PCB liquid medicine automatic adding device

Abstract

This utility model discloses an automatic chemical dosing device for PCB manufacturing, applicable to the field of PCB circuit board production technology. It includes a chemical tank, with a storage cylinder bolted to the top left of the tank. An inlet pipe is fixedly connected to the top of the storage cylinder, and the other end of an outlet pipe extends into the interior of the tank. Several blocking blocks are bolted to the top of a piston plate directly below the outlet pipe, and each blocking block has a blocking column bolted to its top. The surface of the blocking column is slidably connected to the interior of the outlet pipe. A chemical inlet groove is opened on the right side of the top of the piston plate, and a connecting rod is bolted to the bottom of the piston plate. A float plate is fixedly connected to the bottom of the connecting rod. By incorporating the float plate, piston plate, blocking blocks, and blocking columns, this utility model enables the storage cylinder to automatically replenish the chemical tank when the liquid level drops, and to automatically stop replenishing the tank when the liquid level recovers.

Description

Technical Field

[0001] This utility model belongs to the field of PCB circuit board manufacturing technology, and specifically relates to an automatic PCB chemical addition device. Background Technology

[0002] In the PCB (printed circuit board) production process, chemicals usually refer to chemical solutions used in processes such as etching, electroplating, and surface treatment. The core function of the automatic chemical dosing device is to automatically replenish the chemicals in the chemical tank.

[0003] These chemicals are typically stored in a chemical tank, into which the PCB board is immersed for treatment. The chemicals in the tank are consumed over time (e.g., carried away by the PCB surface, consumed by chemical reactions), leading to a drop in liquid level and concentration, affecting the processing results. Therefore, regular replenishment is necessary. Existing equipment often requires manual replenishment, which is cumbersome and reduces work efficiency. Furthermore, newly added chemicals do not readily mix with the existing chemicals, resulting in uneven concentrations and hindering PCB board processing. Utility Model Content

[0004] The purpose of this utility model is to provide an automatic PCB solution adding device, which has the advantages of automatically adding PCB solution and mixing the newly added solution with the existing solution to a certain extent.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: an automatic PCB chemical dispensing device, comprising a chemical tank, a storage cylinder bolted to the left side of the top of the chemical tank, an inlet pipe fixedly connected to the top of the storage cylinder, and several outlet pipes fixedly connected to the bottom of the storage cylinder, the other end of the outlet pipes penetrating into the interior of the chemical tank, a piston plate provided inside the chemical tank, several blocking blocks bolted to the top of the piston plate directly below the outlet pipes, a blocking column bolted to the top of each blocking block, the surface of the blocking column slidingly connected to the interior of the outlet pipes, an inlet groove provided on the right side of the top of the piston plate, a connecting rod bolted to the bottom of the piston plate, a float plate fixedly connected to the bottom of the connecting rod, and a mixing mechanism provided on the right side of the chemical tank.

[0006] The above technical solution enables the storage cylinder to automatically replenish the medicine tank when the liquid level drops, and to automatically stop replenishing the medicine tank when the liquid level recovers.

[0007] The present invention is further configured such that the mixing mechanism includes a support rod, one end of which is bolted to the right side of the medicine tank, and there are two support rods. The two support rods are rotatably connected to a pulley on opposite sides via bearings. A steel wire rope is attached to the right side of the top of the piston plate, and the surface of the steel wire rope is wrapped around the surface of the pulley. The other end of the steel wire rope is attached to a support plate. A mixing plate is bolted to the left side of the support plate, and the left side of the mixing plate extends into the interior of the medicine tank. A sealing strip is adhered to the mixing plate at the penetration point in the medicine tank.

[0008] The above technical solution, by setting up a mixing mechanism, allows the newly added medicine to mix with the existing medicine in the medicine tank, which to some extent creates turbulence in the medicine and facilitates mixing.

[0009] The present invention is further configured such that a drug inlet hole is provided on the left side of the top of the piston plate.

[0010] By adopting the above technical solution, by setting up a drug inlet hole, the drug solution can be further allowed to flow from the piston plate into the original drug solution, thereby improving the drug solution flow efficiency.

[0011] The present invention is further provided that a cover plate is hinged to the right side of the top of the medicine tank, and a handle is welded to the top of the cover plate.

[0012] The above technical solution allows for easy placement and removal of PCB boards by setting up a cover and handle, preventing the external environment from adversely affecting the medicine in the medicine tank.

[0013] The present invention is further configured such that a sealing cap is threadedly connected to the surface of the drug inlet tube, and a handle is bolted to the top of the sealing cap.

[0014] By adopting the above technical solution, by setting a sealing cover and a handle, it is possible to prevent external air and dust from entering the medicine storage cylinder, which could cause adverse effects such as deterioration of the medicine, thus improving the practicality of the device.

[0015] The present invention is further provided that a sealing ring is bonded to the right side of the medicine tank at the point where the steel wire rope passes through.

[0016] By adopting the above technical solution, the adverse effects of the external environment on the medicine in the medicine tank can be reduced by setting a sealing ring.

[0017] The present invention is further configured such that guide grooves are provided around the inside of the medicine tank, and guide blocks are bolted around the piston plate, with the side of the guide blocks away from the piston plate slidably connected to the inner wall of the guide groove.

[0018] By adopting the above technical solution, the piston plate can be moved vertically by setting guide grooves and guide blocks, thus avoiding deflection during the movement of the piston plate.

[0019] The present invention is further configured such that the medicine storage cylinder is a transparent cylinder.

[0020] The above technical solution allows for easy observation of the usage of the medicine in the storage container by setting up a transparent cylinder, facilitating timely replenishment of the medicine.

[0021] In summary, this utility model has the following beneficial effects:

[0022] 1. By setting up a float plate, piston plate, blocking block, blocking column, etc., this utility model can automatically replenish the medicine tank when the liquid level drops, and automatically stop replenishing the medicine tank when the liquid level recovers, thus achieving the effect of automatic replenishment of medicine and avoiding the trouble of frequent manual replenishment of medicine.

[0023] 2. By setting up a mixing mechanism, this utility model can create turbulence in the medicine tank when the newly added medicine enters and mixes with the existing medicine. This facilitates mixing and achieves a more uniform concentration of the medicine. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a partial structural cross-sectional view of the present invention;

[0026] Figure 3 This is a partial structural cross-sectional view of the present invention;

[0027] Figure 4 This is a partial top view of the structure of this utility model.

[0028] Reference numerals: 1. Medicine tank; 2. Medicine storage cylinder; 3. Medicine inlet pipe; 4. Medicine outlet pipe; 5. Piston plate; 6. Blocking block; 7. Blocking column; 8. Medicine inlet groove; 9. Connecting rod; 10. Float plate; 11. Mixing mechanism; 1101. Support rod; 1102. Pulley; 1103. Steel wire rope; 1104. Support plate; 1105. Mixing plate; 1106. Sealing strip; 12. Medicine inlet hole; 13. Cover plate; 14. Handle; 15. Sealing cover; 16. Grip; 17. Sealing ring; 18. Guide groove; 19. Guide block. Detailed Implementation

[0029] The present invention will be further described in detail below with reference to the accompanying drawings.

[0030] Example 1:

[0031] refer to Figure 1 , Figure 2 and Figure 3 An automatic PCB chemical dispensing device includes a chemical tank 1, a storage cylinder 2 bolted to the top left of the chemical tank 1, an inlet pipe 3 fixedly connected to the top of the storage cylinder 2, and several outlet pipes 4 fixedly connected to the bottom of the storage cylinder 2. The other end of the outlet pipes 4 extends into the interior of the chemical tank 1. A piston plate 5 is installed inside the chemical tank 1. Several blocking blocks 6 are bolted to the top of the piston plate 5 directly below the outlet pipes 4. Each blocking block 6 has a blocking post 7 bolted to its top, and the surface of the blocking post 7 is slidably connected to the interior of the outlet pipe 4. A chemical inlet groove 8 is opened on the top right of the piston plate 5. A connecting rod 9 is bolted to the bottom of the piston plate 5, and a float plate 10 is fixedly connected to the bottom of the connecting rod 9. When the liquid level drops, the storage cylinder 2 automatically replenishes the chemical tank 1; when the liquid level recovers, the storage cylinder 2 automatically stops replenishing the chemical tank 1. The piston plate 5 is tilted.

[0032] refer to Figure 3 and Figure 4 A medicine inlet hole 12 is provided on the left side of the top of the piston plate 5. By providing the medicine inlet hole 12, the medicine can flow from the piston plate 5 into the original medicine, thereby improving the medicine flow efficiency.

[0033] refer to Figure 1 and Figure 2 A cover plate 13 is hinged to the right side of the top of the medicine tank 1. A handle 14 is welded to the top of the cover plate 13. By setting the cover plate 13 and the handle 14, it is convenient to put in and take out the PCB board and prevent the external environment from having an adverse effect on the medicine in the medicine tank 1.

[0034] refer to Figure 1 The surface of the inlet tube 3 is threaded with a sealing cap 15, and a handle 16 is bolted to the top of the sealing cap 15. By setting the sealing cap 15 and the handle 16, external air and dust can be prevented from entering the medicine storage cylinder 2, which would cause adverse effects such as deterioration of the medicine, thus improving the practicality of the device.

[0035] refer to Figure 3 and Figure 4 The medicine tank 1 has guide grooves 18 on all four sides, and guide blocks 19 are bolted to all four sides of the piston plate 5. The side of the guide block 19 away from the piston plate 5 is slidably connected to the inner wall of the guide groove 18. By setting the guide groove 18 and the guide block 19, the movement of the piston plate 5 can be made vertical, and the piston plate 5 can be prevented from deflecting during the movement.

[0036] refer to Figure 1The medicine storage cylinder 2 is made into a transparent cylinder. By making the cylinder transparent, it is easy to observe the usage of the medicine in the medicine storage cylinder 2 and to replenish the medicine in a timely manner.

[0037] Brief description of usage: Initially, the medicine tank 1 contains sufficient medicine. The PCB board is placed into the medicine. As the chemical reaction proceeds, the medicine is gradually consumed, and the liquid level drops. The float 10 moves downward. With the cooperation of the guide groove 18 and guide block 19, the float 10 drives the connecting rod 9 and piston plate 5 to move downward. During the downward movement of the piston plate 5, the blocking block 6 and blocking column 7 separate from the medicine outlet pipe 4. The medicine in the medicine storage cylinder 2 flows onto the piston plate 5 through the medicine outlet pipe 4 and is then passed through the piston... The medicine inlet 12 and medicine inlet 8 on plate 5 flow into the original medicine water, and the medicine water in the medicine storage cylinder 2 continuously flows into the medicine tank 1, causing the medicine water level in the medicine tank 1 to rise, causing the float plate 10 to move upward. Under the cooperation of the guide groove 18 and guide block 19, the float plate 10 drives the connecting rod 9 and piston plate 5 to move upward. During the upward movement of piston plate 5, the blocking column 7 enters the medicine outlet pipe 4, and the blocking block 6 blocks the bottom end of the medicine outlet pipe 4, so that the medicine water in the medicine storage cylinder 2 cannot enter the original medicine water through the medicine outlet pipe 4.

[0038] Example 2:

[0039] refer to Figure 1 An automatic PCB chemical dispensing device is provided with a mixing mechanism 11 on the right side of the chemical tank 1, which makes it easier for the newly added chemical to mix evenly with the original chemical to a certain extent, so that the chemical concentration is relatively uniform.

[0040] refer to Figure 2 , Figure 3 and Figure 4 The mixing mechanism 11 includes a support rod 1101. One end of the support rod 1101 is bolted to the right side of the medicine tank 1. There are two support rods 1101. The opposite sides of the two support rods 1101 are rotatably connected to a pulley 1102 via a bearing. A steel wire rope 1103 is tied to the right side of the top of the piston plate 5. The surface of the steel wire rope 1103 is wrapped around the surface of the pulley 1102. The other end of the steel wire rope 1103 is tied to a support plate 1104. A mixing plate 1105 is bolted to the left side of the support plate 1104. The left side of the mixing plate 1105 extends into the interior of the medicine tank 1. A sealing strip 1106 is adhered to the penetration point of the mixing plate 1105 in the medicine tank 1. By setting up the mixing mechanism 11, when the newly added medicine enters the interior of the medicine tank 1 and mixes with the existing medicine, the medicine will generate turbulence to a certain extent, which facilitates the mixing of the medicine to a certain extent.

[0041] refer to Figure 2A sealing ring 17 is attached to the right side of the medicine tank 1 at the point where the wire rope 1103 passes through. By setting the sealing ring 17, the adverse effects of the external environment on the medicine in the medicine tank 1 can be reduced.

[0042] Brief description of the usage process: As the piston plate 5 moves downward, it carries the steel wire rope 1103 downward. Under the action of the pulley 1102, the steel wire rope 1103 pulls the support plate 1104 and the mixing plate 1105 towards the inside of the medicine tank 1. During the movement of the mixing plate 1105 towards the inside of the medicine tank 1, turbulence is created in the medicine to a certain extent. As the piston plate 5 moves upward, it carries the steel wire rope 1103 upward. Under the action of the pulley 1102, the steel wire rope 1103 pushes the support plate 1104 and the mixing plate 1105 towards the outside of the medicine tank 1. During the movement of the mixing plate 1105 towards the outside of the medicine tank 1, turbulence is created in the medicine again to a certain extent. This process effectively mixes the medicine to a certain degree.

[0043] It should be noted that parts have a lifespan and can be replaced during regular maintenance when they no longer meet performance requirements. Deterioration in performance due to prolonged use of parts is not a design defect of this application.

[0044] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A device for automatic addition of PCB liquid medicine, comprising a liquid medicine tank (1), characterized in that: A medicine storage cylinder (2) is bolted to the left side of the top of the medicine tank (1). A medicine inlet pipe (3) is fixedly connected to the top of the medicine storage cylinder (2). Several medicine outlet pipes (4) are fixedly connected to the bottom of the medicine storage cylinder (2). The other end of the medicine outlet pipe (4) extends into the interior of the medicine tank (1). A piston plate (5) is provided inside the medicine tank (1). Several blocking blocks (6) are bolted to the top of the piston plate (5) directly below the medicine outlet pipe (4). A blocking column (7) is bolted to the top of each blocking block (6). The surface of the blocking column (7) is slidably connected to the interior of the medicine outlet pipe (4). A medicine inlet groove (8) is opened on the right side of the top of the piston plate (5). A connecting rod (9) is bolted to the bottom of the piston plate (5). A float plate (10) is fixedly connected to the bottom of the connecting rod (9). A mixing mechanism (11) is provided on the right side of the medicine tank (1).

2. The automatic liquid adding device for PCB according to claim 1, characterized in that: The mixing mechanism (11) includes a support rod (1101), one end of which is bolted to the right side of the medicine tank (1). There are two support rods (1101). The opposite sides of the two support rods (1101) are rotatably connected to a pulley (1102) via a bearing. A steel wire rope (1103) is attached to the right side of the top of the piston plate (5). The surface of the steel wire rope (1103) is wrapped around the surface of the pulley (1102). The other end of the steel wire rope (1103) is attached to a support plate (1104). A mixing plate (1105) is bolted to the left side of the support plate (1104). The left side of the mixing plate (1105) extends into the interior of the medicine tank (1). A sealing strip (1106) is adhered to the mixing plate (1105) at the penetration point of the medicine tank (1).

3. The automatic PCB chemical dosing device according to claim 1, characterized in that: The piston plate (5) has a drug inlet hole (12) on the left side of its top.

4. The automatic liquid adding device for PCB according to claim 1, characterized in that: A cover plate (13) is hinged to the right side of the top of the medicine tank (1), and a handle (14) is welded to the top of the cover plate (13).

5. The automatic liquid adding device for PCB according to claim 1, characterized in that: The surface of the inlet tube (3) is threaded with a sealing cap (15), and a handle (16) is bolted to the top of the sealing cap (15).

6. The automatic liquid adding device for PCB according to claim 2, characterized in that: A sealing ring (17) is attached to the right side of the medicine tank (1) at the point where the wire rope (1103) passes through.

7. The automatic liquid adding device for PCB according to claim 1, characterized in that: The medicine tank (1) has guide grooves (18) on all four sides, and guide blocks (19) are bolted to all four sides of the piston plate (5). The side of the guide block (19) away from the piston plate (5) is slidably connected to the inner wall of the guide groove (18).

8. The automatic PCB chemical dosing device according to claim 1, characterized in that: The medicine storage cylinder (2) is configured as a transparent cylinder.

Images