CN206064692U - A kind of half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit - Google Patents
A kind of half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit Download PDFInfo
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- CN206064692U CN206064692U CN201621101787.1U CN201621101787U CN206064692U CN 206064692 U CN206064692 U CN 206064692U CN 201621101787 U CN201621101787 U CN 201621101787U CN 206064692 U CN206064692 U CN 206064692U
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Abstract
The utility model discloses a kind of half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit, including three axles movement ejecting device, two axles rotation grain-clamping table and circuit clamping tooling；Wherein three axles movement ejecting device includes pedestal, and three motors on pedestal, three motors are provided with three-proofing coating shower nozzle on one of motor；Three motors control moving direction of the three-proofing coating shower nozzle on X, Y or Z axis respectively.Solve half it is hidden go out lower limb encapsulated circuit, especially half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating problem, efficiently solve the problems, such as in prior art that manual application concordance is poor, easily pollution and coating efficiency is low.
Description
Technical field
This utility model belongs to integrated circuit processing technical field, be related to a kind of half it is hidden go out lower limb SOP encapsulated circuits three
Anti- paint coating unit.
Background technology
To meet the requirement of aerospace electron electric product use environment and storage life, more special to some packing forms,
The poor circuit of barrier propterty must implement coating processing.The purpose of protection coating is circuit is supported during work and storage
Impact of imperial adverse circumstances to circuit, increases the anti shock and vibration of circuit, reaches the ability of moistureproof, mould proof, anti salt spray corrosion.
《Aerospace electron product protection paint-on technique is required》Clear stipulaties in (QJ 3259-2005)：For printed circuit board assembly, adopt
Use spraying operation；For the components and parts that difficulty is sprayed after some assemblings, operated using manual brushing mode.
Half it is hidden go out lower limb the lead of SOP encapsulated circuits drawn from two side bottom of circuit with " L " shape, the width of lead is general
In below 0.3mm, lead spacing is between 0.5-0.7mm scopes, and due to the needs of Surface Mount Denso, is carrying out three-proofing coating painting
When covering, it is only necessary to the top surface and four sides to circuit, totally five faces carry out the coating of three-proofing coating, must not to circuit ground with
And lead is coated, particularly lead portion is forbidden to be polluted by coating, can otherwise affect the reliability of Denso.
Due to half it is hidden go out lower limb SOP encapsulated circuits packing forms it is more special, therefore cause《Aerospace electron product is prevented
Shield paint-on technique is required》Coating processes specified in (QJ 3259-2005) cannot be applied to the protection of the circuit and coat, main
Problems with to be existed：
Brush：It is when being operated using brushing mode, higher to operator's operation level requirement, easily to circuit during coating
Bottom and lead are polluted；The more difficult control of coating thickness, uniformity cannot ensure that the defects such as pore, cavity easily occurs in coating,
Operating efficiency is low, is not suitable for batch production. art；And while various zest harmful gass can be distributed during manual brushing, damage operator
Member is healthy and can affect the environment of technique Clean room.
Spraying：Spraying includes hand spray and sprays automatically two ways, but is required to before spraying enter circuit lead
Row masking protection, it is necessary to guarantee to cover the tightness and integrity of protection, the vaporific coating for otherwise spraying out easily penetrates into guarantor
Shield internal contamination lead.《Aerospace electron product protection paint-on technique is required》Specify in (QJ 3259-2005) and general at present
Way be using adhesive tape cover protection technique, for the circuit package form, operation difficulty is big, it is impossible to ensure masking prevent
The effectiveness and tightness of shield, simultaneously because the lead size and distance between centers of tracks of circuit are less, removes the process of adhesive tape after protection
In easily make lead that expendable deformation equivalent damage occurs.Hand spray is relatively low to the utilization rate of coating, and also can be to environment
Pollute；Although and automatic spraying equipment automaticity at present on the market is higher and can realize selecting coating, base
Originally it is the spraying for pcb board and its element, can only realizes coating on two dimensional surface and coating low precision, it is impossible to meet little chi
The requirement of the continuous three-dimensional coating in five faces of very little encapsulated circuit.
Dip-coating：Although dipping process can obtain best coating effect, the requirement to coating is higher, paint viscosity
Must control in a suitable scope；The control of operating process simultaneously is more complicated, it is necessary to which control lifts speed and the angle of circuit
Degree, to prevent bubble.Typically do not exceed 1 meter of speed-raising each second, it is hidden for half go out lower limb SOP encapsulated circuits,
As lead is drawn from bottom with " L " shape, it is impossible to clamp, therefore dip-coating relatively difficult to achieve.
Utility model content
The purpose of this utility model be provide it is a kind of half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit.Solution
Determined half it is hidden go out lower limb encapsulated circuit, especially half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating problem, effectively solving
In prior art, manual application concordance is poor, easily pollution and coating efficiency low problem.
The purpose of this utility model is achieved through the following technical solutions：
This half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit, including three axles movement ejecting device, two axles rotation
Turn grain-clamping table and circuit clamping tooling；Wherein three axles movement ejecting device includes pedestal, three motors on pedestal, three steps
Stepper motor, is provided with three-proofing coating shower nozzle on one of motor；Three motors control three-proofing coating shower nozzle respectively in X, Y
Or the moving direction on Z axis；Two axles rotation grain-clamping table is provided with pedestal wherein, two axles rotation grain-clamping table includes two rotary shafts
Servomotor, is connected with circuit clamping tooling on one of rotary shaft servomotor, two rotating servo motors are used to control
Circuit clamping tooling carries out 360 ° of rotation；Wherein circuit clamping tooling be used for the non-coated face for clamping protection circuit to be coated and
Pin, makes the clad can be coated of circuit to be coated complete expose.
Further, also reside in the characteristics of this utility model：
Wherein circuit accommodates frock includes two frock main bodys, and installing port, the top edge of installing port are provided with frock main body
It is provided with bulge-structure.
Its relief structure is snapped in the groove on the pin of circuit to be coated.
Wherein three axles movement ejecting device includes pedestal, and the second motor, the second motor control are provided with pedestal
Movement in Y direction processed；The 3rd motor is connected with second motor, in the 3rd step motor control Z-direction
Movement；The first motor, the movement in the first step motor control X-direction are connected with 3rd motor.
Three-proofing coating shower nozzle is provided with wherein the first motor, the nozzle of three-proofing coating shower nozzle is arranged down.
Wherein two axles rotation grain-clamping table includes the first rotary shaft servomotor, the first rotary shaft servomotor and the second rotation
Axle servomotor connects, and the rotary shaft of the rotary shaft of the first rotary shaft servomotor and the second rotary shaft servomotor is same
It is in plane and orthogonal.
Temperature sensor and heater are provided with wherein two axles rotation grain-clamping table, heater controls circuit to be coated
The temperature on surface is at 50-80 DEG C.
The surface of wherein circuit clamping tooling is provided with PVC film or PET film.
The beneficial effects of the utility model are that three axles movement ejecting device can move up spray in the side of X, Y or Z axis
Head, two axles rotation grain-clamping table can drive the rotation that circuit clamping tooling carries out 360 °, and it is to be coated that circuit clamping tooling is clamped
Circuit also can carry out 360 ° of rotation with which；So as to realize 360 ° of continuous sprays, three anti-coating of circuit surface is effectively improved
Concordance, single can coat 3-5 circuit, and the coating time of average each circuit is 5-10 minutes, during than existing manual brushing
Between saved 75%, greatly improve coating efficiency, and coat that uniformity is good, coat thickness is accurately controlled in 50-
80 μm, while ensureing the defects such as coat bubble-free, cavity.
Further, circuit clamping tooling can be by the setting that faces up to be coated of circuit to be coated, it is ensured that frock master
The non-functional face of circuit to be coated and pin can be protected by body completely, make pin not receive polluting for the coating of three-proofing coating.
Further, using heater by the temperature control on the surface of circuit to be coated between 50-80 DEG C, can
Make three-proofing coating surface drying in 10-30s after coating.
Further, circuit clamping tooling surface is arranged PVC film or PET film, its made of soft and performance
Stable, the functional surfaces and the surface of frock main body that ensure that circuit to be coated are brought into close contact, if three-proofing coating material in coating procedure
Liquid is splashed in frock, is continuing with by re-replacing one after frock surface contaminated thin film is uncovered.
Description of the drawings
Fig. 1 is the structural representation of three axles movement ejecting device in this utility model；
Fig. 2 is the structural representation of two axles rotation grain-clamping table in this utility model；
Fig. 3 is the structural representation of circuit clamping tooling in this utility model.
Wherein：1 is the first motor；2 is the second motor；3 is the 3rd motor；4 is three-proofing coating shower nozzle；5
For pedestal；6 is the first rotary shaft servomotor；7 is the second rotary shaft servomotor；8 is circuit clamping tooling；9 is to be coated
Circuit；10 is bulge-structure；11 is frock main body；12 is installing port.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in further detail：
This utility model there is provided a kind of half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit, including three axles move
Dynamic ejecting device, two axles rotation grain-clamping table and circuit clamping tooling；Wherein two axles rotation grain-clamping table is arranged on three axles movement shower nozzle
On device, circuit clamping tooling is arranged on two axles rotation grain-clamping table.
Three axles move ejecting device, as shown in figure 1, including pedestal 5, are provided with the second motor 2 on pedestal 5, and second
Movement in the control Y direction of motor 2, is connected with the 3rd motor 3, the 3rd motor 3 on the second motor 2
Movement in control Z-direction, is connected with the first motor 1, the control of the first motor 1 X-axis side on the 3rd motor 3
Movement upwards, is connected with three-proofing coating shower nozzle 4 on the first motor 1, the nozzle of three-proofing coating shower nozzle 4 is arranged down；Three steps
Stepper motor can drive three-proofing coating shower nozzle 4 to move in the three dimensions on pedestal 5, and the position for controlling three-proofing coating shower nozzle 4 is carried out
Three-proofing coating coating work.
Two axles rotate grain-clamping table, as shown in Fig. 2 including the first rotary shaft servomotor 6, the first rotary shaft servomotor 6
It is connected with the second rotary shaft servomotor 7, and the rotary shaft of two rotary shaft servomotors is in the same plane, and hangs down mutually
Directly；Circuit clamping tooling 8 is fixedly connected with second rotary shaft servomotor 7；First rotary shaft servomotor 6 and the second rotation
Axle servomotor 7 drives the rotation that circuit clamping tooling 8 carries out 360 °, and three-proofing coating shower nozzle 4 can be made to carry out circuit to be coated 9
Comprehensively three-proofing coating coating；Heater and temperature sensor are additionally provided with wherein two axles rotation grain-clamping table, heater is
Infrared heating device or hot air apparatus, temperature sensor are used for the temperature for obtaining 9 surface of circuit to be coated.
Circuit clamping tooling 8 as shown in figure 3, including two frock main bodys 11, installing port 12 is provided with frock main body 11,
Bulge-structure 10 is provided with installing port 12；One layer of PVC film or PET film are provided with the surface of frock main body 11,
Circuit to be coated 9 is placed at the installing port of a mounting body, and makes bulge-structure 10 be stuck in 9 pin of circuit to be coated
Groove, then another mounting body is also installed to circuit to be coated 9 second half in the same way.
The method that coating unit of the present utility model carries out three-proofing coating coating, comprises the following steps：
Step 1, arranges one layer of PVC film or PET film on the surface of two frock main bodys 11；Then in frock master
Circuit to be coated 9 is put in the installing port 12 of body 11, and makes the bulge-structure 10 on installing port 12 insert circuit to be coated 9
In the groove of pin；Circuit to be coated 9 can be fixed on circuit clamping tooling 8；
Step 2, circuit clamping tooling 8 is fixed on the second rotary shaft servomotor 7 of two axles rotation grain-clamping table；
Step 3, controls heater, and the temperature for making 9 surface of coating circuit is 50-80 DEG C, preferably 60 DEG C or 70 DEG C；So
The three-proofing coating shower nozzle 4 that three axles move ejecting device is adjusted afterwards, makes upward one just to circuit to be coated 9, three-proofing coating shower nozzle 4
Clad can be coated, carries out three-proofing coating coating, and the coated side surface drying is treated after 10-30s；Three-proofing coating is carried out to other clad cans to be coated successively
Coating, and surface drying.The detailed process of clad can be coated conversion is：Two axles rotation grain-clamping table is rotated, next to be coated face is made
On, and the direction position of X, Y, Z of three-proofing coating shower nozzle 4 is moved in good time, suitable translational speed and quantity for spray are set, are realized to turning over
The accurate spraying of the clad can be coated for upturning, be finally completed half it is hidden go out lower limb encapsulated circuit three-proofing coating coating.
Claims (8)
1. a kind of half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit, it is characterised in that including three axles move cartridge nozzle
Put, two axles rotate grain-clamping table and circuit clamping tooling；
The three axles movement ejecting device includes pedestal (5), and three motors, one of stepping are provided with pedestal (5)
Three-proofing coating shower nozzle (4) is provided with motor；Three motors control movement of the three-proofing coating shower nozzle (4) on X, Y or Z axis respectively
Direction；
Two axles rotation grain-clamping table is provided with the pedestal (5), two axles rotation grain-clamping table includes two rotary shaft servomotors, its
In circuit clamping tooling (8) is connected with a rotary shaft servomotor, two rotating servo motors are clamped for control circuit
Frock (8) carries out 360 ° of rotation；
The circuit clamping tooling (8) makes circuit to be coated (9) for clamping non-coated face and the pin of circuit to be coated (9)
Clad can be coated complete expose.
2. according to claim 1 half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit, it is characterised in that institute
Stating circuit and frock (8) being accommodated including two frock main bodys (11), installing port (12), installing port (12) are provided with frock main body (11)
Top edge be provided with bulge-structure (10).
3. according to claim 2 half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit, it is characterised in that institute
State bulge-structure (10) to snap in the groove on the pin of circuit to be coated (9).
4. according to claim 1 half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit, it is characterised in that institute
Stating three axles movement ejecting device includes pedestal (5), and the second motor (2), the second motor (2) are provided with pedestal (5)
Movement in control Y direction；The 3rd motor (3), the control of the 3rd motor (3) are connected with second motor (2)
Movement in Z-direction processed；The first motor (1), the first motor (1) control X are connected with 3rd motor (3)
Movement on direction of principal axis.
5. according to claim 4 half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit, it is characterised in that institute
State and on the first motor (1), be provided with three-proofing coating shower nozzle (4), the nozzle of three-proofing coating shower nozzle (4) is arranged down.
6. according to claim 1 half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit, it is characterised in that institute
Stating two axles rotation grain-clamping table includes the first rotary shaft servomotor (6), and the first rotary shaft servomotor (6) is watched with the second rotary shaft
Take motor (7) connection, and the rotary shaft of the rotary shaft of the first rotary shaft servomotor (6) and the second rotary shaft servomotor (7)
In the same plane, it is and orthogonal.
7. according to claim 1 half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit, it is characterised in that institute
Stating and temperature sensor and heater are provided with two axles rotation grain-clamping table, heater controls circuit (9) surface to be coated
Temperature is at 50-80 DEG C.
8. according to claim 1 half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit, it is characterised in that institute
The surface for stating circuit clamping tooling (8) is provided with PVC film or PET film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621101787.1U CN206064692U (en) | 2016-09-30 | 2016-09-30 | A kind of half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621101787.1U CN206064692U (en) | 2016-09-30 | 2016-09-30 | A kind of half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit |
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| Publication Number | Publication Date |
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| CN206064692U true CN206064692U (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621101787.1U Active CN206064692U (en) | 2016-09-30 | 2016-09-30 | A kind of half it is hidden go out lower limb SOP encapsulated circuits three-proofing coating coating unit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654932A (en) * | 2018-06-07 | 2018-10-16 | 孟秋萍 | Coating silica gel machine |
| CN108686890A (en) * | 2018-06-07 | 2018-10-23 | 孟秋萍 | The coating method of three-axis robot |
| CN108722741A (en) * | 2018-06-07 | 2018-11-02 | 孟秋萍 | The coating method of coating silica gel machine |
| CN108789429A (en) * | 2018-06-07 | 2018-11-13 | 孟秋萍 | three-axis robot |
| CN108792564A (en) * | 2018-06-07 | 2018-11-13 | 孟秋萍 | Material-pulling device for coating silica gel |
| CN115430585A (en) * | 2022-08-23 | 2022-12-06 | 西安微电子技术研究所 | Automatic three proofings coating protection mold device of TSOP lead wire |
-
2016
- 2016-09-30 CN CN201621101787.1U patent/CN206064692U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654932A (en) * | 2018-06-07 | 2018-10-16 | 孟秋萍 | Coating silica gel machine |
| CN108686890A (en) * | 2018-06-07 | 2018-10-23 | 孟秋萍 | The coating method of three-axis robot |
| CN108722741A (en) * | 2018-06-07 | 2018-11-02 | 孟秋萍 | The coating method of coating silica gel machine |
| CN108789429A (en) * | 2018-06-07 | 2018-11-13 | 孟秋萍 | three-axis robot |
| CN108792564A (en) * | 2018-06-07 | 2018-11-13 | 孟秋萍 | Material-pulling device for coating silica gel |
| CN115430585A (en) * | 2022-08-23 | 2022-12-06 | 西安微电子技术研究所 | Automatic three proofings coating protection mold device of TSOP lead wire |
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