CN207823315U - A kind of transfer-type pL grades of ultramicron automatically dropping glue structure - Google Patents

A kind of transfer-type pL grades of ultramicron automatically dropping glue structure Download PDF

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Publication number
CN207823315U
CN207823315U CN201721641902.9U CN201721641902U CN207823315U CN 207823315 U CN207823315 U CN 207823315U CN 201721641902 U CN201721641902 U CN 201721641902U CN 207823315 U CN207823315 U CN 207823315U
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China
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liquid
syringe
needle
pipe
micro
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CN201721641902.9U
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Chinese (zh)
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张勤
罗凯
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South China University of Technology SCUT
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South China University of Technology SCUT
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Abstract

The utility model provides a kind of transfer-type pL grades of ultramicron automatically dropping glue structure, including dispensing syringe assemblies, needle core component, liquid storage micro-pipe, motion control component, and the dispensing syringe assemblies include syringe, motor fixed block;The needle core component includes syringe needle adjustment bolt, guide sleeve, coaxially connected liquid-transfering needle clamping pawl, the liquid-transfering needle in liquid-transfering needle clamping pawl centre bore, the matched locking strap of tapered portion with liquid-transfering needle clamping pawl front end, and compressed spring is arranged in the liquid-transfering needle clamping pawl;The liquid storage micro-pipe includes jointing part and capillary micro-pipe part, is coaxially connected with the guide post of syringe front end by connector;The motion control component includes bi-directional mini motor, the nut compact heap on syringe needle adjustment bolt, and nut compact heap is equipped with traveling nut, and the output end of micromotor is drivingly connected by screw rod and traveling nut.The utility model is suitable for precise micro dispensing, and gluing process is simply easily achieved, and precision height is controllable.

Description

A kind of transfer-type pL grades of ultramicron automatically dropping glue structure
Technical field
The utility model is related to dispensing technology fields, super more particularly to a kind of transfer-type pL grades for micro assemby process Micro automatically dropping glue structure.
Background technology
Dispensing technology is extensively using micro assemby, bioengineering, quickly every field and the industry such as manufacture, with micro-electro-mechanical systems System(MEMS)Grow rapidly, to it is micro it is for dispensing glue require it is higher and higher.Dispensing technology pursues more micro, precision higher, operation The stronger direction of reliability is developed.For the concentricity tune existing for existing transfer-type point glue equipment between liquid-transfering needle and micro-pipe Whole hardly possible problem.The utility model proposes pL grades of ultramicron automatically dropping glue structures of transfer-type.Using syringe assemblies, needle core component, Liquid storage micro-pipe integral structure solves in original point glue equipment that liquid-transfering needle extension elongation is unadjustable, liquid-transfering needle and liquid storage micro-pipe The difficult problem of centering adjustment.Improve the consistency of gum spot.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of automatic point of transfer-type pL grades of ultramicron The structure and dispensing method of glue pen, specific technical solution are as follows:
A kind of transfer-type pL grades of ultramicron automatically dropping glue structure, it is characterised in that:Including dispensing syringe assemblies, needle core group Part, liquid storage micro-pipe, motion control component,
The dispensing syringe assemblies include syringe, the motor fixed block on syringe lateral wall;
The needle core component includes the guide sleeve being slidably matched with syringe inner hole wall, the syringe needle adjustment in guide sleeve Bolt in guide sleeve and is coaxially attached to the liquid-transfering needle clamping pawl of syringe needle adjustment bolt front end, is mounted on liquid-transfering needle clamping Liquid-transfering needle in pawl centre bore, the matched cone barrel locking strap of tapered portion with liquid-transfering needle clamping pawl front end, the shifting Compressed spring is arranged in liquid needle clamping pawl, tight against in syringe needle adjustment bolt front end, the other end is tight for described compressed spring one end It is against on the locking strap;
The liquid storage micro-pipe is made of junction portion and capillary micro-pipe two parts, by connector coaxially with syringe front end Guide post is connected, and the liquid-transfering needle front end sequentially passes through the centre bore of syringe front end, liquid storage micro-pipe;
The motion control component includes the bi-directional mini motor being mounted on motor fixed block, on guide sleeve Nut compact heap is fixedly installed traveling nut on the nut compact heap, and the output end of the micromotor passes through screw rod It is drivingly connected with traveling nut.
Preferably, liquid storage micro-pipe upper end is coaxially connected using the coupling of circular cone standard and syringe taper guide post, storage Liquid micro-pipe lower end is provided with capillary glass micro-pipe.
Preferably, liquid storage micro-pipe upper end is coaxially connected using %6 circular cone standard couplings and syringe taper guide post.
Preferably, the maximum inner diameter of the liquid storage micro-pipe circular cone standard coupling is 5mm, connection length 8-10mm.
Preferably, the internal diameter of the capillary glass micro-pipe of the liquid storage micro-pipe is 0.8-1mm, length 15-20mm.
Preferably, arc-shaped transition is used among the circular cone standard coupling of the liquid storage micro-pipe and capillary glass micro-pipe, protected The manufactured front end of card liquid-transfering needle can enter small end normal dispensing work without damage from liquid storage micro-pipe big end.
Preferably, the front end of the syringe is medially provided with along central axes direction for constraining the liquid-transfering needle offset Pilot hole.During dispensing, when the non-holding portion of liquid-transfering needle is longer, before the non-holding portion of liquid-transfering needle passes through syringe The pilot hole at end, liquid-transfering needle described in pilot hole energy operative constraint prevent it from shifting, are being stored up to further realize liquid-transfering needle Liquid micro-pipe is accurately positioned.
Preferably, syringe needle adjustment bolt front end is additionally provided with the protective case for wrapping up the compressed spring, can be to a certain degree On prevent compressed spring offset deformation
Preferably, the liquid-transfering needle clamping pawl mainly by three pieces centered on the axis of syringe the equally distributed elastic of line Shape intermediate plate forms, and every elastic columnar shape intermediate plate rear end tethers with syringe needle adjustment and connects, and the periphery wall of front end is both provided with The circular conical surface for clamping the liquid-transfering needle is matched with the locking strap.
Compared with prior art, the utility model has the beneficial effects that:
The liquid storage micro-pipe of customization realizes dispensing pen by female Luer standard and the installation of dispensing syringe front end taper guide post Apparatus integration uses convenient for clamping tooling.Reduce influence of the practical glue amount variation to dispensing amount in packing element, solves origin Glue platform liquid-transfering needle detaches the not concentric problem of clamping with capillary micro-pipe, and the utility model is suitable for precise micro transfer-type point Glue is suitable for dispensing in narrow slit, and gluing process is simple and reliable to be easily achieved, and precision height is controllable.
Description of the drawings
Fig. 1 is the structure principle chart of the integrated transfer-type dispensing needle device of the example of the utility model.
Fig. 2 is the structural schematic diagram of the liquid storage micro-pipe of the example of the utility model.
Fig. 3 is the transfer-type dispensing process schematic of the example of the utility model.
It is as shown in the figure:1- syringe needles adjust bolt;2- nut compact heaps;3- lock-screws;4- traveling nuts;5- motors are fixed Block;6- micromotors;7- syringes;8- liquid storage micro-pipes;9- liquid-transfering needles;10- locking straps;11- liquid-transfering needle clamping pawls;12- compresses bullet Spring;13- glues;14- substrates;15- fine droplets;16- pilot holes;17- guide sleeves.
Specific implementation mode
The purpose of utility model of the utility model is described in further detail in the following with reference to the drawings and specific embodiments, Embodiment cannot repeat one by one herein, but therefore the embodiment of the utility model is not defined in following embodiment.Unless special Do not mentionlet alone bright, the material and processing method that the utility model uses is the art conventional material and processing methods.
As depicted in figs. 1 and 2, a kind of transfer-type pL grades of ultramicron automatically dropping glue structure, including dispensing syringe assemblies, needle Core assembly, liquid storage micro-pipe, motion control component.
The dispensing syringe assemblies include syringe 7, the motor fixed block 5 on 7 lateral wall of syringe, for fixing Micromotor 6.
The needle core component includes the guide sleeve 17 being slidably matched with 7 inner hole wall of syringe, the syringe needle in guide sleeve 17 Adjustment bolt 1, is mounted on liquid-transfering needle clamping pawl 11 interior positioned at guide sleeve 17 and being coaxially attached to 1 front end of the syringe needle adjustment bolt Liquid-transfering needle 9 in 11 centre bore of liquid-transfering needle clamping pawl, the matched cone cylinder of tapered portion with 11 front end of liquid-transfering needle clamping pawl Shape locking strap 10, the front end of the locking strap 10 be provided with the fixed annular brace portion of 7 endoporus of syringe, effectively prevent locking Hoop 10 is eccentric.Compressed spring 12 is arranged in the liquid-transfering needle clamping pawl 11,12 one end of the compressed spring is tight against in the needle 1 front end of head adjustment bolt, the other end is tight against on the locking strap 10.Guiding movement is done in syringe 7 by needle core component, is realized Being accurately positioned in liquid storage micro-pipe 8 of liquid-transfering needle 9.
The liquid-transfering needle clamping pawl mainly by three pieces centered on the axis of syringe 7 the equally distributed elastic columnar shape intermediate plate of line Composition, every elastic columnar shape intermediate plate rear end and the syringe needle adjust bolt 1 and connect, the periphery wall of front end be both provided with it is described Locking strap 10 matches the circular conical surface for clamping the liquid-transfering needle 9.The front end of elastic columnar shape intermediate plate is clamped by locking strap 10, liquid-transfering needle 9 can adjust bolt 1 by compressed spring 12 in the interior sliding tune of guide sleeve 17 in the liquid-transfering needle clamping pawl 11 by compressing syringe needle 9 extended position of liquid-transfering needle is saved, release of needle adjusts bolt 1, so that liquid-transfering needle 9 is in the liquid-transfering needle under the action of compressed spring 12 Centering is collapsed in clamping pawl 11 to clamp.The liquid-transfering needle 9 is after being corroded by tungsten filament needle electrochemical by ultra tiny accurate Electrical Discharge Machine It is process, tip dimensions are determined according to required liquid sendout.
The liquid storage micro-pipe 8 is coaxially connected with the guide post of syringe front end by connector, 9 front end of the liquid-transfering needle according to Secondary centre bore across 7 front end of syringe, liquid storage micro-pipe 8.
As shown in Figure 1, the motion control component includes the bi-directional mini motor 6 being mounted on motor fixed block, peace Nut compact heap 2 on guide sleeve 17, the traveling nut 4 insertion ground are arranged on nut compact heap 2, the nut pressure The side of tight block 2 is provided with the lock-screw 3 for locking the traveling nut 4.The output end of the micromotor 6 passes through spiral shell Bar is drivingly connected with traveling nut 4, and by 4 passing power of traveling nut of 6 output end of micromotor, the driving of micromotor 6 is led Set 17 moves up and down in syringe 7, and it is micro that there is guide sleeve 17 guiding role liquid-transfering needle 9 to be driven to move up and down realization in syringe 7 Feeding, and meet the requirement of different contact velocities.
As shown in Fig. 2, the liquid storage micro-pipe 8 is used to store different viscosities liquid, wherein liquid storage micro-pipe 8 by capillary phenomenon Upper end is coaxially connected using %6 circular cone standard couplings and syringe taper guide post, and 8 lower end of liquid storage micro-pipe is provided with capillary glass Micro-pipe.
The maximum inner diameter of 8 circular cone standard coupling of the liquid storage micro-pipe is 5mm, connection length 8-10mm.The liquid storage The internal diameter of the capillary glass micro-pipe of micro-pipe 8 is 0.8-1mm, length 15-20mm, so as to according to the liquid of storage different viscosities Body selects the liquid storage micro-pipe of different capillary microtube lengths, improves the dispensing scope of application.Outside the circular cone standard of the liquid storage micro-pipe 8 Arc-shaped transition is used among connector and capillary glass micro-pipe.Quantitative injection of glue liquid to 8 lower end of liquid storage micro-pipe and is installed into connection Liquid storage micro-pipe 8 is realized coaxially with the liquid-transfering needle 9 being clamped in syringe 7 to the heart afterwards.
In addition, 1 front end of the syringe needle adjustment bolt is additionally provided with the protective case for wrapping up the compressed spring 12, it can be to a certain degree On prevent compressed spring offset deformation.
Meanwhile in conjunction with Fig. 1 as can be seen that the front end of the syringe 7 is medially provided with along central axes direction for constraining The pilot hole 16 that the liquid-transfering needle 9 deviates, during dispensing, when 9 non-holding portion of liquid-transfering needle is longer, the liquid-transfering needle 9 Non- holding portion passes through the pilot hole 16 of 7 front end of syringe, pilot hole 16 to have certain length, and pilot hole 16 and the liquid relief Gap very little between 9 non-holding portion of needle is led when the liquid-transfering needle 9 does guiding movement with needle core component in syringe 7 Prevent it from shifting to liquid-transfering needle 9 described in 16 energy operative constraint of hole, to further realize liquid-transfering needle 9 in liquid storage micro-pipe 8 Be accurately positioned, improve dispensing precision and quality.
As shown in figure 3, the dispensing method for the pL grades of ultramicron automatically dropping glue structures of transfer-type that above-described embodiment provides, packet Include step:
1, liquid-transfering needle 9 is installed, 9 point diameter of suitable liquid-transfering needle and the liquid-transfering needle rear end clamping in syringe 7 are selected In clamping pawl 11, compress syringe needle adjustment bolt 1 by compressed spring 12 in the guide sleeve 17 sliding come unclamp liquid-transfering needle clamping pawl 11 can 9 front end extended position of liquid-transfering needle is adjusted, release of needle adjustment bolt 1 is so that liquid-transfering needle 9 collapses in clamping pawl to middle clamping;
2, glue is injected, quantitative glue is injected into 8 lower end capillary glass micro-pipe of liquid storage micro-pipe with syringe, then will 8 upper end cone joint of liquid storage micro-pipe is connected to syringe taper guide post and realizes coaxially to the heart.Then it compresses adjustment bolt and adjusts liquid relief Initial position is used as in needle 9 front end to liquid storage micro-pipe and at micro-pipe lower port 1-2mm;
3, liquid-transfering needle 9 moves, and micromotor 6 controls guide sleeve 17 by nut compact heap 2 and moves up and down so that liquid-transfering needle 9 It is pierced by the liquid storage micro-pipe 8 of included glue 13, fine droplet 15 is adsorbed in 9 front end of liquid-transfering needle, when liquid-transfering needle 9 is close to substrate 14, moves The fine droplet 15 of 9 front end of liquid needle is contacted with substrate 14, and fine droplet 15 applies on the substrate 14, micro- when liquid-transfering needle 9 leaves substrate 15 part of droplet remains on substrate, realizes ultramicron transfer-type dispensing.
In conclusion above-described embodiment provide a kind of transfer-type pL grades of ultramicron automatically dropping glue structure be applicable to it is close The ultramicron dispensing operation of small space is closed, gluing process is simple and convenient, and precision height is controllable, and suitable for the glue of different viscosities Liquid is with a wide range of applications.
The utility model may be implemented to transfer the feeding dispensing that declines in ultramicron assembly, original by capillary phenomenon retaining On the basis of the glass-micropipe for realizing liquid storage, it is further improved into die sinking cone joint liquid storage micro-pipe, liquid storage micro-pipe passes through Shandong Your connector standard is integrated with dispensing syringe front-loading realization device, is used convenient for clamping tooling, solves original ultramicron The unadjustable problem of dispensing platform liquid-transfering needle length, liquid-transfering needle 9 detaches the not concentric problem of clamping with capillary micro-pipe 8, into one Step improves dispensing quality.
Above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and is not Restriction to the embodiment of the utility model.For those of ordinary skill in the art, on the basis of above description On can also make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments. All any modification, equivalent and improvement made within the spirit and principle of the present invention etc., should be included in this reality Within novel scope of the claims.

Claims (9)

1. a kind of transfer-type pL grades of ultramicron automatically dropping glue structure, it is characterised in that:Including dispensing syringe assemblies, needle core group Part, liquid storage micro-pipe(8), motion control component,
The dispensing syringe assemblies include syringe(7), be mounted on syringe(7)Motor fixed block on lateral wall(5);
The needle core component includes and syringe(7)The guide sleeve that inner hole wall is slidably matched(17), be mounted on guide sleeve(17)Interior needle Head adjustment bolt(1), be located at guide sleeve(17)It is interior and be coaxially attached to syringe needle adjustment bolt(1)The liquid-transfering needle clamping pawl of front end (11), be mounted on liquid-transfering needle clamping pawl(11)Liquid-transfering needle in centre bore(9)And the liquid-transfering needle clamping pawl(11)The cone of front end The matched cone barrel locking strap in shape portion(10), the liquid-transfering needle clamping pawl(11)On be arranged with compressed spring(12), the pressure Contracting spring(12)One end adjusts bolt tight against in the syringe needle(1)Front end, the other end is tight against in the locking strap(10)On;
The liquid storage micro-pipe(8)Including jointing part and capillary micro-pipe part, by jointing coaxially with syringe(7) The guide post of front end is connected, the liquid-transfering needle(9)Front end sequentially passes through syringe(7)The centre bore of front end, liquid storage micro-pipe(8);
The motion control component includes the bi-directional mini motor being mounted on motor fixed block(6), be mounted on guide sleeve(17) On nut compact heap(2), the nut compact heap(2)On be fixedly installed traveling nut(4), the micromotor(6) Output end pass through screw rod and traveling nut(4)It is drivingly connected.
2. transfer-type pL grades of ultramicron automatically dropping glue structure according to claim 1, it is characterised in that:The liquid storage is micro- Pipe(8)Upper end is coaxially connected using the coupling of circular cone standard and syringe taper guide post, liquid storage micro-pipe(8)Lower end is provided with capillary Glass-micropipe.
3. transfer-type pL grades of ultramicron automatically dropping glue structure according to claim 2, it is characterised in that:The liquid storage is micro- Pipe(8)Upper end is coaxially connected using %6 circular cone standard couplings and syringe taper guide post.
4. transfer-type pL grades of ultramicron automatically dropping glue structure according to claim 2, it is characterised in that:The liquid storage is micro- Pipe(8)The maximum inner diameter of circular cone standard coupling is 5mm, connection length 8-10mm.
5. transfer-type pL grades of ultramicron automatically dropping glue structure according to claim 2, it is characterised in that:The liquid storage is micro- Pipe(8)Capillary glass micro-pipe internal diameter be 0.8-1mm, length 15-20mm.
6. transfer-type pL grades of ultramicron automatically dropping glue structure according to claim 2, it is characterised in that:The liquid storage is micro- Pipe(8)The coupling of circular cone standard and capillary glass micro-pipe among use arc-shaped transition.
7. transfer-type pL grades of ultramicron automatically dropping glue structure according to claim 1, it is characterised in that:The syringe (7)Front end be medially provided with along central axes direction for constraining the liquid-transfering needle(9)The pilot hole of offset(16).
8. transfer-type pL grades of ultramicron automatically dropping glue structure according to claim 1, it is characterised in that:The syringe needle tune Whole bolt(1)Front end is additionally provided with the package compressed spring(12)Protective case.
9. transfer-type pL grades of ultramicron automatically dropping glue structure according to claim 1, it is characterised in that:The liquid-transfering needle Clamping pawl is mainly by three pieces with syringe(7)Axis centered on line equally distributed elastic columnar shape intermediate plate composition, the every bullet Property column intermediate plate rear end and the syringe needle adjust bolt(1)Connection, the periphery wall of front end are both provided with and the locking strap(10)Phase It is matched for clamping tightly the liquid-transfering needle(9)Circular conical surface.
CN201721641902.9U 2017-11-30 2017-11-30 A kind of transfer-type pL grades of ultramicron automatically dropping glue structure Withdrawn - After Issue CN207823315U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107803312A (en) * 2017-11-30 2018-03-16 华南理工大学 A kind of transfer-type pL levels ultramicron automatically dropping glue structure
CN110918384A (en) * 2019-11-21 2020-03-27 沈阳工业大学 Ultra-precise dispensing system and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107803312A (en) * 2017-11-30 2018-03-16 华南理工大学 A kind of transfer-type pL levels ultramicron automatically dropping glue structure
CN107803312B (en) * 2017-11-30 2023-05-23 华南理工大学 Transfer type pL-level ultra-micro automatic dispensing pen structure
CN110918384A (en) * 2019-11-21 2020-03-27 沈阳工业大学 Ultra-precise dispensing system and method
CN110918384B (en) * 2019-11-21 2021-05-14 沈阳工业大学 Ultra-precise dispensing system and method

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