Tank cover structure of electroplating bath

Abstract

The utility model provides a bath cover structure of an electroplating bath, which comprises two bath covers arranged at the upper end of a bath body, the two bath covers are oppositely arranged, one end of each bath cover is fixedly connected to the output end of an actuator, the actuators are fixedly mounted on the bath body, and the actuators can drive the bath covers to rotate at the upper end of the bath body. And the two groove covers which rotate oppositely are of an opening and closing structure with the upper ends of the groove bodies being open. According to the tank cover structure of the electroplating tank, the tank cover is arranged above the tank edge of the tank body and between the ventilation hoods on the two sides, so that the sealing performance is ensured, the tank cover does not exceed the fan hoods on the two sides of the tank when being opened, the lifting height of a travelling crane is not increased, and the tank cover enters the inner sides of the fan hoods and is located at the position of auxiliary equipment such as a tank width heating pipe; the groove width is not increased; when the tank cover is closed, the tank cover can be completely closed, and the tank cover is simple in structure, reliable in function and high in response speed.

Description

Technical Field

[0001] The utility model belongs to the field of electroplating equipment, in particular to a slot cover structure of an electroplating slot. Background Art

[0002] Electroplating is a technology that uses the principle of electrolysis to deposit a metal coating with good adhesion but different performance from the base material on various products. The electroplated layer is more uniform than the hot-dip layer and is generally thinner, ranging from a few microns to tens of microns. Through electroplating, decorative protective and various functional surface layers can be obtained on mechanical or plastic products, and workpieces that have been worn or processed incorrectly can also be repaired.

[0003] At present, electroplating is mostly completed using automatic electroplating production lines. According to the size, batch and mounting method of the parts to be plated, the electroplating production lines include rack plating lines, roller plating lines, continuous plating lines and brush plating lines. Among them, the rack plating production line can realize the electroplating process of general size products, and is also widely used in the processing of large parts.

[0004] During the production process of the electroplating production line, the cleaned and specially pre-treated parts to be plated are used as cathodes and immersed in a plating tank containing electroplating solution. The plated metal is used to make an anode, and the two poles are connected to the positive and negative poles of the DC power supply respectively. After power is turned on, the metal ions in the electroplating solution move to the cathode under the action of the potential difference to form a coating. The metal ions formed by the anode enter the electroplating solution to maintain the concentration of the plated metal ions. In this process, due to high temperature and chemical reactions, a large amount of gas will be generated, which will not only deteriorate the working environment, but also cause corrosion to the automated production line, especially for the circuits of the production line, there are great safety hazards, so the gas needs to be absorbed and emptied in time.

[0005] To reduce or eliminate the generation of waste gas during the electroplating process and meet the requirements of clean production, we must first start with the process itself, improve the production process technology, and reduce the generation of harmful gases; secondly, adopt advanced closed pollution-free equipment to prevent waste gas leakage or use dust-free processing technology; finally, add aerosol inhibitors, use the foaming properties of surfactants, control the aerosol in the foam layer on the liquid surface, and let the aerosol naturally gather and then fall back into the tank liquid.

[0006] The two-sided suction hoods currently used in the production line cannot prevent the leakage of harmful gases generated in the liquid surface area in the center of the tank even if the suction speed is increased after it exceeds a certain value. Moreover, blindly increasing the suction speed will greatly increase the emission. Therefore, the addition of tank covers is imperative. Exhaust hoods based on this mainly include semi-enclosed, folding and sliding types. Semi-enclosed exhaust hoods cannot be completely closed for various reasons, which can easily cause the overflow of exhaust gas; as for the folding type, it is divided into folding into the tank or folding outside the tank. Although it can be closed, it increases the space in the tank or increases the lifting height of the crane, which has a great impact on the overall production line; the sliding type not only ensures sealing but also does not increase the height, but when it is working, the tank cover will move to the outside of the tank body, or even to the top of other tank bodies, which will either increase the length of the entire line or affect the rhythm of the production line, and there are also great disadvantages. Utility Model Content

[0007] In view of this, the utility model aims to provide a tank cover structure for an electroplating tank to solve the problem that the exhaust hood in the prior art cannot effectively cover the electroplating tank, which easily causes waste gas to overflow.

[0008] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0009] A slot cover structure for an electroplating tank comprises two slot covers arranged at the upper end of a tank body, and the two slot covers are arranged opposite to each other, one end of each slot cover is fixedly connected to the output end of an actuator, the actuator is fixedly mounted on the tank body, the actuator can drive the slot cover to rotate at the upper end of the tank body, and the two slot covers rotating opposite to each other are an opening and closing structure with an open top end of the tank body.

[0010] Furthermore, the actuator is any one of a rotary cylinder and a servo motor.

[0011] Furthermore, an air hood is respectively arranged on both sides of the trough body, and the feed end of each air hood is connected to the interior of the trough body, and the air outlet end of the air hood is connected to the vacuum pumping equipment, and the air hood does not interfere with the rotation of the trough cover.

[0012] Furthermore, a fixed baffle is installed on a side of each wind shield away from the outer wall of the tank body, and one side of the fixed baffle can be sealingly connected to one side of the tank cover.

[0013] Furthermore, rubber strips are respectively installed on one side of the fixed baffle and the side of the slot cover away from the outer wall of the slot body. One side of the fixed baffle is sealed to the side of the slot cover close to the outer wall of the slot body through the rubber strip, and two slot covers can be sealed to each other through the rubber strip.

[0014] Furthermore, a limit block is detachably mounted on the slot cover, and the slot cover is rotatably sleeved onto the slot body through a support frame, one side of the limit block can abut against one side of the support frame, and the limit block is used to limit the opening of the slot cover.

[0015] Compared with the prior art, the slot cover structure of an electroplating tank described in the utility model has the following beneficial effects: the slot cover is arranged above the slot edge of the tank body and between the ventilation hoods on both sides, which not only ensures the sealing, but also when the slot cover is opened, it will not exceed the wind hoods on both sides of the tank, and will not increase the lifting height of the crane. Because it enters the inside of the wind hood, it will be in the position of auxiliary equipment such as the slot width heating pipe, and will not increase the slot width; when the slot cover is closed, the slot cover can completely achieve the sealing effect. The slot cover has a simple structure, reliable function, and fast response speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the structure of the trough cover on the trough body closed according to an embodiment of the utility model;

[0018] Figure 2 This is a structural schematic diagram of the tank cover on the tank body according to an embodiment of the utility model being opened;

[0019] Figure 3 It is a top view schematically showing the trough cover on the trough body according to an embodiment of the utility model being closed.

[0020] Description of reference numerals:

[0021] 1- trough body; 2- trough cover; 3- actuator; 4- wind cover; 5- fixed baffle; 6- limit block; 7- support frame. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0023] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0025] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0026] like Figure 1-Figure 3 As shown, a slot cover structure of an electroplating tank includes two slot covers 2 arranged at the upper end of a tank body 1, and the two slot covers 2 are arranged opposite to each other, one end of each slot cover 2 is fixedly connected to the output end of an actuator 3, the actuator 3 is fixedly installed on the tank body 1, the actuator 3 can drive the slot cover 2 to rotate at the upper end of the tank body 1, and the two slot covers 2 rotating oppositely are an opening and closing structure with an open top of the tank body 1, a wind hood 4 is respectively arranged on both sides of the tank body 1, and the feed end of each wind hood 4 is connected to the inside of the tank body 1, and the air outlet end of the wind hood 4 is connected to the vacuum device, the wind hood 4 does not interfere with the rotation of the slot cover 2, when the two slot covers 2 When opened, the two slot covers 2 are located between the two wind hoods 4. When the two slot covers 2 are closed, the two slot covers 2 are not higher than the end faces of the wind hoods 4. The slot covers 2 of this embodiment are arranged above the slot edge of the slot body 1 and between the ventilation hoods 4 on both sides, which not only ensures the sealing performance, but also does not exceed the wind hoods 4 on both sides of the slot when the slot covers 2 are opened, and does not increase the lifting height of the vehicle, because it enters the inner side of the wind hood 4 and is in the position of auxiliary equipment such as the slot width heating pipe, and does not increase the slot width; when the slot covers 2 are closed, the slot covers 2 can completely achieve the sealing effect. The slot covers 2 have a simple structure, reliable functions, and fast response speed.

[0027] The actuator 3 is any one of the rotary cylinders or servo motors in the prior art. The present embodiment adopts a rotary cylinder. A fixed baffle 5 is installed on the side of each wind hood 4 away from the outer wall of the tank body 1. One side of the fixed baffle 5 can be sealed and connected to one side of the tank cover 2.

[0028] In order to increase the airtightness of the tank cover 2 when it is closed, rubber strips are respectively installed on one side of the fixed baffle 5 and the side of the tank cover 2 away from the outer wall of the tank body 1. One side of the fixed baffle 5 is sealed with the side of the tank cover 2 close to the outer wall of the tank body 1 through the rubber strip. The tank covers 2 can be sealed with each other through the rubber strip to ensure their sealing and cover the area of ​​the solution in the tank exposed to the air to the greatest extent.

[0029] A limit block 6 is detachably installed on the slot cover 2, and the slot cover 2 is rotatably sleeved on the slot body 1 through the support frame 7. One side of the limit block 6 can abut against one side of the support frame 7. The limit block 6 is used to limit the opening of the slot cover 2. After the slot cover 2 is opened, it is arranged at the same level as the wind hood 4 or below the wind hood 4, which will not block the exhaust effect and will not increase the height of the slot body 1. After the slot cover 2 is closed, the slot cover 2 minimizes the distance from the liquid surface in the slot. The slot cover 2 is divided into two leaves, and the operating position of the flying bar can be reserved in the middle or it can be completely closed. The total exhaust gas treatment volume can be reduced by the slot cover 2, and the exhaust gas can be prevented from volatilizing. The opening of the slot cover 2 can be adjusted by adjusting the thickness of the limit block 6, and it can also be prevented from causing damage to other components due to the rotation transition of the slot cover 2 when the actuator 3 fails.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tank cover structure for an electroplating tank, characterized in that: The invention comprises two slot covers (2) arranged at the upper end of a slot body (1), and the two slot covers (2) are arranged opposite to each other, one end of each slot cover (2) is fixedly connected to the output end of an actuator (3), the actuator (3) is fixedly mounted on the slot body (1), the actuator (3) can drive the slot cover (2) to rotate at the upper end of the slot body (1), and the two slot covers (2) rotating opposite to each other form an opening and closing structure with the upper end of the slot body (1) open.

2. The tank cover structure of an electroplating tank according to claim 1, characterized in that: The actuator (3) is any one of a rotary cylinder or a servo motor.

3. The tank cover structure of an electroplating tank according to claim 1, characterized in that: An air hood (4) is respectively arranged on both sides of the tank body (1), and the feed end of each air hood (4) is connected to the interior of the tank body (1), and the air outlet end of the air hood (4) is connected to the vacuum pumping equipment, and the air hood (4) does not interfere with the rotation of the tank cover (2).

4. The tank cover structure of the electroplating tank according to claim 3, characterized in that: A fixed baffle plate (5) is installed on a side of each wind shield (4) away from the outer wall of the tank body (1), and one side of the fixed baffle plate (5) can be sealed and connected to one side of the tank cover (2).

5. The tank cover structure of the electroplating tank according to claim 4, characterized in that: Rubber strips are respectively installed on one side of the fixed baffle (5) and on the side of the slot cover (2) away from the outer wall of the slot body (1); one side of the fixed baffle (5) is sealedly connected to the side of the slot cover (2) close to the outer wall of the slot body (1) via the rubber strip; and two slot covers (2) can be sealedly connected via the rubber strip.

6. The tank cover structure of an electroplating tank according to claim 1, characterized in that: A limit block (6) is detachably mounted on the slot cover (2), and the slot cover (2) is rotatably sleeved onto the slot body (1) via a support frame (7), one side of the limit block (6) can abut against one side of the support frame (7), and the limit block (6) is used to limit the opening of the slot cover (2).

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