Waste gas collecting device for electroplating bath

Abstract

The utility model discloses an electroplating bath waste gas collecting device, which relates to the technical field of electroplating equipment and comprises an electroplating bath body and a waste gas cover. An airflow pipe is arranged at the edge of a tank body of the electroplating tank body, and is provided with gas spraying holes which are formed upwards and are used for forming a ventilation wall at the edge of the electroplating tank body so as to prevent waste gas from diffusing to the outside; the waste gas cover is arranged above the electroplating bath body, and the top end of the waste gas cover is connected with a waste gas pipe used for absorbing waste gas emitted upwards in the electroplating bath body. The gas injection holes can form an effective ventilation wall at the edge of the electroplating bath body to prevent waste gas from diffusing to the outside, so that the pollution of the waste gas to the environment is reduced, and the waste gas is prevented from harming human health. Meanwhile, waste gas generated in the electroplating process can be efficiently absorbed through cooperative use of the waste gas cover and the waste gas pipe, and the waste gas treatment efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electroplating equipment, in particular to an electroplating tank waste gas collecting device. BACKGROUND

[0002] In the process of electroplating operation, the electroplating solution in the electroplating tank will produce a large amount of waste gas due to chemical reaction. These waste gases often contain harmful ingredients, if not effectively collected and treated, but directly discharged into the workshop environment, will cause serious harm to the health of the operating personnel, at the same time, will also have a bad influence on the air quality in the workshop, and may cause other equipment in the workshop to be corroded. At present, the common electroplating tank waste gas treatment method mainly sets the waste gas absorption device on the top of the electroplating tank and sets the waste gas absorption device on the side of the tank. However, the existing these methods have certain limitations.

[0003] The utility model discloses an electroplating tank of automatic collection waste gas, including electroplating tank, the opening of electroplating tank is equipped with cover plate left and right, the opposite face of cover plate is vertically installed with the stand, and the passage for workpiece is formed between the stand, and the inside of cover plate forms the first air cavity, and the inside of stand forms the second air cavity with first air cavity intercommunication, and the bottom surface of cover plate is evenly distributed with first suction hole, and the opposite face of stand is evenly distributed with second suction hole, and the end face of cover plate width direction installs the suction pipe, and the outside of suction pipe is connected with the total pipe uniformly. The utility model discloses simple structure, under the premise of not affecting workpiece, the opening of electroplating tank is reduced as far as possible to better block waste gas, and the first suction hole below cover plate can collect the waste gas in the inside of electroplating tank, and the second suction hole on the opposite face of stand can collect the waste gas that wants to discharge outward through the passage. However, the waste gas absorption device on the top of the electroplating tank is difficult to completely collect the waste gas diffused from the four sides and the lower part of the electroplating tank, so that part of the waste gas will overflow to the workshop environment, resulting in low absorption efficiency. SUMMARY

[0004] The purpose of the present application is to provide an electroplating tank waste gas collecting device to solve the problem of low absorption efficiency of the waste gas absorption device on the top of the electroplating tank due to waste gas diffusion.

[0005] The electroplating tank waste gas collecting device provided by the present application adopts the following technical solution:

[0006] An electroplating tank waste gas collecting device, comprising:

[0007] An electroplating tank body, a gas flow pipe is arranged on the edge of the tank body, the gas flow pipe is provided with a gas injection hole, the gas injection hole is arranged upward, and a wind wall is formed on the edge of the electroplating tank body to block the diffusion of waste gas to the outside;

[0008] The waste gas cover is arranged above the electroplating tank body, and a waste gas pipe is connected to the top end of the waste gas cover for absorbing the waste gas emitted upward in the electroplating tank body.

[0009] By adopting the above technical scheme, an effective wind wall can be formed at the edge of the electroplating tank body to prevent the waste gas from diffusing to the outside, thereby reducing the pollution caused by the waste gas to the environment and avoiding the harm of the waste gas to human health. Meanwhile, the cooperation of the waste gas cover and the waste gas pipe can efficiently absorb the waste gas generated in the electroplating process, further improving the waste gas treatment efficiency.

[0010] Optionally, the airflow pipe is closed and communicated, and the airflow pipe is connected with a compressed gas pump.

[0011] By adopting the above technical scheme, the airflow pipe is closed and communicated, so that the compressed gas pump can provide high-pressure gas to the entire airflow pipe, and the air injection holes can synchronously inject air, thereby forming a stable wind wall to effectively prevent the waste gas from diffusing outward.

[0012] Optionally, the electroplating tank body has a rectangular structure, and the waste gas cover has a funnel shape.

[0013] By adopting the above technical scheme, the electroplating tank body has a rectangular structure, which is beneficial to improving the space utilization rate and facilitating the operation of the operator; and the waste gas cover has a funnel shape, which can effectively expand the waste gas collection range, improve the waste gas absorption efficiency, and reduce the risk of waste gas diffusion.

[0014] Optionally, the diameter of the air injection hole is 2-4 mm, and the interval distance of the air injection hole on the airflow pipe is 8-12 mm.

[0015] By adopting the above technical scheme, the diameter of the air injection hole is 2-4 mm, so that the injected gas has a high speed and pressure, and can effectively form a wind wall to prevent the waste gas from diffusing. Meanwhile, the interval distance of the air injection hole on the airflow pipe is 8-12 mm, which ensures uniform gas flow distribution, further enhances the effect of the wind wall, and improves the waste gas collection efficiency.

[0016] Optionally, a wind guide ring is arranged outside the electroplating tank body, the wind guide ring is arranged outside the airflow pipe, a connecting block is arranged in the wind guide ring, a lead screw is arranged outside the electroplating tank body, and the connecting block moves on the lead screw to enable the wind guide ring to move relative to the electroplating tank body.

[0017] By adopting the above technical scheme, the wind guide ring can prevent the gas injected from the air injection hole from diffusing outward, thereby effectively guiding the gas flow direction, enhancing the stability and strength of the wind wall, and further improving the waste gas blocking effect. Meanwhile, the wind guide ring can move relative to the electroplating tank body, so that the position can be adjusted according to the actual operation to improve the applicability.

[0018] Optionally, the electroplating tank body is further connected with an air inlet pipe, and the air inlet pipe is connected with the electroplating tank body.

[0019] By adopting the technical scheme, the gas inlet can introduce gas into the electroplating tank body, thereby accelerating the exhaust of waste gas and improving the absorption efficiency of waste gas.

[0020] Optionally, the lifting device is connected to the waste gas cover and is used to move the waste gas cover up and down.

[0021] By adopting the technical scheme, the waste gas cover can be moved upward when not in use, thereby leaving operation space on the upper side of the electroplating tank body and improving the applicability of the waste gas collecting device.

[0022] Optionally, the lifting device includes a lifting rod and a driving machine, one end of the lifting rod is connected to the driving machine, and the other end of the lifting rod is connected to the waste gas cover.

[0023] By adopting the technical scheme, the flexibility and adaptability of the waste gas collecting device are effectively improved, and the waste gas collecting device can be used on electroplating tanks of different heights.

[0024] In summary, the present application has at least one of the following beneficial technical effects:

[0025] 1. An effective wind wall can be formed at the edge of the electroplating tank body, which prevents the waste gas from diffusing to the outside, thereby reducing the pollution caused by the waste gas to the environment and avoiding the harm of the waste gas to human health. Meanwhile, the cooperation of the waste gas cover and the waste gas pipe can efficiently absorb the waste gas generated in the electroplating process, thereby further improving the waste gas treatment efficiency.

[0026] 2. The airflow pipe is closed and communicated, so that the compressed gas pump can provide high-pressure gas to the entire airflow pipe, so that each jet hole can jet gas synchronously, thereby forming a stable wind wall and effectively blocking the diffusion of waste gas to the outside.

[0027] 3. The air guide ring can avoid the diffusion of gas to the outside after being jetted from the jet hole, thereby effectively guiding the direction of airflow, enhancing the stability and strength of the wind wall, and further improving the waste gas blocking effect. Meanwhile, the air guide ring can move relative to the electroplating tank body, so that the position can be adjusted according to actual operation, thereby improving the applicability. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;

[0029] Figure 2 is a schematic diagram of the structure of the airflow pipe of the embodiment of the present application.

[0030] Reference signs: 1, electroplating tank body; 11, airflow pipe; 12, jet hole; 13, compressed gas pump; 14, air guide ring; 15, screw rod; 16, connecting block; 17, gas inlet pipe; 2, waste gas cover; 3, waste gas pipe; 4, lifting device; 41, lifting rod; 42, driving machine. DETAILED DESCRIPTION

[0031] The application will be further described in detail below with reference to the accompanying drawings.

[0032] A waste gas collecting device for electroplating tank, referring to Figure 1 , comprising an electroplating tank body 1, a waste gas cover 2 and a lifting device 4, wherein the waste gas cover 2 is installed above the electroplating tank body 1 through the lifting device 4. The electroplating tank is used for electroplating processing, and a certain amount of waste gas is generated during the electroplating process due to the chemical reaction. The waste gas cover 2 is connected with a waste gas pipe 3, so that the generated waste gas can be absorbed by the waste gas pipe 3 through the waste gas cover 2, avoiding the influence of waste gas emission on the environment and human health. The electroplating tank body 1 is a rectangular body structure, and the waste gas cover 2 is a corresponding inverted funnel structure, and the waste gas pipe 3 is connected to the upper end of the funnel structure, so that the waste gas cover 2 can diffuse and absorb the area. Since the electroplating tank body 1 cannot be closed at the upper side during the processing of the replacement of the object and the adjustment of the electrolyte, the waste gas cover 2 is arranged above the electroplating tank body 1 to avoid the emission of waste gas to the outside under the condition that the electroplating tank body 1 is not closed.

[0033] Referring to Figure 2 , the edge of the electroplating tank body 1 is provided with an air flow pipe 11, the air flow pipe 11 forms a closed loop around the edge of the electroplating tank body 1, and the air flow pipe 11 is connected with a compressed air pump 13, so that the compressed air pump 13 can introduce high-pressure gas into the entire air flow pipe 11. The air flow pipe 11 is provided with a gas injection hole 12, the gas injection hole 12 is arranged upwardly, so that the high-pressure gas can be injected upwardly through the gas injection hole 12, so as to form a wind wall at the edge of the electroplating tank body 1 to block the emission of waste gas to the outside, and under the action of the upwardly injected high-pressure gas and the negative pressure formed by the waste gas pipe 3, the waste gas can be moved upwardly and absorbed into the waste gas cover 2, avoiding the emission of waste gas to the outside. The diameter of the gas injection hole 12 is between 2 and 4 mm, and the interval distance of the gas injection hole 12 on the air flow pipe 11 is between 8 and 12 mm. The diameter and the interval distance of the gas injection hole 12 can ensure uniform distribution of air flow and form a continuous wind wall, effectively blocking the diffusion of waste gas.

[0034] Referring to Figure 1The outer side of the electroplating tank body 1 is further provided with a wind guide ring 14, which is arranged outside the airflow pipe 11 and can move in the vertical direction relative to the electroplating tank body 1. The inner side of the wind guide ring 14 is provided with a connecting block 16, and the outer side of the electroplating tank body 1 is provided with a lead screw 15. The connecting block 16 can move on the lead screw 15 under the drive of the motor, thereby driving the wind guide ring 14 to move relative to the electroplating tank body 1. By shielding the wind guide ring 14 outside the airflow pipe 11, the gas sprayed from the air jet hole 12 will not be dispersed outward, maintaining the stability of the wind wall and improving the waste gas blocking effect. The outer side of the electroplating tank body 1 is further connected with an air inlet pipe 17, which is connected near the surface of the electroplating tank body 1 and can introduce gas into the electroplating tank body 1, so that the waste gas can be quickly blown out of the electroplating tank body 1, improving the waste gas absorption efficiency.

[0035] Referring to Figure 1 The lifting device 4 includes a lifting rod 41 and a drive motor 42. The drive motor 42 is placed at both ends of the electroplating tank body 1, and the drive motor 42 extends upwardly with the lifting rod 41. The lifting rod 41 is connected to the waste gas cover 2, so that the drive motor 42 can drive the lifting rod 41 to move the waste gas cover 2 up and down.

[0036] The implementation principle of the embodiment of the present application is that the airflow pipe 11 and the air jet hole 12 are arranged at the edge of the electroplating tank body 1 to form a wind wall, effectively blocking the outward diffusion of waste gas. The waste gas cover 2 is arranged above the electroplating tank body 1, and the waste gas is sucked into the waste gas pipe 3 and transported to the treatment equipment, realizing effective collection and treatment of waste gas. Without closing the electroplating tank body 1, the waste gas is prevented from being dispersed.

[0037] The embodiments of the present application are preferred embodiments of the present application, and are not limited to the protection scope of the present application. The same parts are indicated by the same reference numerals. Therefore, equivalent changes made according to the structure, shape, principle of the present application should be covered by the protection scope of the present application.

Claims

1. An electroplating cell exhaust gas collection device, characterized by, The utility model relates to an electroplating tank body (1), the tank body edge is equipped with airflow pipe (11), airflow pipe (11) is equipped with air jet hole (12), air jet hole (12) sets up upwards, is used for forming the wind wall at the edge of electroplating tank body (1) to block the emission of waste gas to the outside world. Waste gas cover (2) is equipped with the waste gas pipe (3) on the top end, is used for absorbing the waste gas that electroplating tank body (1) emits upwards. The airflow pipe (11) is closed communication, and the airflow pipe (11) is connected with the compressed air pump (13).

2. The apparatus according to claim 1, wherein The electroplating tank body (1) is rectangular body structure, and the waste gas cover (2) is funnel-shaped.

3. The apparatus of claim 1, wherein the apparatus further comprises a plurality of nozzles disposed on the inner surface of the housing and configured to direct the flow of the exhaust gas toward the exhaust port. The aperture size of air jet hole (12) is 2-4mm, and the interval distance of air jet hole (12) in airflow pipe (11) is 8-12mm.

4. The apparatus of claim 1, wherein, The electroplating tank body (1) is equipped with the wind -guiding ring (14) outside, the wind -guiding ring (14) is equipped with the connecting block (16) in, and the electroplating tank body (1) is equipped with the lead screw (15) outside, and the connecting block (16) moves on the lead screw (15), so that the wind -guiding ring (14) can move relatively electroplating tank body (1).

5. The apparatus of claim 1, wherein, The electroplating tank body (1) is also connected with the air inlet pipe (17), and the air inlet pipe (17) is connected with the electroplating tank body (1).

6. The apparatus of claim 1, wherein, It further includes lifting device (4), and the lifting device (4) is connected with waste gas cover (2), is used for moving waste gas cover (2) up and down.

7. The apparatus of claim 1, wherein, The lifting device (4) includes lifting rod (41) and drive machine (42), one end of lifting rod (41) is connected with drive machine (42), and the other end is connected with waste gas cover (2).

8. The apparatus of claim 7, wherein the at least one of the plurality of nozzles is configured to direct the flow of the gas toward the surface of the workpiece. ​

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