Electroplating bath capable of realizing uniform electroplating

Abstract

The utility model relates to the technical field of electroplating baths, in particular to an electroplating bath with uniform electroplating, which comprises an electroplating bath body, a screw cap, a placing frame, a motor, a belt pulley and a stirring rod, the screw cap is arranged on the electroplating bath body in a threaded manner, the placing frame is fixedly connected onto the electroplating bath body, and the motor is mounted on the electroplating bath body. A belt pulley is mounted on an output shaft of the motor; and two stirring rods are rotationally arranged in the electroplating bath body. A motor is started, an output shaft of the motor drives three belt wheels and a flat belt to rotate, so that two stirring rods rotate, then an electroplating solution can be stirred, the concentration of metal ions at a cathode is prevented from being reduced, and it is guaranteed that a workpiece is electroplated evenly; and therefore, bubbles generated during stirring can be prevented from being adhered to the workpieces, non-uniform electroplating and unplated areas are avoided, and the quality of the electroplated workpieces is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to electroplating tank technical field especially relates to an electroplating tank of even electroplating. BACKGROUND

[0002] Electroplating tank is the container for containing electrolyte solution in electroplating process. In the electroplating process, the workpiece to be plated as cathode, anode is usually by the metal to be plated on the composition, two while immersed in the electrolyte solution in the electroplating tank, and pass through direct current. Under the action of current, the metal ion in the electroplating solution will be deposited on the cathode and deposited to form a uniform, firm adhesion metal layer, so as to realize the deposition or covering of metal.

[0003] The patent with the authorization announcement number CN217869164U discloses an electroplating tank. It includes a tank body with an open upper end, a stirring device arranged in the tank body, the stirring device including two rotating air pipes and a main stem air pipe, the main stem air pipe having a shaft pipe connected to the middle part, one end of each of the two rotating air pipes being connected to two ends of the main stem air pipe, a support seat arranged at the bottom of the tank body, a communication pipe arranged at the upper end of the support seat, one end of the shaft pipe being movably connected to one end of the communication pipe and the shaft pipe being rotatable relative to the communication pipe, the other end of the communication pipe being connected to an air inlet pipe, and the rotating air pipes being provided with a plurality of air nozzles or air holes. When electroplating is performed using the patent, the workpiece is placed in the tank body, and then the main stem air pipe and the shaft pipe are rotated relative to the communication pipe by the two rotating air pipes to stir the electroplating solution. However, the two rotating air pipes in the above-mentioned existing patent will rotate and exhaust, which will generate a large number of air bubbles in the electroplating solution and contact the workpiece, resulting in defects such as pinholes and bubble marks on the surface of the plated workpiece, affecting the quality and flatness of the plated layer.

[0004] Therefore, it is necessary to provide an electroplating tank with even electroplating, which stirs the electroplating solution by means of a motor and a stirring rod and the like components, avoids the reduction of the concentration of metal ions at the cathode, and can avoid the workpiece from being contaminated by the air bubbles generated during stirring by means of an electric push rod and a storage bin and the like components, thereby ensuring even electroplating. SUMMARY

[0005] In order to overcome the shortcomings of the two rotating air pipes in the above-mentioned existing patent, which will rotate and exhaust, generating a large number of air bubbles in the electroplating solution and contacting the workpiece, resulting in defects such as pinholes and bubble marks on the surface of the plated workpiece, affecting the quality and flatness of the plated layer, the utility model provides an electroplating tank with even electroplating, which stirs the electroplating solution by means of a motor and a stirring rod and the like components, avoids the reduction of the concentration of metal ions at the cathode, and can avoid the workpiece from being contaminated by the air bubbles generated during stirring by means of an electric push rod and a storage bin and the like components, thereby ensuring even electroplating.

[0006] To achieve the above problems, the utility model discloses the following technical schemes: a plating tank that plating is even, including plating tank body, screw cover and placing frame, the screw cover is arranged on plating tank body, plating tank body is fixedly connected with placing frame, still including motor, belt pulley, flat belt, stirring rod, placing bin, guide rod and electric push rod no.

[0007] Further, still including controller, temperature sensor and heating rod, the controller is installed on plating tank body front part, temperature sensor is installed in plating tank body, two heating rods are installed in plating tank body, two heating rods are located below placing bin, and the controller is electrically connected with temperature sensor and heating rod.

[0008] Further, still including electric push rod no. 2, connecting ring and lifting plate, the electric push rod no. 2 is installed on plating tank body, the connecting ring is installed on the telescopic rod of electric push rod no. 2, and the lifting plate is slidably arranged on the connecting ring, and the lifting plate is located in placing bin.

[0009] Further, still including protective shell, the protective shell is fixedly connected in plating tank body, two stirring rods pass through the protective shell, and three belt pulleys and a flat belt are located in the protective shell.

[0010] Further, still including warning sign, the warning sign is fixedly connected on plating tank body.

[0011] Further, still including prompt light, the prompt light is installed on placing frame.

[0012] Compared with the prior art, the utility model has the following technical effects: 1, through the start motor, the output shaft of motor drives three belt pulleys and a flat belt rotation, makes two stirring rods rotate, and then can stir plating solution, avoids the concentration of metal ions at cathode to reduce, guarantees the workpiece plating even, and through the extension and shortening of the telescopic rod of electric push rod no. 1, to drive placing bin and the workpiece in it left and right movement, avoid the bubble produced in the stirring process to adhere to the workpiece surface, avoid the appearance uneven plating and uncoated area, guarantee the quality of workpiece after plating.

[0013] 2, through the temperature sensor temperature sensing element solution temperature change, and into a digital signal sent to the controller, so that the controller accurately control the temperature of the heating rod, thereby avoiding overheating or insufficient temperature, so that the metal ions can be more evenly deposited on the workpiece surface.

[0014] 3, by starting the electric push rod two, the telescopic rod of electric push rod two elongation drive connecting ring and lifting plate upward, so as to be able to lift the workpiece from the surface of the electroplating solution, realizes the effect of automatic discharge, so as to avoid the possibility of human contact with the electroplating solution, reduces the risk of scald, chemical burn or electric shock. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic view of the utility model.

[0016] Figure 2 It is the three-dimensional sectional view of the electric box, the storage bin and the guide rod of the utility model.

[0017] Figure 3 It is the three-dimensional sectional view of the electric push rod two, the connecting ring and the lifting plate of the utility model.

[0018] Figure 4 It is the three-dimensional sectional view of the electroplating tank body, the electric push rod two and the connecting ring of the utility model.

[0019] Figure 5 It is the three-dimensional sectional view of the motor, the belt pulley and the flat belt of the utility model.

[0020] Figure 6 It is the three-dimensional structure schematic view of the motor, the belt pulley and the stirring rod of the utility model.

[0021] Figure 7 It is the three-dimensional sectional view of the controller, the temperature sensor and the heating rod of the utility model.

[0022] In the above drawing: 1, electroplating tank body, 2, screw cover, 4, storage frame, 5, storage bin, 501, guide rod, 6, electric push rod one, 7, motor, 8, belt pulley, 9, flat belt, 10, stirring rod, 11, controller, 12, temperature sensor, 13, heating rod, 14, protective shell, 15, electric push rod two, 16, connecting ring, 17, lifting plate, 18, warning sign, 19, prompt light. DETAILED DESCRIPTION

[0023] With reference to the drawings in the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.

[0024] Embodiment 1: a plating tank with uniform plating, as shown in Figures 1-7 As shown in the figure, it comprises a plating tank body 1, a screw cap 2 and a placing frame 4, the screw cap 2 is arranged on the right front side of the plating tank body 1, the placing frame 4 is arranged on the top rear side of the plating tank body 1 by welding, further comprising a motor 7, a belt pulley 8, a flat belt 9, a stirring rod 10, a placing bin 5, a guide rod 501 and an electric push rod 1 6, the motor 7 is installed on the right part of the plating tank body 1 by bolt connection, the output shaft of the motor 7 is installed with the belt pulley 8, the stirring rod 10 is arranged in the plating tank body 1 by rotation in the lower part of the front and rear symmetry, the right end of the two stirring rods 10 is fixedly connected with the belt pulley 8, the flat belt 9 is wound on the three belt pulleys 8, the electric push rod 1 6 is installed on the left side of the plating tank body 1 by bolt connection, the placing bin 5 is installed on the telescopic rod of the electric push rod 1 6, the placing bin 5 is located in the plating tank body 1, the guide rod 501 is fixedly connected on the upper part of the plating tank body 1 by front and rear symmetry, the placing bin 5 slides on the two guide rods 501.

[0025] As shown in the figure, it further comprises a protective shell 14, the protective shell 14 is fixedly connected on the right side in the plating tank body 1, the two stirring rods 10 penetrate through the protective shell 14, the three belt pulleys 8 and the flat belt 9 are located in the protective shell 14. Figure 5 As shown in the figure, it further comprises a warning sign 18, the warning sign 18 is fixedly connected on the left side of the top of the plating tank body 1.

[0026] Figure 1 As shown in the figure, it further comprises a warning sign 18, the warning sign 18 is fixedly connected on the left side of the top of the plating tank body 1.

[0027] As shown in the figure, it further comprises a warning sign 18, the warning sign 18 is fixedly connected on the left side of the top of the plating tank body 1. Figure 1 As shown in the figure, it further comprises a warning sign 18, the warning sign 18 is fixedly connected on the left side of the top of the plating tank body 1.

[0028] ​When the workpiece needs to be electroplated, first place the placing frame 4 in the electric box, then connect the workpiece to be electroplated to the negative electrode and the electroplated metal to the positive electrode, then place the electroplated metal and the workpiece in the placing bin 5, pour the corresponding electroplating solution, and then start the electric box to conduct electricity, so that the electroplated metal is dissolved into ions in the solution, the ions obtain electrons at the cathode and deposit on the workpiece to form a plating layer; when electroplating, the motor 7 is started, the output shaft of the motor 7 drives a belt pulley 8 on it to rotate, the rotation of the belt pulley 8 drives the flat belt 9 to rotate, the flat belt 9 squeezes the two belt pulleys 8 on the stirring rod 10 to rotate, so that the two stirring rods 10 rotate, thereby stirring the electroplating solution, avoiding the decrease of the concentration of metal ions at the cathode, ensuring uniform electroplating of the workpiece, and the protective shell 14 protects the three belt pulleys 8 and the flat belt 9 from corrosion by the electroplating solution; at the same time of stirring, the extension and retraction of the telescopic rod of the electric push rod 6 is started to drive the placing bin 5 and the workpiece in it to move left and right, avoiding bubbles generated during stirring from adhering to the surface of the workpiece, avoiding uneven electroplating and uncoated areas, ensuring the quality of the workpiece after electroplating, and the prompt lamp 19 can prompt the staff whether the electroplating tank body 1 is in use, and the warning sign 18 can warn the staff to approach the working electroplating tank body 1; when the electroplating solution needs to be replaced, the twist cap 2 is rotated to be separated from the electroplating tank body 1, so that the twist cap 2 is separated from the electroplating tank body 1, and the electroplating solution can be discharged, and after the discharge is completed, the twist cap 2 is twisted back to the original position.

[0029] Example 2: Based on example 1, refer to Figure 1 and Figure 7 It also includes a controller 11, a temperature sensor 12 and a heating rod 13, the controller 11 is installed at the front of the electroplating tank body 1 by bolt connection, the temperature sensor 12 is installed at the rear of the middle of the electroplating tank body 1 by bolt connection, the model is a stainless steel straight pipe packaging DS18B20 digital temperature sensor 12, the heating rod 13 is installed symmetrically on the left and right of the bottom of the electroplating tank body 1, the model is a stainless steel U-shaped heating tube, the two heating rods 13 are located below the placing bin 5, and the controller 11 is electrically connected with the temperature sensor 12 and the heating rod 13.

[0030] When electroplating, the heating rod 13 heats the electroplating solution, electricity is converted into heat energy by the resistance wire of the heating rod 13, and then quickly transferred to the stainless steel pipe wall to heat the electroplating solution, the temperature sensor 12 senses the change of the solution temperature and converts it into a digital signal to send to the controller 11, so that the controller 11 accurately controls the temperature of the heating rod 13, thereby avoiding overheating or insufficient temperature, so that the metal ions can be more uniformly deposited on the surface of the workpiece, and when electroplating is not needed, the heating rod 13 can be turned off.

[0031] Refer toFigure 3 and Figure 4 As shown in FIG. 1, the electroplating tank body 1 is provided with an electric push rod 2, a connecting ring 3 and a lifting plate 4, the electric push rod 2 is installed in the middle of the electroplating tank body 1 through screw connection, the connecting ring 3 is installed on the telescopic rod of the electric push rod 2, and the lifting plate 4 is slidably arranged on the connecting ring 3.

[0032] When the electroplating is completed, the electric push rod 2 is started, the telescopic rod of the electric push rod 2 is elongated to drive the connecting ring 3 and the lifting plate 4 to move upwards, so that the workpiece can be lifted away from the surface of the electroplating solution, the automatic discharging effect is realized, the possibility of contacting the electroplating solution by human is avoided, and the risk of scalding, chemical burns or electric shock is reduced.

[0033] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An electroplating tank with uniform electroplating, comprising an electroplating tank body (1), a screw cap (2) and a placing frame (4), the screw cap (2) is threadedly arranged on the electroplating tank body (1), and the placing frame (4) is fixedly connected to the electroplating tank body (1), characterized in that: It also includes motor (7), pulley (8), flat belt (9), stirring rod (10), placing bin (5), guide rod (501) and electric push rod one (6), the motor (7) is installed on the electroplating tank body (1), the output shaft of motor (7) is installed with pulley (8), two stirring rods (10) are rotatably arranged in the electroplating tank body (1), two stirring rods (10) are fixedly connected with pulley (8), three pulleys (8) are wound with flat belt (9), the electroplating tank body (1) is installed with electric push rod one (6), the telescopic rod of electric push rod one (6) is installed with placing bin (5), placing bin (5) is located in the electroplating tank body (1), the electroplating tank body (1) is fixedly connected with two guide rods (501), and placing bin (5) slides on the two guide rods (501). ​ 2. The plating cell of uniform plating according to claim 1, characterized by: It also includes controller (11), temperature sensor (12) and heating rod (13), the controller (11) is installed on the front of electroplating tank body (1), the temperature sensor (12) is installed in the electroplating tank body (1), two heating rods (13) are installed in the electroplating tank body (1), two heating rods (13) are located below placing bin (5), and the controller (11) is electrically connected with temperature sensor (12) and heating rod (13).

3. The plating cell of uniform plating according to claim 2, characterized by: It also includes electric push rod two (15), connecting ring (16) and lifting plate (17), the electroplating tank body (1) is installed with electric push rod two (15), the telescopic rod of electric push rod two (15) is installed with connecting ring (16), the connecting ring (16) is slidably provided with lifting plate (17), and the lifting plate (17) is located in placing bin (5).

4. The plating cell of uniform plating according to claim 3, wherein: It also includes protective shell (14), the electroplating tank body (1) is fixedly connected with protective shell (14), two stirring rods (10) penetrate protective shell (14), three pulleys (8) and one flat belt (9) are located in protective shell (14).

5. The uniform electroplating cell of claim 4 wherein: It also includes warning sign (18), the electroplating tank body (1) is fixedly connected with warning sign (18).

6. An electroplating cell providing uniform plating according to claim 5, characterized in that: It also includes prompt light (19), and the placing frame (4) is installed with prompt light (19). It also includes warning sign (18), the electroplating tank body (1) is fixedly connected with warning sign (18). It also includes prompt light (19), and the placing frame (4) is installed with prompt light (19). It also includes prompt light (19), and the placing frame (4) is installed with prompt light (19).

Images