CN208375803U - Glue filling device and its package system - Google Patents
Glue filling device and its package system Download PDFInfo
- Publication number
- CN208375803U CN208375803U CN201820644678.7U CN201820644678U CN208375803U CN 208375803 U CN208375803 U CN 208375803U CN 201820644678 U CN201820644678 U CN 201820644678U CN 208375803 U CN208375803 U CN 208375803U
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- gum
- pressure
- filling device
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- 239000003292 glue Substances 0.000 title claims abstract description 165
- 230000007246 mechanism Effects 0.000 claims abstract description 97
- 238000002347 injection Methods 0.000 claims description 44
- 239000007924 injection Substances 0.000 claims description 44
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 43
- 238000002844 melting Methods 0.000 claims description 18
- 230000008018 melting Effects 0.000 claims description 18
- 238000010992 reflux Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract description 25
- 230000010355 oscillation Effects 0.000 abstract description 6
- 239000000047 product Substances 0.000 description 34
- 239000004615 ingredient Substances 0.000 description 10
- 238000001816 cooling Methods 0.000 description 8
- 238000005538 encapsulation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000003044 adaptive effect Effects 0.000 description 6
- 239000013589 supplement Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
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- 230000003068 static effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006052 feed supplement Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
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- 238000000465 moulding Methods 0.000 description 2
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- 239000000243 solution Substances 0.000 description 2
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of glue filling device and its package system.Wherein, the glue filling device, comprising: for provide glue for glue unit；For exporting the gum-injecting port of glue；It is connected to first driving mechanism between glue unit and the gum-injecting port；First driving mechanism can drive glue to export from the gum-injecting port；The second driving mechanism being connected between first driving mechanism and the gum-injecting port；Second driving mechanism and the first driving mechanism switchover operation；Second driving mechanism can drive glue to export from the gum-injecting port with preset torque.Glue filling device and its package system provided by the utility model can reduce the pressure oscillation in injection moulding process, realize accurate low-pressure injection molding.
Description
Technical field
The utility model relates to low-pressure injection molding field more particularly to a kind of glue filling device for encapsulating electronic component and its
Package system.
Background technique
The description of this part only provides and discloses relevant background information to the utility model, shows without constituting to the application
There is technology.
When using low-pressure injection molding technology, injection pressure whether it is stable be the key that low-pressure injection molding success or failure.Injection pressure mistake
It is damaged under the impact of high pressure when height will cause electronic component injection molding packaging, while will also result in product appearance and " injection molding occur
Burr " influences to use；The bad equal injection defects of the too low electronic product packaging that will cause injection molding of injection pressure.
The voltage regulating mode of existing low-pressure injection molding machine is using on the pressure regulator valve (also referred to as safety valve) being mounted on machine
Cylinder piston rod push the spool in pressure regulator valve mobile, by the mobile formation spool vertex of a cone of spool to pressure regulator valve glue-feeder
It blocks or opens, when the glue-feeder of pressure regulator valve is blocked by the vertex of a cone of spool, the opening of pressure regulator valve becomes smaller, and makes pressure regulator valve glue-feeder
The glue for flowing back into glue-smelting machine is reduced, the pressure rise of adapted to injection system；Conversely, being made when the vertex of a cone of the spool of pressure regulator valve gradually retreats
When becoming larger at opening, the glue in glue melting cylinder is flowed back into from pressure regulator valve glue-feeder and is increased, to make the pressure reduction of adapted to injection system；
The distance of the glue-feeder of pressure regulator valve is continuously increased by the vertex of a cone of pressure regulation valve core in this way or the variation of reduction, realization adjust note
The purpose of the pressure of moulding system.
Since the pressure of the vertex of a cone of pressure regulation valve core is to be applied by cylinder, and the pressure of cylinder is the pressure by air compressor machine
Determine, air compressor machine general work situation is: when air pressure is lower than 0.5Mpa, air compressor machine starts to start, when reaching 0.8Mpa
When air compressor machine stop operating.The larger equipment work of the other gas consumptions in periphery is added in this inherently a kind of source of pressure oscillation
It is dry around the biggish fluctuation of gas source is caused when making, with the pressure oscillation of air supply system, although by depressurizing valve regulation in gas circuit
Pressure but the pressure for the pressure regulator valve being applied on glue-smelting machine, which can yet be followed, to be fluctuated, and necessarily causes the fluctuation of injection pressure in this way,
To cannot achieve accurate low-pressure injection molding, the defect of injecting products and fraction defective is caused to increase.This is to trouble low-pressure injection molding at present
The great problem of industry.
In addition existing low-pressure injection molding technology is after the completion of injection molding, due on injecting products while cooling mold runner
" mouth of a river " material also cools down therewith, this will lead to the problem of the increase of feed supplement resistance when keeping pressure, therefore be easy to cause feed supplement
It is insufficient, lead to the problem of packaging effect difference.
Utility model content
In view of the deficiencies in the prior art, the purpose of the utility model is to provide a kind of glue filling device and its package system, with
One of problem above can at least be solved.
The technical solution adopted in the utility model is as follows:
A kind of glue filling device, comprising:
For provide glue for glue unit；
For exporting the gum-injecting port of glue；
It is connected to first driving mechanism between glue unit and the gum-injecting port；First driving mechanism can
Driving glue is exported from the gum-injecting port；
The second driving mechanism being connected between first driving mechanism and the gum-injecting port；Second driving mechanism
With the first driving mechanism switchover operation；Second driving mechanism can drive glue defeated from the gum-injecting port with preset torque
Out.
Preferably, check valve is equipped between second driving mechanism and first driving mechanism；The check valve makes
The glue of the second driving mechanism driving is flowed without the first driving mechanism described in normal direction.
Preferably, second driving mechanism has accommodating chamber；The accommodating chamber is connected to the check valve and the note
Between glue mouth；First driving mechanism can drive glue to enter the accommodating chamber and export from the gum-injecting port；Described second
Driving mechanism can drive the glue in the accommodating chamber to the gum-injecting port.
Preferably, second driving mechanism includes plunger pump and servo motor；The plunger pump have plunger rod with
And servo motor described in the accommodating chamber can drive the plunger rod to release the glue in the accommodating chamber.
Preferably, it is additionally provided with the safety valve being connected between the check valve and first driving mechanism；The safety
Valve is opened when injection pressure is higher than predetermined pressure so that glue flows back.
Preferably, first driving mechanism includes gear pump；The gear pump has inlet and liquid outlet；It is described
Inlet is connected with described for glue unit, and the liquid outlet is connected with the check valve.
Preferably, described for glue unit includes glue melting cylinder；Melting sources can be formed glue by heating by the glue melting cylinder.
It preferably, further include the first pedestal；First pedestal supports the glue melting cylinder；First pedestal is equipped with
First runner, second flow channel, third flow channel and reflux runner；The first runner is by the inlet and described for glue unit
It is connected；The liquid outlet is connected by the second flow channel with the check valve；The third flow channel is by the second flow channel
It is connected with the safety valve；The safety valve is connected by the reflux runner with the first runner.
It preferably, further include the second pedestal；Second pedestal and the gear pump are respectively arranged in first pedestal
Opposite facing two sides；Second pedestal supports second driving mechanism；The gum-injecting port is located on second pedestal.
It preferably, further include the pressure sensor and controller for detecting injection pressure；The controller and the pressure
Sensor, second driving mechanism are connected.
A kind of package system, comprising:
Mold, the type chamber of element to be packaged can be accommodated and be passed through the glue-feeder of the type chamber by having；
Glue filling device described in any embodiment as above, the gum-injecting port of the glue filling device is by the glue-feeder to described
The intracavitary injecting glue of type.
The utility model has the advantages that
Glue filling device in the utility model first can pass through gum-injecting port to mold using the first driving mechanism in injecting glue
Middle injecting glue, when injection pressure (being referred to as injection pressure) reaches predetermined pressure, the first driving mechanism switches to the second drive
The operation of motivation structure, the second driving mechanism drive glue to export from the gum-injecting port, have to the shot of product under preset torque
" adaptive " ability, as long as making product (electronic component) cladding completely reach the injection molding of setting by the shot that gum-injecting port exports
When pressure, servo motor can be automatically stopped the pressure for rotating and being always maintained at setting, and in turn, which can remove existing
Some safety valve cylinder piston rods pushes the mobile mode to reach control injection pressure of spool, eliminate cause pressure oscillation because
Element.Therefore, the glue filling device in present embodiment can reduce the pressure oscillation in injection moulding process, realize accurate low-pressure injection molding.
Meanwhile second driving mechanism is capable of providing constant lasting pressure, constant lasting pressure under preset torque
Supplement the shrinkage of Injection Molded Parts at Cooling Stage, product shrinks how much just supplement how much (continuous and constant pressure power has adaptive
Ability) after product is cooling, obtain desired injecting products.In addition, second driving mechanism can be higher than pre- level pressure
The preset torque driving glue output of power, so that injecting products is reached " supersaturation " product surface after product thoroughly cools down does not have
The phenomenon that " shrink ".
Referring to following description and accompanying drawings, the particular implementation of the utility model is disclosed in detail, specifies practical
Novel principle can be in a manner of adopted.It should be understood that the embodiments of the present invention in range not thus by
Limitation.In the range of the spirit and terms of appended claims, the embodiments of the present invention includes many changes, modifications
With it is equivalent.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
It uses in a other embodiment, is combined with the feature in other embodiment, or the feature in substitution other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those skilled in the art, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of glue filling device structural schematic diagram provided in the application embodiment；
Fig. 2 is the three-dimensional view of Fig. 1；
Fig. 3 is the three-dimensional view of Fig. 1；
Fig. 4 is the diagrammatic cross-section of Fig. 1；
Fig. 5 is the vertical section schematic diagram of Fig. 1.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
It is practical new that this all should belong in technical staff's every other embodiment obtained without making creative work
The range of type protection.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" packet
Include any and all combinations of one or more related listed items.
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.A kind of glue filling device provided in the application embodiment, comprising:
For provide glue for glue unit 1；For exporting the gum-injecting port 2 of glue；It is connected to described for glue unit 1 and the gum-injecting port
The first driving mechanism 3 between 2；First driving mechanism 3 can drive glue to export from the gum-injecting port 2；It is connected to institute
State the second driving mechanism 4 between the first driving mechanism 3 and the gum-injecting port 2；Second driving mechanism 4 is driven with described first
3 switchover operation of motivation structure；Second driving mechanism 4 can drive glue to export from the gum-injecting port 2 with preset torque.
Present embodiment can be using isobaric injecting glue principle, with progress (in mold cavity) injecting glue of injecting glue when injecting glue
Pressure is increasing, when injection pressure reaches preset torque and by the pressure maintaining of certain time, it can confirmation low-pressure glue-injection
Encapsulation is completed.Certain this preset torque needs are tested in advance, are produced once testing out some pressure and meeting injecting glue encapsulation
It is just the preset torque for encapsulating the electronic product this conversion pressure when product require.According to the size of different encapsulating products
And shape, the predetermined pressure range of low-pressure glue-injection can be 0.05 between 6Mpa.
As can be seen that preset torque can be according to parameters systems such as the classification of electronic component, compressive resistance, encapsulation requirements
It is fixed, it is not fixed value, so present embodiment is to the numerical value of preset torque and is not intended to be limited in any, the numerical value of preset torque can
Completely and the electronic component destruction that is under pressure to be avoided to be advisable with electronic package.It, can be to avoid injecting glue by such setting
The electronic component (such as PCB, PCBA) that pressure is crossed in senior general's encapsulation destroys, and reduces the generation of defective products.
Glue filling device in present embodiment first can pass through gum-injecting port 2 to mould using the first driving mechanism 3 in injecting glue
Injecting glue in tool, when injection pressure (being referred to as injection pressure) reaches predetermined pressure, the first driving mechanism 3 switches to second
Driving mechanism 4 is run, and the second driving mechanism 4 drives glue to export from the gum-injecting port 2 under preset torque, the injection molding to product
Amount has " adaptive " ability, as long as making product (electronic component) cladding completely reach setting by the shot that gum-injecting port 2 exports
Injection pressure when, servo motor, which can be automatically stopped, rotates and is always maintained at the pressure of setting, and in turn, which can
It removes existing 9 cylinder piston rod of safety valve and pushes the mobile mode to reach control injection pressure of spool, elimination causes pressure
The factor of fluctuation.Therefore, the glue filling device in present embodiment can reduce the pressure oscillation in injection moulding process, realize accurate low
Pressure injection.
Meanwhile second driving mechanism 4 is capable of providing constant lasting pressure, constant lasting pressure under preset torque
Supplement the shrinkage of Injection Molded Parts at Cooling Stage, product shrinks how much just supplement how much (continuous and constant pressure power has adaptive
Ability) after product is cooling, obtain desired injecting products.In addition, second driving mechanism 4 can be higher than pre- level pressure
The preset torque driving glue output of power, so that injecting products is reached " supersaturation " product surface after product thoroughly cools down does not have
The phenomenon that " shrink ".
In the application embodiment, second driving mechanism 4 and 3 switchover operation of the first driving mechanism.First drives
It is moved when motivation structure 3 and different the second driving mechanism 4.Specifically, switching to the second drive after the completion of the first 3 injecting glue of driving mechanism
Motivation structure 4 is run.Glue is driven to continue to convey to mold by the second driving mechanism 4.Second driving mechanism 4 and the first driving machine
The pump type of structure 3 is different.Second driving mechanism 4 can use plunger pump 6, and the first driving mechanism 3 can use gear pump.Pass through
Gear pump will be pressed to form flowing for the glue of glue unit 1.
Glue flows back when to avoid the second driving mechanism 4 that glue is driven to export from gum-injecting port 2, second driving mechanism 4
Check valve 10 is equipped between first driving mechanism 3.The glue that the check valve 10 drives second driving mechanism 4
The flowing of first driving mechanism 3 described in no normal direction.The check valve 10 and the second driving mechanism 4 are to connecting.Wherein, the second driving mechanism
4 and first are equipped with glue conveying flow passage between driving mechanism 3, which is located in the glue conveying flow passage.
In the application embodiment, which, which is additionally provided with, is connected to the check valve 10 and first driving mechanism
Safety valve 9 between 3；The safety valve 9 is opened when injection pressure is higher than predetermined pressure so that glue flows back.Wherein, safety
Valve 9 can prevent injection pressure from persistently increasing, and electronic component is protected not destroyed by excessively high glue pressure.Injection pressure can be
Pressure in glue conveying flow passage, or the pressure in mold cavity, specifically, the injection pressure is glue filling device and note
The discharge pressure of glue between glue mouth 2.For injection pressure when opening, the glue of the first driving mechanism 3 outflow can be back to the
The inlet of one driving mechanism 3 avoids the first driving mechanism 3 from continuing through gum-injecting port 2 and infuses into mold to form reflux
Glue.
First driving mechanism 3 includes gear pump；The gear pump has inlet and liquid outlet；The inlet
It is connected with described for glue unit 1, the liquid outlet is connected with the check valve 10.The gear pump can pass through ordinary motor
Driving, can also use servo motor driven, and the application is simultaneously not intended to be limited in any.Gear pump forms the glue of inlet upstream
Suction guarantees the supply of glue, and is formed and pushed to the glue in liquid outlet downstream, guarantees conveying of the glue to gum-injecting port 2.
It is described to include glue melting cylinder for glue unit 1；Melting sources can be formed glue by heating by the glue melting cylinder.Glue melting cylinder
Melting sources are formed into glue, under the swabbing action of gear pump 4, glue, which is driven from glue melting cylinder, to flow out, without supplying
Other driving elements are arranged in glue unit 11, reduce complex degree of structure, save cost.
In embodiments, as shown in figure 5, second driving mechanism 4 has accommodating chamber 20；The accommodating chamber 20 is connected to
Between the check valve 10 and the gum-injecting port 2.First driving mechanism 3 can drive glue to enter the accommodating chamber 20 simultaneously
It is exported from the gum-injecting port 2.Second driving mechanism 4 can drive the glue in the accommodating chamber 20 to the gum-injecting port 2.
Specifically, second driving mechanism 4 may include that plunger pump 6 and servo motor 5 (are referred to as servo
Motor).There is the plunger pump 6 servo motor 5 described in plunger rod 19 and the accommodating chamber 20 can drive the plunger rod
19 release the glue in the accommodating chamber 20.It is connected between servo motor 5 and plunger pump 6 by electric cylinders 21.Servo motor 5 can
To drive the plunger rod 19 of plunger pump 6 to move along a straight line by electric cylinders 21.
As shown in figure 5, accommodating chamber 20 extends along the direction of motion of plunger rod 19, plunger rod 19 is upper and lower in accommodating chamber 20
(when scope of readers is to Fig. 5) is moved back and forth.Wherein, in injection moulding process, the first driving mechanism 3 drives glue to gum-injecting port 2,
And glue is injected in accommodating chamber 20 until plunger rod 19 is pushed over maximum travel position (or top dead-centre in the process
Position), meanwhile, glue is injected in mold by the colloid-injecting gun that gum-injecting port 2 and gum-injecting port 2 are connected.
Servo motor in present embodiment is set as torque mode and drives plunger pump 6 to glue pressurizing urges.In torque
The second driving mechanism 4 has " adaptive " ability to the shot of product under mode.Match in the first driving mechanism 3 and safety valve 9
As long as close it is lower so that product coat the injection pressure for reaching setting completely, gear pump is automatically stopped rotation and passes through check valve 10 can be with
It is always maintained at the pressure of setting；Servo motor carries out driving plunger pump 6 to run under preset torque after delay predetermined time,
(pressure of this process be higher than predetermined pressure, higher than how much be decided by product geometric dimension and injection molding raw material).It is predetermined to turn round
It is formed by injection pressure under square and remains invariable, the shrinkage of supplement injecting products in cooling procedure.Until cold
But terminate that injecting products is made to reach expectation.
In the application embodiment, as Figure 1-Figure 4, for the installation convenient for glue melting cylinder and corresponding runner is set,
The glue filling device can also include the first pedestal 8.First pedestal 8 supports the glue melting cylinder.It is set on first pedestal 8
There are first runner 17, second flow channel (12,13), third flow channel 14 and reflux runner 18.The first runner 17 is by the feed liquor
Mouth is connected with described for glue unit 1；The liquid outlet is connected by the second flow channel with the check valve 10；The third
The second flow channel is connected by runner 14 with the safety valve 9；The reflux runner 18 is by the safety valve 9 and described first
Runner 17 is connected.
First pedestal 8 can be metal material or other materials with suitable stiffness.For example, the material of the first pedestal 8
Material can be steel.Whole first pedestal 8 can be rectangular parallelepiped structure, as shown in Fig. 2, the cross section of the first pedestal 8 is in rectangle
Structure.First pedestal 8 is preferably structure as a whole, and first runner 17, second flow channel, third flow channel 14 and reflux runner 18 are direct
It is opened on the first pedestal 8.
First pedestal 8 is equipped with first runner 17, second flow channel, third flow channel 14 and reflux runner 18 can be with
Including at least one line flowing channel extending in a straight line.Specifically, the first runner 17 includes multiple extending in a straight line the
One straightway.The second flow channel includes multiple second straight line sections extending in a straight line 12,13.Wherein, two perpendicular
The perpendicular connection of one straightway.One first straight line section is vertical runner (not shown), and another first straight line section is horizontal run, should
Horizontal run does not penetrate through the first pedestal 8.The first straight line section of vertical direction is by the first straight line section and melten gel of horizontal direction
Cylinder is connected.
As shown in figure 4, two be connected the second straight line section 12,13 perpendicular connections.Multiple second straight line sections 12,
13 be horizontal run.One second straight line section 12 penetrates through the first pedestal 8, and one end far from gear pump blocks, the other end
It is connected with gear pump；One second straight line section 12 and another second straight line section 13 are perpendicular.It is similar, third flow channel 14 and return
Stream runner 18 is similarly horizontal run.Third flow channel 14 and reflux runner 18 are mutually perpendicular to, third flow channel 14 and a second straight line
Section 13 is mutually perpendicular to, and reflux runner 18 is mutually perpendicular to another second straight line section 12.
In the application embodiment, for the installation convenient for the second driving mechanism 4 and corresponding runner 15, the injecting glue are set
Device further includes the second pedestal 7.It is opposite facing that second pedestal 7 and the gear pump are respectively arranged in first pedestal 8
Two sides；Second pedestal 7 supports second driving mechanism 4；The gum-injecting port 2 is located on second pedestal 7.It accommodates
Chamber 20 can be directly opened on the second pedestal 7.Wherein, the position of plunger pump 6 can be 11 pointed location of label.First pedestal
8 can be fixedly connected with the second pedestal 7, certainly, the first pedestal 8 and the second pedestal 7 or one in the embodiment having
Structure.
In embodiment as shown in Figures 1 to 5, the gum-injecting port 2 that can be equipped on the first pedestal 8 can be used for installing or connecting
Connect colloid-injecting gun or other injecting glue elements.In addition, pressure monitoring interface can also be equipped on the first pedestal 8, to facilitate connection pressure
Measuring mechanism, to be monitored to injection pressure.In other embodiments, the side of second pedestal 7 can also be fixedly mounted
There is colloid-injecting gun；The gum-injecting port is set on the colloid-injecting gun.Wherein, colloid-injecting gun can be by the glue-feeder of mold to mold
Glue is injected in type chamber.Be also provided on first pedestal 8 be connected with second flow channel pressure measurement mechanism (such as pressure pass
Sensor 16), to facilitate monitoring injection pressure.
It in one embodiment, is the accurate injecting glue of realization, which can also include the pressure of detection injection pressure
Sensor 16 and controller (not shown).The controller and the pressure sensor 16,4 phase of the second driving mechanism
Connection.Wherein, which can control the servo motor 5 and drive the plunger pump 6 with preset torque, and in injection pressure
Suspend the predetermined time when reaching preset torque, the servo motor 5 is controlled after the predetermined time with preset torque and drives the plunger
Pump 6.Also, servo motor 5 keeps preset torque constant.
Predetermined time can flexibly formulate in practical application scene, such as: the predetermined time can (can also according to shot
With referred to as injecting glue amount) number, the size of type chamber, the size of mold, the electronic component-sized of encapsulation determine.Preset torque compared with
Preset torque is big, and difference between the two can flexibly be formulated in practical application scene, such as: the difference of the two can basis
Shot (being referred to as injecting glue amount) number, the size of type chamber, the size of mold, the electronic component-sized of encapsulation determine.
In specific embodiment, the controller may include the first control module, the second control module and timing mould
Block.First control module connects first driving mechanism 3, make first driving mechanism 3 by the glue of glue melting cylinder to
Gum-injecting port 2 drives, until reaching the predetermined pressure of safety valve 9.Second control module connects the servo motor 5, makes institute
Servo motor 5 is stated to be greater than the preset torque of the predetermined pressure and drive the plunger pump 6；The timing module is used for timing.
Wherein, controller have hardware configuration, citing are as follows: the first control module, the second control module can for single-chip microcontroller,
PLC, programmable circuit plate etc., the first control module, the second control module can be same control unit, can also be different control
Component processed, the application and with no restriction.Timing module can be according to cpu clock timing, and then realizes exact timing.Timing module
It is connected with the first control module, the second control module, and transmits corresponding timing signal.
When needing to carry out injecting glue encapsulation to product (electronic component), according to the overall dimensions and geometry of product, in advance
First set preset torque (servomotor uses torque mode, preset torque namely the first injection pressure that need to reach).Servo electricity
Machine drives plunger pump 6 by glue Driver injection mold, the injection molding static pressure after shot (injecting glue amount) saturation at this time with set in advance
The preset torque balance (static pressure is theoretical: static pressure is equal everywhere in closed space) of fixed servomotor, servomotor
It stops operating but in the constant holding of torque that sets, glue amount caused by making up in real time because of cooling.
The working principle of the application glue filling device is described in detail in the embodiment of 1- Fig. 5 with reference to the accompanying drawing, so as to better
Understand the utility model.
Firstly, setting predetermined injection pressure (predetermined pressure) by safety valve 9.It pumps and rotates first with motor-driven gear,
By the glue pressurization in glue melting cylinder, by the check valve 10 in runner, glue is in flow process partially by injection plunger pump 6
In accommodating chamber 20, until plunger rod 19 is shifted onto maximum stroke；Another part is by gum-injecting port 2, by glue filling device
Glue is injected mold by sebific duct and the colloid-injecting gun connecting with the sebific duct.
Injection pressure (injection pressure) will continue to increase after glue is full of mold, when the note for being increased to the setting of safety valve 9
When blow pressure (predetermined pressure), safety valve 9 is opened and keeps the pressure of setting.At this point, glue flows back.According in closed space
Equal principle, the pressure sensor 16 being mounted on the second pedestal 7 are detected simultaneously by reaching in injection molding channel to static pressure everywhere
To pressure value set by safety valve 9, this signal is transferred to controller at this time.
Controller is after 1-2 seconds (predetermined time) that be delayed, then controls servomotor (operating using torque mode), according to
Plunger rod 19 that is pre-set and being higher than on pressure value (preset torque) the promotion plunger pump 6 that safety valve 9 is set, accommodating chamber
Glue in 20 is released again to be injected in mold.Under torque mode, the constant lasting pressure that servo motor provides makes to be molded cold
But the shrinkage of process is supplemented, product shrink how much just supplement it is how many (continuous and constant pressure power have it is preferably adaptive should be able to
Power) after product is cooling, obtain desired injecting products.
A kind of package system is also provided in the utility model embodiment, comprising: mold, it is to be packaged with that can accommodate
The type chamber of element and the glue-feeder for being passed through the type chamber；The injecting glue dress that any embodiment as above or embodiment provide
It sets, the gum-injecting port 2 of the glue filling device is by the glue-feeder to the intracavitary injecting glue of the type.Certainly, which can be with
Equipped with colloid-injecting gun, colloid-injecting gun is connected by trunnion (connecting tube) with gum-injecting port.
Glue filling device provided in the application embodiment and its package system can effectively eradicate existing molten molding machine and exist
During low-pressure injection molding, injection pressure with external pressure fluctuation and safety valve spool constantly switch movement and caused by shadow
It rings.The glue filling device and its package system can control injection pressure real-time accurate, preferably realize the essence of low-pressure injection molding
Close injecting glue effectively eliminates the defect of the injecting products as caused by the fluctuation of injection pressure, the yields being greatly improved, and solves
The problem of accurate low-pressure injection molding that this industry can not be realized is troubled for many years, and cost is relatively low, there is extraordinary application
Value.
Herein cited any digital value all include between lower limit value to upper limit value with the lower value of an incremented and
The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the quantity an of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification
68,43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.
These are only intended to the example clearly expressed, it is believed that all possibility for the numerical value enumerated between minimum and peak
Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range
" about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to cover that " about 20 to about
30 ", including at least the endpoint indicated.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.Describing combined term " substantially by ... constitute " should include identified element, ingredient, component or step and reality
Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or
" comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component
Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any
Attribute is all optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used to
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to appended claims and this
The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special
The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as inventor the theme is not thought of as it is disclosed
A part of utility model theme.
Claims (11)
1. a kind of glue filling device characterized by comprising
For provide glue for glue unit；
For exporting the gum-injecting port of glue；
It is connected to first driving mechanism between glue unit and the gum-injecting port；First driving mechanism can drive
Glue is exported from the gum-injecting port；
The second driving mechanism being connected between first driving mechanism and the gum-injecting port；Second driving mechanism and institute
State the first driving mechanism switchover operation；Second driving mechanism can drive glue to export from the gum-injecting port with preset torque.
2. glue filling device as described in claim 1, it is characterised in that: second driving mechanism and first driving mechanism it
Between be equipped with check valve；The check valve makes the glue of the second driving mechanism driving without the first driving mechanism stream described in normal direction
It is dynamic.
3. glue filling device as claimed in claim 2, it is characterised in that: second driving mechanism has accommodating chamber；The receiving
Chamber is connected between the check valve and the gum-injecting port；First driving mechanism can drive glue to enter the accommodating chamber simultaneously
It is exported from the gum-injecting port；Second driving mechanism can drive the glue in the accommodating chamber to the gum-injecting port.
4. glue filling device as claimed in claim 3, it is characterised in that: second driving mechanism includes plunger pump and servo
Motor；There is the plunger pump servo motor described in plunger rod and the accommodating chamber plunger rod can be driven the appearance
The glue received in chamber is released.
5. glue filling device as claimed in claim 2, it is characterised in that: be additionally provided with and be connected to the check valve and first driving
Safety valve between mechanism；The safety valve is opened when injection pressure is higher than predetermined pressure so that glue flows back.
6. glue filling device as claimed in claim 5, it is characterised in that: first driving mechanism includes gear pump；The gear
Pump has inlet and liquid outlet；The inlet is connected with described for glue unit, the liquid outlet and the check valve phase
Connection.
7. glue filling device as claimed in claim 6, it is characterised in that: described for glue unit includes glue melting cylinder；The glue melting cylinder energy
Melting sources are formed into glue by heating.
8. glue filling device as claimed in claim 7, it is characterised in that: further include the first pedestal；First pedestal will be described molten
The support of glue cylinder；First pedestal is equipped with first runner, second flow channel, third flow channel and reflux runner；The first runner
The inlet is connected with described for glue unit；The liquid outlet is connected by the second flow channel with the check valve；
The second flow channel is connected by the third flow channel with the safety valve；The reflux runner is by the safety valve and described the
One runner is connected.
9. glue filling device as claimed in claim 8, it is characterised in that: further include the second pedestal；Second pedestal and the tooth
Wheel pump is respectively arranged in the opposite facing two sides of the first pedestal；Second pedestal supports second driving mechanism；Institute
Gum-injecting port is stated to be located on second pedestal.
10. the glue filling device as described in claim 1-9 is any, it is characterised in that: further include the pressure sensing for detecting injection pressure
Device and controller；The controller is connected with the pressure sensor, second driving mechanism.
11. a kind of package system characterized by comprising
Mold, the type chamber of element to be packaged can be accommodated and be passed through the glue-feeder of the type chamber by having；
The glue filling device as described in claims 1 to 10 is any, the gum-injecting port of the glue filling device is by the glue-feeder to described
The intracavitary injecting glue of type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820644678.7U CN208375803U (en) | 2018-05-02 | 2018-05-02 | Glue filling device and its package system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820644678.7U CN208375803U (en) | 2018-05-02 | 2018-05-02 | Glue filling device and its package system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208375803U true CN208375803U (en) | 2019-01-15 |
Family
ID=64973236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820644678.7U Expired - Fee Related CN208375803U (en) | 2018-05-02 | 2018-05-02 | Glue filling device and its package system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208375803U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968615A (en) * | 2019-04-30 | 2019-07-05 | 广州华研精密机械股份有限公司 | Full-automatic pressure-holding infuses embryo machine |
| CN111770644A (en) * | 2020-07-17 | 2020-10-13 | 融硅思创(北京)科技有限公司 | Low-pressure glue injection method for packaging circuit board |
| CN115646739A (en) * | 2021-10-13 | 2023-01-31 | 苏州康尼格电子科技股份有限公司 | PCBA board packaging equipment |
-
2018
- 2018-05-02 CN CN201820644678.7U patent/CN208375803U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968615A (en) * | 2019-04-30 | 2019-07-05 | 广州华研精密机械股份有限公司 | Full-automatic pressure-holding infuses embryo machine |
| CN111770644A (en) * | 2020-07-17 | 2020-10-13 | 融硅思创(北京)科技有限公司 | Low-pressure glue injection method for packaging circuit board |
| CN115646739A (en) * | 2021-10-13 | 2023-01-31 | 苏州康尼格电子科技股份有限公司 | PCBA board packaging equipment |
| CN115646739B (en) * | 2021-10-13 | 2023-10-03 | 苏州康尼格电子科技股份有限公司 | PCBA board packaging equipment |
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Granted publication date: 20190115 |