Electroplating device with new low-speed rotating current connector

Abstract

The utility model discloses an electroplating device with a novel low-speed rotating current connector. The electroplating device comprises: an electroplating tank, a plurality of electroplating rollers located in the electroplating tank, and a plurality of rotating current connectors located outside the electroplating tank; two rows of spring sheets of the elastic electrode sheets of the rotating current connector are in line contact with and fit to the inner walls of the plurality of circular grooves of the collector ring, and the elastic electrode sheets are detachably connected to the first copper bar through a threaded connector; the conductive shaft of the electroplating roller is connected to the axial connecting hole of the collector ring; the product enters and exits the electroplating liquid of the electroplating tank from the inlet and outlet, and moves on the electroplating roller rotating in a circle, the DC power supply is started, the second copper bar outside the electroplating tank is electrically connected to the electroplating liquid, and the rotating current connector connected to the first copper bar is electrically connected to the electroplating roller, and the electroplating operation of the product is completed. The utility model has the effects of eliminating the connection wires, facilitating disassembly, having a long service life, stable operation of the equipment, and high production efficiency.

Description

Technical Field

[0001] The utility model relates to the field of rotating current connection, in particular to an electroplating device with a novel low-speed rotating current connector. Background Art

[0002] At present, in industrial production, such as in horizontal chain wet chemical electroplating devices, there is a need for electrical conduction between fixed cables and rotating shafts. Currently, mercury rotary joints are usually used to connect the power supply and the rotating shaft to play a conductive role. Its defects are: first, due to the influence of the surrounding production environment, the equipment contains acidic and alkaline gases, and crystals are generated in many places in the conductive rotation of the rotary joint, so that the rotary joint does not rotate smoothly and cannot operate normally. The service life of the mercury joint is short, and the replacement cost is high, resulting in high equipment maintenance costs; second, the mercury joint is frequently replaced, which reduces the stability of the equipment and has low production efficiency. Utility Model Content

[0003] In order to solve one or more of the above problems, the utility model provides an electroplating device with a novel low-speed rotating current connector.

[0004] According to one aspect of the utility model, the electroplating device with a novel low-speed rotating current connector comprises: an electroplating tank, a plurality of electroplating rollers located in the electroplating tank, and a plurality of rotating current connectors located outside the electroplating tank;

[0005] The rotating current connector includes a collector ring and an elastic electrode sheet. The collector ring is provided with an axial connection hole at the center and a plurality of annular grooves are arranged at equal intervals on its outer peripheral wall. The elastic electrode sheet includes a lower body with an opening at the upper end. Two rows of spring sheets arranged at equal intervals are symmetrically arranged on both sides of the upper end of the lower body. The two rows of spring sheets are elastically opened and the symmetry lines are in contact with and fit to connect the inner walls of the plurality of annular grooves. The lower end of the lower body is detachably connected to the first copper bar through a threaded connector.

[0006] A plurality of electroplating drums are rotatably connected to two transverse wall plates in the electroplating tank, and the conductive shafts of the electroplating drums extend out of the transverse slot plates of the electroplating tank and are fixedly connected to the axial connection holes of the collector rings;

[0007] The electroplating tank is a box plate structure with a flowing electroplating liquid inside the tank. The second copper bar is connected to the tank plate of the electroplating tank. The left and right longitudinal tank plates of the electroplating tank are respectively provided with an inlet and an outlet. The first copper bar and the second copper bar are respectively connected to the positive and negative electrodes of an external DC power supply.

[0008] The product enters and exits the plating liquid of the plating tank from the inlet and outlet, and moves on the circularly rotating plating drum. The DC power supply is started, the second copper busbar is electrically connected to the plating liquid, and the rotating current connector connected to the first copper busbar is electrically connected to the circularly rotating plating drum to complete the electroplating operation of the product.

[0009] In some embodiments, a plurality of protruding radial annular partitions are longitudinally and evenly spaced on the circumferential wall of the collector ring, and annular grooves are formed between adjacent partitions;

[0010] The annular groove and the spring sheet are gap connected.

[0011] In some embodiments, the axial connection hole of the collector ring is provided with an upper positioning rotary cut surface, the extended section of the conductive shaft is provided with a lower positioning rotary cut surface, the conductive shaft and the axial connection hole have the same contour size and both are interference connected.

[0012] In some embodiments, the lower connecting end of the spring piece is an inclined plate extending from the outer side of the lower end to the inner side of the upper end, and the upper connecting end of the spring piece is an inclined plate extending from the inner side of the lower end to the outer side of the upper end;

[0013] The gap holes between adjacent spring sheets and the partition plate are clearance-matched.

[0014] In some embodiments, the lower connecting body is in a longitudinal C-shaped structure, and the threaded connector passes through the first through hole of the lower connecting body to connect to the threaded hole of the first copper busbar.

[0015] In some embodiments, the threaded connector includes a matching hexagon socket head screw, a spring washer and a flat washer, the spring washer fits the nut of the hexagon socket head screw, and the flat washer fits the lower plate;

[0016] Or the collector ring is a copper ring; or the elastic electrode sheet is a copper sheet;

[0017] In some embodiments, each row of spring sheets is composed of 2 to 6 groups, and the width of the spring sheets is 1-5 mm.

[0018] In some embodiments, the electroplating drum includes a cylinder body made of stainless steel, one end of the cylinder body is fixedly connected to the conductive shaft through a bushing and the other end is fixedly connected to the power end shaft through a bushing, the power end shaft and the conductive shaft are connected to the equally spaced bearing holes of the transverse wall panel through bearings, and the power end shaft is connected to the driving power source through a transmission system.

[0019] In some embodiments, the transverse slot plate at the front end of the electroplating tank is provided with a plurality of rectangular second through holes, each of which is provided with a sealing plate.

[0020] A sealing cover is arranged outside each rotating current connector, the first copper bar and the second copper bar.

[0021] In some embodiments, a plurality of detachable upper cover plates are provided at the upper end of the electroplating tank and a plurality of electrolyte inlet and outlet ports are provided on the transverse tank plate.

[0022] The electroplating device with the novel low-speed rotating current connector has the following beneficial effects: first, the novel rotating current connector mode through the rotating connecting wire has a simple structure and low cost, and can replace the expensive rotating joint to reduce the cost of the equipment; second, the novel rotating current connector mode only relies on the contact point during the rotating contact, and the collector ring and the elastic electrode sheet are elastically connected and can be directly separated. Compared with the rotating joint, the connecting wire is eliminated, which is more convenient for disassembly, reduces the maintenance cost, and has a long service life, stable equipment operation and high production efficiency; third, the novel rotating current connector is an elastic interference fit of two symmetrical rows of multiple spring sheets and annular grooves, which can not only maintain good rotating contact and conductive contact, but also facilitate and quickly assemble and disassemble, and the processing only requires bending and punching to form, and the production cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional schematic diagram of an electroplating device with a novel low-speed rotating current connector according to an embodiment of the utility model;

[0024] Figure 2 for Figure 1 A three-dimensional schematic diagram of an electroplating device with a novel low-speed rotating current connector with the sealing cover and the upper cover removed;

[0025] Figure 3 for Figure 2 A three-dimensional schematic diagram of the electroplating drum and the rotating current connector shown;

[0026] Figure 4 for Figure 3 A three-dimensional schematic diagram of the slip ring shown;

[0027] Figure 5 for Figure 3 A three-dimensional schematic diagram of the elastic electrode sheet shown;

[0028] Rotating current connector 01, collector ring 1, partition 100, axial connection hole 101, annular groove 102, upper positioning rotary cut surface 103, elastic electrode sheet 2, spring sheet 20, lower connecting end 201, upper connecting end 202, gap hole 203, lower connecting body 21, first through hole 211, threaded connector 3, hexagon socket head screw 31, spring washer 32, flat washer 33, first copper bar 4, second copper bar 5, sealing cover 6;

[0029] Electroplating drum 02, conductive shaft 021, cylinder body 022, shaft sleeve 023, power end shaft 024;

[0030] Electroplating tank 03, horizontal wall plate 030, horizontal slot plate 031, longitudinal slot plate 032, inlet and outlet 0321, sealing plate 033, upper cover plate 034, inlet and outlet port 035;

[0031] DC power supply 04, positive plate 041, negative plate 042. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below in conjunction with the accompanying drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0033] Figures 1 to 5 The electroplating device with a novel low-speed rotating current connector according to an embodiment of the utility model is schematically shown. As shown in the figure, the electroplating device with a novel low-speed rotating current connector comprises: an electroplating tank 03, a plurality of electroplating rollers 02 located in the electroplating tank 03, and a plurality of rotating current connectors 01 located outside the electroplating tank 03;

[0034] The rotating current connector 01 includes a collector ring 1 and an elastic electrode sheet 2. The collector ring 1 is provided with an axial connection hole 101 in the center and a plurality of annular grooves 102 are arranged at equal intervals on its outer peripheral wall. Preferably, a plurality of protruding radial annular partitions 100 are arranged at equal intervals longitudinally on the circumferential wall of the collector ring 1, and annular grooves 102 are formed between adjacent partitions 100, and the annular grooves 102 and the elastic sheet 20 are gap-connected. The collector ring 1 can preferably be a copper ring.

[0035] The elastic electrode sheet 2 includes a lower body 21 with an opening at the upper end, and two rows of spring sheets 20 are symmetrically arranged at equal intervals on both sides of the upper end of the lower body 21. Preferably, each row of spring sheets 20 is 2 to 6 groups, and the width of the spring sheets 20 is 1-5mm. The spring sheets 20 have good conductive contact and can produce the required current. The two rows of spring sheets 20 are elastically opened and the symmetry line contacts and fits the inner walls of several annular grooves 102. The lower end of the lower body 21 is detachably connected to the first copper bar 4 through a threaded connector 3. The elastic electrode sheet 2 can preferably be a copper sheet.

[0036] A plurality of electroplating rollers 02 are rotatably connected to two transverse wall plates 030 in the electroplating tank 03. The conductive shaft 021 of the electroplating roller 02 extends out of the transverse slot plate 031 of the electroplating tank 03 and is fixedly connected to the axial connection hole 101 of the collector ring 1.

[0037] The electroplating tank 03 is a box plate structure and has a flowing electroplating solution inside the tank. The second copper bar 5 is connected to the tank plate of the electroplating tank 03. The left and right longitudinal tank plates 032 of the electroplating tank 03 are respectively provided with an inlet and outlet 0321. The first copper bar 4 and the second copper bar 5 are respectively connected to the positive and negative electrodes of the external DC power supply 04.

[0038] The product enters and exits the plating liquid of the plating tank 03 from the inlet and outlet 0321, and moves on the circularly rotating plating drum 02. The DC power supply 04 is started, the second copper bus 5 is electrically connected to the plating liquid, and the rotating current connector 01 connected to the first copper bus 4 is electrically connected to the circularly rotating plating drum 02 to complete the electroplating operation of the product.

[0039] The electroplating device with a new type of low-speed rotating current connector adopts a new type of rotating current connector 01. First, the elastic electrode sheet 2 is fixed to the conductive first copper bar 4 through a threaded connector 3, and then the collector ring 1 is installed on the connecting conductive shaft 021. The conductive shaft 021 is connected to the electroplating roller 02. The collector ring 1 and the elastic electrode sheet 2 are connected and conductive by rotating contact. The beneficial effects are as follows: first, the new rotating current connector 01 method using a rotating connecting wire has a simple structure and low cost, which can replace expensive rotating joints and reduce the cost of equipment; second, the new rotating current connector 01 method only relies on the contact point during rotational contact, and the collector ring 1 and the elastic electrode sheet 2 are elastically connected and can be directly separated. Compared with the rotating joint, the connecting wires are eliminated, which is easier to disassemble and reduces the maintenance cost. In addition, the service life is long, the equipment runs stably, and the production efficiency is high; third, the new rotating current connector 01 is an elastic interference fit of two symmetrical rows of multiple spring sheets 20 and annular grooves 102, which can not only maintain good rotating contact and conductive contact, but also facilitate and quickly assemble and disassemble, and the processing only requires bending and punching to form, and the production cost is low.

[0040] Preferably, an upper positioning rotary cut surface 103 is provided in the axial connection hole 101 of the collector ring 1, and a corresponding lower positioning rotary cut surface is provided in the extended section of the conductive shaft 021. The conductive shaft 021 and the axial connection hole 101 have the same outline size and are interference-connected. The beneficial effect is that the structure is easy to assemble and disassemble, has good fixing and positioning performance, and is easy to maintain.

[0041] Preferably, the lower connecting end 201 of the spring sheet 20 is an inclined plate extending from the outer side of the lower end to the inner side of the upper end, and the upper connecting end 202 of the spring sheet 20 is an inclined plate extending from the inner side of the lower end to the outer side of the upper end, and the width between the two spring sheets 20 is larger at the two ends and smaller in the middle;

[0042] The gap holes 203 between adjacent spring sheets 20 and the partition plate 100 are clearance-matched. The beneficial effect is that the spring sheets 20 have good elasticity and are easy to install.

[0043] Preferably, the lower body 21 is a longitudinal C-shaped opening structure, and the lower plate of the lower body 21 is provided with at least two first through holes 211, and the threaded connector 3 passes through the first through holes 211 to connect the threaded holes of the first copper bar 4 below. Preferably, the threaded connector 3 includes a matching hexagon socket head screw 31, a spring washer 32 and a flat washer 33, the spring washer 32 fits the nut of the hexagon socket head screw 31, and the flat washer 33 fits the lower plate. The beneficial effect is that the arrangement is easy to install and the connection is tight.

[0044] Furthermore, the electroplating drum 02 includes a cylindrical body 022 of a stainless steel material with a hollow ring structure inside, one end of the cylindrical body 022 is fixedly connected to the conductive shaft 021 through a sleeve 023 and the other end is fixedly connected to the power end shaft 024 through the sleeve 023, the power end shaft 024 and the conductive shaft 021 are connected to the equally spaced bearing holes of the transverse wall plate 030 through bearings, and the power end shaft 024 is connected to the driving power source through a transmission system. The beneficial effect is that the structure can achieve good conductive electroplating performance.

[0045] Preferably, the transverse slot plate 031 at the front end of the electroplating tank 03 is provided with a plurality of rectangular second through holes, each of which is provided with a sealing plate 033.

[0046] Each rotary current connector 01, the first copper bar 4 and the second copper bar 5 is provided with a sealing cover 6. The beneficial effect is that the sealing cover 6 can protect the internal parts and increase the service life of the equipment.

[0047] Preferably, a plurality of detachable upper cover plates 034 are provided at the upper end of the electroplating tank 03 and a plurality of electrolyte inlet and outlet ports 035 are provided at the transverse tank plate 031 .

[0048] Preferably, the DC power supply 04 is located above the electroplating tank 03, the positive plate 041 of the DC power supply 04 is vertically connected to the first copper bar 4 at the lower end; the negative plate 042 of the DC power supply 04 is vertically connected to the second copper bar 5 at the lower end;

[0049] The first copper busbar 4 is connected to the lower wall plate of the sealing cover 6 through a plurality of copper pads, and the second copper busbar 5 is connected in front of the transverse slot plate 031 through a plurality of copper pads.

[0050] A sealing side plate is provided on the middle hole of the longitudinal slot plate 032, and an inlet and outlet 0321 of a longitudinal rectangular through hole is provided in the middle of the sealing side plate. The beneficial effect is that the arrangement can prevent the internal electrolyte from overflowing and achieve a good sealing installation at the same time.

[0051] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. An electroplating device having a novel low-speed rotating current connector, characterized in that: It comprises: an electroplating tank (03), a plurality of electroplating rollers (02) located in the electroplating tank (03), and a plurality of rotating current connectors (01) located outside the electroplating tank (03); The rotary current connector (01) comprises a collector ring (1) and an elastic electrode sheet (2), wherein an axial connection hole (101) is provided at the center of the collector ring (1) and a plurality of annular grooves (102) are arranged at equal intervals on its outer peripheral wall, wherein the elastic electrode sheet (2) comprises a lower body (21) with an open upper end, wherein two rows of spring sheets (20) arranged at equal intervals are symmetrically arranged on both sides of the upper end of the lower body (21), wherein the two rows of spring sheets (20) are elastically opened and the symmetry lines are in contact with and fit to the inner walls of the plurality of annular grooves (102), and the lower end of the lower body (21) is detachably connected to the first copper bar (4) via a threaded connector (3); A plurality of the electroplating rollers (02) are rotatably connected to two transverse wall plates (030) in the electroplating tank (03); the conductive shafts (021) of the electroplating rollers (02) extend out of the transverse slot plates (031) of the electroplating tank (03) and are fixedly connected to the axial connection holes (101) of the collector rings (1); The electroplating tank (03) is a box plate structure and has a flowing electroplating liquid inside the tank. The second copper bar (5) is connected to the tank plate of the electroplating tank (03). The left and right longitudinal tank plates (032) of the electroplating tank (03) are respectively provided with an inlet and outlet (0321). The first copper bar (4) and the second copper bar (5) are respectively connected to the positive and negative electrodes of an external DC power supply (04); The product enters and exits the plating liquid of the plating tank (03) through the inlet and outlet (0321) and moves on the circularly rotating plating drum (02). The DC power supply (04) is started, the second copper bus (5) is electrically connected to the plating liquid, and the rotating current connector (01) connected to the first copper bus (4) is electrically connected to the circularly rotating plating drum (02), thereby completing the electroplating operation of the product.

2. The electroplating device with a novel low-speed rotating current connector according to claim 1 is characterized in that: A plurality of protruding radial annular partitions (100) are longitudinally arranged at equal intervals on the circumferential wall of the collector ring (1), and annular grooves (102) are formed between adjacent partitions (100); The annular groove (102) and the spring sheet (20) are gap-connected.

3. The electroplating device with a novel low-speed rotating current connector according to claim 2 is characterized in that: The axial connection hole (101) of the collector ring (1) is provided with an upper positioning rotary cut surface (103), the extended section of the conductive shaft (021) is provided with a lower positioning rotary cut surface, the conductive shaft (021) and the axial connection hole (101) have the same outline dimensions and are interference-connected.

4. The electroplating device with a novel low-speed rotating current connector according to claim 2, characterized in that: The lower connecting end (201) of the spring sheet (20) is an inclined plate extending from the outside of the lower end to the inside of the upper end, and the upper connecting end (202) of the spring sheet (20) is an inclined plate extending from the inside of the lower end to the outside of the upper end; The gap holes (203) between adjacent elastic sheets (20) and the partition plate (100) are clearance-matched.

5. The electroplating device with a novel low-speed rotating current connector according to claim 4 is characterized in that: The lower connecting body (21) is in a longitudinal C-shaped structure, and the threaded connecting piece (3) passes through the first through hole (211) of the lower connecting body (21) to connect to the threaded hole of the first copper busbar (4).

6. The electroplating device with a novel low-speed rotating current connector according to claim 5, characterized in that: The threaded connection member (3) comprises a matching hexagon socket head screw (31), a spring washer (32) and a flat washer (33), wherein the spring washer (32) fits the nut of the hexagon socket head screw (31), and the flat washer (33) fits the lower plate; Or the collector ring (1) is a copper ring; or the elastic electrode sheet (2) is a copper sheet.

7. The electroplating device with a novel low-speed rotating current connector according to any one of claims 1 to 6, characterized in that: Each row of the spring sheets (20) comprises 2 to 6 groups, and the width of the spring sheets (20) is 1 to 5 mm.

8. The electroplating device with a novel low-speed rotating current connector according to claim 1, characterized in that: The electroplating drum (02) comprises a cylinder (022) made of stainless steel, one end of the cylinder (022) is fixedly connected to the conductive shaft (021) via a shaft sleeve (023), and the other end is fixedly connected to the power end shaft (024) via a shaft sleeve (023), the power end shaft (024) and the conductive shaft (021) are connected to the equally spaced bearing holes of the transverse wall panel (030) via bearings, and the power end shaft (024) is connected to a driving power source via a transmission system.

9. The electroplating device with a novel low-speed rotating current connector according to claim 1, characterized in that: The transverse slot plate (031) at the front end of the electroplating tank (03) is provided with a plurality of rectangular second through holes, each of which is provided with a sealing plate (033). Each of the rotating current connectors (01), the first copper busbar (4) and the second copper busbar (5) is provided with a sealing cover (6) on the outside.

10. The electroplating device with a novel low-speed rotating current connector according to claim 1, characterized in that: The upper end of the electroplating tank (03) is provided with a plurality of detachable upper cover plates (034), and the transverse tank plate (031) is provided with a plurality of electrolyte inlet and outlet ports (035).

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