CN113699578A

CN113699578A - Electroplating system for double-sided coating

Info

Publication number: CN113699578A
Application number: CN202110881514.2A
Authority: CN
Inventors: 臧世伟
Original assignee: Chongqing Jinmei New Material Technology Co Ltd
Current assignee: Chongqing Jinmei New Material Technology Co Ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-11-26
Anticipated expiration: 2041-08-02
Also published as: CN113699578B

Abstract

The invention provides an electroplating system for double-sided coating, which comprises an unwinding mechanism, a plurality of cleaning electroplating devices and a winding mechanism which are sequentially arranged, wherein each cleaning electroplating device comprises a cleaning mechanism and an electroplating mechanism; the wiper mechanism includes: the device comprises a first liquid storage tank, a first roller, a second roller, a first conductive roller and a second conductive roller; cleaning liquid is stored in the first liquid storage tank; the first roller of crossing the roller the second cross the roller first conducting roller with the second conducting roller all rotates to be connected in the first liquid reserve tank, just first conducting roller with the submergence of second conducting roller is below the liquid level of washing liquid, the vertical mounting height that the roller was crossed to the second is higher than first roller cross the first conducting roller with the vertical mounting height that the second conducting roller corresponds respectively, the roller is crossed to the second and is in more than the liquid level of washing liquid. The problem that the conductive roller in an electroplating system is easy to be plated with copper and form crystals so as to puncture a product to be plated is solved.

Description

Electroplating system for double-sided coating

Technical Field

The invention relates to the technical field of electroplating, in particular to an electroplating system for double-sided coating.

Background

With the development of modern industrial technology, the demand for coating film on the surface of a flexible film substrate is increasing, the flexible film substrate is widely applied to the fields of high-performance automobile film, plasma television flat panel display, touch screen, solar cell, flexible printed circuit board (FPC), chip-on-film (COF) and the like, cleaning solution electroplating equipment is usually used for electroplating the flexible film substrate in industrial production, that is, in order to meet the needs of various bodies and plating layers, a cleaning solution plating solution is prepared so that the flexible film base material can be completed in a short time by the cleaning solution plating solution, and in general, a plating apparatus in the prior art is provided with a plurality of plating tanks for supplying a plating solution, an anode is provided in the tank so as to face a plating surface functioning as a cathode, and a power supply unit for supplying power to each plating tank and a continuous transport mechanism for the flexible film base material, by controlling the energization amount of each plating tank, a uniform and good plating film can be continuously formed.

However, due to the design defects of the existing film plating equipment, the surface of the cathode roller which is in contact with the film to realize electric conduction is plated with copper, the copper plating can cause the surface of the film to be scratched, punctured or color difference defects, and meanwhile, the film surface of the conductive film can burn through or even break when large current is conducted due to the electric conductivity, so that the yield and the yield of conductive film products are greatly reduced.

Disclosure of Invention

In view of the above, the present invention provides an electroplating system for double-sided plating to solve the problem that the conductive roller in the electroplating system is easy to be plated with copper and form crystals to pierce the product to be plated.

In order to achieve the purpose, the invention is realized by the following technical scheme:

an electroplating system comprises an unwinding mechanism, a plurality of cleaning and electroplating devices and a winding mechanism which are sequentially arranged, wherein each cleaning and electroplating device comprises a cleaning mechanism and an electroplating mechanism;

the cleaning mechanism includes: the device comprises a first liquid storage tank, a first roller, a second roller, a first conductive roller and a second conductive roller; cleaning liquid is stored in the first liquid storage tank; the first roller of crossing the roller the second cross the roller first conducting roller with the second conducting roller all rotates to be connected in the first liquid reserve tank, just first conducting roller with the submergence of second conducting roller is below the liquid level of washing liquid, the vertical mounting height that the roller was crossed to the second is higher than first roller cross the first conducting roller with the vertical mounting height that the second conducting roller corresponds respectively, the roller is crossed to the second and is in more than the liquid level of washing liquid.

Further, the first liquid storage tank comprises a first tank body and a second tank body, and cleaning liquid is stored in both the first tank body and the second tank body; the first roller is connected in the first groove body in a rotating mode, and the second roller, the first conductive roller and the second conductive roller are connected in the second groove body in a rotating mode.

In some possible embodiments, the cleaning mechanism further comprises a third roller which is rotatably connected in the second tank, and the first conductive roller and the second conductive roller are positioned between the second roller and the third roller; the first roller, the second roller, the first conductive roller, the second conductive roller and the third roller are parallel.

In some possible embodiments, the plating mechanism comprises: the second liquid storage tank, the tension roller, the steering roller, the fourth roller, the fifth roller and the titanium blue;

electrolyte is stored in the second liquid storage tank;

the tension roller is arranged above the front end of the second liquid storage tank;

the steering roller is rotatably connected to the middle position, close to the bottom, in the second liquid storage tank;

the fourth roller and the fifth roller are both arranged above the rear end of the second liquid storage tank, and the fourth roller and the fifth roller are arranged oppositely;

a plurality of titanium baskets which are uniformly arranged are vertically arranged in the second liquid storage tank, and a plurality of metal copper balls are arranged in the titanium baskets.

According to the embodiment of the invention, the fifth roller serving as the compression roller is arranged, the fifth roller and the fourth roller are matched to realize the liquid squeezing function, and the fifth roller can prevent a large amount of plating solution from entering the next unit cleaning tank.

In some possible embodiments, the tension roller, the turning roller and the fourth roller are arranged to form a V-shaped included angle, which is beneficial to ensure the surface tension of the product to be electroplated.

In some possible embodiments, the first liquid storage tank further comprises a baffle plate, the baffle plate is fixedly connected in the first liquid storage tank and divides the first liquid storage tank into the first tank body and the second tank body, the bottom of the first tank body is fixedly connected with a drain pipe, and the drain pipe is provided with an electromagnetic valve.

According to the embodiment of the invention, the baffle is fixedly connected in the first liquid storage tank, the first liquid storage tank is divided into the first tank body and the second tank body, so that two-stage cleaning or liquid washing is favorably realized, the cleaning effect is enhanced, the dirty cleaning liquid of the first stage cannot enter the second stage, and the cleaning liquid of the second stage can enter the first stage for recycling. According to the embodiment of the invention, the drain pipe is arranged, so that the liquid in the first tank body can be discharged, and the electromagnetic valve is used for controlling the switch of the drain pipe to be closed, so that the automatic control is realized, and the working efficiency is improved.

In some possible embodiments, the first tank further comprises: the cleaning device comprises a first spraying mechanism and a roller wiping mechanism, wherein the first spraying mechanism is oppositely arranged and respectively arranged above and below the front end of a first roller, above and below the rear end of a second roller, below the front end of a tension roller and below the rear end of a fourth roller, the first spraying mechanism sprays cleaning liquid, the roller wiping mechanism is arranged above the first conductive roller and below the second conductive roller, and a cutter head of the roller wiping mechanism is tightly attached to the first conductive roller and the second conductive roller. According to the embodiment of the invention, the first conductive roller and the second conductive roller are arranged in the first liquid storage tank which stores cleaning liquid, metal or impurities laminated on the first conductive roller and the second conductive roller are cleaned off through the roller wiping mechanism, and impurities and residual electroplating solution on a product to be electroplated are washed off through the first spraying mechanism, so that the copper plating phenomenon on the first conductive roller and the second conductive roller can be prevented, the situations of scratches, puncture or color difference and the like of the product to be electroplated are effectively reduced, and the quality of the electroplated product is greatly improved.

In some possible embodiments, the electroplating mechanism further includes a second spraying mechanism, the second spraying mechanisms are oppositely arranged and respectively arranged below the rear end of the tension roller and below the front end of the fourth roller, and the second spraying mechanism sprays the electrolyte. According to the embodiment of the invention, the first liquid storage tanks and the second liquid storage tanks are distributed at intervals, and the first spraying mechanism and the second spraying mechanism are arranged at all sections away from the liquid level on the film running section and are respectively used for spraying the cleaning solution and the electrolyte, so that the product to be electroplated can be always in the coating of the electrolyte or the cleaning solution for cooling, the whole process of cooling of the product to be electroplated is realized, the flow resistance of the product to be electroplated is improved, and the occurrence of film surface burnthrough and even film breakage is reduced.

In some possible embodiments, the electroplating mechanism further comprises a first guide plate, a second guide plate and a connecting piece, the front end of the first guide plate is fixedly connected to the rear end of the first liquid storage tank, the rear end of the second guide plate is fixedly connected to the front end of the second liquid storage tank, the front end of the bottom of the connecting piece is fixedly connected to the rear end of the first guide plate, and the rear end of the bottom of the connecting piece is fixedly connected to the front end of the second guide plate. According to the embodiment of the invention, the cleaning liquid sprayed by the first spraying mechanism can be prevented from entering the second liquid storage tank through the first guide plate, and the electrolyte sprayed by the second spraying mechanism can be prevented from entering the first liquid storage tank through the second guide plate.

In some possible embodiments, the first conductive roller and the second conductive roller each have a plurality of insulating portions, and both ends of the first conductive roller and the second conductive roller are conductive portions and the middle is an insulating portion.

In some possible embodiments, the conductive part and the insulating part of the first conductive roller and the second conductive roller are integrally arranged or are of a split design.

The technical scheme has the following beneficial effects:

according to the embodiment of the invention, the first conductive roller and the second conductive roller are completely immersed in the cleaning solution, so that copper plating of the conductive rollers can be prevented without adding a cleaning device on the first conductive roller and the second conductive roller, compared with a mode of washing by using the cleaning solution of the cleaning device, the problem that the conductive rollers in an electroplating system are easy to plate copper and form crystals to pierce a product to be plated can be effectively solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of an electroplating system according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a cleaning mechanism and an electroplating mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of another cleaning mechanism and electroplating mechanism according to an embodiment of the present invention.

The reference numbers illustrate:

1. an unwinding mechanism; 2. a cleaning mechanism; 3. an electroplating mechanism; 4. a winding mechanism;

21. a first liquid storage tank; 22. a first roller; 23. a second roller; 24. a first conductive roller; 25. a second conductive roller; 26. a third roller passing; 27. a first spraying mechanism; 28. a roller wiping mechanism; 211. a first tank body; 212. a second tank body; 213. a baffle plate; 2112. a bleeder tube; 2114. an electromagnetic valve;

31. a second liquid storage tank; 32. a tension roller; 33. a turning roll; 34. fourth roller passing; 35. fifth roller passing; 36. titanium blue; 37. a second spraying mechanism; 38. a first baffle; 39. a second baffle; 40. a connecting member.

Detailed Description

Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the process of implementing the present invention, the inventor finds that the electroplating products produced by the conventional electroplating system, such as metal films, can form some sharp copper atomic groups on the conductive roller due to the fact that the electroplating solution is carried onto the conductive roller after the conductive film passes through the electroplating bath, and the metal copper plated on the conductive roller can form some sharp copper atomic groups, so as to scratch or puncture the products to be plated, such as the films. And the copper metal plated on the conductive roller can be attached to the product to be plated after the product to be plated passes through, the metal can be plated on the fallen metal layer when the product passes through the next plating solution tank, and the metal can fall off in the subsequent process, so that the color difference of the film surface of the product to be plated is caused. Moreover, the electroplating solution on the conductive roller can be evaporated due to the electrification on the conductive roller and the temperature of the environment, so that electrolyte particles of the electrolyte are left, and a product to be plated can be punctured. By adopting the electroplating system provided by the embodiment of the invention, the conductive roller is arranged in the cleaning liquid (which can be water) in the first liquid storage tank and is positioned below the liquid level, so that the problems can be solved, and copper plating on the conductive roller or film hole burning can be prevented.

As shown in fig. 1-2, an embodiment of the present invention provides an electroplating system for double-sided coating, including an unwinding mechanism 1, a plurality of cleaning electroplating devices, and a winding mechanism 4, which are sequentially disposed, where each cleaning electroplating device includes a cleaning mechanism 2 and an electroplating mechanism 3; unwinding mechanism 1 sets up before wiper mechanism 2 for unreel and wait to electroplate the product, for example film substrate, winding mechanism 4 sets up behind electroplating mechanism 3, is used for the rolling to plate the film finished product of metal.

The cleaning mechanism 2 includes a first liquid tank 21, a first passing roller 22, a second passing roller 23, a first conductive roller 24, and a second conductive roller 25. Through setting up 2 or more conductive rollers, be favorable to realizing two-sided coating film.

The first liquid storage tank 21 stores cleaning liquid; the first roller 22, the second roller 23, the first conductive roller 24 and the second conductive roller 25 are rotatably connected in the first liquid storage tank 21, the first conductive roller 24 and the second conductive roller 25 are immersed below the liquid level of the cleaning liquid, the vertical installation height of the second roller 23 is higher than the vertical installation height corresponding to the first roller 22, the first conductive roller 24 and the second conductive roller 25 respectively, and the second roller 23 is above the liquid level of the cleaning liquid.

In some embodiments, the first liquid storage tank 21 includes a first tank body 211 and a second tank body 212, and the first tank body 211 and the second tank body 212 each store a cleaning liquid therein. The first tank body 211 and the second tank body 212 are arranged in front and rear, and the first tank body 211 is arranged at the front end of the second tank body 212, i.e., the left side in fig. 2.

The first roller 22 is rotatably connected in the first groove body 211, the second roller 23, the first conductive roller 24 and the second conductive roller 25 are rotatably connected in the second groove body 212, the first conductive roller 24 and the second conductive roller 25 are immersed below the liquid level of the cleaning liquid, the vertical installation height of the second roller 23 is higher than the vertical installation height of the first roller 22, the first conductive roller 24 and the second conductive roller 25 respectively, and the second roller 23 is above the liquid level of the cleaning liquid. This facilitates the running of the film and the immersion of the first conductive roller 24 and the second conductive roller 25 in the cleaning liquid. By immersing 2 or more than 2 conductive rollers in the cleaning liquid (which may be water), the conductive rollers can be prevented from being plated with copper more than water without adding a cleaning device.

In some embodiments, the roller can be arranged below the liquid level or above the liquid level, and the first roller, the second roller and the third roller are cleaned by additionally arranging a spraying device.

In some embodiments, the cleaning mechanism 2 may further include a third roller 26 rotatably connected in the second trough 212, and the first conductive roller 24 and the second conductive roller 25 are positioned between the second roller 23 and the third roller 26; the first roller 22, the second roller 23, the first conductive roller 24, the second conductive roller 25 and the third roller 26 are parallel. If not parallel, the film may wrinkle as it travels over the rollers, resulting in product failure, and thus, it is advantageous to increase product yield by arranging the rollers in parallel.

The first roller 22, the second roller 23 and the third roller 26 are respectively used for changing the film moving path of the product to be electroplated, the first conductive roller 24 and the second conductive roller 25 are used for conducting electricity on the front side and the back side of the product to be electroplated, and the layout structure can ensure that the tension applied to the product to be electroplated is in an optimal range when the product to be electroplated passes through the first roller 22, the second roller 23, the first conductive roller 24 and the second conductive roller 25, so that the performance of the product to be electroplated is ensured.

In this embodiment, the first liquid storage tank 21 may further include a baffle 213, the baffle 213 is fixedly connected in the first liquid storage tank 21 to separate the first liquid storage tank 21 into the first tank body 211 and the second tank body 212, and the above design has the advantages that: the purpose is to do the washing or the washing of two-stage, reinforcing cleaning performance, and make the dirty washing liquid of first order can not get into the second level through using equipment such as circulating pump, and the washing liquid of second level can get into first order with reuse. In an alternative embodiment, the first pass roller 22 is submerged below the level of the cleaning liquid.

The plating mechanism 3 may include: a second liquid storage tank 31, a tension roller 32, a steering roller 33, a fourth roller 34, a fifth roller 35 and titanium blue 36. Electrolyte is stored in the second liquid storage tank 31, tension roller 32 sets up the front end top at second liquid storage tank 31, turn to roller 33 and rotate to connect bottom intermediate position in second liquid storage tank 31, roller 34 and the fifth roller 35 of crossing all set up the rear end top at second liquid storage tank 31 in the fourth, and roller 34 and the fifth roller 35 of crossing set up relatively in the fourth, the vertical titanium blue 36 that is provided with a plurality of align to grid in the second liquid storage tank 31, and all be provided with a plurality of metal copper ball in the titanium blue 36. The titanium blue 36 is used for containing metal copper balls and thus serving as an anode to participate in copper plating, and a product to be electroplated reaches the second liquid storage tank 31 through the tension roller 32, then reaches the steering roller 33 through a gap between the titanium blue 36 to complete steering, and then passes through the gap between the titanium blue 36 to pass through and reach the fourth roller 34. The titanium blue 36 is preferably disposed in the second tank 31 near the top thereof.

The fifth roller 35 is a press roller, and cooperates with the fourth roller 34 to realize the liquid squeezing function, and is shown as a unit in fig. 2, but the whole equipment can have a plurality of units connected end to end, and the fifth roller 35 (press roller) prevents the plating solution from entering the cleaning tank (first liquid storage tank 21) of the next unit in a large amount. In the alternative, the fifth pass roller 35 may be omitted.

In the present embodiment, as shown in fig. 2, near the position indicated by reference numeral 36, titanium blue is provided in the vertical direction, and the inclined line is a restriction plate of titanium blue for fixing the titanium blue. In the design of the replaceable titanium blue, the titanium blue can be obliquely installed, so that the titanium blue is parallel to the product, and a better electroplating uniformity effect can be realized.

In some embodiments, the tension roller 32 is mounted on top of the front end (left side in fig. 2) of the second tank 31 by brackets; the fourth and

fifth rollers

34 and 35 are respectively mounted on top of the rear end (right side in fig. 2) of the second tank 31 by one or more brackets. The installation height of the fifth passing roller 35 in the vertical direction is higher than that of the fourth passing roller 34 in the vertical direction.

Alternatively, the tension roller 32 may be mounted on a tension sensor mounted on a sensor mounting bracket mounted on the plating bath frame (second liquid storage tank 31). The fourth and

fifth rollers

34 and 35 may be installed on a mounting seat provided on the plating tank frame (the second liquid tank 31). The top of the titanium blue is bent into an inverted U shape and is arranged on a titanium blue limiting plate, and the titanium blue limiting plate is connected with the electroplating bath rack.

In some embodiments, the tension roller 32, the turning roller 33 and the fourth roller 34 are arranged with a V-shaped included angle, also in order to ensure the surface tension of the product to be electroplated.

In some embodiments, a drain tube 2112 may be fixedly connected to the bottom of the first slot 211, and a solenoid valve 2114 is disposed on the drain tube 2112, the drain tube 2112 is used for draining the liquid in the first slot 211, and the solenoid valve 2114 is used for controlling the opening and closing of the drain tube 2112.

As shown in fig. 3, in some embodiments, the cleaning mechanism 2 may further include a first spraying mechanism 27 and a roller wiping mechanism 28, and the first spraying mechanism 27 is disposed oppositely, that is, two spray heads of the first spraying mechanism 27 are disposed on the front and back sides of the product to be electroplated, and disposed above and below the front end of the first roller 22, above and below the front end of the second roller 23, below the front end of the tension roller 32, and below the back end of the fourth roller 34. The first spraying mechanism 27 sprays cleaning liquid, the cleaning liquid is sprayed on the product to be electroplated through the first spraying mechanism 27, impurities and residual electroplating liquid on the product to be electroplated can be washed away, the wiping roller mechanism 28 is arranged above the first conductive roller 24 and below the second conductive roller 25, a cutter head of the wiping roller mechanism 28 is tightly attached to the first conductive roller 24 and the second conductive roller 25, and metal or impurities stacked on the conductive roller can be cleaned through the wiping roller mechanism 28. Optionally, the first spraying mechanism 27 cooperates with the wiping roller mechanism 28 to facilitate cleaning of the wiping roller mechanism 28 on the one hand and to remove substances left after cleaning of the wiping roller mechanism 28 on the other hand. Alternatively, when both the first conductive roller 24 and the second conductive roller 25 are immersed in the cleaning liquid, the first spraying mechanism 27 cooperating with the wiping roller mechanism 28 may also be omitted.

The first conductive roller 24 and the second conductive roller 25 are arranged in the first liquid storage tank 21 which stores cleaning liquid, metal or impurities laminated on the first conductive roller 24 and the second conductive roller 25 are cleaned off through the roller wiping mechanism 28, and the impurities and residual electroplating liquid on the product to be electroplated are washed off through the first spraying mechanism 27, so that the copper plating phenomenon on the first conductive roller 24 and the second conductive roller 25 can be prevented, the situations of scratches, puncture or color difference and the like of the product to be electroplated are effectively reduced, and the quality of the electroplated product is greatly improved.

In some embodiments, the electroplating mechanism 3 further includes a second spraying mechanism 37, and the second spraying mechanism 37 is disposed oppositely, that is, two spray heads of the second spraying mechanism 37 are respectively disposed on the front and back sides of the product to be electroplated, and are respectively disposed below the rear end of the tension roller 32 and below the front end of the fourth roller 34, and the second spraying mechanism 37 sprays the electrolyte. Through the overall arrangement that first liquid reserve tank 21 and second liquid reserve tank 31 interval were arranged to all sections that leave the liquid level on walking the membrane highway section set up first spray mechanism 27 and second and spray mechanism 37, spray washing liquid and electrolyte respectively, can make and wait to electroplate the product and cool off in the cladding of electrolyte or washing liquid always, thereby realize treating the whole cooling of electroplating the product and cool off, promote the resistant ability of waiting to electroplate the product, reduced the appearance that the membrane face burns through even disconnected membrane condition.

As shown in fig. 2 and 3, in some embodiments, the plating mechanism 3 further includes: the cleaning solution tank comprises a first guide plate 38, a second guide plate 39 and a connecting piece 40, wherein the front end of the first guide plate 38 is fixedly connected to the rear end of the first liquid storage tank 21, the rear end of the second guide plate 39 is fixedly connected to the front end of the second liquid storage tank 31, the front end of the bottom of the connecting piece 40 is fixedly connected to the rear end of the first guide plate 38, the rear end of the bottom of the connecting piece 40 is fixedly connected to the front end of the second guide plate 39, and the included angle between the first guide plate 38 and the cleaning solution tank and the horizontal direction of the second guide plate 39 is preferably 30-60 degrees. The cleaning liquid sprayed by the first spraying mechanism 27 can be prevented from entering the second liquid storage tank 31 by the first guide plate 38, and the electrolyte sprayed by the second spraying mechanism 37 can be prevented from entering the first liquid storage tank 21 by the second guide plate 39. Optionally, the connector 40 is an inverted U-shaped mechanism.

The first conductive roller 24 and the second conductive roller 25 are provided with a plurality of sections of insulating parts, both ends of the first conductive roller 24 and the second conductive roller 25 are conductive parts, the middle parts of the first conductive roller and the second conductive roller are insulating parts, the insulating parts can be insulating layers, and the whole parts of the insulating parts can be made of insulating materials.

The conductive parts and the insulating parts of the first conductive roller 24 and the second conductive roller 25 are integrally arranged, or the conductive parts and the insulating parts are designed in a split mode, namely the conductive parts and the insulating parts are in threaded connection or clamped connection.

The working principle is as follows:

firstly, the unreeling mechanism 1 discharges a product to be electroplated, the product reaches the first tank body 211 of the first liquid storage tank 21 and passes through the first roller 22, and then sequentially passes through the second roller 23, the first conductive roller 24 and the second conductive roller 25 in the second tank body 212, the first conductive roller 24 and the second conductive roller 25 are arranged in the second tank body 212 storing cleaning liquid, metal or impurities stacked on the first conductive roller 24 and the second conductive roller 25 are optionally cleaned through the roller wiping mechanism 28, and meanwhile, impurities and residual electroplating solution on the product to be electroplated are washed away through the first spraying mechanism 27, so that a copper plating phenomenon on the first conductive roller 24 and the second conductive roller 25 can be prevented, the situations of scratches, puncture or color difference and the like of the product to be electroplated are effectively reduced, and the quality of the electroplating product is greatly improved.

After the two sides of the product to be electroplated are conducted, the product to be electroplated is conveyed to the second liquid storage tank 31 through the tension roller 32, then the product to be electroplated is conveyed to the steering roller 33 through the gap between the titanium baskets 36 to be steered, and then the product to be electroplated passes through the gap between the titanium baskets 36 to reach the fourth roller 34, and then the product to be electroplated sequentially enters the first liquid storage tank 21 and the second liquid storage tank 31 in the next group, and the product to be electroplated is cooled in the coating of the electrolyte or the cleaning liquid through the arrangement of the first liquid storage tank 21 and the second liquid storage tank 31 in an interval arrangement mode, the first spraying mechanism 27 and the second spraying mechanism 37 are arranged on all sections of the film-passing section away from the liquid level, and the cleaning liquid and the electrolyte are respectively sprayed, so that the product to be electroplated can be cooled in the whole process, the temperature reduction of the product to be electroplated is realized, the flow resistance of the product to be electroplated is improved, and the occurrence of film burnthrough or even film breaking is reduced.

After the surface of the electroplated product is plated with metal, the electroplated product is wound by the winding mechanism 4.

Based on the technical scheme of the embodiment of the invention, after the film leaves the liquid level from the plating solution tank outlet, the film enters the cleaning solution of the spraying tank through a certain path, and then enters the next plating solution tank after leaving the cleaning solution of the spraying tank, so that the layout of plating solution tank-spraying tank-plating solution tank at intervals is formed. And spraying pipes are designed in all sections away from the liquid level on the whole film-moving path, and are used for respectively spraying corresponding liquid, so that the surface of the film is always coated with the plating solution or the cleaning liquid film for cooling, thereby realizing the cooling of the film and improving the flow resistance of the film.

In the description of the present invention, it should be noted that the terms "upper, lower, inner and outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The terms "mounted, connected and connected" in the present invention are to be understood broadly, unless otherwise explicitly specified or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides an electroplating system for two-sided coating film which characterized in that: the device comprises an unwinding mechanism (1), a plurality of cleaning and electroplating devices and a winding mechanism (4) which are arranged in sequence, wherein each cleaning and electroplating device comprises a cleaning mechanism (2) and an electroplating mechanism (3);

the cleaning mechanism (2) comprises: the device comprises a first liquid storage tank (21), a first roller (22), a second roller (23), a first conductive roller (24) and a second conductive roller (25);

cleaning liquid is stored in the first liquid storage tank (21);

first cross roller (22), second cross roller (23) first conductive roller (24) with second conductive roller (25) all rotate to be connected in first liquid reserve tank (21), just first conductive roller (24) with second conductive roller (25) submergence is below the liquid level of washing liquid, the vertical mounting height that roller (23) was crossed to the second is higher than first cross roller (22), first conductive roller (24) and second conductive roller (25) vertical mounting height that corresponds respectively, roller (23) is crossed to the second is in above the liquid level of washing liquid.

2. An electroplating system for double-sided coating according to claim 1, characterized in that: the first liquid storage tank (21) comprises a first tank body (211) and a second tank body (212), and cleaning liquid is stored in the first tank body (211) and the second tank body (212);

the first roller (22) is rotatably connected in the first groove body (211), and the second roller (23), the first conductive roller (24) and the second conductive roller (25) are rotatably connected in the second groove body (212).

3. An electroplating system for double-sided coating according to claim 2, characterized in that: the cleaning mechanism (2) further comprises a third roller (26) which is rotatably connected in the second groove body (212), and the positions of the first conductive roller (24) and the second conductive roller (25) are positioned between the second roller (23) and the third roller (26); the first roller (22), the second roller (23), the first conductive roller (24), the second conductive roller (25) and the third roller (26) are parallel.

4. An electroplating system for double-sided coating according to claim 2 or 3, characterized in that: the plating mechanism (3) includes: a second liquid storage tank (31), a tension roller (32), a turning roller (33), a fourth roller (34), a fifth roller (35) and titanium blue (36);

electrolyte is stored in the second liquid storage tank (31);

the tension roller (32) is arranged above the front end of the second liquid storage tank (31);

the steering roller (33) is rotatably connected to the inner part of the second liquid storage tank (31) close to the middle position of the bottom;

the fourth roller (34) and the fifth roller (35) are both arranged above the rear end of the second liquid storage tank (31), and the fourth roller (34) and the fifth roller (35) are oppositely arranged;

a plurality of titanium baskets (36) which are uniformly arranged are vertically arranged in the second liquid storage tank (31), and a plurality of metal copper balls are arranged in the titanium baskets (36).

5. An electroplating system for double-sided coating according to claim 4, characterized in that: the tension roller (32), the steering roller (33) and the fourth roller (34) are arranged to form a V-shaped included angle.

6. An electroplating system for double-sided coating according to claim 5, characterized in that: first liquid reserve tank (21) still includes baffle (213), baffle (213) fixed connection be in first liquid reserve tank (21), will first liquid reserve tank (21) are separated into first cell body (211) with second cell body (212), the bottom fixedly connected with bleeder tube (2112) of first cell body (211), just be provided with solenoid valve (2114) on bleeder tube (2112).

7. An electroplating system for double-sided coating according to claim 4, characterized in that: the first tank (21) further comprises: the first spraying mechanism (27) and the roller wiping mechanism (28) are oppositely arranged, and are respectively arranged above and below the front end of the first roller (22), above and below the front end of the second roller (23), below the front end of the tension roller (32) and below the rear end of the fourth roller (34);

the first spraying mechanism (27) sprays cleaning liquid, the wiping roller mechanism (28) is arranged above the first conductive roller (24) and below the second conductive roller (25), and a cutter head of the wiping roller mechanism (28) is tightly attached to the first conductive roller (24) and the second conductive roller (25).

8. An electroplating system for double-sided coating according to claim 4, characterized in that: electroplating mechanism (3) still include the second and spray mechanism (37), second sprays mechanism (37) and is relative setting, sets up respectively the rear end below of tension roller (32) and the front end below of fourth roller (34), what second sprayed mechanism (37) sprayed is electrolyte.

9. An electroplating system for double-sided coating according to claim 4, characterized in that: electroplating mechanism (3) still include first guide plate (38), second guide plate (39) and connecting piece (40), the front end fixed connection of first guide plate (38) is in the rear end of first liquid reserve tank (21), the rear end fixed connection of second guide plate (39) is in the front end of second liquid reserve tank (31), just the bottom front end fixed connection of connecting piece (40) is in the rear end of first guide plate (38), the bottom rear end fixed connection of connecting piece (40) is in the front end of second guide plate (39).

10. An electroplating system for double-sided coating according to claim 1, characterized in that: the first conductive roller (24) and the second conductive roller (25) are provided with a plurality of sections of insulating parts, both ends of the first conductive roller (24) and the second conductive roller (25) are provided with conductive parts, and the middle part of the first conductive roller and the second conductive roller is provided with an insulating part.