CN202989320U - Plastic-packaged integrated circuit continuous-plating shielding device - Google Patents
Plastic-packaged integrated circuit continuous-plating shielding device Download PDFInfo
- Publication number
- CN202989320U CN202989320U CN 201220712661 CN201220712661U CN202989320U CN 202989320 U CN202989320 U CN 202989320U CN 201220712661 CN201220712661 CN 201220712661 CN 201220712661 U CN201220712661 U CN 201220712661U CN 202989320 U CN202989320 U CN 202989320U
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- integrated circuit
- shielding
- packaged integrated
- shaft
- circuit continuous
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Abstract
The utility model discloses a plastic-packaged integrated circuit continuous-plating shielding device which comprises a shielding groove (15), a transmission device, a motor (7) and a hand wheel (8), wherein the transmission device is connected with the shielding groove (15); the motor (7) and the hand wheel (8) are connected with the transmission device; and the motor (7) and the hand wheel (8) drive the shielding groove (15) to reciprocate by driving the transmission device. The plastic-packaged integrated circuit continuous-plating shielding device disclosed by the utility model can be used for conveniently adjusting the installation height of the shielding groove (15) by adopting the manual operation of the hand wheel (8) and the automatic operation of the motor (7) and is easy and convenient to use and is high in adaptability.
Description
Technical field
The utility model relates to field of electroplating, more particularly, relates to a kind of shielding unit of plastic packaged integrated circuit continuous electroplating.
Background technology
In the electroplating process of plastic packaged integrated circuit, be generally that the circuit card with electroplated is placed in plating tank and is immersed in electroplate liquid, and circuit card is connected with the negative electrode of plating tank.Be placed with simultaneously anode network in plating tank, this anode network generally adopts the titanium basket.After energising, according to the electroplating principle of routine, thereby being gathered in the surface of circuit card, the metal ion that contains in electroplate liquid forms plated film.
But, in the actual mechanical process of aforesaid method, due to the existence of multiple interfering factors, often can cause the distribution of power line in plating tank also inhomogeneous, that is electric current distribution is inhomogeneous.On circuit card, the metal ion of the region clustering that current density is larger is more, and the coating of formation is thicker; The metal ion of the region clustering that current density is little is more, and the coating of formation is thinner.The even situation of this uneven coating can cause detrimentally affect to the quality of plastic packaged integrated circuit.
In order to address the above problem, designed the shielding trench with specified shape in prior art, be used at the larger region blocks part power line of plating tank current density, reduce the metal ion of these region clusterings, so that the coating that regional forms trend evenly.But existing most of shielding trenches have fixing shape and mounting means, and general every kind of shielding trench can only be applicable to a kind of circuit card of specification, and adaptability is not high.When the circuit card of different size is electroplated, need to change different shielding trenches, operation bothers and has increased production cost.
The utility model content
The technical problems to be solved in the utility model is, for the not high defective of shielding unit adaptability of the above-mentioned plating of prior art, provides a kind of shielding unit of plastic packaged integrated circuit continuous electroplating of the installation site of being convenient to regulate shielding trench.
The technical scheme that its technical problem that solves the utility model adopts is:
The utility model has been constructed a kind of shielding unit of plastic packaged integrated circuit continuous electroplating, comprises shielding trench, the transmission mechanism that is connected with described shielding trench and the electric motor and the handwheel that are connected with described transmission mechanism; Wherein, described electric motor and described handwheel drive described shielding trench back and forth movement by driving described transmission mechanism.
In the shielding unit of plastic packaged integrated circuit continuous electroplating described in the utility model, the first transmission shaft that described transmission mechanism comprises the first reverse box of being in transmission connection with described electric motor and described handwheel, be in transmission connection with described the first reverse box, the second driving shaft that all is in transmission connection with described the first transmission shaft and described shielding trench.
In the shielding unit of plastic packaged integrated circuit continuous electroplating described in the utility model, the first transmission shaft that described transmission mechanism comprises the first reverse box of being in transmission connection with described electric motor and described handwheel, be in transmission connection with described the first reverse box, the second driving shaft that all is in transmission connection with described the first transmission shaft and described shielding trench.
In the shielding unit of plastic packaged integrated circuit continuous electroplating described in the utility model, described transmission mechanism also comprises cranks arm; Described second driving shaft is installed on above described shielding trench, and is connected with described shielding trench by described cranking arm; Described second driving shaft drives described cranking arm and drives described shielding trench back and forth movement.
In the shielding unit of plastic packaged integrated circuit continuous electroplating described in the utility model, described transmission mechanism also comprises the first shaft coupling; Described handwheel is connected with the input shaft of described the first reverse box by described the first shaft coupling.
In the shielding unit of plastic packaged integrated circuit continuous electroplating described in the utility model, described transmission mechanism also comprises the second shaft coupling; Described the first transmission shaft is connected with the input shaft of described the second reverse box by described the second shaft coupling.
In the shielding unit of plastic packaged integrated circuit continuous electroplating described in the utility model, described transmission mechanism also comprises second driving shaft; Described second driving shaft quantity is two, and the two ends with described the first transmission shaft are in transmission connection respectively; Described the first reverse box is arranged in the middle part of described the first transmission shaft.
In the shielding unit of plastic packaged integrated circuit continuous electroplating described in the utility model, the shielding unit of described plastic packaged integrated circuit continuous electroplating also comprises back up pad; Described the first reverse box and described the second reverse box are arranged on the plating tank cell body by described back up pad respectively.
In the shielding unit of plastic packaged integrated circuit continuous electroplating described in the utility model, the bottom of described shielding trench is provided with water inlet pipe; The quantity of described water inlet pipe is two.
Implement the shielding unit of plastic packaged integrated circuit continuous electroplating of the present utility model, have following beneficial effect: the mounting height that adopts handwheel manual operation or electric motor automatic operation can regulate easily shielding trench, easy to use and strong adaptability.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in accompanying drawing:
Fig. 1 is the shielding unit of the plastic packaged integrated circuit continuous electroplating that provides of better embodiment of the present utility model and perspective view after the plating tank cell body is connected;
Fig. 2 is the shielding unit of plastic packaged integrated circuit continuous electroplating shown in Figure 1 and three-dimensional arrangement after the plating tank cell body the is connected view along II direction shown in Figure 1.
In figure:
1, steel band 2, metal holder
3, electroplated circuit card 4, plating tank cell body
5, back up pad 6, the first reverse box
7, electric motor 8, handwheel
9, the first shaft coupling 10, the second reverse box
11, the second shaft coupling 12, the first transmission shaft
13, second driving shaft 14, crank arm
15, shielding trench 16, electroplating technology groove
17, anode network 18, retaining plate
19, web plate 20, guide pipe
21, ball valve 22, water inlet pipe
Embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1 and Figure 2, preferred embodiment of the present utility model provides a kind of shielding unit of plastic packaged integrated circuit continuous electroplating, and it comprises electric motor 7, handwheel 8, shielding trench 15 and transmission mechanism.Electric motor 7 and handwheel 8 drive shielding trench 15 along same straight line back and forth movement by drive transmission, for example do and rise or descending motion.
Transmission mechanism comprises the first reverse box 6, the first shaft coupling 9, the second reverse box 10, the second shaft coupling 11, the first transmission shaft 12, second driving shaft 13 and cranks arm 14.Electric motor 7 and the first reverse box 6 are in transmission connection.Handwheel 8 is connected with the input shaft of the first reverse box 6 by the first shaft coupling 9.The first transmission shaft 12 is connected with the input shaft of the second reverse box 10 by the second shaft coupling 11.Second driving shaft 13 is arranged in plating tank cell body 4, and is in transmission connection with the output shaft of the second reverse box 10.14 the end of cranking arm is connected with second driving shaft 13, and the other end is connected with shielding trench 15,14 can make second driving shaft 13 drive shielding trenches 15 to rise or descending motions by cranking arm.
In the present embodiment, the first reverse box 6 is arranged on the middle part of the first transmission shaft 12.Transmission mechanism comprises two second driving shafts 13.The first transmission shaft 12 be arranged in parallel with plating tank cell body 4.Two 13 of second driving shafts flatly are arranged on respectively plating tank cell body 4 two ends, and vertical with the bearing of trend of plating tank cell body 4.Second driving shaft 13 is in transmission connection by the two ends of the second reverse box 10, the second shaft coupling 11 and the first transmission shaft 12 respectively successively.The second reverse box 10 is separately positioned on the two ends of the first transmission shaft 12,14 two ends that are connected to shielding trench 15 of cranking arm.When controlling the height of electric motor 7 or handwheel 8 adjusting shielding trenches 15, shielding trench 15 can be realized back and forth movement reposefully, is rising or descending motion in the present embodiment.
The shielding unit of the utility model plastic packaged integrated circuit continuous electroplating also comprises back up pad 5.The outer wall side of plating tank cell body 4 is installed with three back up pads 5.The first reverse box 6 and the second reverse box 10 be arranged on respectively back up pad 5 above.Electric motor 7 is arranged on the below of back up pad 5, and handwheel 8 is arranged on the top of back up pad 5.By the structure of back up pad 5, realize the fixed installation of the first reverse box 6, electric motor 7, handwheel 8 and the second reverse box 10.
When the shielding unit of the utility model plastic packaged integrated circuit continuous electroplating was connected with plating tank cell body 4, shielding trench 15 and anode network 17 were arranged on respectively in plating tank cell body 4, and this plating tank cell body 4 roughly is the vertical bar shaped of central slot.Anode network 17 is the titanium basket, and quantity is two.Two anode networks 17 are arranged on respectively the both sides of shielding trench 15.Retaining plate 18 is connected with anode network 17.Web plate 19 passes plating tank cell body 4 and is connected with retaining plate 18.Retaining plate 18 all adopts metallic substance to make with web plate 19, when web plate 19 is connected with external power source, can connect being connected of anode network 17 and external power source.The shielding unit of described plastic packaged integrated circuit continuous electroplating also comprises water inlet pipe 22.Bottom welding at plating tank cell body 4 has two guide pipes 20, and the below of guide pipe 20 is connected with ball valve 21.The position corresponding with two guide pipes 20 is equipped with the water inlet pipe 22 of two spherical radians below shielding trench 15, and water inlet pipe 22 can be realized moving up and down in the middle of guide pipe 20 flexibly and hermetically.
The shielding unit of described plastic packaged integrated circuit continuous electroplating is in when work, according to the mounting height of the length adjustment shielding trench 15 of electroplated circuit card 3.At first rotate to drive the first reverse box 6 by 7 runnings of time variable control active motor or manual rotation handwheel 8, drive the second reverse box 10 rotations by the first transmission shaft 12 again, the second reverse box 10 drives 14 motions of cranking arm, and finally makes shielding trench 15 rise or descend mobile.At this moment, the water inlet pipe 22 of shielding trench 15 belows moves up and down in guide pipe 20, until adjust to predefined position.Electroplating liquid medicine enters in guide pipe 20 by ball valve 21.Because the outer wall of water inlet pipe 22 inwall with guide pipe seals mutually, electroplating liquid medicine enters into shielding trench 15 through water inlet pipe 22, this moment, the electroplating liquid medicine exchange velocity was very fast, the phenomenon of the metal ion parital vacuum that produces because of liquid medicine exchange deficiency in the time of can avoiding high speed electrodeposition.Electroplating liquid medicine flows out from the side plate of shielding trench 15, and when overflowing electroplating technology groove 16, unnecessary liquid medicine is back in the electroplating liquid medicine liquid storage cylinder, thereby completes do action.When steel band 1 electroplated circuit card 3 by electroplating technology groove 16 by metal holder 2 clampings, the anodic bonding of web plate 19 and external power source, distribution character due to current field, and the width of electroplated circuit card 3, make the surperficial suffered current density of electroplated circuit card 3 different, this moment, shielding trench 15 made current field not directly act on the surface of electroplated circuit card 3, make it change direction, make the current density on the surface that arrives electroplated circuit card 3 even, and then make the consistency of thickness that produces coating.
The shielding unit of the utility model plastic packaged integrated circuit continuous electroplating adopts handwheel 8 manual operations or electric motor 7 automatic operations to regulate the mounting height of shielding trench 15, shielding trench 15 operates steadily reliable in the process of the back and forth movement that rises or descend, and strong adaptability.
The above is described embodiment of the present utility model by reference to the accompanying drawings; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; those of ordinary skill in the art is under enlightenment of the present utility model; do not breaking away from the scope situation that the utility model aim and claim protect; also can make a lot of forms, within these all belong to protection of the present utility model.
Claims (9)
1. the shielding unit of a plastic packaged integrated circuit continuous electroplating, comprise shielding trench (15), it is characterized in that electric motor (7) and handwheel (8) that the shielding unit of described plastic packaged integrated circuit continuous electroplating also comprises the transmission mechanism that is connected with described shielding trench (15) and is connected with described transmission mechanism; Wherein, described electric motor (7) and described handwheel (8) drive described shielding trench (15) back and forth movement by driving described transmission mechanism.
2. the shielding unit of plastic packaged integrated circuit continuous electroplating according to claim 1, it is characterized in that the first transmission shaft (12) that described transmission mechanism comprises the first reverse box (6) of being in transmission connection with described electric motor (7) and described handwheel (8), be in transmission connection with described the first reverse box (6), the second driving shaft (13) that all is in transmission connection with described the first transmission shaft (12) and described shielding trench (15).
3. the shielding unit of plastic packaged integrated circuit continuous electroplating according to claim 2, is characterized in that, described transmission mechanism also comprises the second reverse box (10); The input shaft of described the second reverse box (10) and described the first transmission shaft (12) are in transmission connection, and the output shaft of described the second reverse box (10) and described second driving shaft (13) are in transmission connection.
4. the shielding unit of plastic packaged integrated circuit continuous electroplating according to claim 3, is characterized in that, described transmission mechanism also comprises crank arm (14); Described second driving shaft (13) is installed on above described shielding trench (15), and is connected with described shielding trench (15) by described cranking arm (14); Described second driving shaft (13) drives described cranking arm (14) and drives described shielding trench (15) back and forth movement.
5. the shielding unit of plastic packaged integrated circuit continuous electroplating according to claim 4, is characterized in that, described transmission mechanism also comprises the first shaft coupling (9); Described handwheel (8) is connected with the input shaft of described the first reverse box (6) by described the first shaft coupling (9).
6. the shielding unit of plastic packaged integrated circuit continuous electroplating according to claim 5, is characterized in that, described transmission mechanism also comprises the second shaft coupling (11); Described the first transmission shaft (12) is connected with the input shaft of described the second reverse box (10) by described the second shaft coupling (11).
7. the shielding unit of plastic packaged integrated circuit continuous electroplating according to claim 6, is characterized in that, described transmission mechanism also comprises second driving shaft (13); Described second driving shaft (13) quantity is two, and the two ends with described the first transmission shaft (12) are in transmission connection respectively; Described the first reverse box (6) is arranged in the middle part of described the first transmission shaft (12).
8. the shielding unit of plastic packaged integrated circuit continuous electroplating according to claim 7, is characterized in that, the shielding unit of described plastic packaged integrated circuit continuous electroplating also comprises back up pad (5); Described the first reverse box (6) is arranged on plating tank cell body (4) by described back up pad (5) respectively with described the second reverse box (10).
9. the shielding unit of plastic packaged integrated circuit continuous electroplating according to claim 8, is characterized in that, the bottom of described shielding trench (15) is provided with water inlet pipe (22); The quantity of described water inlet pipe (22) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712661 CN202989320U (en) | 2012-12-21 | 2012-12-21 | Plastic-packaged integrated circuit continuous-plating shielding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712661 CN202989320U (en) | 2012-12-21 | 2012-12-21 | Plastic-packaged integrated circuit continuous-plating shielding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202989320U true CN202989320U (en) | 2013-06-12 |
Family
ID=48560516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220712661 Expired - Lifetime CN202989320U (en) | 2012-12-21 | 2012-12-21 | Plastic-packaged integrated circuit continuous-plating shielding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202989320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862768A (en) * | 2015-05-27 | 2015-08-26 | 广州杰赛科技股份有限公司 | Electroplating method and device of circuit boards |
-
2012
- 2012-12-21 CN CN 201220712661 patent/CN202989320U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862768A (en) * | 2015-05-27 | 2015-08-26 | 广州杰赛科技股份有限公司 | Electroplating method and device of circuit boards |
| CN104862768B (en) * | 2015-05-27 | 2017-09-22 | 广州杰赛科技股份有限公司 | The electro-plating method and device of a kind of circuit board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191009 Address after: 523000 Building A of Omet Intelligent Industrial Park, No. 2 Shaping Road, Keyuan City Information Industry Park, Tangxia Town, Dongguan City, Guangdong Province Patentee after: Dongguan Omeite Technology Co.,Ltd. Address before: 518109 Guangdong Province, Shenzhen city Longhua Sea Hua Industrial Park Fanlu Aomeite Patentee before: SHENZHEN ALLMERIT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |
|
| CX01 | Expiry of patent term |