Metal wire tinning equipment and process

Abstract

The present invention relates to the field of electroplating, and in particular to a metal wire tinning equipment and process, comprising a slot seat and an electroplating tank fixedly mounted on the upper end of the slot seat, a movable seat slidably mounted on the upper end of the electroplating tank, a driving shaft rotatably mounted inside the movable seat, a cam coaxially inlaid on the front end of the driving shaft, a guide seat elastically mounted in front of the movable seat, a top wheel mounted on the upper end of the guide seat, the top wheel fits with the cam, two mesh cylinders are connected to the lower end of the guide seat, the two mesh cylinders are vertically arranged, the mesh cylinders extend into the interior of the electroplating tank, and agitators are installed inside the two mesh cylinders. The present invention improves the quality of the coating and ensures that the activated carbon can fully adsorb and remove organic impurities in the electroplating solution.

Description

Technical Field

[0001] The invention relates to the field of electroplating, and in particular to a metal wire tinning device and process. Background Art

[0002] Electroplating is a process that uses the principle of electrolysis to plate a thin layer of other metals or alloys on certain metal or non-metal surfaces. This process uses electrolysis to attach a layer of metal film to the surface of metal or other material parts, thereby preventing metal oxidation, improving wear resistance, conductivity, reflectivity, corrosion resistance, and enhancing aesthetics.

[0003] When tinning metal wires, the plating solution is often mixed with a large amount of organic impurities due to factors such as the decomposition of electroplating additives or contamination during the electroplating operation. These impurities will affect the adhesion and uniformity of the coating, resulting in poor quality of the coating after tinning. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a metal wire tinning equipment and process.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is: a metal wire tinning equipment, including a slot seat and an electroplating tank fixedly installed on the upper end of the slot seat, a movable seat is slidably installed on the upper end of the electroplating tank, a drive shaft is rotatably installed inside the movable seat, a cam is coaxially inlaid on the front end of the drive shaft, a guide seat is elastically installed in front of the movable seat, a top wheel is installed on the upper end of the guide seat, the top wheel is fitted with the cam, and two mesh cylinders are connected to the lower end of the guide seat, the two mesh cylinders are vertically arranged, the mesh cylinders extend into the interior of the electroplating tank, and agitators are installed inside the two mesh cylinders.

[0006] Preferably, a sliding sleeve is fixedly installed at the lower end of the movable seat, two guide rods are slidably installed inside the sliding sleeve, a fixing frame is fixedly installed at the end of the guide rod, the end of the fixing frame is fixed to the electroplating tank, and a movable gear is coaxially inlaid on the rear part of the outer surface of the driving shaft, a long tooth plate is meshed at the lower part of the movable gear, and the long tooth plate is fixed to the fixing frame.

[0007] Preferably, a motor frame is fixedly mounted on the upper end of the movable seat, a servo motor is fixedly mounted on the end of the motor frame, the output end of the servo motor is fixed to the rear end of the driving shaft, a T-shaped guide block is slidably mounted inside the guide seat, the end of the T-shaped guide block extends from the inside of the guide seat, an extension frame is inlaid on the end of the T-shaped guide block, and the end of the extension frame is fixed to the movable seat.

[0008] Preferably, an L-shaped frame is fixedly installed on the upper end of the extending frame, a limiting rod is slidably installed through the end of the L-shaped frame, the lower end of the limiting rod is fixed to the guide seat, the upper end of the limiting rod is coaxially inlaid with an anti-drop cap, the anti-drop cap fits the upper end of the L-shaped frame, a compression spring is wound around the outer side of the limiting rod, one end of the compression spring is fixed to the guide seat, and the other end of the compression spring is fixed to the L-shaped frame.

[0009] Preferably, a connecting ear extends from the lower edge of the side of the guide seat, a connecting frame is fitted on the outer surface of the connecting ear, a fixing bolt is passed through the upper end of the connecting ear and the upper end of the connecting frame and is tightened, a cylinder seat is fixedly installed at one end of the connecting frame, the mesh cylinder is penetrated and embedded in the interior of the cylinder seat, and a cylinder cover is screwed on one end of the mesh cylinder.

[0010] Preferably, the stirring member includes two stirring shafts coaxially arranged inside two mesh cylinders, a plurality of stirring blades are arranged in a circular array on the outer surface of the stirring shaft, the end of the stirring shaft passes through the other end of the mesh cylinder, the stirring shaft rotates in cooperation with the mesh cylinder, and a No. 2 synchronous belt is connected between the ends of the two stirring shafts.

[0011] Preferably, the outer cover of the No. 2 synchronous belt is provided with a lower belt shell, the stirring shaft passes through the interior of the lower belt shell, the stirring shaft and the lower belt shell are rotatably matched, the lower belt shell is fixed to the cylinder seat, and the other end of the connecting frame is fixedly installed with an upper belt shell, and a gear shaft is rotatably installed on the upper interior of the upper belt shell, the gear shaft passes through the end of the upper belt shell, and a No. 1 synchronous belt is connected between the gear shaft and the upper stirring shaft, and the No. 1 synchronous belt is located inside the upper belt shell.

[0012] Preferably, a rotating gear is coaxially inlaid on the end of the gear shaft, a short tooth plate is meshed on the side of the rotating gear, a plate frame is fixedly installed in the middle of the short tooth plate, and the end of the plate frame is fixed to the moving seat.

[0013] A metal wire tinning process is also provided, comprising the following steps:

[0014] S1: The servo motor drives the screen cylinder to move left and right in the electroplating tank. During this process, the screen cylinder will continue to shake up and down, and the stirring blades will continue to rotate in the screen cylinder, so that the plating solution in the electroplating tank and the activated carbon in the screen cylinder can fully contact, so that the organic impurities in the plating solution can be adsorbed and removed by the activated carbon;

[0015] S2: The metal wire to be plated and the tin ingot are then immersed in the plating solution in the plating tank;

[0016] S3: Then, a certain voltage is applied with the metal wire as cathode and the tin block as anode. Under the anode, the tin continuously loses electrons under the action of electrolysis and forms free divalent tin ions, which are free in the electroplating solution. Under the action of electrolysis, the divalent tin ions regain electrons and are deposited on the metal wire to form a coating.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The rotating drive shaft can drive the moving gear to roll on the long tooth plate, thereby driving the mesh cylinder to move horizontally in the plating solution in the plating tank. At this time, the sliding sleeve slides on the guide rod to guide the mesh cylinder, allowing the plating solution to enter the mesh cylinder and contact the activated carbon in the mesh cylinder, so as to remove organic impurities in the plating solution through adsorption by the activated carbon, avoid affecting the adhesion and uniformity of the coating, and thus improve the quality of the coating.

[0019] 2. When the net cylinder is moving horizontally, the driving shaft will also drive the cam to rotate to continuously push the top wheel, so that the guide seat can slide on the T-shaped guide block, thereby driving the horizontally moving net cylinder to swing up and down continuously, so that the activated carbon in the net cylinder can fully contact with the electroplating liquid in various places in the electroplating tank. At the same time, when the guide seat drives the net cylinder to swing up and down, it will also synchronously drive the rotating gear to roll on the short tooth plate, thereby driving the gear shaft to rotate, and the gear shaft drives the stirring blades on the stirring shaft to rotate through the No. 1 synchronous belt and the No. 2 synchronous belt to stir the electroplating liquid and activated carbon entering the net cylinder, so that the two are further fully contacted, thereby ensuring that the activated carbon can fully adsorb and remove organic impurities in the electroplating liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a metal wire tinning device of the present invention;

[0021] Figure 2 A schematic diagram of a servo motor of a metal wire tinning device according to the present invention;

[0022] Figure 3 A metal wire tinning device according to the present invention Figure 2 A magnified view of middle;

[0023] Figure 4 It is a schematic diagram of a guide seat of a metal wire tinning device of the present invention;

[0024] Figure 5 It is an internal view of a lower belt shell and an upper belt shell of a metal wire tinning device of the present invention;

[0025] Figure 6 The figure is an internal view of a mesh cylinder of a metal wire tinning device according to the present invention.

[0026] In the figure: 1. slot seat; 2. electroplating tank; 3. fixing frame; 4. guide rod; 5. long tooth plate; 6. servo motor; 7. sliding sleeve; 8. moving seat; 9. driving shaft; 10. plate frame; 11. guide seat; 12. L-shaped frame; 13. compression spring; 14. limiting rod; 15. anti-drop cap; 16. top wheel; 17. moving gear; 18. motor frame; 19. cam; 20. rotating gear; 21. gear shaft; 22. short tooth plate; 23. connecting frame; 24. fixing bolt; 25. cylinder seat; 26. net cylinder; 27. stirring shaft; 28. No. 1 synchronous belt; 29. ​​lower belt shell; 30. No. 2 synchronous belt; 31. upper belt shell; 32. connecting ear; 33. extending frame; 34. T-shaped guide block; 35. cylinder cover; 36. stirring blade. DETAILED DESCRIPTION

[0027] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0028] like Figure 1-Figure 6 The metal wire tinning equipment shown comprises a slot seat 1 and an electroplating tank 2 fixedly mounted on the upper end of the slot seat 1. The slot seat 1 serves to support the electroplating tank 2, and the electroplating tank 2 can load the electroplating solution. During use, the metal wire to be plated and the tin ingot are immersed in the electroplating solution in the electroplating tank 2, and then a certain voltage is applied with the metal wire as the cathode and the tin block as the anode. Under the anode, the tin continuously loses electrons under the action of electrolysis and forms free divalent tin ions, which are free in the electroplating solution. Under the action of electrolysis, the divalent tin ions regain electrons and are deposited on the metal wire to form a coating. Since the above-mentioned tin plating operation is a prior art and has been widely used, it is not described in detail here. In detail, a moving seat 8 is slidably installed on the upper end of the electroplating tank 2, and a driving shaft 9 is rotatably installed inside the moving seat 8. A cam 19 is coaxially inlaid on the front end of the driving shaft 9, and the driving shaft 9 drives the cam 19 to rotate. A guide seat 11 is elastically installed in front of the moving seat 8, and a top wheel 16 is installed on the upper end of the guide seat 11. The top wheel 16 fits with the cam 19, and the cam 19 can push the top wheel 16 to enable the guide seat 11 to move up and down. Two mesh cylinders 26 are connected to the lower end of the guide seat 11, and the two mesh cylinders 26 are vertically arranged. The mesh cylinder 26 plays a role of loading activated carbon. The mesh cylinder 26 extends into the interior of the electroplating tank 2, and agitators are installed inside the two mesh cylinders 26.

[0029] A sliding sleeve 7 is fixedly installed at the lower end of the moving seat 8, and two guide rods 4 are slidably installed inside the sliding sleeve 7. The sliding sleeve 7 and the guide rods 4 serve to guide the moving seat 8. A fixing frame 3 is fixedly installed at the end of the guide rod 4. The end of the fixing frame 3 is fixed to the electroplating tank 2, and the fixing frame 3 serves to fix the guide rod 4. A moving gear 17 is coaxially inlaid on the rear part of the outer surface of the driving shaft 9, and a long tooth plate 5 is meshed at the lower part of the moving gear 17. The cooperation between the moving gear 17 and the long tooth plate 5 allows the net tube 26 to move horizontally, and the long tooth plate 5 is fixed to the fixing frame 3.

[0030] A motor frame 18 is fixedly installed on the upper end of the movable seat 8, and a servo motor 6 is fixedly installed on the end of the motor frame 18. The motor frame 18 serves to fix the servo motor 6. The output end of the servo motor 6 is fixed to the rear end of the driving shaft 9. A T-shaped guide block 34 is slidably installed inside the guide seat 11. The end of the T-shaped guide block 34 extends from the inside of the guide seat 11. The T-shaped guide block 34 serves to guide the guide seat 11. An extension frame 33 is inlaid at the end of the T-shaped guide block 34. The extension frame 33 serves to fix the T-shaped guide block 34. The end of the extension frame 33 is fixed to the movable seat 8.

[0031] An L-shaped frame 12 is fixedly installed on the upper end of the extension frame 33, and a limiting rod 14 is slidably installed through the end of the L-shaped frame 12. The L-shaped frame 12 plays a role in supporting the limiting rod 14, and the lower end of the limiting rod 14 is fixed to the guide seat 11, and the upper end of the limiting rod 14 is coaxially inlaid with an anti-slip cap 15. The anti-slip cap 15 plays a role in preventing the limiting rod 14 and the L-shaped frame 12 from separating. The anti-slip cap 15 fits on the upper end of the L-shaped frame 12, and a compression spring 13 is wrapped around the outer side of the limiting rod 14. The limiting rod 14 plays a role in preventing the compression spring 13 from bending. One end of the compression spring 13 is fixed to the guide seat 11, and the other end of the compression spring 13 is fixed to the L-shaped frame 12. The compression spring 13 keeps the top wheel 16 and the cam 19 in contact at all times.

[0032] A connecting ear 32 extends from the lower edge of the side of the guide seat 11, and a connecting frame 23 is fitted on the outer surface of the connecting ear 32. The connecting ear 32 serves to insert the connecting frame 23 on the guide seat 11. The upper end of the connecting ear 32 and the upper end of the connecting frame 23 are penetrated and tightened with fixing bolts 24. By loosening the fixing bolts 24, the connecting frame 23 can be removed from the connecting ear 32, and then the mesh tube 26 can be removed from the electroplating tank 2, so that subsequent tinning will not be hindered. A cylinder seat 25 is fixedly installed at one end of the connecting frame 23, and the mesh tube 26 is penetrated and embedded in the interior of the cylinder seat 25. The cylinder seat 25 serves to connect the mesh tube 26. A cylinder cover 35 is tightened at one end of the mesh tube 26. By opening the cylinder cover 35, the activated carbon in the mesh tube 26 can be replaced.

[0033] The stirring member includes two stirring shafts 27 coaxially arranged inside the two mesh cylinders 26. A plurality of stirring blades 36 are arranged in a ring array on the outer surface of the stirring shaft 27. The stirring shaft 27 drives the stirring blades 36 to rotate. The end of the stirring shaft 27 passes through the other end of the mesh cylinder 26. The stirring blades 36 stir the activated carbon and the electroplating solution in the mesh cylinder 26. The stirring shaft 27 rotates in coordination with the mesh cylinder 26. A No. 2 synchronous belt 30 is connected between the ends of the two stirring shafts 27. The No. 2 synchronous belt 30 allows the two stirring shafts 27 to rotate synchronously.

[0034] The outer side cover of the No. 2 synchronous belt 30 is provided with a lower belt shell 29, and the lower belt shell 29 plays the role of covering and protecting the stirring shaft 27. The stirring shaft 27 passes through the interior of the lower belt shell 29, and the stirring shaft 27 and the lower belt shell 29 are rotatably matched. The lower belt shell 29 is fixed to the cylinder seat 25. The other end of the connecting frame 23 is fixedly installed with an upper belt shell 31. The gear shaft 21 is rotatably installed on the upper upper part of the upper belt shell 31. The gear shaft 21 passes through the end of the upper belt shell 31, and the gear shaft 21 plays the role of supporting the rotating gear 20. A No. 1 synchronous belt 28 is connected between the gear shaft 21 and the upper stirring shaft 27. The No. 1 synchronous belt 28 is located in the interior of the upper belt shell 31, and the upper belt shell 31 plays the role of covering and protecting the No. 1 synchronous belt 28.

[0035] A rotating gear 20 is coaxially inlaid on the end of the gear shaft 21, and a short tooth plate 22 is meshed on the side of the rotating gear 20. The short tooth plate 22 and the rotating gear 20 allow the gear shaft 21 to rotate. A plate frame 10 is fixedly installed in the middle of the short tooth plate 22. The plate frame 10 serves to fix the short tooth plate 22, and the end of the plate frame 10 is fixed to the moving seat 8.

[0036] A metal wire tinning process is also provided, comprising the following steps:

[0037] S1: The servo motor 6 drives the net cylinder 26 to move left and right in the electroplating tank 2. During this process, the net cylinder 26 will continue to shake up and down, and the stirring blade 36 will continue to rotate in the net cylinder 26, so that the plating solution in the electroplating tank 2 and the activated carbon in the net cylinder 26 can fully contact, so that the organic impurities in the plating solution are adsorbed and removed by the activated carbon;

[0038] S2: then immersing the metal wire to be plated and the tin ingot in the electroplating solution in the electroplating tank 2;

[0039] S3: Then, a certain voltage is applied with the metal wire as cathode and the tin block as anode. Under the anode, the tin continuously loses electrons under the action of electrolysis and forms free divalent tin ions, which are free in the electroplating solution. Under the action of electrolysis, the divalent tin ions regain electrons and are deposited on the metal wire to form a coating.

[0040] When in use, the servo motor 6 works to drive the drive shaft 9 to rotate, and the rotating drive shaft 9 drives the moving gear 17 to roll on the long tooth plate 5, thereby driving the mesh cylinder 26 to move horizontally in the plating solution in the plating tank 2. At this time, the sliding sleeve 7 slides on the guide rod 4 to guide the mesh cylinder 26, so that the plating solution can enter the mesh cylinder 26 and contact the activated carbon in the mesh cylinder 26. In this process, the drive shaft 9 will also drive the cam 19 to rotate to continuously push the top wheel 16, so that the guide seat 11 can slide on the T-shaped guide block 34, thereby driving the horizontally moving mesh cylinder 26 to continuously swing up and down, so that the activated carbon in the mesh cylinder 26 can It is in full contact with the plating liquid at various places in the plating tank 2. At the same time, when the guide seat 11 drives the mesh cylinder 26 to swing up and down, it will also synchronously drive the rotating gear 20 to roll on the short tooth plate 22, thereby driving the gear shaft 21 to rotate, and the gear shaft 21 drives the stirring blade 36 on the stirring shaft 27 to rotate through the No. 1 synchronous belt 28 and the No. 2 synchronous belt 30 to stir the plating liquid and activated carbon entering the mesh cylinder 26, so that the two are further fully contacted, so that the organic impurities mixed in the plating liquid can be removed by adsorption of the activated carbon, and then the metal wire to be plated and the tin ingot can be immersed in the plating liquid in the plating tank 2, and power is turned on to make the tin adhere to the surface of the metal wire to form a plating layer.

[0041] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A metal wire tinning device, comprising a slot seat (1) and a plating tank (2) fixedly mounted on the upper end of the slot seat (1), characterized in that: A movable seat (8) is slidably mounted on the upper end of the electroplating tank (2), a driving shaft (9) is rotatably mounted inside the movable seat (8), a cam (19) is coaxially inlaid on the front end of the driving shaft (9), a guide seat (11) is elastically mounted in front of the movable seat (8), a top wheel (16) is mounted on the upper end of the guide seat (11), the top wheel (16) is fitted with the cam (19), and two mesh cylinders (26) are connected to the lower end of the guide seat (11), the two mesh cylinders (26) are vertically arranged, and the mesh cylinders (26) extend into the interior of the electroplating tank (2), and the two mesh cylinders (26) extend into the interior of the electroplating tank (2). A stirring member is installed inside the net cylinder (26), a sliding sleeve (7) is fixedly installed at the lower end of the movable seat (8), two guide rods (4) are slidably installed inside the sliding sleeve (7), a fixed frame (3) is fixedly installed at the end of the guide rod (4), and the end of the fixed frame (3) is fixed to the electroplating tank (2), a movable gear (17) is coaxially embedded at the rear of the outer surface of the driving shaft (9), a long tooth plate (5) is meshed at the lower part of the movable gear (17), and the long tooth plate (5) is fixed to the fixed frame (3), and the inside of the net cylinder (26) is filled with activated carbon.

2. A metal wire tinning equipment according to claim 1, characterized in that: A motor frame (18) is fixedly mounted on the upper end of the movable seat (8), a servo motor (6) is fixedly mounted on the end of the motor frame (18), an output end of the servo motor (6) is fixed to the rear end of the drive shaft (9), a T-shaped guide block (34) is slidably mounted inside the guide seat (11), an end of the T-shaped guide block (34) protrudes from the inside of the guide seat (11), an extension frame (33) is embedded in the end of the T-shaped guide block (34), and the end of the extension frame (33) is fixed to the movable seat (8).

3. A metal wire tinning equipment according to claim 2, characterized in that: An L-shaped frame (12) is fixedly mounted on the upper end of the extending frame (33); a limiting rod (14) is slidably mounted through the end of the L-shaped frame (12); the lower end of the limiting rod (14) is fixed to the guide seat (11); an anti-drop cap (15) is coaxially inlaid on the upper end of the limiting rod (14); the anti-drop cap (15) is fitted to the upper end of the L-shaped frame (12); a compression spring (13) is wound around the outer side of the limiting rod (14); one end of the compression spring (13) is fixed to the guide seat (11); and the other end of the compression spring (13) is fixed to the L-shaped frame (12).

4. A metal wire tinning equipment according to claim 3, characterized in that: A connecting ear (32) extends from the lower edge of the side surface of the guide seat (11); a connecting frame (23) is fitted on the outer surface of the connecting ear (32); a fixing bolt (24) penetrates and is screwed through the upper end of the connecting ear (32) and the upper end of the connecting frame (23); a cylinder seat (25) is fixedly mounted on one end of the connecting frame (23); the net cylinder (26) penetrates and is embedded in the interior of the cylinder seat (25); and a cylinder cover (35) is screwed on one end of the net cylinder (26).

5. A metal wire tinning device according to claim 4, characterized in that: The stirring member comprises two stirring shafts (27) coaxially arranged inside two net cylinders (26); a plurality of stirring blades (36) are arranged in an annular array on the outer surface of the stirring shaft (27); the end of the stirring shaft (27) passes through the other end of the net cylinder (26); the stirring shaft (27) and the net cylinder (26) are rotatably matched; and a second synchronous belt (30) is connected between the ends of the two stirring shafts (27).

6. A metal wire tinning equipment according to claim 5, characterized in that: The outer cover of the second synchronous belt (30) is provided with a lower belt shell (29), the stirring shaft (27) passes through the interior of the lower belt shell (29), the stirring shaft (27) and the lower belt shell (29) are rotatably matched, the lower belt shell (29) is fixed to the cylinder seat (25), the other end of the connecting frame (23) is fixedly installed with an upper belt shell (31), the upper part of the interior of the upper belt shell (31) is rotatably installed with a gear shaft (21), the gear shaft (21) passes through the end of the upper belt shell (31), and the first synchronous belt (28) is connected between the gear shaft (21) and the upper stirring shaft (27), and the first synchronous belt (28) is located inside the upper belt shell (31).

7. A metal wire tinning equipment according to claim 6, characterized in that: A rotating gear (20) is coaxially inlaid on the end of the gear shaft (21), a short tooth plate (22) is meshed on the side of the rotating gear (20), a plate frame (10) is fixedly mounted in the middle of the short tooth plate (22), and the end of the plate frame (10) is fixed to the moving seat (8).

8. A metal wire tinning process, used in a metal wire tinning device as claimed in claim 7, characterized in that: The following steps are involved: S1: The servo motor (6) drives the net cylinder (26) to move left and right in the electroplating tank (2). During this process, the net cylinder (26) will continue to shake up and down, and the stirring blade (36) will continue to rotate in the net cylinder (26), so that the plating solution in the electroplating tank (2) and the activated carbon in the net cylinder (26) can fully contact each other, so that organic impurities in the plating solution are adsorbed and removed by the activated carbon; S2: The metal wire to be plated and the tin ingot are then immersed in the plating solution in the plating tank (2); S3: Then, a certain voltage is applied with the metal wire as cathode and the tin block as anode. Under the anode, the tin continuously loses electrons under the action of electrolysis and forms free divalent tin ions, which are free in the electroplating solution. Under the action of electrolysis, the divalent tin ions regain electrons and are deposited on the metal wire to form a coating.

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