Circulating supply device of plating solution for circuit board printing

Abstract

The utility model discloses a plating solution circulation supply device for circuit board printing, and relates to the technical field of circuit board printing, the plating solution circulation supply device comprises a solution storage tank, a filter tank and a circulating pump, the upper end of the solution storage tank is provided with a solution inlet, the circulating pump is fixedly provided with a solution discharge pipe and a solution inlet pipe, the solution inlet pipe is communicated with the filter tank, and the filter tank is communicated with the solution discharge pipe. The liquid discharging pipe is connected with a pipeline of the printing equipment, a filtering assembly is arranged in the filtering box and comprises a cover plate, a convex plate is fixedly installed at the bottom end of the cover plate, and a filtering net used for filtering impurities in plating liquid is fixedly installed at the bottom end of the convex plate; the filter assembly of the plating solution circulating supply device for circuit board printing adopts a detachable design, and the mounting and dismounting processes are simple, convenient and rapid, so that an operator can conveniently replace and maintain the filter assembly regularly, the filter effect is ensured to be always good, the quality of the plating solution is improved, and the quality of circuit board printing is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of circuit board printing, particularly relates to a plating solution circulating supply device for circuit board printing. BACKGROUND

[0002] Circuit board printing process involves depositing metal, such as copper, on the surface of a substrate. The plating solution contains specific metal ions that can form the desired conductive circuit or metal coating on the surface of the substrate through electrochemical or chemical methods. Therefore, a plating solution circulating supply device is needed during the circuit board printing process.

[0003] In practical applications, the following technologies are often required:

[0004] 1. Filtration function, which can effectively remove impurities in the plating solution and ensure the purity of the plating solution.

[0005] 2. Convenient replacement of the filter assembly to ensure consistent good filtration effect.

[0006] Currently, the conventional plating solution circulating supply device for circuit board printing has the following problems in actual use: the filter assembly is usually connected to the device body through multiple screws, nuts, or complex buckle structures. When disassembling, these fixing parts need to be loosened one by one, which is time-consuming and laborious. The disassembly and assembly of the filter assembly are cumbersome, increasing the maintenance difficulty and making the use less convenient. UTILITY MODEL CONTENT

[0007] TECHNICAL PROBLEM SOLVED

[0008] To solve the technical problems of the conventional plating solution circulating supply device for circuit board printing, which is cumbersome to disassemble and assemble the filter assembly, increases the maintenance difficulty, and is inconvenient to use, the utility model provides a plating solution circulating supply device for circuit board printing.

[0009] TECHNICAL SCHEME

[0010] To achieve the above purposes, the utility model is implemented by the following technical scheme:

[0011] A kind of plating solution circulation supply device for circuit board printing, including liquid storage tank, filter tank and circulating pump, the upper end of the liquid storage tank is provided with inlet, the circulating pump is fixedly installed with drain pipe and inlet pipe, the inlet pipe is communicated with filter tank, the drain pipe is connected with printing equipment pipeline, filter assembly is arranged in the filter tank, the filter assembly includes cover plate, the bottom end of the cover plate is fixedly installed with tab, the bottom end of the tab is fixedly installed with filter screen for filtering impurities in plating solution, the filter screen is located in filter tank, the filter tank is fixedly connected with connecting pipe, the filter tank is communicated with liquid storage tank by connecting pipe, the both sides of the filter tank are fixedly connected with connecting block, the opposite two sides of the two connecting blocks are both provided with fixed slot, the cover plate is provided with fixing assembly, the fixing assembly includes slide rail and two push blocks, the end of each push block is fixedly connected with inserting rod, and each inserting rod is inserted in fixed slot respectively.

[0012] Preferably: the inner wall bottom surface of the filter tank is provided with groove, the bottom of the filter screen is inserted into the groove, the cover plate is located at the upper end of the filter tank, the tab is inserted into the port of the filter tank, and a sealing ring is sleeved on the tab for sealing.

[0013] Preferably: the slide rail is fixedly installed at the upper end of the cover plate, the upper surface of the slide rail is provided with two sliding grooves, the two push blocks are slidingly installed in the sliding grooves respectively for limiting the sliding of the push blocks, the two inserting rods are movably penetrated through the two ends of the slide rail, the inside of each slide rail is provided with containing cavity, and each containing cavity is provided with spring for resetting the push block and the inserting rod.

[0014] Preferably: a round sleeve is fixedly sleeved on each inserting rod, and each round sleeve is fixedly connected with the inner wall of the containing cavity by spring.

[0015] Beneficial effects

[0016] I. The filter assembly of the plating solution circulation supply device for circuit board printing adopts detachable design, and the installation and disassembly process is simple and fast, which not only facilitates the operation personnel to regularly replace and maintain the filter assembly, ensures that the filtering effect is always good, thereby improving the plating solution quality and ensuring the quality of circuit board printing.

[0017] II. The filter screen is inserted into the filter tank, the tab is inserted into the port of the filter tank, the push block is loosened, the inserting rod is inserted into the fixed slot by the elastic resetting action of the spring, the clamping and fixing of the filter assembly and the filter tank are completed, the installation of the filter assembly is more convenient, and the filter assembly is convenient to use, the sealing ring is arranged on the tab to seal the connection between the cover plate and the filter tank, to prevent leakage. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following preferred embodiments of the utility model are described in detail below with the accompanying drawings.

[0019] Figure 1 It is the structure diagram of the whole for the plating solution circulating supply device for circuit board printing of the utility model;

[0020] Figure 2 It is the structure diagram of the filter box of the utility model;

[0021] Figure 3 It is the structure diagram of the cover plate of the utility model;

[0022] Figure 4 It is the structure diagram of the slide rail of the utility model.

[0023] Legend: 1, liquid storage tank;11, liquid inlet;2, filter box;21, groove;22, connecting block;3, circulating pump;31, liquid outlet pipe;32, liquid inlet pipe;4, cover plate;41, convex plate;42, filter screen;5, slide rail;51, containing cavity;52, sliding groove;6, push block;61, insertion rod;62, round sleeve;63, spring. DETAILED DESCRIPTION

[0024] The plating solution circulating supply device for circuit board printing provided by the embodiment of the application effectively solves the problem that the disassembly and assembly of the filter assembly are relatively complicated, the maintenance difficulty is increased, and the use is relatively inconvenient. The filter assembly is designed to be detachable, and the installation and disassembly process is simple and fast. This not only facilitates the regular replacement and maintenance of the filter assembly by the operator, ensures that the filtering effect is always good, thereby improving the plating solution quality and ensuring the quality of circuit board printing, but also facilitates the insertion of the filter screen into the filter box and the insertion of the convex plate into the port of the filter box. The push block is loosened, the insertion rod is inserted into the fixed groove by using the elastic reset action of the spring, the clamping and fixing of the filter assembly and the filter box are completed, the installation of the filter assembly is relatively convenient, and the filter assembly is convenient to use. The sealing ring is arranged on the convex plate to seal the connection between the cover plate and the filter box, and leakage is prevented.

[0025] Embodiment: as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the technical scheme in the embodiment of the application effectively solves the technical problem that the disassembly and assembly of the filter assembly are relatively complicated, the maintenance difficulty is increased, and the use is relatively inconvenient. The overall idea is as follows:

[0026] The utility model provides a kind of plating solution circulation supply device for circuit board printing, including liquid storage tank 1, filter box 2 and circulating pump 3, the upper end of liquid storage tank 1 is provided with inlet 11, circulating pump 3 is fixedly installed with drain pipe 31 and inlet pipe 32, inlet pipe 32 is communicated with filter box 2, drain pipe 31 is connected with printing equipment pipeline, start circulating pump 3, plating solution is extracted from liquid storage tank 1, after filtering by the filtering assembly in filter box 2, it is transported to printing equipment by drain pipe 31 and pipeline, and the circulation of plating solution is completed;

[0027] Filtering assembly is arranged in filter box 2, and the filtering assembly includes cover plate 4, the bottom end of cover plate 4 is fixedly installed with convex plate 41, the bottom end of convex plate 41 is fixedly installed with filter screen 42 for filtering impurities in plating solution, and the filter screen 42 is located in filter box 2;

[0028] Connecting pipe is fixedly connected to filter box 2, filter box 2 is communicated with liquid storage tank 1 through connecting pipe, and connecting block 22 is fixedly connected to both side ends of filter box 2; Fixed slots are formed in opposite surfaces of the two connecting blocks 22; Cover plate 4 is provided with fixing assembly, and the fixing assembly includes slide rail 5 and two push blocks 6; The end of each push block 6 is fixedly connected with inserting rod 61; Each inserting rod 61 is inserted into the fixed slot respectively; By pressing the two push blocks 6, the two push blocks 6 are moved close to each other; The two inserting rods 61 are moved close to each other by moving the two push blocks 6 close to each other, so that the inserting rod 61 is separated from the fixed slot at the inlet pipe 32; At this time, the filtering assembly is not limited by blocking, so that the filtering assembly can be separated from the filter box 2; The disassembly of the filtering assembly is simple and convenient, and the filtering assembly can be replaced conveniently.

[0029] The inner wall bottom surface of the filter box 2 is provided with a groove 21, the bottom of the filter screen 42 is inserted into the groove 21, the cover plate 4 is located at the upper end of the filter box 2, the convex plate 41 is inserted into the port of the filter box 2, and a sealing ring is sleeved on the convex plate 41 for sealing, the slide rail 5 is fixedly installed at the upper end of the cover plate 4, two sliding grooves 52 are formed in the upper surface of the slide rail 5, two push blocks 6 are slidably installed in the sliding grooves 52 for limiting the sliding of the push blocks 6, two insertion rods 61 are movably penetrated through the two ends of the slide rail 5, each slide rail 5 is provided with a containing cavity 51, a spring 63 for resetting the push block 6 and the insertion rod 61 is arranged in each containing cavity 51, a circular sleeve 62 is fixedly sleeved on each insertion rod 61, each circular sleeve 62 is fixedly connected with the inner wall of the containing cavity 51 through the spring 63, the two push blocks 6 are pressed, the two insertion rods 61 are retracted into the containing cavities 51, at this time the springs 63 are compressed under stress, then the filter screen 42 is inserted into the filter box 2, the convex plate 41 is inserted into the port of the filter box 2, the push blocks 6 are released, the insertion rods 61 are inserted into the fixing grooves by the elastic resetting action of the springs 63, the clamping and fixing of the filter assembly and the filter box 2 are completed, the installation of the filter assembly is more convenient, and the filter assembly is convenient to use, the sealing ring arranged on the convex plate 41 is used to seal the connection between the cover plate 4 and the filter box 2, and leakage is prevented.

[0030] Working principle:

[0031] First step, when in use, the circulating pump 3 is started, the plating solution is drawn out from the liquid storage tank 1, filtered by the filter assembly in the filter box 2, and then delivered to the printing equipment through the drain pipe 31 and the pipeline, so that the circulation of the plating solution is completed, when it is necessary to disassemble the filter assembly, the two push blocks 6 are pressed to move close to each other, the two insertion rods 61 are driven to move close to each other by the mutual close movement of the two push blocks 6, so that the insertion rods 61 are separated from the fixing grooves at the liquid inlet pipe 32, at this time the filter assembly is not limited and blocked, and the filter assembly can be separated from the filter box 2, the disassembly of the filter assembly is simple and convenient, and the filter assembly is convenient to replace.

[0032] Second step, when it is necessary to install the filter assembly, the two push blocks 6 are pressed to retract the two insertion rods 61 into the containing cavities 51, at this time the springs 63 are compressed under stress, then the filter screen 42 is inserted into the filter box 2, the convex plate 41 is inserted into the port of the filter box 2, the push blocks 6 are released, the insertion rods 61 are inserted into the fixing grooves by the elastic resetting action of the springs 63, the clamping and fixing of the filter assembly and the filter box 2 are completed, the installation of the filter assembly is more convenient, and the filter assembly is convenient to use, the sealing ring arranged on the convex plate 41 is used to seal the connection between the cover plate 4 and the filter box 2, and leakage is prevented.

[0033] Finally, it should be noted that: apparently, the above embodiments are merely examples for clearly illustrating the utility model, and are not limited to the implementation. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the implementation. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A circuit board printing plating solution circulation supply device, comprising a storage tank (1), a filter tank (2), and a circulation pump (3), characterized in that: The upper end of the storage tank (1) is provided with an inlet (11), and the circulation pump (3) is fixedly installed with a drain pipe (31) and an inlet pipe (32). The inlet pipe (32) is connected to the filter box (2), and the drain pipe (31) is connected to the printing equipment pipeline. The filter box (2) is provided with a filter assembly, and the filter assembly includes a cover plate (4). Among them, a protruding plate (41) is fixedly installed at the bottom end of the cover plate (4), and a filter screen (42) for filtering impurities in the plating solution is fixedly installed at the bottom end of the protruding plate (41). The filter screen (42) is located inside the filter box (2). A connecting pipe is fixedly connected to the filter box (2), and the filter box (2) is connected to the liquid storage tank (1) through the connecting pipe. The filter box (2) is fixedly connected to both ends of the filter box (2). The two connecting blocks (22) are provided with fixing grooves on opposite sides. The cover plate (4) is provided with fixing components. The fixing components include slide rails (5) and two push blocks (6). Each push block (6) is fixedly connected to an insertion rod (61) at its end. Each insertion rod (61) is inserted into the fixing groove.

2. The circuit board printing plating solution circulation supply device according to claim 1, characterized in that: The bottom surface of the inner wall of the filter box (2) is provided with a groove (21), and the bottom of the filter screen (42) is inserted into the groove (21).

3. The circuit board printing plating solution circulation supply device according to claim 2, characterized in that: The cover plate (4) is located at the upper end of the filter box (2), the protruding plate (41) is inserted into the port of the filter box (2), and a sealing ring is fitted on the protruding plate (41) for sealing.

4. The circuit board printing plating solution circulation supply device according to claim 3, characterized in that: The slide rail (5) is fixedly installed on the upper end of the cover plate (4), and two slide grooves (52) are opened on the upper surface of the slide rail (5); The two push blocks (6) are slidably installed in the slide groove (52) to limit the sliding of the push blocks (6).

5. The circuit board printing plating solution circulation supply device according to claim 4, characterized in that: The two insert rods (61) respectively movably pass through both ends of the slide rail (5), and each slide rail (5) is provided with a receiving cavity (51); Each of the receiving cavities (51) is provided with a spring (63) for resetting the push block (6) and the insert rod (61).

6. The circuit board printing plating solution circulation supply device according to claim 5, characterized in that: Each of the inserts (61) is fixedly fitted with a round sleeve (62), and each round sleeve (62) is fixedly connected to the inner wall of the receiving cavity (51) by a spring (63).

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