Through adopting above-mentioned technical scheme, the lock pin that will treat the injecting glue moves to vacuum suction nozzle inhales the gluey inslot, because the lock pin does not take place the contact with vacuum suction nozzle's the gluey inslot inner wall of inhaling, also does not take place the contact between the seat with inhaling to reduce and inhale gluey seat and vacuum suction nozzle and be stained with the possibility of glue on the lock pin, even there is the lock pin glue of the first time to spill over and fall into vacuum suction nozzle and inhale gluey seat on, the working method that does not take place physical contact also can effectively reduce vacuum suction nozzle and inhale gluey glue on the seat and glue on the lock pin of injecting glue after. Therefore, the automatic glue injection and suction method effectively reduces the occurrence of the condition that the core insert needs reworking and scraping due to the fact that the core insert is adhered to glue, thereby reducing the damage of the core insert caused by scraping and reducing the influence on the stability and the high efficiency of the production process flow of the core insert.
Optionally, before injecting the glue into the glue injection groove of the ferrule, the automatic glue injection and suction method further includes moving the syringe so that the syringe of the needle enters the glue injection groove; in a particular method of moving a syringe, comprising:
translating the needle cylinder: moving the needle cylinder along the horizontal direction, and determining the position of the needle cylinder based on the position of the vacuum suction nozzle;
lifting the needle cylinder: the needle cylinder is moved along the vertical direction, the end part of the needle head of the needle cylinder enters the glue injection groove, and the end part of the needle head is suspended in the glue injection groove so that a gap is reserved between the needle head and the inner wall of the glue injection groove.
Through adopting above-mentioned technical scheme, the syringe needle counterpoint of this application automatic injecting glue method, the mode of adoption is syringe needle and vacuum suction nozzle's counterpoint, compare in the zero point counterpoint that traditional syringe needle carried out X axle Y axle again at the completion of work at every turn, the syringe movement method of this application chooses for use relative coordinate displacement can effectively reduce the distance that the syringe need remove to reduce the required spatial layout demand of equipment realization location removal, reduce the removal distance of syringe simultaneously and can reduce the removal time of syringe, thereby effectively improved the efficiency of this automatic injecting glue method injecting glue of inhaling injecting glue.
Optionally, the pot life T of the glue includes a plurality of execution time periods, and in each execution time period, a specific method for injecting the glue into the glue injection groove of the ferrule includes:
matching initial glue injection time, and determining glue injection time parameters corresponding to the initial glue injection time set based on the actual glue execution time point and the execution time period set in the glue application period; the execution time period set comprises a plurality of execution time periods, and each glue injection time parameter in the glue injection time set can reflect glue injection time corresponding to glue actual execution time points based on different execution time periods;
and injecting glue, namely injecting the glue into the glue injection groove based on the glue injection time.
Because the glue is prepared, injected into the needle cylinder and then formally injected, the time duration is not a fixed value, and the glue injection time is determined based on the time of glue preparation by adopting the selection of the glue injection time, so that the accuracy of the glue injection effect is effectively improved. When each execution time period is finished and the next execution time period is started, the glue injection time corresponding to the next execution time period can be automatically selected by the glue injection time of the needle cylinder, the process is simple, convenient and quick, the stability of the glue injection amount in the glue application period can be effectively improved, the situation that glue needs to be scraped excessively or needs to be supplemented excessively is reduced, and therefore the smoothness and the stability of the production of the insert core are improved.
Optionally, the specific method of injecting glue into the glue injection groove of the ferrule each time or any time after the first time within the corresponding execution time period includes:
obtaining the glue injection effect, and determining the previous glue injection amount; the previous glue injection amount is the glue injection amount obtained based on the glue injection time;
glue injection error matching, namely determining glue injection time adjustment parameters based on the previous glue injection amount and the reference glue injection amount;
adjusting glue injection time, namely adjusting the glue injection time based on glue injection time adjustment parameters;
and injecting glue, namely injecting the glue into the glue injection groove of the ferrule based on the glue injection time.
By adopting the technical scheme, whether the error is in the allowable range is judged based on the previous glue injection amount, so that the glue injection time adjustment parameter of the glue injection time is determined, and the glue injection time is changed based on the glue injection time parameter, so that the glue injection amount is stabilized in the allowable error range of the glue injection amount in the same execution time period.
Optionally, a specific method for sucking the glue in the corresponding execution time period includes:
matching initial glue sucking parameters, and determining glue sucking parameters corresponding to the initial glue sucking parameter set based on the actual execution time point of the glue and the execution time period set in the glue application period; each glue sucking parameter in the glue sucking parameter set can reflect a glue sucking parameter corresponding to the glue actual execution time point based on the non-execution time period;
and (5) sucking glue water, and applying negative pressure to the glue sucking end of the insert core based on the glue sucking parameters.
By adopting the technical scheme, the increase of the viscosity of the known glue in the application period is nonlinear positive increase change, so that the suction force required for sucking the glue is also nonlinear positive increase change, the application period of the glue can be divided into a plurality of execution time periods according to a change curve of the viscosity of the glue, the glue sucking amount for sucking the glue to fill the small holes under the same parameter in each execution time period is within an error allowable range, and the overflow state of the glue sucking glue under the same parameter in each execution time period is stabilized within an error allowable range, namely, a determined glue sucking parameter is correspondingly arranged in each execution time period. And the glue overflow state error of the glue sucking parameter sucking inserting core in the execution time period is within the range allowed by the actual error, namely the overflow state of the glue is used as a judgment standard, and at the moment, the glue sucking parameter corresponding to each execution time period forms an initial glue sucking parameter.
The glue filling method has the advantages that the glue filling time is not customized from the time of the glue preparation to the time of the glue injection into the needle cylinder to the time of the glue injection and then the time of the glue suction to the small hole filling, and the glue suction parameters are selected based on the time of the glue preparation, so that the accuracy of the glue suction effect is effectively improved. When each execution time period is finished and the next execution time period is started, the glue sucking parameters corresponding to the next execution time period can be automatically selected and used, the process is simple, convenient and fast, the stability of the glue sucking state in the glue application period is effectively improved, the situation that the glue needs to be scraped or needs to be supplemented and sucked too much glue is reduced, and the smoothness and the stability of the production of the inserting core are improved.
Optionally, the specific method of sucking the glue each time or any time after the first time within the corresponding execution time period includes:
obtaining a glue suction sample, and determining the overflow state of the glue suction glue at the previous time; the glue overflow state of the previous glue suction is a glue overflow state obtained based on the glue suction parameters;
glue suction error matching, namely determining glue suction state adjustment parameters based on the previous glue suction overflow state and the reference glue suction overflow state;
adjusting the glue sucking parameters, namely adjusting the glue sucking parameters based on the glue sucking state adjusting parameters;
and (5) sucking glue water, and applying negative pressure to the glue sucking end of the insert core based on the glue sucking parameters.
By adopting the technical scheme, the glue sucking state in the actual operation process is possibly influenced by multiple factors such as small hole diameter error, temperature, air pressure and the like, so that the glue sucking overflow state possibly exceeds the error allowable range in the same execution time period, at the moment, whether the glue sucking state is in the error allowable range is judged based on the previous glue sucking overflow state, so that the glue sucking state adjustment parameter required by the glue sucking parameter is determined, the glue injection time is changed based on the glue sucking adjustment parameter, and the glue sucking overflow state in the same execution time period is stable in the error allowable range.
Optionally, the glue sucking parameters include glue sucking pressure and glue sucking time.
By adopting the technical scheme, the overflow state of the glue sucking glue is completed by the cooperative regulation of the glue sucking pressure applied to the glue sucking end of the inserting core and the glue sucking time. The priority level of the glue sucking time is controlled to be the highest, but the glue sucking time is not longer than the glue injecting time. When the glue sucking parameters need to be adjusted, the glue sucking duration should be preferentially changed, and when the glue sucking duration is consistent with the glue injecting duration, the glue injecting pressure can only be adjusted.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the inserting core is suspended in the glue sucking groove and is not in contact with the inner wall of the glue sucking groove and the opening end face of the negative pressure cavity, so that the inner wall of the glue sucking groove and the opening end face of the negative pressure cavity are not easy to be stained with glue, and even if glue falls into the glue sucking groove or the negative pressure cavity due to careless too large suction force, the inserting core is not easy to be stained with the glue from the inner wall of the glue sucking groove and the opening end face of the negative pressure cavity, therefore, the automatic glue injecting and sucking equipment can effectively reduce the problem that the normal production of the MT inserting core is influenced by reworking and scraping of the vacuum suction nozzle due to the fact that the vacuum suction nozzle is stained with the glue, and reduces possible damage of the inserting core due to scraping;
2. the inserting core is not in physical contact with the glue sucking mechanism, so that the inserting core is not easy to deviate due to external force extrusion in the process of entering the glue sucking cavity, the extrusion damage of the glue sucking seat and the vacuum suction nozzle to the inserting core is reduced, and the inserting core is not easy to collide and damage with a needle head of a needle cylinder due to the deviation;
3. because the glue is prepared, injected into the needle cylinder and then formally injected, the time duration is not a fixed value, and the glue injection time is determined based on the time of glue preparation by adopting the selection of the glue injection time, so that the accuracy of the glue injection effect is effectively improved. When each execution time period is finished and the next execution time period is started, the glue injection time corresponding to the next execution time period can be automatically selected by the glue injection time of the needle cylinder, the process is simple, convenient and quick, the stability of the glue injection amount in the glue application period can be effectively improved, the situation that glue needs to be scraped excessively or needs to be supplemented excessively is reduced, and therefore the smoothness and the stability of the production of the insert core are improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a ferrule of the prior art;
FIG. 2 is a schematic view of the overall structure of the automatic glue injection and suction device of the present application;
FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;
FIG. 4 is a schematic cross-sectional structural view of the relative positions of the glue-sucking mechanism and the ferrule during glue sucking of the present application;
fig. 5 is a flowchart of an embodiment of an automatic glue sucking and injecting method according to the present application.
In the figure, 1, a ferrule; 11. a small hole; 12. injecting glue groove; 13. a glue sucking end; 2. a needle cylinder; 21. a needle head; 3. a frame; 4. a fitting mechanism; 41. an installation table; 42. positioning a groove; 5. a glue injection mechanism; 51. an XYZ sliding table; 52. a mounting seat; 521. mounting grooves; 6. a glue sucking mechanism; 61. a glue sucking seat; 62. a vacuum nozzle; 621. a glue sucking cavity; 622. a clearance groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses automatic injecting glue of optical communication connector inhales gluey equipment.
An automatic glue injection and suction device for an optical communication connector is used for performing a glue injection process and a glue suction process on a ferrule 1, so that glue injection production of the ferrule 1 is completed.
Referring to fig. 2, the automatic glue injection and suction device comprises a rack 3, a piece installing mechanism 4, a glue injection mechanism 5 and a glue suction mechanism 6, wherein the piece installing mechanism 4 is slidably arranged on the rack 3 and is used for clamping the ferrule 1 and driving the ferrule 1 to move towards the direction close to or far away from the glue suction mechanism 6. The glue injection mechanism 5 is arranged on the rack 3 and used for injecting quantitative glue into the glue injection groove 12 of the ferrule 1. The glue sucking mechanism 6 is arranged on the rack 3 and below the glue injection mechanism 5, and is used for sucking glue in the glue injection groove 12 of the ferrule 1 into the small hole 11 of the ferrule 1 and enabling the glue to form a glue platform on an opening where the glue sucking end 13 is located on the small hole 11.
Referring to fig. 3, the mounting mechanism 4 includes a mounting table 41 for mounting the ferrule 1, a positioning groove 42 for mounting the ferrule 1 is provided on the mounting table 41, the positioning groove 42 has a glue injecting opening and a glue sucking opening, the glue injecting opening of the positioning groove 42 faces upward, and the glue sucking opening of the positioning groove 42 faces to one horizontal side. After the ferrule 1 enters the positioning groove 42 from the glue injection opening or the glue suction opening, the glue suction end 13 of the ferrule 1 is located outside the side where the glue suction opening of the positioning groove 42 is located, so that the ferrule 1 moves to the glue suction mechanism 6.
The glue injection mechanism 5 is positioned above the assembling mechanism 4. The glue injection mechanism 5 comprises an XYZ sliding table 51 mounted on the rack 3, and a mounting seat 52 for mounting the syringe 2 is arranged on the sliding table. The mount 52 is provided with a mounting groove 521, and the cylinder 2 is held by the mount 52. The needle cylinder 2 moves to the glue sucking mechanism 6, the needle head 21 of the needle cylinder 2 extends into the glue injection groove 12 of the ferrule 1 on one side of the glue sucking mechanism 6, the needle head 21 is not contacted with any position such as the inner wall of the glue injection groove, and the like, namely, the needle head 21 is not physically contacted with the ferrule 1.
Referring to fig. 3 and 4, the glue-sucking mechanism 6 includes a glue-sucking seat 61 and a negative pressure member for supplying negative pressure to the glue-sucking seat 61. The negative pressure piece can be a vacuum pump or other equipment capable of generating negative pressure, and can be arranged on the frame 3 or be arranged outside. The glue sucking seat 61 is installed on the frame 3 and located on one side of the glue sucking opening of the installation table 41 on the glue injection mechanism 5. The glue sucking seat 61 is provided with a negative pressure cavity connected with a negative pressure piece, and the negative pressure cavity is in a negative pressure state when the negative pressure piece is started. The end face of the negative pressure cavity close to one end of the glue injection mechanism 5 is provided with a vacuum suction nozzle 62, and the glue suction cavity 621 is communicated with the negative pressure cavity. The vacuum suction nozzle 62 is provided with a glue suction cavity 621 for the glue suction end 13 of the ferrule 1 to enter and suspend, and one side of the glue suction cavity 621 close to the negative pressure cavity is provided with a clearance groove 622 for prohibiting the ferrule 1 from entering. The inserting core 1 enters the glue sucking groove and is not contacted with the inner wall of the glue sucking groove and the opening end surface of the negative pressure cavity, namely, the inserting core 1 is not physically contacted with the glue sucking mechanism 6.
The application also discloses an automatic glue injection and suction method of the optical communication connector, which can effectively reduce the occurrence of the condition that the normal production of the ferrule 1 is affected by glue scraping and the like due to glue adhesion.
Example one
Referring to fig. 5, the main flow of the automatic glue injection and suction method is as follows:
SO1, mounting the syringe 2.
The needle cylinder 2 is arranged in the installation groove 521 of the installation seat 52 on the XYZ sliding table 51, then glue is poured into the needle cylinder 2, and the needle cylinder 2 is inflated to fill the needle head 21 on the needle cylinder 2 with the glue;
and S02, installing the ferrule 1 to be injected with glue.
The ferrule 1 is mounted in the mounting groove 521 of the mounting table 41, the glue injection groove 12 of the ferrule 1 opens toward the glue injection opening of the positioning groove 42, the glue suction end 13 of the ferrule 1 extends out of the glue suction opening of the positioning groove 42, and the position of the ferrule 1 is determined based on the position of the vacuum suction nozzle 62. The glue absorbing end 13 of the inserting core 1 enters the glue absorbing cavity 621 but does not enter the gap retaining groove 622, the inserting core 1 is suspended in the glue absorbing groove, at this time, a gap is left between the inserting core 1 and the inner wall of the glue absorbing groove, and a gap is left between the glue absorbing end 13 of the inserting core 1 and the opening end face of the negative pressure cavity of the glue absorbing seat 61, namely, no physical contact exists between the inserting core 1 and the glue absorbing mechanism 6.
S03, the syringe 2 is moved.
S031, translate the syringe 2.
The cylinder 2 is moved in the horizontal direction along the X-axis and the Y-axis, and the position of the cylinder 2 is determined based on the position of the vacuum suction nozzle 62, that is, the cylinder 2 is aligned with the vacuum suction nozzle 62. The syringe 2 is usually made of plastic, and when the syringe 2 is fixed by a clamping force during installation, a certain amount of small deformation exists, so that the position of the needle 21 on the syringe 2 has a certain position deviation, while the alignment of the conventional syringe 2 is zero alignment between the installation seat 52 and the X-axis Y-axis, and the problem of glue injection position deviation caused by the position deviation between the syringe 2 and the sliding table cannot be solved. The counterpoint mode of cylinder 2 and 62 counterpoints of vacuum suction nozzle can not only reduce the overall arrangement problem that traditional X axle Y axle counterpoint needs big space to remove, can also reduce the injecting glue position skew problem that cylinder 2 corresponds syringe needle 21 position error and leads to on less cylinder 2.
S032, and lifting the needle cylinder 2.
The needle cylinder 2 is moved along the vertical direction, and the position of the needle 21 of the needle cylinder 2 is determined according to the position of the glue injection groove 12 on the inserting core 1. The needle 21 enters the glue injection groove 12 of the ferrule 1 from the glue injection opening of the positioning groove 42, and the needle 21 does not contact with any position such as the inner wall of the glue injection groove, i.e. there is no physical contact between the needle 21 and the ferrule 1.
S04, executing time period
And injecting glue into the glue injection groove 12 of the ferrule 1.
The viscosity of the glue increases in a known non-linear positive increase change in the pot life, and the pot life of the glue can be divided into n execution time periods according to the viscosity change curve of the glue
The change value of the viscosity of the glue can be maintained at a fixed value and an error interval thereof in each time period. Wherein n is a positive integer, and x is more than or equal to 1 and less than or equal to n.
In the specific step of S04, the method includes:
and S041, matching the initial glue injection time.
And determining glue injection time parameters corresponding to the initial glue injection time set based on the actual glue execution time point and the execution time period set in the glue application period.
Execution timeThe set of segments is positioned as: {
}。
Corresponding to a set of execution periods
And each glue injection time parameter in the glue injection time set can reflect the glue injection time t corresponding to the actual glue execution time point based on different execution time periods. The glue injection time set is defined as: {
}. It should be noted that the glue injection time parameter may be a time value obtained from actual experience, or may be a time value obtained through experimental calculation.
And S042, injecting glue. Based on the glue injection time t determined in the S0411, the needle head 21 is controlled to be opened and closed according to the glue injection time t, so that quantitative glue is injected into the glue injection groove 12 of the ferrule 1.
S05, sucking glue: applying negative pressure on the glue sucking end 13 of the ferrule 1 to suck the glue in the glue injecting groove 12 of the ferrule 1 by the negative pressure and fill the small hole 11
In the specific step of S05, the method includes:
and S051, matching initial glue sucking parameters.
Set of execution time period based on actual execution time point and glue pot life
Determining the glue absorption parameters corresponding to the initial glue absorption parameter set
。
Wherein the corresponding to the set of execution time periods
And each glue sucking parameter in the glue sucking parameter set
Can reflect the glue sucking parameters corresponding to the actual execution time points of the glue based on the execution time period
. Glue absorption parameter
Including the glue suction pressure and the glue suction time. The priority level of the glue sucking time is controlled to be the highest, but the glue sucking time cannot exceed the glue injecting time t. When the parameter of glue absorption
When the glue sucking pressure is required to be adjusted, the glue sucking time length should be preferentially changed, and when the glue sucking time length is consistent with the glue injecting time length, the glue injecting pressure can only be adjusted. The glue absorbing parameter set is defined as
}。
S052, sucking glue water based on glue sucking parameters
And applying negative pressure to the glue sucking end 13 of the ferrule 1.
And S06, taking out the ferrule 1.
The cylinder 2 is moved by the XYZ slide table 51 so that the needle 21 of the cylinder 2 is disengaged from the glue injection groove 12. The glue-sucking end 13 of the ferrule 1 is separated from the vacuum suction nozzle 62 and taken out from the positioning groove 42.
S07, continuously repeating the steps S02 to S06 until the execution time period
And (6) ending. Wherein, the step S04 may be performed only in the step 042, and the step S05 may be performed only in the step S52.
S08, entering an execution time period
And repeating the step S07 until the glue is formedThe pot life T of (a) is over.
Example two
The main flow of the automatic glue injection and suction method is expressed as follows:
SO1, mounting the syringe 2.
The cylinder 2 is mounted to the mounting groove 521 of the mount 52 on the XYZ slide table 51 so that the cylinder 2 is fixed to the mount 52. Pouring the glue into the needle cylinder 2, and inflating the needle cylinder 2 to fill the glue into the needle head 21 on the needle cylinder 2;
and S02, installing the ferrule 1 to be injected with glue.
The ferrule 1 is mounted in the mounting groove 521 of the mounting table 41, the glue injection groove 12 of the ferrule 1 opens toward the glue injection opening of the positioning groove 42, and the glue suction end 13 of the ferrule 1 extends out of the glue suction opening of the positioning groove 42. Based on the position of the vacuum suction nozzle 62, the position of the ferrule 1 is determined. The glue absorbing end 13 of the inserting core 1 enters the glue absorbing cavity 621 but does not enter the gap retaining groove 622, the inserting core 1 is suspended in the glue absorbing groove, at this time, a gap is left between the inserting core 1 and the inner wall of the glue absorbing groove, and a gap is left between the glue absorbing end 13 of the inserting core 1 and the opening end face of the negative pressure cavity of the glue absorbing seat 61, namely, no physical contact exists between the inserting core 1 and the glue absorbing mechanism 6.
S03, the syringe 2 is moved.
S031, translate the syringe 2.
The cylinder 2 is moved in the horizontal direction along the X-axis and the Y-axis, and the position of the cylinder 2 is determined based on the position of the vacuum suction nozzle 62, that is, the cylinder 2 is aligned with the vacuum suction nozzle 62. The syringe 2 is usually made of plastic, and when the syringe 2 is fixed by a clamping force during installation, a certain amount of small deformation exists, so that the position of the needle 21 on the syringe 2 has a certain position deviation, while the alignment of the conventional syringe 2 is zero alignment between the installation seat 52 and the X-axis Y-axis, and the problem of glue injection position deviation caused by the position deviation between the syringe 2 and the sliding table cannot be solved. The counterpoint mode of cylinder 2 and 62 counterpoints of vacuum suction nozzle can not only reduce the overall arrangement problem that traditional X axle Y axle counterpoint needs big space to remove, can also reduce the injecting glue position skew problem that cylinder 2 corresponds syringe needle 21 position error and leads to on less cylinder 2.
S032, and lifting the needle cylinder 2.
The needle cylinder 2 is moved along the vertical direction, and the position of the needle 21 of the needle cylinder 2 is determined according to the position of the glue injection groove 12 on the inserting core 1. The needle 21 enters the glue injection groove 12 of the ferrule 1 from the glue injection opening of the positioning groove 42, and the needle 21 does not contact with any position such as the inner wall of the glue injection groove, i.e. there is no physical contact between the needle 21 and the ferrule 1.
S04, executing time period
And injecting glue into the glue injection groove 12 of the ferrule 1.
The viscosity of the glue increases in a known non-linear positive increase change in the pot life, and the pot life of the glue can be divided into n execution time periods according to the viscosity change curve of the glue
The change value of the viscosity of the glue can be maintained at a fixed value and an error interval thereof in each time period. Wherein n is a positive integer, and x is more than or equal to 1 and less than or equal to n.
In the specific step of S04, the method includes:
and S041, matching the initial glue injection time.
And determining glue injection time parameters corresponding to the initial glue injection time set based on the actual glue execution time point and the execution time period set in the glue application period.
The set of execution periods is positioned as: {
}。
Corresponding to a set of execution periods
And each glue injection time parameter in the glue injection time set can reflect the glue injection time t corresponding to the actual glue execution time point based on different execution time periods. The glue injection time set is defined as: {
}. It should be noted that the glue injection time parameter may be a time obtained from practical experienceThe value may be a time value calculated experimentally.
And S042, injecting glue. Based on the glue injection time t determined in the step S0511, the opening and closing of the needle head 21 is controlled according to the glue injection time t, so that quantitative glue is injected into the glue injection groove 12 of the ferrule 1.
S05, sucking glue: applying negative pressure on the glue sucking end 13 of the ferrule 1 to suck the glue in the glue injecting groove 12 of the ferrule 1 by the negative pressure and fill the small hole 11
In the specific step of S05, the method includes:
and S051, matching initial glue sucking parameters.
Set of execution time period based on actual execution time point and glue pot life
And determining the glue sucking parameters corresponding to the initial glue sucking parameter set.
Wherein the corresponding to the set of execution time periods
And each glue sucking parameter in the glue sucking parameter set
Can reflect the glue sucking parameters corresponding to the actual execution time points of the glue based on the execution time period
. Glue absorption parameter
Including the glue suction pressure and the glue suction time. The priority level of the glue sucking time is controlled to be the highest, but the glue sucking time cannot exceed the glue injecting time t. When the parameter of glue absorption
When the glue sucking pressure is required to be adjusted, the glue sucking time length should be preferentially changed, and when the glue sucking time length is consistent with the glue injecting time length, the glue injecting pressure can only be adjusted. Glue absorption parameter setMeaning as
}. It should be noted that the glue absorption parameter
The numerical values may be obtained empirically or experimentally calculated.
S052, sucking glue water based on glue sucking parameters
And applying negative pressure to the glue sucking end 13 of the ferrule 1.
And S06, taking out the ferrule 1.
The cylinder 2 is moved by the XYZ slide table 51 so that the needle 21 of the cylinder 2 is disengaged from the glue injection groove 12. The slide block is driven to slide so that the glue sucking end 13 of the ferrule 1 is separated from the vacuum suction nozzle 62 and taken out from the positioning groove 42.
S07, repeating the steps S02 to S06 at least 0 times. Here, step S04 may be performed only in step 042, and step S05 may be performed only in step 052.
S07, executing the steps S02 to S03.
S08, executing time period
And glue is injected into the glue injection groove 12 of the ferrule 1.
In the specific step of S08, the method includes:
s081, obtaining the glue injection effect, and determining the previous glue injection amount. And the previous glue injection amount is the glue injection amount obtained based on the glue injection time t. The previous glue injection amount can be directly obtained after the previous glue injection is finished, and the glue injection amount can be obtained by observing the height of the glue in the glue injection groove 12.
And S082, error matching of glue injection, and determining a glue injection time adjusting parameter based on the previous glue injection amount and the reference glue injection amount. The glue injection time adjusting parameters comprise an increase glue injection time parameter, a reduction glue injection time parameter and a glue injection time invariant parameter.
When the glue injection amount is still within the error allowable range, the glue injection time adjustment parameter is a glue injection time invariant parameter, and the glue injection time t does not need to be adjusted. When the glue injection amount exceeds the error allowable range, the glue injection time adjustment parameter is to increase the glue injection time parameter, and the glue injection time t needs to be increased. When the glue injection amount is smaller than the error allowable range, the glue injection time parameter is reduced, and the glue injection time t needs to be reduced.
And S083, adjusting the glue injection time t, and correspondingly adjusting the glue injection time t to obtain the glue injection time t required by the glue injection at this time based on the glue injection time adjustment parameter.
And S084, injecting glue, and injecting the glue into the glue injection groove 12 of the ferrule 1 based on the glue injection time t determined in the S0523.
S09, sucking glue: and applying negative pressure to the glue sucking end 13 of the ferrule 1 so that the glue in the glue injection groove 12 of the ferrule 1 is sucked by the negative pressure and fills the small hole 11.
In the specific step of S09, the method includes:
s091, obtaining a glue sucking sample, and determining the overflow state of the glue sucking water in the previous time. Wherein, the overflow state of the previous glue sucking glue is based on the glue sucking parameter
And obtaining the overflow state of the glue. The glue sucking and overflowing state comprises a glue non-overflowing state, a glue overflowing proper state and a glue overflowing excessive state. The sample of former time inhaling gluey glue and overflowing the state obtains, and the acquisition of former time inhaling gluey glue and overflowing the state can directly obtain after the former time inhales to glue, inhales gluey glue and overflows the state and can obtain through observing the condition that glue inhales gluey end 13 formation in lock pin 1 and glues the platform.
And S092, glue suction error matching, and determining glue suction state adjustment parameters based on the previous glue suction overflow state and the reference glue suction overflow state. The glue sucking state adjusting parameters comprise a glue sucking adjusting increasing parameter, a glue sucking non-adjusting parameter and a glue sucking adjusting decreasing parameter.
When the glue sucking glue overflows and is in a glue non-overflowing state, the glue sucking state adjusting parameter is a glue sucking adjusting increasing parameter, and the glue sucking pressure and/or the glue sucking time need to be increased. When the glue sucking overflow state is in a proper glue overflow state, the glue sucking state adjustment parameter is a glue sucking non-adjustment parameter, and the glue sucking pressure and the glue sucking time do not need to be adjusted. When the glue sucking overflow state is in the glue overflow excess state, the glue sucking state adjustment parameter is a glue sucking adjustment reduction parameter, and the glue sucking pressure and/or the glue sucking time need to be reduced.
S093 glue absorption parameter
Adjusting, namely adjusting parameters based on the glue sucking state, and correspondingly adjusting the glue sucking parameters
To obtain the glue sucking parameters required by the glue sucking at this time
。
S094, sucking the glue water based on the glue sucking parameters
And applying negative pressure to the glue sucking end 13 of the ferrule 1.
And S10, taking out the ferrule 1.
The cylinder 2 is moved by the XYZ slide table 51 so that the needle 21 of the cylinder 2 is disengaged from the glue injection groove 12. The slide block is driven to slide so that the glue sucking end 13 of the ferrule 1 is separated from the vacuum suction nozzle 62 and taken out from the positioning groove 42.
S11, continuously repeating the steps S07 to S10 until the execution time period
And (6) ending. Here, the step S08 may be performed only in the step S084, and the step S09 may be performed only in the step S094.
S12, entering an execution time period
Repeating the steps S02 to S11 until the pot life T of the glueAnd (6) ending.
The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides an automatic injecting glue of optical communication connector inhales gluey equipment which characterized in that includes:
a frame (3);
the assembling mechanism (4) is arranged on the rack (3) in a sliding mode, and the assembling mechanism (4) is used for clamping the inserting core (1);
the glue injection mechanism (5) is arranged on the rack (3), and the glue injection mechanism (5) is used for injecting glue into the glue injection groove (12) of the ferrule (1);
inhale gluey mechanism (6), set up in frame (3), inhale gluey mechanism (6) including inhaling gluey seat (61) and do inhale the negative pressure spare that gluey seat (61) provided the negative pressure, inhale gluey seat (61) install in frame (3) and be located one side of injecting glue mechanism (5), it has the negative pressure chamber to inhale gluey seat (61), the negative pressure chamber is close to vacuum nozzle (62) are installed to the terminal surface of injecting glue mechanism (5) one end, vacuum nozzle (62) have supply lock pin (1) to inhale glue end (13) and get into and suspended inhale gluey chamber (621), inhale gluey chamber (621) with negative pressure chamber intercommunication, it is close to inhale gluey chamber (621) one side in negative pressure chamber is provided with the clearance groove (622) that forbids lock pin (1) to get into.
2. An automatic glue injection and suction device for optical communication connectors according to claim 1, characterized in that the vacuum suction nozzle (62) has elasticity.
3. An automatic glue injection and suction method for an optical communication connector is characterized by comprising the following steps:
installing a core insert (1);
moving ferrule (1): the glue suction end (13) of the insertion core (1) enters a glue suction groove of the vacuum suction nozzle (62) so that the insertion core (1) is suspended in the glue suction groove, a gap is reserved between the insertion core (1) and the inner wall of the glue suction groove so that the glue suction end (13) of the insertion core (1) does not enter a gap retaining groove (622), and a gap is reserved between the glue suction end (13) of the insertion core (1) and the opening end face of a negative pressure cavity of a glue suction base (61);
injecting glue: filling glue into a glue injection groove (12) of the ferrule (1);
glue absorption: applying negative pressure to the glue suction end (13) of the ferrule (1) to suck the glue in the glue injection groove (12) of the ferrule (1) by the negative pressure and fill the small holes (11);
and taking out the ferrule (1).
4. An automatic glue-injection method for optical communication connectors according to claim 3, characterized in that, before injecting glue into the glue-injection slot (12) of the ferrule (1), the automatic glue-injection method further comprises moving the barrel (2) so as to bring the barrel (2) of the needle (21) into the glue-injection slot (12); in a particular method of moving a needle cylinder (2), comprising:
translating the needle cylinder (2): moving the syringe (2) in the horizontal direction, and determining the position of the syringe (2) based on the position of the vacuum suction nozzle (62);
lifting needle cylinder (2): the needle cylinder (2) is moved along the vertical direction, the end part of a needle head (21) of the needle cylinder (2) enters the glue injection groove (12), and the end part of the needle head (21) is suspended in the glue injection groove (12) so that a gap is reserved between the needle head (21) and the inner wall of the glue injection groove (12).
5. An automatic glue injection and suction method for an optical communication connector according to claim 3, wherein the pot life T of the glue comprises a plurality of execution time periods, and during each execution time period, the specific method for injecting the glue into the injection groove (12) of the ferrule (1) comprises the following steps:
matching initial glue injection time, and determining glue injection time parameters corresponding to the initial glue injection time set based on the actual glue execution time point and the execution time period set in the glue application period; the execution time period set comprises a plurality of execution time periods, and each glue injection time parameter in the glue injection time set can reflect glue injection time corresponding to glue actual execution time points based on different execution time periods;
and injecting glue, namely injecting the glue into the glue injection groove (12) based on the glue injection time.
6. The automatic glue injection and suction method for the optical communication connector according to claim 5, wherein the specific method for injecting glue into the glue injection groove (12) of the ferrule (1) every time or any time after the first time within the corresponding execution time period comprises:
obtaining the glue injection effect, and determining the previous glue injection amount; the previous glue injection amount is the glue injection amount obtained based on the glue injection time;
glue injection error matching, namely determining glue injection time adjustment parameters based on the previous glue injection amount and the reference glue injection amount;
adjusting glue injection time, namely adjusting the glue injection time based on glue injection time adjustment parameters;
and injecting glue, namely injecting the glue into the glue injection groove (12) of the ferrule (1) based on the glue injection time.
7. An automatic glue injection and suction method for an optical communication connector according to claim 5 or 6, wherein the specific method for sucking the glue in the corresponding execution time period comprises:
matching initial glue sucking parameters, and determining glue sucking parameters corresponding to the initial glue sucking parameter set based on the actual execution time point of the glue and the execution time period set in the glue application period; each glue sucking parameter in the glue sucking parameter set can reflect a glue sucking parameter corresponding to a glue actual execution time point based on a non-execution time period;
and (3) sucking glue, and applying negative pressure to the glue sucking end (13) of the inserting core (1) based on the glue sucking parameters.
8. The automatic glue injection and suction method for the optical communication connector according to claim 7, wherein the specific method for sucking the glue every time or any time after the first time in the corresponding execution time period comprises:
obtaining a glue suction sample, and determining the overflow state of the glue suction glue at the previous time; the glue overflow state of the previous glue suction is a glue overflow state obtained based on the glue suction parameters;
glue suction error matching, namely determining glue suction state adjustment parameters based on the previous glue suction overflow state and the reference glue suction overflow state;
adjusting the glue sucking parameters, namely adjusting the glue sucking parameters based on the glue sucking state adjusting parameters;
and (3) sucking glue, and applying negative pressure to the glue sucking end (13) of the inserting core (1) based on the glue sucking parameters.
9. An automatic glue injection and suction method for an optical communication connector according to claim 7, wherein the glue suction parameters include glue suction pressure and glue suction time.
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Address after: 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 Applicant 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 Applicant before: HENGDONG OPTICAL COMMUNICATION TECHNOLOGY (SHENZHEN) Co.,Ltd. |
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