Electronic component cleaning device

Abstract

The electronic component cleaning device comprises a machine frame, an outer box body, an inner box body and a circulating pump, the outer box body, the inner box body and the circulating pump are installed on the machine frame, the inner box body is arranged inside the outer box body, a backflow channel is formed between the peripheral side walls of the inner box body and the peripheral side walls of the outer box body, and an opening of the outer box body is higher than an opening of the inner box body. The top of the backflow channel is communicated with the opening of the inner box body; a partition plate is arranged in the inner box body and divides the inner box body into a cleaning cavity located on the upper layer and a water return cavity located on the lower layer, a plurality of through holes are evenly distributed in the partition plate, and a product containing groove is formed in the side, facing the cleaning cavity, of the partition plate. The liquid inlet end of the circulating pump is connected with the water return cavity through a liquid inlet pipe, the liquid outlet end of the circulating pump is connected with the backflow channel through a liquid outlet pipe, and a filter element used for filtering impurities is arranged at the top of the backflow channel. By the adoption of the cleaning device, products in the product containing groove are circularly cleaned through the cleaning liquid, and the situation that tin layers and the interiors of the products are damaged due to friction caused by vibration of the products is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic components cleaning equipment technical field especially relates to a kind of electronic components cleaning device. BACKGROUND

[0002] Small chip electronic components mostly need to be electroplated, taking multilayer chip ceramic capacitor (MLCC) as an example, after firing, the product needs to be electroplated nickel, tin layer treatment to achieve the purpose of soldering, that is, the product is plated nickel, tin layer in succession in electroplating production line, after online rinsing, it is out of groove.But, since online rinsing is often not clean enough, many manufacturers have arranged an additional cleaning process after out of groove, the existing cleaning method is usually ultrasonic cleaning, that is, ultrasonic cavitation caused by sound wave vibration is used to clean stains.

[0003] However, the ultrasonic cleaning method has the following defects:

[0004] (1) ultrasonic cleaning uses ultrasonic cavitation caused by sound wave vibration to clean stains, which is difficult to effectively remove organic matter combined by bonding after electroplating, and the cleaning efficiency is not high; at the same time, it is necessary to use a larger ultrasonic power to effectively clean the stains on the surface of the component, but the component can withstand smaller ultrasonic power, which is easy to cause product damage;(2) ultrasonic generator is easy to attenuate with the long-term use of the equipment, and the ultrasonic output effect is difficult to evaluate by quantitative method, so that the cleaning process is not controlled;(3) the ultrasonic cleaning process window is very narrow, and the ultrasonic amplitude is easy to be too large or too small, too large is easy to cause the product tin layer blackening and damage, and too small is easy to cause the product not clean enough. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a kind of electronic components cleaning device, can use cleaning fluid to the product in product holding tank Product is recycled and cleaned, the impurities cleaned can pass through the through hole of the partition plate, and be absorbed and filtered by filter element arranged in reflux channel, compared with the ultrasonic cleaning method in the prior art, it can prevent the friction caused by vibration of product from causing tin layer and internal damage of product.

[0006] In order to achieve the above purpose, the utility model adopts the technical scheme that:

[0007] The utility model provides an electronic components cleaning device, it includes frame and install on the frame outer box, inner box and circulating pump, the inner box sets up in the inside of outer box, forms the backflow channel between the four around side walls of inner box and the four around side walls of outer box, the opening of outer box is higher than the opening of inner box, the top of backflow channel is connected with the opening of inner box, the inside of inner box is equipped with the baffle, the baffle divides into the cleaning cavity of upper layer and the backwater cavity of lower layer, the baffle is equipped with product placement groove on the side towards the cleaning cavity, the liquid inlet of circulating pump is connected with backwater cavity through the liquid inlet pipe, the liquid outlet of circulating pump is connected with backflow channel through the liquid outlet pipe, and the top of backflow channel is equipped with filter core for filtering impurities.

[0008] As a preferred scheme of the utility model, the bottom of the backflow channel is provided with a drain pipe, and the drain pipe is provided with a valve.

[0009] As a preferred scheme of the utility model, the liquid inlet pipe is provided with a flow meter.

[0010] As a preferred scheme of the utility model, the liquid outlet pipe is provided with a flow meter.

[0011] As a preferred scheme of the utility model, the baffle is detachably installed in the inner box.

[0012] As a preferred scheme of the utility model, the inner wall of the backflow channel is provided with a second boss for supporting the filter core.

[0013] As a preferred scheme of the utility model, the filter core is detachably installed in the backflow channel.

[0014] As a preferred scheme of the utility model, the inner wall of the backflow channel is provided with a second boss for supporting the filter core.

[0015] The electronic components cleaning device provided by the utility model has the advantages that, compared with the prior art, the device has the beneficial effects that:

[0016] When working, under the action of the circulating pump, the product in the product placement groove can be circularly cleaned by the cleaning liquid, the impurities cleaned can pass through the through holes of the baffle and be absorbed and filtered by the filter core arranged in the backflow channel, compared with the ultrasonic cleaning mode in the prior art, the device can prevent the product from being damaged due to the friction caused by vibration. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings of the embodiments will be briefly introduced below.

[0018] Figure 1 is a structural schematic view of an electronic component cleaning device provided by an embodiment of the present application;

[0019] Figure 2 is to Figure 1 the structure shown in A-A cross-sectional view.

[0020] In the figure, the marks are:

[0021] 1, rack; 2, outer box body; 3, inner box body; 31, cleaning cavity; 32, backwater cavity; 4, circulating pump; 41, liquid inlet pipe; 42, liquid outlet pipe; 5, backflow channel; 6, partition; 61, through hole; 7, product placement groove; 8, filter element; 9, drain pipe; 10, valve; 11, flow meter; 12, first boss; 13, second boss. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application will be further described in detail below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0023] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be understood as limiting the present application. It should be understood that in the present application, the terms "first", "second" and the like are used to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present application, the "first" information can also be referred to as "second" information, and similarly, the "second" information can also be referred to as "first" information.

[0024] Please refer to Figures 1 to 2The utility model discloses an electronic component cleaning device provided by preferred embodiment, it includes frame 1 and install outer box 2, inner box 3 and circulating pump 4 on frame 1, the inner box 3 sets up in the inside of outer box 2, the four around side wall of inner box 3 with the four around side wall of outer box 2 forms backflow channel 5, the opening of outer box 2 is higher than the opening of inner box 3, the top of backflow channel 5 with the opening of inner box 3 is linked together, the inside of inner box 3 is equipped with baffle 6, baffle 6 divides into the cleaning cavity 31 of upper layer and the backwater chamber 32 of lower layer in inner box 3, baffle 6 is evenly provided with a plurality of through -hole 61, baffle 6 is equipped with product placement groove 7 towards cleaning cavity 31 side, the liquid inlet end of circulating pump 4 is connected with backwater chamber 32 through liquid inlet pipe 41, the liquid outlet end of circulating pump 4 is connected with backflow channel 5 through liquid outlet pipe 42, the top of backflow channel 5 is equipped with filter element 8 for filtering impurity.

[0025] According to the electronic component cleaning device of the utility model, under the action of circulating pump 4, the product in product placement groove 7 can be cleaned by cleaning fluid, the impurities cleaned can pass through the through -hole 61 of baffle 6 and be absorbed and filtered by filter element 8 arranged in backflow channel 5, compared with the ultrasonic cleaning mode in the prior art, the tin layer and the internal damage of the product caused by friction due to vibration can be prevented.

[0026] Exemplarily, the bottom of backflow channel 5 is provided with a drain pipe 9, and the drain pipe 9 is provided with a valve 10. Thus, after cleaning the product, the cleaning fluid can be discharged through the drain pipe 9; at the same time, the valve 10 can facilitate the control of the liquid discharge amount.

[0027] Exemplarily, the electronic component cleaning device of the utility model further comprises a flow meter 11, and the flow meter 11 is arranged on the liquid inlet pipe 41 or the liquid outlet pipe 42. Thus, the arrangement of the flow meter 11 can monitor the flow rate of the cleaning fluid, so as to effectively control the cleaning process.

[0028] Exemplarily, the baffle 6 is detachably arranged in the inner box 3, and in this embodiment, a first boss 12 for supporting the baffle 6 is arranged on the box wall of the inner box 3. Such a design is more conducive to the maintenance and replacement of the baffle 6; when the baffle 6 is removed, the impurities deposited in the backwater chamber 32 can be conveniently cleaned.

[0029] Exemplarily, for the convenience of maintenance and replacement of the filter element 8, the filter element 8 is detachably arranged in the backflow channel 5, and in this embodiment, a second boss 13 for supporting the filter element 8 is arranged on the inner wall of the backflow channel 5.

[0030] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled in the art, under the premise of not departing from the technical principles of the utility model, a number of improvements and substitutions can also be made, these improvements and substitutions should also be considered as the protection scope of the utility model.

Claims

1. An electronic component cleaning device, characterized in that, The device includes a frame and an outer casing, an inner casing, and a circulation pump mounted on the frame. The inner casing is located inside the outer casing, and a reflux channel is formed between the four side walls of the inner casing and the four side walls of the outer casing. The opening of the outer casing is higher than the opening of the inner casing, and the top of the reflux channel communicates with the opening of the inner casing. The inner casing has a partition that divides it into an upper cleaning chamber and a lower return water chamber. The partition has multiple through holes evenly distributed on it, and a product placement slot is provided on the side of the partition facing the cleaning chamber. The inlet end of the circulation pump is connected to the return water chamber through an inlet pipe, and the outlet end of the circulation pump is connected to the reflux channel through an outlet pipe. A filter element for filtering impurities is provided at the top of the reflux channel.

2. The electronic component cleaning device according to claim 1, characterized in that, The bottom of the return channel is equipped with a drain pipe, and the drain pipe has a valve.

3. The electronic component cleaning device according to claim 1, characterized in that, A flow meter is installed on the inlet pipe.

4. The electronic component cleaning device according to claim 1, characterized in that, A flow meter is installed on the outlet pipe.

5. The electronic component cleaning device according to claim 1, characterized in that, The partition is detachably installed inside the inner housing.

6. The electronic component cleaning apparatus according to claim 5, characterized in that, The inner box has a first protrusion on its wall to support the partition.

7. The electronic component cleaning device according to claim 1, characterized in that, The filter element is detachably installed in the return channel.

8. The electronic component cleaning apparatus according to claim 7, characterized in that, The inner wall of the reflux channel is provided with a second protrusion for supporting the filter element.

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