CN109881190B - Electroless plating tank and nickel-plated gold wire - Google Patents
Electroless plating tank and nickel-plated gold wire Download PDFInfo
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- CN109881190B CN109881190B CN201910287084.4A CN201910287084A CN109881190B CN 109881190 B CN109881190 B CN 109881190B CN 201910287084 A CN201910287084 A CN 201910287084A CN 109881190 B CN109881190 B CN 109881190B
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- tank
- electroless plating
- plating tank
- action
- groove
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- 238000007772 electroless plating Methods 0.000 title claims abstract description 32
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 34
- 238000007747 plating Methods 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 27
- 238000002844 melting Methods 0.000 claims description 17
- 230000008018 melting Effects 0.000 claims description 15
- 229910052759 nickel Inorganic materials 0.000 claims description 14
- 230000004888 barrier function Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- MSNOMDLPLDYDME-UHFFFAOYSA-N gold nickel Chemical compound [Ni].[Au] MSNOMDLPLDYDME-UHFFFAOYSA-N 0.000 description 12
- 238000010992 reflux Methods 0.000 description 7
- 229910052737 gold Inorganic materials 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001096 P alloy Inorganic materials 0.000 description 1
- VIEPBHVFZWHJPZ-UHFFFAOYSA-N [Ni]=S.[Au] Chemical compound [Ni]=S.[Au] VIEPBHVFZWHJPZ-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- OFNHPGDEEMZPFG-UHFFFAOYSA-N phosphanylidynenickel Chemical compound [P].[Ni] OFNHPGDEEMZPFG-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Chemically Coating (AREA)
Abstract
The invention provides an electroless plating tank and a nickel-plated gold wire, wherein the electroless plating tank comprises a tank body and a driving device, the tank body is provided with at least two action tanks, and the driving device drives the tank body to move so that the action tanks on the tank body sequentially move to working positions. By the design, when the chemical plating tank needs to be replaced with liquid medicine and maintained, or when faults occur and needs to be maintained, the chemical plating tank can be rapidly processed by replacing the action tank participating in work, and the whole equipment is not required to be stopped or stopped in a short time, so that the time is greatly saved, and the production efficiency is further improved.
Description
Technical Field
The invention relates to the technical field of PCB manufacturing equipment, in particular to an electroless plating tank and a nickel-plated gold wire.
Background
Electroless nickel gold, also known as electroless nickel gold, is prepared by chemically replacing palladium on the surface of copper, then chemically plating a nickel-phosphorus alloy layer on the basis of palladium core, and then plating a gold layer on the surface of nickel by the replacement reaction. The production process does not need to be conducted through current, and is therefore also called electroless nickel gold. Compared with the traditional electroplating mode, the nickel-plated gold has the advantages of good dispersibility of a nickel-gold layer, good welding and multiple welding performances, good Bonding (TS Bond or U Bond) performance, compatibility with various soldering fluxes and the like, and is an excellent copper surface protection layer. And are therefore increasingly favored by a wide range of customers.
The existing nickel-gold wire generally adopts gantry type nickel-gold equipment. The gantry nickel-gold melting equipment mainly comprises a chemical tank, a track, a portal frame, a lifting motor and a hanging basket. The chemical tank comprises a cleaning tank, a rinsing tank, a microetching tank, a nickel melting tank, a gold melting tank, a rinsing tank and the like which are arranged along the production line and are mutually independent. The track is arranged beside the chemical tank, and the portal frame is driven by the driving motor and can move along the track. The lifting motor is arranged on the portal frame and connected with the hanging basket to drive the hanging basket to move up and down. The hanging basket is internally provided with a workpiece. When the workpiece is processed, the hanging basket is driven by the portal frame and the lifting motor to enter each chemical tank one by one.
During long-term production and use, certain electroless plating tanks, such as nickel plating tanks, require periodic replacement of the chemical solution and maintenance, or failure of certain electroless plating tanks requires repair. In the prior art, the whole nickel-gold melting equipment is usually required to be stopped and then is operated, so that the stopping operation of the whole equipment can be caused, and the production efficiency is seriously affected.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the production efficiency is affected due to the fact that a certain electroless plating tank needs to be maintained in the nickel-gold plating equipment in the prior art, so as to provide the electroless plating tank and the nickel-gold plating line.
The invention provides an electroless plating tank, comprising:
the groove body is provided with at least two action grooves;
The driving device drives the groove body to move so that the acting groove moves to the working position in sequence.
Optionally, the tank body is formed with at least two action grooves extending in parallel in a horizontal plane, and the action grooves extend along the length direction of the tank body.
Optionally, the device comprises a base and a mounting bracket for mounting the tank body, wherein the mounting bracket is slidably mounted on the base in a horizontal direction perpendicular to the extending direction of the acting tank, and the driving device comprises a transverse driving device for driving the mounting bracket to slide relative to the base.
Optionally, the device comprises a carriage for mounting the mounting bracket, wherein the carriage is slidably mounted on the base along a horizontal direction perpendicular to the extending direction of the acting groove; the sliding frame is provided with a jacking device for driving the mounting bracket to move in the height direction.
Optionally, the transverse driving device comprises a first threaded rod arranged between the carriage and the base, a first sprocket arranged on the first threaded rod, a first driving motor arranged on the base, and a first chain connecting the first sprocket and the first driving motor; the first threaded rod extends along a horizontal direction perpendicular to the extending direction of the acting groove.
Optionally, the jacking device includes a plurality of second threaded rods vertically extending between the carriage and the mounting bracket, second chain wheels arranged on the second threaded rods, second chains surrounding and connecting all the second chain wheels, and a second driving motor mounted on the base; the device also comprises a third sprocket arranged on one of the second threaded rods and a third chain connected between the third sprocket and the second driving motor.
Optionally, two groups of mounting brackets and the sliding frame are arranged along the length direction of the groove body, and the first chains corresponding to the two groups of mounting brackets and the sliding frame are driven by the same first driving motor arranged at the middle position.
Optionally, two groups of mounting brackets and the sliding frame are arranged along the length direction of the groove body, and the third chains corresponding to the two groups of mounting brackets and the sliding frame are driven by the same second driving motor arranged at the middle position.
Optionally, the transverse driving device comprises a first cylinder arranged between the carriage and the base, and the jacking device comprises a second cylinder arranged between the carriage and the mounting bracket.
Optionally, the two ends of the action groove penetrate through the groove body, and the working position is a position aligned with and penetrated by other groove bodies of the nickel-melting gold wire.
Optionally, two action grooves which extend in a crossing way and are staggered in height are formed on the groove body, and the driving device comprises a rotation driving device for driving the groove body to rotate and a jacking driving device for moving in the height direction.
Optionally, the electroless plating tank is a nickel melting tank, two ends of the nickel melting tank are provided with reflux sections with set length extension, two ends of the reflux sections are provided with baffle plates, and the bottom of the reflux sections is connected with a reflux pipeline; the baffle plate has a workpiece gap that allows the workpiece to pass through.
The invention also provides a nickel-plated gold wire, which comprises the following components:
the groove body devices are provided with action grooves which are communicated in the length direction, and the action grooves of the groove body devices are aligned to form continuous through grooves;
a conveying device for driving the workpiece to move in the through groove along the extending direction of the through groove;
At least one of the tank body devices is the chemical plating tank, two ends of the action tank penetrate through the tank body, and the working position is a position aligned with and communicated with the through tank.
The technical scheme of the invention has the following advantages:
The invention provides an electroless plating tank which comprises a tank body and a driving device, wherein the tank body is provided with at least two action tanks, and the driving device drives the tank body to move so that the action tanks on the tank body sequentially move to working positions. By the design, when the chemical plating tank needs to be replaced with liquid medicine and maintained, or when faults occur and needs to be maintained, the chemical plating tank can be rapidly processed by replacing the action tank participating in work, and the whole equipment is not required to be stopped or stopped in a short time, so that the time is greatly saved, and the production efficiency is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a nickel-plated gold wire according to a first embodiment of the present invention;
FIG. 2 is a partial schematic view of the nickel sulfide gold wire shown in FIG. 1;
FIG. 3 is a schematic view showing a structure of an electroless plating tank according to another embodiment of the present invention;
FIG. 4 is a partial schematic view of the body region of the electroless plating tank shown in FIG. 3;
fig. 5 is a partial schematic view of the area of the driving device in the electroless plating tank shown in fig. 3.
Reference numerals illustrate:
1-coil plate placing machine, 2-pretreatment tank, 3-nickel melting tank, 4-gold melting tank, 5-post treatment tank, 6-coil plate collecting machine, 7-through tank, 8-conveyor belt device, 9-action tank, 10-return pipeline, 11-carriage, 12-base, 13-tank body, 14-mounting bracket, 15-return section, 16-baffle plate, 17-third chain, 18-second driving motor, 19-first driving motor, 20-second chain, 21-first threaded rod, 22-first chain and 23-second threaded rod.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 3 to 5 show an embodiment of an electroless plating tank provided by the present invention. In this embodiment, the nickel melting tank 3 is taken as an example to illustrate the structural features and the working principle of the invention. Obviously, the electroless plating tank referred to in the present invention may be other types of electroless plating tanks.
The nickel melting tank 3 comprises a base 12, a tank body 13, a mounting bracket 14, a carriage 11 and a driving device. The tank body 13 is formed with two action grooves 9 extending in parallel in a horizontal plane. The action groove 9 penetrates the groove 7 body in the longitudinal direction of the groove body 13. The mounting bracket 14 is disposed at the bottom of the tank body 13, and is used for bearing and fixing the tank body 13. The carriage 11 is slidably mounted on the base 12 in a horizontal direction perpendicular to the extending direction of the operation groove 9 by a slide rail structure. The drive means comprise lifting means for driving the mounting bracket 14 in a height direction and transverse drive means for driving the carriage 11 to slide along the slide rail structure relative to the base 12.
The lateral drive means comprise a first threaded rod 21 arranged between the carriage 11 and the base 12, a first sprocket arranged on the first threaded rod 21, a first drive motor 19 mounted on the base 12 and a first chain 22 connecting the first sprocket and the first drive motor 19. The first threaded rod 21 is arranged extending in a horizontal direction perpendicular to the direction in which the active slot 9 extends.
The jacking means comprise a second threaded rod 23, a second chain 20, a third chain 17 and a second drive motor 18. The second threaded rods 23 are arranged between the carriage 11 and the mounting bracket 14 along the vertical direction, four corresponding four corners of the mounting bracket 14 are provided, and each second threaded rod 23 is provided with a second sprocket. The second chain 20 is a closed chain enclosing all the second sprockets inside, so designed that synchronous rotation of all the second threaded rods 23 is achieved. The second drive motor 18 is mounted on the slide and the jacking device further comprises a third sprocket arranged on one of the second threaded rods 23 and a third conveyor belt connecting between the third sprocket and the second drive.
In this embodiment, two sets of mounting brackets 14 and a carriage 11 are disposed along the length direction of the slot body 13, and a first chain 22 and a third chain 17 corresponding to the two sets of mounting brackets 14 and the carriage 11 are driven by the same first driving motor 19 and second driving motor 18 respectively. It is apparent that only one set of the mounting bracket 14 and the carriage 11, or a plurality of sets of the mounting bracket 14 and the carriage 11 may be employed depending on the length of the tank body 13. The number of the second threaded rods 23 in the present invention may also be determined according to the shape, weight, etc. of the tank body 13.
The two ends of the nickel melting tank 3 are provided with reflux sections 15 with set length extension, the two ends of the reflux sections 15 are provided with baffle plates 16, and the bottom is connected with a reflux pipeline 10. The baffle 16 has a workpiece gap that allows the workpiece to pass through. By arranging the backflow section 15 and the baffle plate 16, the blocking between the adjacent electroless plating tanks of different types is realized, and the occurrence of cross tanks is avoided.
Under the action of the driving device, the driving tank body 13 moves to enable the acting tank 9 on the driving tank body to sequentially move to the working position aligned and communicated with other electroless plating tanks. The design can realize the quick replacement of the nickel bath 3, thereby avoiding the reduction of the production efficiency caused by the maintenance of the nickel bath 3 or the replacement of the liquid medicine or the failure.
As another embodiment, the lateral driving means and the jacking means may be replaced by air cylinders or hydraulic cylinders, i.e. comprising a first air cylinder or hydraulic cylinder driving the sliding of the carriage 11 and a second air cylinder or hydraulic cylinder driving the movement of the mounting bracket 14 in the height direction.
As another embodiment, only the lateral drive means may be included.
As another embodiment, two intersecting and height-staggered action grooves 9 are formed on the groove body 13, and the driving device comprises a rotation driving device for driving the groove body 13 to rotate and a lifting driving device for moving in the height direction.
As another embodiment, the electroless plating tank may include three or more action tanks 9 extending in parallel in a horizontal plane, and the action tanks 9 are sequentially moved to the working position by the driving means.
As another embodiment, the action groove 9 may not be through in the groove body 13, i.e. it is a common groove body structure, and may be applied to a common nickel-gold plating apparatus, such as a gantry nickel-gold plating apparatus, and also may enable the design purpose of quick replacement of the electroless plating groove.
The present invention also provides an embodiment of a nickel-plated gold wire, referring to fig. 1-2, which includes:
The groove body devices are provided with action grooves 9 which are communicated in the length direction, and the action grooves 9 of the groove body devices are aligned to form continuous through grooves 7;
a conveying device for driving the workpiece to move in the through groove 7 along the extending direction of the through groove 7;
At least one of the plurality of tank body devices is the electroless plating tank; the two ends of the action groove 9 penetrate through the body of the groove 7, and the working position is a position aligned with and penetrated by the through groove 7.
Wherein, the plurality of tank body devices comprise a pretreatment tank 2, a nickel melting tank 3, a gold melting tank 4 and a post-treatment tank 5.
The conveying device in the nickel-melting gold wire is in a conveying belt form and comprises a conveying belt device 8, and a reel type plate unreeling machine 1 and a reel type plate reeling machine 6 which are arranged at two ends of the conveying belt device 8; the conveyor belt device 8 comprises a conveyor belt and a conveyor belt mounted clamp for clamping the workpiece, the conveyor belt comprising a through section extending in the through slot 7 in the direction of extension of the through slot 7. The movement of the conveyor belt drives the workpiece to move in the through groove 7. Realizing the processing of the workpiece.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (9)
1. An electroless plating tank comprising:
a tank body (13) having at least two action grooves (9);
The driving device drives the groove body (13) to move so as to enable the acting groove (9) to sequentially move to a working position;
A base (12) and a mounting bracket (14) for mounting the tank body (13), wherein the mounting bracket (14) is slidably mounted on the base (12) in a horizontal direction perpendicular to the extending direction of the action tank (9), and the driving device comprises a transverse driving device for driving the mounting bracket (14) to slide relative to the base (12);
the sliding frame (11) is used for installing the installation bracket (14), and the sliding frame (11) is slidably installed on the base (12) along the horizontal direction perpendicular to the extending direction of the acting groove (9) through a sliding rail structure; the sliding frame (11) is provided with a jacking device for driving the mounting bracket (14) to move in the height direction;
The transverse driving device comprises a first threaded rod (21) arranged between the sliding frame (11) and the base (12), a first sprocket arranged on the first threaded rod (21), a first driving motor (19) mounted on the base (12) and a first chain (22) connecting the first sprocket and the first driving motor (19); the first threaded rod (21) is arranged in a horizontal direction perpendicular to the extending direction of the acting groove (9);
the jacking device comprises a plurality of second threaded rods (23) which are arranged between the sliding frame (11) and the mounting bracket (14) and vertically extend, second chain wheels which are arranged on the second threaded rods (23), second chains (20) which are connected with all the second chain wheels in a surrounding mode, and a second driving motor (18) which is mounted on the base (12); the device also comprises a third sprocket wheel arranged on one of the second threaded rods (23) and a third chain (17) connected between the third sprocket wheel and the second driving motor (18).
2. Electroless plating tank according to claim 1, characterized in that: the groove body (13) is formed with at least two action grooves (9) which extend in parallel in a horizontal plane, and the action grooves (9) extend along the length direction of the groove body (13).
3. Electroless plating tank according to claim 2, characterized in that: two groups of mounting brackets (14) and sliding frames (11) are arranged along the length direction of the groove body (13), and first chains (22) corresponding to the two groups of mounting brackets (14) and the sliding frames (11) are driven by the same first driving motor (19) arranged at the middle position.
4. Electroless plating tank according to claim 2, characterized in that: two groups of mounting brackets (14) and sliding frames (11) are arranged along the length direction of the groove body (13), and a third chain (17) corresponding to the two groups of mounting brackets (14) and the sliding frames (11) is driven by the same second driving motor (18) arranged at the middle position.
5. Electroless plating tank according to claim 2, characterized in that: the transverse driving device comprises a first air cylinder arranged between the sliding frame (11) and the base (12), and the jacking device comprises a second air cylinder arranged between the sliding frame (11) and the mounting bracket (14).
6. Electroless plating tank according to claim 2, characterized in that: the two ends of the action grooves (9) are communicated with the groove body (13), a plurality of the action grooves (9) are aligned to form continuous through grooves (7), and the working positions are aligned to the through grooves (7).
7. Electroless plating tank according to claim 1, characterized in that: two action grooves (9) which extend in a crossing way and are staggered in height are formed on the groove body (13), and the driving device comprises a rotation driving device for driving the groove body (13) to rotate and a jacking driving device for moving in the height direction.
8. Electroless plating tank according to any of the claims 1-7, characterized in that: the chemical plating tank is a nickel melting tank (3), two ends of the nickel melting tank (3) are provided with backflow sections (15) with set length extension, two ends of the backflow sections (15) are provided with baffle plates (16), and the bottom of the backflow sections is connected with a backflow pipeline (10); the barrier plate (16) has a workpiece gap that allows a workpiece to pass through.
9. A nickel-plated gold wire, comprising:
A plurality of groove body devices, wherein the groove body devices are provided with action grooves (9) which are communicated in the length direction, and the action grooves (9) of the groove body devices are aligned to form continuous through grooves (7);
a conveying device for driving the workpiece to move in the through groove (7) along the extending direction of the through groove (7);
At least one of the tank body devices is an electroless plating tank according to any one of claims 1-8, two ends of the action tank (9) penetrate through the tank body (13), and the working position is a position aligned and penetrated with the penetrating tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287084.4A CN109881190B (en) | 2019-04-10 | 2019-04-10 | Electroless plating tank and nickel-plated gold wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287084.4A CN109881190B (en) | 2019-04-10 | 2019-04-10 | Electroless plating tank and nickel-plated gold wire |
Publications (2)
| Publication Number | Publication Date |
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| CN109881190A CN109881190A (en) | 2019-06-14 |
| CN109881190B true CN109881190B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910287084.4A Active CN109881190B (en) | 2019-04-10 | 2019-04-10 | Electroless plating tank and nickel-plated gold wire |
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| Country | Link |
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| CN (1) | CN109881190B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110306215B (en) * | 2019-07-30 | 2024-02-13 | 东光运城制版有限公司 | Nickel-removing and bottom-copper-changing plating solution and method for plate roller and production line |
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| JPH10110297A (en) * | 1996-10-08 | 1998-04-28 | Kogane Shoji Kk | Plating device |
| US5795405A (en) * | 1996-03-13 | 1998-08-18 | Eric F. Harnden | Machine and method for processing of printed circuit boards by immersion in transversely flowing liquid chemical |
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-
2019
- 2019-04-10 CN CN201910287084.4A patent/CN109881190B/en active Active
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| US4318793A (en) * | 1979-12-29 | 1982-03-09 | Electroplating Engineers Of Japan, Limited | Automatic plating apparatus |
| US5795405A (en) * | 1996-03-13 | 1998-08-18 | Eric F. Harnden | Machine and method for processing of printed circuit boards by immersion in transversely flowing liquid chemical |
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| CN109881190A (en) | 2019-06-14 |
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Address after: 215311 East Side of Dongding Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: Kunshan Weiwei Science and Technology Co.,Ltd. Address before: 215311 East Side of Dongding Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: KUNSHAN DONGWEI PLATING EQUIPMENT TECHNOLOGY Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |