Pickling tank for electroplating processing

Abstract

The utility model discloses a pickling bath for electroplating processing, which comprises a pickling bath and two metal net frames, a switching mechanism is arranged between the two metal net frames, and the switching mechanism is used for switching the positions of the two metal net frames and moving the metal net frames into the pickling bath. The two metal net frames are arranged, the switching mechanism is used for switching the positions of the two metal net frames, one metal net frame is moved into the pickling tank to be subjected to pickling treatment, the other metal net frame is moved into the pickling tank to be subjected to pickling treatment, and the two metal net frames are moved into the pickling tank to be subjected to pickling treatment. And the two metal net frames are circularly switched for use, so that the time for filtering and airing the metal pieces subjected to acid pickling is shortened, and the processing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electroplating processing technical field, concretely is a pickling tank for electroplating processing. BACKGROUND

[0002] Electroplating is the process of plating a thin layer of other metal or alloy on the surface of certain metal by electrolysis, which is a process of attaching a metal film to the surface of metal or other material parts by electrolysis to prevent metal oxidation, improve wear resistance, electrical conductivity, reflectivity, corrosion resistance and aesthetics, and remove the oxide scale and rust on the surface of steel using acid solution. It is a method of cleaning metal surface, generally immersing parts in sulfuric acid solution to remove oxide film on the surface of metal, which is a pretreatment or intermediate treatment of electroplating, enamel, rolling, etc. Acid pickling requires the use of pickling tank for electroplating processing.

[0003] After searching, the patent announcement number CN218710872U discloses a pickling tank for electroplating processing, which comprises a bottom plate, a tank body is installed on the top of the bottom plate, two side plates are installed on the top of the bottom plate, an electric telescopic rod is installed at the bottom of the inner cavity of the side plate, a push plate is installed at the bottom of the electric telescopic rod, a connecting plate is installed on the inner side of the push plate, the connecting plate is connected to the inner side of the side plate, a connecting rod is installed on the inner side of the connecting plate, and the connecting rod is connected to the inner cavity of the tank body.

[0004] The above scheme uses a movable and lifting bearing net plate to facilitate the picking up of electroplated workpieces, and facilitates the drying of the pickled workpieces. However, when the electroplated workpieces are dried, the bearing net plate and the electroplated workpieces need to be lifted away from the pickling solution in the pickling tank, and the electroplated workpieces need a long time to dry, which affects the pickling process during the drying time and greatly affects the processing efficiency. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model aims to provide a pickling tank for electroplating processing, which solves the problem of long drying time of electroplated workpieces, which affects the pickling process during the drying time and greatly affects the processing efficiency.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The acid pickling tank for electroplating processing comprises an acid pickling tank and metal mesh frames, two metal mesh frames are arranged, a conversion mechanism is arranged between the two metal mesh frames, the conversion mechanism is used for converting the positions of the two metal mesh frames and moving the metal mesh frames into the acid pickling tank, two movable sealing plates are symmetrically arranged on the top of the acid pickling tank, a sealing plate linkage assembly connected with the two movable sealing plates is arranged in the acid pickling tank, when the metal mesh frame is moved into the acid pickling tank, the metal mesh frame drives the two movable sealing plates to automatically close through the sealing plate linkage assembly.

[0008] Preferably, the conversion mechanism comprises a support column fixedly installed on the ground and a moving column slidingly connected to the support column, installation cavities are formed in the support column and the moving column, a telescopic piece is arranged in the installation cavity, the bottom end of the telescopic piece is fixedly connected to the support column, and the top end of the telescopic piece is fixedly connected to the moving column.

[0009] Preferably, the top of the moving column is fixedly connected with a mounting seat, a motor is fixedly installed in the mounting seat, a connecting plate is fixedly connected to the output end of the motor, and a connecting rod is fixedly connected between the top of the metal mesh frame and the connecting plate.

[0010] Preferably, the front end and the rear end of the movable sealing plate extend to the outside of the acid pickling tank, and the bottom end of the movable sealing plate is fixedly connected with a sliding block, sliding rails are transversely fixedly connected to the outer walls at the front end and the rear end of the acid pickling tank, and the movable sealing plate is slidingly connected with the sliding rails through the sliding block.

[0011] Preferably, the sealing plate linkage assembly comprises first guide wheels and second guide wheels fixedly connected to the inner walls of the acid pickling tank, the first guide wheels are located above the second guide wheels and close to the opening of the acid pickling tank, the first guide wheels and the second guide wheels on the two sides of the acid pickling tank are sequentially connected with connecting ropes, a groove is formed in the length direction of the bottom of the movable sealing plate, a fixed rope ring is fixedly connected to the end of the groove away from the acid pickling tank, and the end of the connecting rope is fixedly connected to the fixed rope ring.

[0012] Preferably, the bottom of the metal mesh frame is fixedly connected with a pair of rope pressing wheels, and the rope pressing wheels correspond to the positions of the connecting ropes.

[0013] Preferably, a reset assembly is arranged between the movable sealing plate and the acid pickling tank, the reset assembly comprises guide rods transversely arranged on the outer walls of the acid pickling tank, the guide rods are fixedly connected to the acid pickling tank through link blocks at the two ends, a fixed sleeve is fixedly sleeved to the middle position of the guide rod, sliding sleeves are fixedly connected to the front side and the rear side of the movable sealing plate, the sliding sleeves are slidingly sleeved to the guide rod, and a reset spring is sleeved to the outside of the guide rod between the fixed sleeve and the sliding sleeve.

[0014] Preferably, the liquid collecting tank is located directly below the metal mesh frame away from the pickling tank, a deflector is fixedly connected to one side of the top of the liquid collecting tank, the deflector is arc-shaped, is arranged along the rotating path of the metal mesh frame, and one end of the deflector extends above the pickling tank.

[0015] Preferably, the cross-sectional area of the liquid collecting tank is greater than that of the metal mesh frame.

[0016] Compared with the prior art, the pickling tank has the following beneficial effects:

[0017] 1. The two metal mesh frames are arranged, the conversion mechanism is used for switching the positions of the two metal mesh frames, one of the metal mesh frames is moved into the pickling tank for pickling treatment, and the other metal mesh frame is moved outside the pickling tank for filtering and drying, the two metal mesh frames are switched and used in cycles, the time for filtering and drying the metal parts after pickling is reduced, and the processing efficiency is improved.

[0018] 2. The liquid collecting tank and the deflector are arranged, the metal mesh frame after pickling is moved above the liquid collecting tank, the liquid collecting tank can collect the pickling liquid dripping from the metal mesh frame and the metal parts, the deflector is arranged at the rotating path of the metal mesh frame, the deflector is used for collecting the pickling liquid dripping in the path from the pickling tank to the liquid collecting tank when the metal mesh frame is switched, and the deflector is arranged to be inclined downward from the pickling tank to the liquid collecting tank, so that the pickling liquid collected by the deflector flows into the liquid collecting tank along the deflector, the surrounding ground and equipment are effectively prevented from being polluted, and cleaning is facilitated.

[0019] 3. The sealing plate linkage assembly and the rope pressing wheel are arranged, when the metal mesh frame is lowered and moved into the pickling tank, the connecting rope between the rope pressing wheel and the second guide wheels on the two sides is contacted, as the metal mesh frame continues to move downward, the connecting rope is displaced downward by the rope pressing wheel, the rope pressing wheel pulls the two moving sealing plates to be automatically closed, the opening of the pickling tank is closed, acid smoke is isolated, the pollution to the working environment is reduced, the influence of the acid smoke on the health of workers is reduced, and the harm of the acid liquid splashing to the workers is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is an overall structure schematic view of the pickling tank for electroplating processing.

[0021] Figure 2 It is a structure view of the pickling tank, the moving sealing plate and the reset assembly.

[0022] Figure 3 It is a sectional structure schematic view of the pickling tank.

[0023] Figure 4For conversion mechanism structure schematic diagram;

[0024] Figure 5 For metal mesh frame structure schematic diagram;

[0025] Figure 6 For mounting seat and motor structure schematic diagram.

[0026] In the figure: 1, pickling tank; 2, moving sealing plate; 201, groove; 3, sliding block; 4, slide rail; 5, sealing plate linkage assembly; 501, first guide wheel; 502, second guide wheel; 503, connecting rope; 6, reset assembly; 601, guide rod; 602, fixed sleeve; 603, sliding sleeve; 604, reset spring; 7, metal mesh frame; 701, rope pressing wheel; 8, conversion mechanism; 801, support column; 802, moving column; 803, telescopic piece; 804, mounting seat; 805, motor; 806, connecting plate; 807, connecting rod; 9, liquid collecting tank; 10, flow guide plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Embodiment: please refer to Figures 1-6The embodiment provides an acid pickling tank for electroplating processing, which comprises an acid pickling tank 1 and two metal mesh frames 7, the two metal mesh frames 7 are provided with a conversion mechanism 8, the conversion mechanism 8 is used for converting the positions of the two metal mesh frames 7 and moving the metal mesh frames 7 into the acid pickling tank 1, the acid pickling tank 1 is symmetrically provided with two movable sealing plates 2 at the top of two sides, the acid pickling tank 1 is internally provided with a sealing plate linkage assembly 5 connected with the two movable sealing plates 2, when the metal mesh frame 7 is moved into the acid pickling tank 1, the metal mesh frame 7 drives the two movable sealing plates 2 to automatically close through the sealing plate linkage assembly 5, in use, the metal pieces to be pickled are placed in the metal mesh frame 7, one of the metal mesh frames 7 is moved into the acid pickling tank 1 through the conversion mechanism 8, after the metal mesh frame 7 enters into the acid pickling tank 1, the metal mesh frame 7 cooperates with the sealing plate linkage assembly 5 to drive the two movable sealing plates 2 to automatically close, when pickling, acid fume can be isolated, pollution to the working environment is reduced, the influence of acid fume on the health of workers is reduced, and harm to workers caused by splashing of acid liquid is avoided, after pickling of the metal pieces in the metal mesh frame 7 is completed, the positions of the two metal mesh frames 7 are exchanged through the conversion mechanism 8, the metal pieces to be pickled in the other metal mesh frame 7 are moved into the acid pickling tank 1 for pickling treatment, at this time, the other metal mesh frame 7 is placed outside the acid pickling tank 1 for filtering and drying, through the cyclic switching of the two metal mesh frames 7, the filtering and drying time of the metal pieces after pickling is reduced, and the processing efficiency is improved.

[0029] In the embodiment, as shown in Figure 1 、 Figure 4 and Figure 6 , the conversion mechanism 8 comprises a support column 801 fixedly installed on the ground and a moving column 802 slidably connected to the support column 801, the support column 801 and the moving column 802 are both internally provided with an installation cavity, a telescopic piece 803 is arranged in the installation cavity, in the embodiment, the telescopic piece 803 is an electric push rod, a hydraulic cylinder, a motor lead screw module or the like, which only needs to realize the sliding lifting of the moving column 802 on the support column 801, the bottom end of the telescopic piece 803 is fixedly connected to the support column 801, the top end of the telescopic piece 803 is fixedly connected to the moving column 802, the top of the moving column 802 is fixedly connected with an installation seat 804, the installation seat 804 is internally fixedly installed with a motor 805, the output end of the motor 805 is fixedly connected with a connecting plate 806, the top of the metal mesh frame 7 is fixedly connected with a connecting rod 807 between the connecting plate 806, the telescopic piece 803 is used to drive the moving column 802 to slide and lift on the support column 801, so as to drive the connecting plate 806 to synchronously lift and move, for height adjustment of the metal mesh frame 7, so as to facilitate the movement of the metal mesh frame 7 into the acid pickling tank 1 for pickling treatment, the motor 805 is used to drive the connecting plate 806 to rotate, so as to drive the two metal mesh frames 7 to rotate, for switching the positions of the two metal mesh frames 7.

[0030] In the embodiment, as shown in Figure 2 The front and rear ends of the movable sealing plate 2 extend to the outside of the pickling tank 1 and are fixedly connected with sliding blocks 3 at the bottom, and the outer walls at the front and rear ends of the pickling tank 1 are fixedly connected with sliding rails 4 transversely, and the movable sealing plate 2 is slidably connected with the sliding rails 4 through the sliding blocks 3. The sliding rails 4 and the sliding blocks 3 are arranged to improve the stability of the movable sealing plate 2 when moving to close or open.

[0031] In the embodiment, as shown in Figure 3 The sealing plate linkage assembly 5 comprises first guide wheels 501 and second guide wheels 502 fixedly connected to the inner walls of the pickling tank 1 on both sides, the first guide wheels 501 are located above the second guide wheels 502 and close to the opening of the pickling tank 1, the first guide wheels 501 and the second guide wheels 502 on both sides of the pickling tank 1 are sequentially connected with connecting ropes 503, the bottom of the movable sealing plate 2 is provided with a groove 201 along the length direction, and one end of the groove 201 away from the pickling tank 1 is fixedly connected with a fixed rope ring, and the end of the connecting rope 503 is fixedly connected to the fixed rope ring. The path of the connecting rope 503 is that one end of the connecting rope 503 is first fixed in the groove 201 of one of the movable sealing plates 2, then passes above the first guide wheel 501 close to the movable sealing plate 2, passes below the second guide wheel 502 close to the movable sealing plate 2, then passes below the second guide wheel 502 on the other side, passes above the first guide wheel 501 on the other side, and finally is fixed in the groove 201 of the other movable sealing plate 2. In the embodiment, because the connecting rope 503 is partially arranged in the pickling liquid of the pickling tank 1, the connecting rope 503 is made of acid-resistant material to improve the service life. The bottom of the metal mesh frame 7 is fixedly connected with a pair of rope pressing wheels 701, the pair of rope pressing wheels 701 are arranged at the edges of the bottom of the metal mesh frame 7 on both sides respectively to avoid scratching between the rope pressing wheels 701 and the metal mesh frame 7, the rope pressing wheels 701 correspond to the positions of the connecting ropes 503, and when the metal mesh frame 7 is lowered and moved to be arranged in the pickling tank 1, the connecting rope 503 between the rope pressing wheels 701 and the second guide wheels 502 on both sides is in contact. With the metal mesh frame 7 continuing to move downward, the connecting rope 503 is displaced by being pressed downward by the rope pressing wheels 701, so that the rope pressing wheels 701 pull the two movable sealing plates 2 to automatically close, which is used for closing the opening of the pickling tank 1 and can isolate acid fume to reduce pollution to the working environment.

[0032] In a preferred embodiment of the embodiment, one end of each of the two movable sealing plates 2 is fixedly connected with a buffer pad, and the buffer pad can be made of acid-resistant rubber material. On the one hand, the buffer pad can play a buffering protection role when the two movable sealing plates 2 are closed to reduce the impact force, and on the other hand, the buffer pad can clasp the connecting rod 807 to avoid the connecting rod 807 to improve the sealing performance.

[0033] In the embodiment, as shown in Figure 2As shown, the mobile sealing plate 2 and the pickling tank 1 are provided with a reset assembly 6, the reset assembly 6 includes guide rods 601 transversely arranged on both sides of the outer wall of the pickling tank 1, both ends of the guide rod 601 are fixedly connected to the pickling tank 1 through the connecting block, a fixed sleeve 602 is fixedly sleeved on the middle position of the guide rod 601, the front and rear sides of the mobile sealing plate 2 are fixedly connected with sliding sleeves 603, the sliding sleeves 603 are slidably sleeved on the guide rod 601, the reset spring 604 is sleeved between the fixed sleeve 602 and the sliding sleeve 603 and outside the guide rod 601, when the two mobile sealing plates 2 are closed, the mobile sealing plate 2 drives the sliding sleeve 603 to slide on the guide rod 601, and the reset spring 604 is extruded and contracted, when the metal mesh frame 7 is away from the connecting rope 503, the connecting rope 503 is not subjected to the downward pressure of the metal mesh frame 7, at this time, under the action of the reset spring 604, the sliding sleeve 603 and the mobile sealing plate 2 are automatically reset and opened, the structure is simple, the operation is convenient, and the practicality is high.

[0034] In the embodiment, as shown in the drawings, the pickling tank 1 is provided with a metal mesh frame 7, the metal mesh frame 7 is arranged in the pickling tank 1, and the metal mesh frame 7 is provided with a plurality of metal meshes 701 arranged in parallel. Figure 1 As shown, the reset assembly 6 further includes a liquid collecting tank 9, the liquid collecting tank 9 is located directly below the metal mesh frame 7 away from the pickling tank 1, the cross-sectional area of the liquid collecting tank 9 is greater than that of the metal mesh frame 7, one side of the top of the liquid collecting tank 9 is fixedly connected with a flow guide plate 10, the flow guide plate 10 is designed in an arc shape and is arranged along the rotating path of the metal mesh frame 7, one end of the flow guide plate 10 extends above the pickling tank 1, and the flow guide plate 10 is arranged obliquely downward along the pickling tank 1 to the liquid collecting tank 9, in order to improve the support stability of the flow guide plate 10, a support rod is fixedly connected between the flow guide plate 10 and the pickling tank 1, after the metal parts in one of the metal mesh frames 7 are pickled, the positions of the two metal mesh frames 7 are switched, so that the metal mesh frame 7 that has finished pickling moves above the liquid collecting tank 9, the liquid collecting tank 9 can receive the pickling liquid dripping from the metal mesh frame 7 and the metal parts, at the same time, the flow guide plate 10 is arranged at the rotating path of the metal mesh frame 7, the flow guide plate 10 is used to receive the pickling liquid dripping in the path between the pickling tank 1 and the liquid collecting tank 9 when the metal mesh frame 7 is switched in place, and the flow guide plate 10 is arranged obliquely downward along the pickling tank 1 to the liquid collecting tank 9, so that the pickling liquid collected by the flow guide plate 10 flows into the liquid collecting tank 9 along the flow guide plate 10, effectively avoiding pollution to the surrounding ground and equipment, and reducing cleaning trouble.

[0035] In a preferred embodiment of the present embodiment, a drain pipe is arranged on the liquid collecting tank 9, the collected pickling liquid can be discharged through the drain pipe, and after treatment, the pickling liquid is returned to the pickling tank 1 for continuous use, thereby reducing resource consumption and cost; when the metal mesh frame 7 is placed above the liquid collecting tank 9 to filter and dry, a drying device can be additionally arranged to assist the drying efficiency of the metal parts.

[0036] Working principle: in use, the metal piece to be pickled is placed in the metal mesh frame 7, the telescopic piece 803 is used to drive the moving column 802 to slide down on the supporting column 801, the connecting plate 806 is lowered synchronously, the metal mesh frame 7 is moved and placed in the pickling tank 1, when the metal mesh frame 7 is lowered and moved in the pickling tank 1, the connecting rope 503 between the pressing rope wheel 701 and the second guide wheel 502 on both sides is in contact, with the continuous downward movement of the metal mesh frame 7, the connecting rope 503 is pressed and displaced by the pressing rope wheel 701, so that the pressing rope wheel 701 pulls the two moving sealing plates 2 to automatically close, for closing the opening of the pickling tank 1, the acid fume can be isolated, the pollution to the working environment is reduced, the influence of the acid fume on the health of the workers is reduced, and the harm of the acid liquid splashing to the workers is avoided, after the pickling is completed, the telescopic piece 803 drives the moving column 802 to slide up on the supporting column 801, the metal mesh frame 7 leaves the connecting rope 503, the connecting rope 503 is not pressed downward by the metal mesh frame 7, at this time, the sliding sleeve 603 and the moving sealing plate 2 are automatically reset and opened under the action of the reset spring 604, after the metal mesh frame 7 is lifted into position, the connecting plate 806 is driven to rotate by the motor 805, so that the two metal mesh frames 7 are rotated, for switching the positions of the two metal mesh frames 7, so that the metal mesh frame 7 after pickling is moved above the liquid collecting tank 9, the liquid collecting tank 9 can collect the pickling liquid dripping from the metal mesh frame 7 and the metal piece, the flow guide plate 10 is arranged at the rotating path of the metal mesh frame 7, the flow guide plate 10 is used to collect the pickling liquid dripping in the path of the pickling tank 1 and the liquid collecting tank 9 when the metal mesh frame 7 is switched into position, and the flow guide plate 10 is inclined downward along the pickling tank 1 to the liquid collecting tank 9, so that the pickling liquid collected by the flow guide plate 10 flows into the liquid collecting tank 9, effectively avoiding the pollution to the surrounding ground and equipment, and reducing the cleaning trouble.

[0037] The above embodiment is a preferred implementation scheme of the present application, in addition to this, the present application can be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.

Claims

1. An acid pickling tank for electroplating processing, comprising an acid pickling tank (1) and a metal mesh frame (7), characterized in that: Two metal screen frames (7) are arranged, a conversion mechanism (8) is arranged between the two metal screen frames (7), the conversion mechanism (8) is used for converting the positions of the two metal screen frames (7) and moving the metal screen frame (7) into the pickling tank (1), the pickling tank (1) is symmetrically provided with a moving sealing plate (2) at the top of two sides, the pickling tank (1) is internally provided with a sealing plate linkage assembly (5) connected with the two moving sealing plates (2), when the metal screen frame (7) is moved into the pickling tank (1), the metal screen frame (7) drives the two moving sealing plates (2) to be automatically closed through the sealing plate linkage assembly (5).

2. The pickling tank for electroplating process according to claim 1, characterized in that: The conversion mechanism (8) comprises a support column (801) fixedly installed on the ground and a moving column (802) slidably connected to the support column (801), and installation cavities are formed in the support column (801) and the moving column (802).

3. The pickling tank for electroplating process according to claim 2, wherein: The top of the moving column (802) is fixedly connected with a mounting seat (804), the mounting seat (804) is internally fixedly installed with a motor (805), the output end of the motor (805) is fixedly connected with a connecting plate (806), and the top of the metal screen frame (7) is fixedly connected with a connecting rod (807) between the connecting plate (806).

4. The pickling tank for electroplating process according to claim 1, wherein: The front end and the rear end of the moving sealing plate (2) extend to the outside of the pickling tank (1) and are fixedly connected with sliding blocks (3) at the bottom, sliding rails (4) are horizontally fixedly connected to the outer walls at the front end and the rear end of the pickling tank (1), and the moving sealing plate (2) is slidably connected with the sliding rails (4) through the sliding blocks (3).

5. The pickling tank for electroplating process according to claim 1, wherein: The sealing plate linkage assembly (5) comprises first guide wheels (501) and second guide wheels (502) fixedly connected to the inner walls of the pickling tank (1) on both sides, the first guide wheels (501) are located above the second guide wheels (502) and close to the opening of the pickling tank (1), the first guide wheels (501) and the second guide wheels (502) on both sides of the pickling tank (1) are sequentially connected with connecting ropes (503), the bottom of the moving sealing plate (2) is provided with a groove (201) along the length direction, one end of the groove (201) away from the pickling tank (1) is fixedly connected with a fixed rope ring, and the end of the connecting rope (503) is fixedly connected to the fixed rope ring.

6. The pickling tank for electroplating process according to claim 5, wherein: The bottom of the metal screen frame (7) is fixedly connected with a pair of rope pressing wheels (701), and the rope pressing wheels (701) correspond to the positions of the connecting ropes (503).

7. The pickling tank for electroplating process according to claim 1, wherein: The mobile sealing plate (2) and the pickling tank (1) are provided with a reset assembly (6), the reset assembly (6) includes guide rods (601) which are transversely arranged on both sides of the outer wall of the pickling tank (1), both ends of the guide rod (601) are fixedly connected to the pickling tank (1) through the connecting blocks, a fixed sleeve (602) is fixedly sleeved on the middle position of the guide rod (601), the front and rear sides of the mobile sealing plate (2) are fixedly connected with sliding sleeves (603), the sliding sleeve (603) is slidably sleeved on the guide rod (601), and the reset spring (604) is sleeved between the fixed sleeve (602) and the sliding sleeve (603) and located outside the guide rod (601).

8. The pickling tank for electroplating process according to claim 1, wherein: Further comprising a liquid collecting tank (9), the liquid collecting tank (9) is located directly below the metal mesh frame (7) away from the pickling tank (1), one side of the top of the liquid collecting tank (9) is fixedly connected with a guide plate (10), the guide plate (10) is arc-shaped and is arranged along the rotating path of the metal mesh frame (7), one end of the guide plate (10) extends above the pickling tank (1), and the guide plate (10) is arranged to be inclined downward along the pickling tank (1) to the liquid collecting tank (9).

9. The pickling tank for electroplating process according to claim 8, wherein: The cross-sectional area of the liquid collecting tank (9) is greater than that of the metal mesh frame (7).

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