A tank cover of a plating tank and an electroplating production line

Abstract

The present invention relates to the technical field of electroplating production lines, and discloses a tank cover of a plating tank and an electroplating production line. The tank cover of the plating tank includes a first support plate, a second support plate, a main shaft, a secondary shaft, a driving member and a rolling curtain. The first support plate and the second support plate are oppositely arranged on both sides of the opening end of the plating tank along its length direction. Both ends of the main shaft are rotatably arranged on the first side of the first support plate and the second support plate along the width direction of the plating tank. Both ends of the secondary shaft are rotatably arranged on the second side of the first support plate and the second support plate along the width direction of the plating tank. The main shaft is in transmission connection with the secondary shaft, and their rotation directions are opposite. The driving member is in transmission connection with the main shaft. The fixed ends of the two rolling curtains are respectively wound around the main shaft and the secondary shaft. When the main shaft and the secondary shaft rotate synchronously, the free ends of the two rolling curtains abut against or move away from each other, so as to block or open the opening end of the plating tank. The tank cover of the plating tank adopts a split design, with flexible opening and closing, and improves the opening and closing efficiency.

Description

Technical Field

[0001] The present invention belongs to the technical field of electroplating production lines, and particularly relates to a tank cover of a plating tank and an electroplating production line. Background Art

[0002] The plating tank is an important part of the electroplating production line, mainly used for containing plating solution and conducting electroplating operations. Since some of the plating solutions in the plating tank are toxic and volatile, a tank cover needs to be provided to seal the plating tank to ensure the safety and environmental protection requirements of on-site electroplating operations.

[0003] At present, the tank cover of the plating tank is of an integral design, with a bulky structure and can only be opened and closed integrally, resulting in low opening and closing efficiency, and being difficult for initial assembly and subsequent maintenance. At the same time, the existing tank cover has insufficient automation, and manual intervention is required for mechanical opening and closing, further reducing the opening and closing efficiency of the tank cover and being not conducive to improving the overall efficiency of the electroplating production line.

[0004] Therefore, a tank cover of a plating tank and an electroplating production line are needed to solve the above problems. Summary of the Invention

[0005] One object of the present invention is to provide a tank cover of a plating tank to improve the opening and closing efficiency of the tank cover, reduce manual participation, and improve the automation degree of the opening and closing of the tank cover.

[0006] Another object of the present invention is to provide an electroplating production line to improve the opening and closing efficiency of the tank cover, reduce manual participation, and improve the automation degree of the opening and closing of the tank cover.

[0007] To achieve this purpose, the technical solution adopted by the present invention is as follows:

[0008] A tank cover of a plating tank, comprising:

[0009] A first support plate and a second support plate, oppositely arranged on both sides of the opening end of the plating tank along its length direction;

[0010] A main shaft, both ends of which are rotatably arranged on the first side along the width direction of the plating tank on the first support plate and the second support plate;

[0011] An auxiliary shaft, both ends of which are rotatably arranged on the second side along the width direction of the plating tank on the first support plate and the second support plate; the main shaft is in transmission connection with the auxiliary shaft, and their rotation directions are opposite;

[0012] A driving member, in transmission connection with the main shaft; and

[0013] Rolling curtains, the fixed ends of the two rolling curtains are respectively wound around the main shaft and the auxiliary shaft; when the main shaft and the auxiliary shaft rotate synchronously, the free ends of the two rolling curtains can abut against each other, so that the two rolling curtains are spliced together to block the open end of the plating tank; or, the free ends of the two rolling curtains are far away from each other to open the open end of the plating tank.

[0014] Further, the tank cover of the plating tank further includes:

[0015] An intermediate rotating shaft, rotatably arranged on the second support plate, and a driven gear and a driving pulley are arranged on the intermediate rotating shaft along its axial direction;

[0016] The shaft end of the main shaft extending out of the second support plate is provided with a driving gear, and the driving gear is meshed and connected with the driven gear; the shaft end of the auxiliary shaft extending out of the second support plate is provided with a driven pulley, and the driving pulley and the driven pulley are connected by a conveyor belt.

[0017] Further, the tank cover of the plating tank further includes:

[0018] A first pulley assembly, including a first driving roller, a first driven roller and a first connecting belt; the first driving rollers are fixedly arranged at both ends of the main shaft, the first driven rollers are rotatably arranged at both ends of the auxiliary shaft, and the rotation directions of the auxiliary shaft and the first driven roller are opposite; the first driving roller and the corresponding first driven roller are connected by the first connecting belt;

[0019] A sliding rod, one end of the sliding rod is connected to both sides of the free end of the rolling curtain along the length direction of the plating tank, and the other ends of the two sliding rods on the same side along the length direction of the plating tank on the two rolling curtains are respectively connected to the upper section and the lower section of the corresponding first connecting belt.

[0020] Further, the first pulley assembly further includes:

[0021] Bearings, and the first driven roller is sleeved on the auxiliary shaft through the corresponding bearings.

[0022] Further, the tank cover of the plating tank further includes:

[0023] A second pulley assembly, including a second driving roller, a second driven roller and a second connecting belt; the second driving rollers are arranged at both ends of the main shaft and the auxiliary shaft, the second driven rollers are rotatably arranged on both sides of the first support plate and the second support plate along the width direction of the plating tank, the second driving rollers and the second driven rollers are in one-to-one correspondence, one end of the second connecting belt is sequentially wound around the corresponding second driving roller and the second driven roller, and the other end of the second connecting belt is connected to the corresponding rolling curtain.

[0024] Further, the tank cover of the plating tank further includes:

[0025] Sealing plates, which are provided on both the first side and the second side of the open end of the plating tank to block the gap between the open end of the plating tank and the rolling curtain.

[0026] Further, the tank cover of the plating tank further includes:

[0027] Ventilation pipelines, which are arranged on the corresponding sealing plates and are communicated with the plating tank.

[0028] Further, the sealing plate includes a connected vertical plate and a horizontal plate. The vertical plate is arranged on the first side or the second side of the open end of the plating tank, and the horizontal plate is located above the corresponding rolling curtain.

[0029] Further, the rolling curtain is assembled by plastic curtain sheets or metal curtain sheets.

[0030] An electroplating production line includes the tank cover of the plating tank as described above.

[0031] The beneficial effects of the present invention are as follows:

[0032] For the tank cover of the plating tank proposed by the present invention, the fixed ends of the two rolling curtains are respectively wound around the main shaft and the auxiliary shaft. The main shaft and the auxiliary shaft are connected by transmission, and their rotation directions are opposite. When the driving member drives the main shaft to rotate forward, the auxiliary shaft rotates synchronously in the opposite direction, and the two rolling curtains are gradually unrolled until the free ends of the two rolling curtains abut against each other, so that the two rolling curtains are laid flat together to jointly block the open end of the plating tank. When the driving member drives the main shaft to rotate in the reverse direction, the auxiliary shaft rotates synchronously in the forward direction, and the free ends of the two rolling curtains move away from each other, so that the two rolling curtains are gradually rolled up, thereby opening the open end of the plating tank. The tank cover of the plating tank of the present invention adopts a split design through two rolling curtains, with a simple structure, which is convenient for installation and maintenance. Since the two rolling curtains are unrolled or rolled up synchronously, they are flexible in opening and closing, reducing the opening and closing time and manual intervention, improving the opening and closing efficiency, and thus improving the electroplating efficiency.

[0033] The electroplating production line proposed by the present invention includes the tank cover of the plating tank as described above, adopts a split design through two rolling curtains, with a simple structure, which is convenient for installation and maintenance. Since the two rolling curtains are unrolled or rolled up synchronously, they are flexible in opening and closing, reducing the opening and closing time and manual intervention, improving the opening and closing efficiency, and thus improving the electroplating efficiency. Description of the Drawings

[0034] Figure 1 is the structural schematic diagram of the tank cover of the plating tank provided by the embodiment of the present invention Figure 1 ;

[0035] Figure 2 is Figure 1 the partial enlarged view at A in

[0036] Figure 3 It is a schematic structure diagram of the tank cover of the plating tank provided by the embodiment of the present invention. Figure 2 ;

[0037] Figure 4 is Figure 3 the partial enlarged view at B in

[0038] Figure 5 It is a schematic structure diagram of the tank cover of the plating tank with some curtain sheets removed provided by the embodiment of the present invention;

[0039] Figure 6 is Figure 5 the partial enlarged view at C in

[0040] The names and reference numerals of the components in the figure are as follows:

[0041] 10. Plating tank;

[0042] 11. First support plate; 12. Second support plate;

[0043] 2. Main shaft; 20. First connecting belt; 21. Driving gear; 22. First driving roller; 23. Second driving roller;

[0044] 3. Auxiliary shaft; 30. Second connecting belt; 31. Driven pulley; 32. First driven roller; 33. Second driven roller;

[0045] 4. Driving member; 5. Rolling curtain;

[0046] 6. Intermediate rotating shaft; 60. Conveyor belt; 61. Driven gear; 62. Driving pulley;

[0047] 7. Slide bar; 8. Sealing plate; 81. Vertical plate; 82. Horizontal plate; 9. Ventilation pipeline. Detailed implementation manners

[0048] In order to make the technical problems solved by the present invention, the technical solutions adopted and the achieved technical effects clearer, the technical solutions of the present invention will be further described below with reference to the accompanying drawings and through specific implementation manners. It can be understood that the specific embodiments described herein are only used to explain the present invention, rather than limiting the present invention. In addition, it should be noted that for the sake of description, only the parts related to the present invention are shown in the drawings, rather than all of them.

[0049] In the description of the present invention, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] In the present invention, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through additional features between them. Moreover, the first feature being "above", "over", and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "beneath", and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0051] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "right", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0052] The technical solution of the present invention will be further described below in conjunction with the drawings and through specific embodiments.

[0053] Currently, the tank cover of the plating tank in the electroplating production line is of an integral design, with a bulky structure. It can only be opened and closed as a whole, resulting in low opening and closing efficiency, and it is relatively difficult for the initial assembly and subsequent maintenance. At the same time, the current tank cover has insufficient automation and requires manual intervention for mechanical opening and closing, which is not conducive to improving the overall efficiency of the electroplating production line.

[0054] To solve the above problems, as Figures 1-4As shown in the figure, this embodiment also discloses a cover for a plating tank. The cover of the plating tank includes a first support plate 11, a second support plate 12, a main shaft 2, an auxiliary shaft 3, a driving member 4, and a rolling curtain 5. The first support plate 11 and the second support plate 12 are oppositely arranged on both sides of the opening end of the plating tank 10 along its length direction. Both ends of the main shaft 2 are rotatably arranged on the first side of the first support plate 11 and the second support plate 12 along the width direction of the plating tank 10. Both ends of the auxiliary shaft 3 are rotatably arranged on the second side of the first support plate 11 and the second support plate 12 along the width direction of the plating tank 10. The main shaft 2 is in transmission connection with the auxiliary shaft 3, and their rotation directions are opposite. The driving member 4 is in transmission connection with the main shaft 2 to drive the main shaft 2 to rotate forward or backward. The fixed ends of the two rolling curtains 5 are respectively wound around the main shaft 2 and the auxiliary shaft 3.

[0055] When it is necessary to close the cover of the plating tank, when the main shaft 2 and the auxiliary shaft 3 rotate synchronously, the main shaft 2 rotates forward and the auxiliary shaft 3 rotates backward, and the two rolling curtains 5 are simultaneously unreeled until the free ends of the two rolling curtains 5 abut against each other, so that the two rolling curtains 5 are spliced together to form a closed cover of the plating tank, thereby sealing the opening end of the plating tank 10. When it is necessary to open the cover of the plating tank, when the main shaft 2 and the auxiliary shaft 3 rotate synchronously, when the main shaft 2 rotates backward and the auxiliary shaft 3 rotates forward, the two rolling curtains 5 are simultaneously wound up, and the free ends of the two rolling curtains 5 move away from each other until the two rolling curtains 5 are completely wound up and the cover of the plating tank is completely opened.

[0056] In this embodiment, the split design of the cover of the plating tank is realized through the two rolling curtains 5, with a simple structure, which is convenient for installation and maintenance. Since the two rolling curtains 5 are unreeled or wound up synchronously, the opening and closing are flexible, reducing the opening and closing time and improving the opening and closing efficiency, which is beneficial to improving the electroplating efficiency of the plating tank 10.

[0057] It should be noted that the rolling curtain 5 is assembled by plastic curtain sheets or metal curtain sheets, with a low cost and good corrosion resistance.

[0058] Specifically, the first support plate 11 and the second support plate 12 are installed on both sides of the opening end of the plating tank 10 by bolts or welding. The main shaft 2 and the auxiliary shaft 3 are respectively the winding and unwinding shafts for the two rolling curtains 5. When the main shaft 2 and the auxiliary shaft 3 are unreeled, the two rolling curtains 5 are gradually unfolded and spread flat on the opening end of the plating tank 10. When the free ends of the two rolling curtains 5 abut against each other, the opening end of the plating tank 10 can be completely sealed, realizing the closing of the cover of the plating tank. When the main shaft 2 and the auxiliary shaft 3 are wound up, the two rolling curtains 5 are gradually rolled up and respectively wound around the corresponding main shaft 2 or auxiliary shaft 3. When the free ends of the two rolling curtains 5 respectively move to the first side and the second side of the plating tank 10 along its width direction, the opening of the cover of the plating tank is realized.

[0059] The cover of the plating tank in this embodiment further includes a middle rotating shaft 6. The main shaft 2 is in transmission connection with the auxiliary shaft 3 through the middle rotating shaft 6, and the rotation directions of the main shaft 2 and the auxiliary shaft 3 are opposite.

[0060] As Figure 2 and Figure 4 shown, the middle rotating shaft 6 is rotatably arranged on the second support plate 12. A driven gear 61 and a driving pulley 62 are arranged on the middle rotating shaft 6 along its axial direction. A driving gear 21 is arranged at the shaft end of the main shaft 2 extending out of the second support plate 12. The driving gear 21 is meshed and connected with the driven gear 61. A driven pulley 31 is arranged at the shaft end of the auxiliary shaft 3 extending out of the second support plate 12. The driving pulley 62 is connected with the driven pulley 31 through a conveyor belt 60.

[0061] Specifically, the middle rotating shaft 6 is located on one side of the second support plate 12 close to the main shaft 2. The driven gear 61 and the driving pulley 62 on the middle rotating shaft 6 are integrally connected and can rotate synchronously. Through the meshed connection between the driving gear 21 and the driven gear 61, the rotation directions of the main shaft 2 and the middle rotating shaft 6 are opposite. The middle rotating shaft 6 and the auxiliary shaft 3 are connected through the conveyor belt 60, so that the rotation directions of the middle rotating shaft 6 and the auxiliary shaft 3 are the same, and thus the rotation directions of the main shaft 2 and the auxiliary shaft 3 are opposite. Through the belt drive method, the power transmission with a large center distance between the main shaft 2 and the auxiliary shaft 3 can be realized, making the transmission between the main shaft 2 and the auxiliary shaft 3 more stable. Moreover, the belt drive method has the advantages of simple structure, convenient use and maintenance.

[0062] In this embodiment, both of the two rolling curtains 5 slide on the top surfaces of the first support plate 11 and the second support plate 12 to complete the winding and unwinding of the rolling curtains 5. In order to improve the efficiency of the winding and unwinding of the rolling curtains 5, the tank cover of the plating tank further includes a first pulley assembly and a sliding rod 7.

[0063] As Figure 2 and Figure 4 shown, the first pulley assembly includes a first driving roller 22, a first driven roller 32 and a first connecting belt 20. First driving rollers 22 are fixedly arranged at both ends of the main shaft 2. First driven rollers 32 are rotatably arranged at both ends of the auxiliary shaft 3, and the rotation direction of the auxiliary shaft 3 is opposite to that of the first driven roller 32. The first driving roller 22 is connected with the corresponding first driven roller 32 through the first connecting belt 20. The free ends of the rolling curtains 5 are connected with one ends of the sliding rods 7 along both sides in the length direction of the plating tank 10. The other ends of the two sliding rods 7 on the same side in the length direction of the plating tank 10 on the two rolling curtains 5 are respectively connected to the upper section and the lower section of the corresponding first connecting belt 20.

[0064] It should be noted that the first driving roller 22 is sleeved on the main shaft 2 and rotates synchronously with the main shaft 2. The first pulley assembly further includes bearings. The first driven roller 32 is sleeved on the auxiliary shaft 3 through the corresponding bearings, so that the auxiliary shaft 3 only plays a supporting role for the first driven roller 32 and does not affect the rotation direction of the first driven roller 32. The first driving roller 22 drives the first driven roller 32 to rotate through the first connecting belt 20. Therefore, the rotation directions of the first driving roller 22 and the first driven roller 32 are the same.

[0065] The sliding rod 7 of this embodiment is a Z-shaped rod, including a first horizontal section, a vertical section, and a second horizontal section connected in sequence. One end of the first horizontal section is fixedly connected to the free end of the corresponding rolling curtain 5, and the other end of the first horizontal section is connected to the top of the vertical section. One end of the second horizontal section is connected to the upper or lower section of the first connecting belt 20, and the other end of the second horizontal section is connected to the bottom of the vertical section.

[0066] When the first connecting belt 20 is wound around the first driving roller 22 and the first driven roller 32, the first connecting belt 20 can be divided into an upper section and a lower section. When the first driving roller 22 rotates, the moving directions of the upper and lower sections of the first connecting belt 20 are opposite, so that the moving directions of the two sliding rods 7 connected to the upper and lower sections of the first connecting belt 20 are opposite, thereby driving the free ends of the two rolling curtains 5 to approach or move away from each other.

[0067] In this embodiment, the synchronous rotation of the main shaft 2 and the auxiliary shaft 3 can realize the winding and unwinding of the fixed end of the rolling curtain 5. At the same time, when the main shaft 2 rotates, the sliding rod 7 can generate a traction force on the free end of the rolling curtain 5 through the first belt pulley assembly, further improving the efficiency and stability of the winding and unwinding of the rolling curtain 5.

[0068] Specifically, as Figure 2 and Figure 4 shown, there are two first belt pulley assemblies in this embodiment, which are respectively arranged on both sides of the length direction of the plating tank 10. The number of sliding rods 7 corresponds to four. One sliding rod 7 is installed on each side of the length direction of the plating tank 10 at the free end of each rolling curtain 5, so that the force on the free end of the rolling curtain 5 is more balanced, and the position deflection of the rolling curtain 5 during winding and unwinding along the length direction of the plating tank 10 is avoided.

[0069] As Figure 5 and Figure 6 shown, the tank cover of the plating tank further includes a second belt pulley assembly. The second belt pulley assembly includes a second driving roller 23, a second driven roller 33, and a second connecting belt 30. Second driving rollers 23 are arranged at both ends of the main shaft 2 and the auxiliary shaft 3, and second driven rollers 33 are rotatably arranged on both sides of the plating tank 10 along the width direction of the first support plate 11 and the second support plate 12. The second driving rollers 23 and the second driven rollers 33 are in one-to-one correspondence. One end of the second connecting belt 30 is wound around the corresponding second driving roller 23 and second driven roller 33 in sequence, and the other end of the second connecting belt 30 is connected to the corresponding rolling curtain 5.

[0070] Specifically, the second connecting belt 30 is a synchronous belt, the second driving roller 23 and the second driven roller 33 are both synchronous belt pulleys, and one end of the second connecting belt 30 is fixedly wound around the second driving roller 23. A plurality of fixing blocks are installed at intervals on the outer surface of the second connecting belt 30 along its extending direction, and each fixing block is respectively connected to the corresponding curtain sheet on the rolling curtain 5. This enables the main shaft 2 and the auxiliary shaft 3 to complete the winding and unwinding of the rolling curtain 5 through the second pulley assembly.

[0071] After the first support plate 11, the second support plate 12, and the rolling curtain 5 are installed at the opening end of the plating tank 10, there are relatively large gaps between the rolling curtain 5 and the opening end of the plating tank 10 on both the first side and the second side in the width direction of the plating tank 10. To prevent the plating solution in the plating tank 10 from overflowing or the volatilized plating solution from escaping, the tank cover of the plating tank in this embodiment further includes a sealing plate 8 and a ventilation pipeline 9.

[0072] Specifically, sealing plates 8 are provided on both the first side and the second side of the opening end of the plating tank 10 to block the gap between the opening end of the plating tank 10 and the rolling curtain 5, achieving good sealing of the plating tank 10.

[0073] The first support plate 11, the second support plate 12, the rolling curtain 5, and the sealing plate 8 in this embodiment can form good sealing on the outer edge of the opening end of the plating tank 10, improving the overall safety and sealing performance of the plating tank 10.

[0074] The ventilation pipeline 9 in this embodiment is provided on the corresponding sealing plate 8 and is connected to the plating tank 10 to introduce the volatilized plating solution in the plating tank 10 into a specified container, which is beneficial to protecting the surrounding environment and the health of personnel, enabling the electroplating production line to meet higher environmental protection and safety requirements, and realizing the safe production of the electroplating production line.

[0075] As Figure 1 shown, the sealing plate 8 is in an L shape and specifically includes a vertical plate 81 and a horizontal plate 82 connected to each other. The vertical plate 81 is provided on the first side or the second side of the opening end of the plating tank 10, and the horizontal plate 82 is located above the corresponding rolling curtain 5, enabling the two sealing plates 8 to respectively wrap the main shaft 2, the auxiliary shaft 3, and the corresponding part of the rolling curtain 5, playing a good protective role and enabling the tank cover of the plating tank to open and close safely and stably.

[0076] This embodiment also discloses an electroplating production line, which includes the tank cover of the plating tank described above, enabling the plating tank 10 to open and close flexibly, improving the opening and closing efficiency and the electroplating efficiency.

[0077] The above embodiments only illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, there are various changes and modifications to the present invention, and these changes and modifications all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A cover for a plating tank, the plating tank comprising: A first support plate (11) and a second support plate (12), which are oppositely arranged on both sides of the opening end of the plating tank along its length direction; A main shaft (2), both ends of which are rotatably arranged on the first side of the first support plate (11) and the second support plate (12) along the width direction of the plating tank; An auxiliary shaft (3), both ends of which are rotatably arranged on the second side of the first support plate (11) and the second support plate (12) along the width direction of the plating tank; the main shaft (2) is in transmission connection with the auxiliary shaft (3), and their rotation directions are opposite; A driving member (4), which is in transmission connection with the main shaft (2); Characterized in that the cover of the plating tank comprises: Rolling curtains (5), the fixed ends of the two rolling curtains (5) are respectively wound around the main shaft (2) and the auxiliary shaft (3); when the main shaft (2) and the auxiliary shaft (3) rotate synchronously, the free ends of the two rolling curtains (5) can abut against or move away from each other; both of the two rolling curtains (5) slide on the top surfaces of the first support plate (11) and the second support plate (12) to complete the winding and unwinding of the rolling curtains (5); A first belt pulley assembly, comprising a first driving roller (22), a first driven roller (32) and a first connecting belt (20); both ends of the main shaft (2) are fixedly provided with the first driving roller (22), both ends of the auxiliary shaft (3) are rotatably provided with the first driven roller (32), and the rotation direction of the auxiliary shaft (3) is opposite to that of the first driven roller (32); the first driving roller (22) is connected to the corresponding first driven roller (32) through the first connecting belt (20); A sliding rod (7), one end of each of the free ends of the rolling curtains (5) along both sides of the length direction of the plating tank is connected to the sliding rod (7), and the other ends of the two sliding rods (7) on the same side along the length direction of the plating tank on the two rolling curtains (5) are respectively connected to the upper section and the lower section of the corresponding first connecting belt (20); A second belt pulley assembly, comprising a second driving roller (23), a second driven roller (33) and a second connecting belt (30); both ends of the main shaft (2) and the auxiliary shaft (3) are provided with the second driving roller (23), both sides of the first support plate (11) and the second support plate (12) along the width direction of the plating tank are rotatably provided with the second driven roller (33), the second driving roller (23) and the second driven roller (33) are in one-to-one correspondence, one end of the second connecting belt (30) is sequentially wound around the corresponding second driving roller (23) and second driven roller (33), and the other end of the second connecting belt (30) is connected to the corresponding rolling curtain (5); One end of the second connecting belt (30) is fixedly wound around the second driving roller (23), and a plurality of fixing blocks are installed at intervals on the outer surface of the second connecting belt (30) along its extending direction, and each fixing block is respectively connected to the corresponding curtain sheet on the rolling curtain (5).

2. The tank cover of the plating tank according to claim 1, wherein, The cover of the plating tank further comprises: The middle rotating shaft (6) is transferred and arranged on the second support plate (12). The middle rotating shaft (6) is axially provided with a driven gear (61) and a driving pulley (62). The shaft end of the main shaft (2) extending out of the second support plate (12) is provided with a driving gear (21), and the driving gear (21) is meshed and connected with the driven gear (61). The shaft end of the auxiliary shaft (3) extending out of the second support plate (12) is provided with a driven pulley (31), and the driving pulley (62) is connected with the driven pulley (31) through a conveyor belt (60).

3. The tank cover of the plating tank according to claim 1, characterized in that The first pulley assembly further includes: A bearing, and the first driven roller (32) is sleeved on the auxiliary shaft (3) through the corresponding bearing.

4. The tank cover of the plating tank according to claim 1, characterized in that, The tank cover of the plating tank further includes: A sealing plate (8), and the sealing plate (8) is arranged on both the first side and the second side of the open end of the plating tank to block the gap between the open end of the plating tank and the rolling curtain (5).

5. The tank cover of the plating tank according to claim 4, characterized in that, The tank cover of the plating tank further includes: A ventilation pipeline (9) is arranged on the corresponding sealing plate (8), and the ventilation pipeline (9) is communicated with the plating tank.

6. The tank cover of the plating tank according to claim 4, characterized in that The sealing plate (8) includes a connected vertical plate (81) and a horizontal plate (82). The vertical plate (81) is arranged on the first side or the second side of the open end of the plating tank, and the horizontal plate (82) is located above the corresponding rolling curtain (5).

7. The tank cover of the plating tank according to any one of claims 1-6, characterized in that The rolling curtain (5) is assembled by plastic curtain sheets or metal curtain sheets.

8. An electroplating production line, characterized in that, Including the tank cover of the plating tank according to any one of claims 1-7.

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