CN211019466U - Chemical liquid supply system of horizontal wet processing equipment - Google Patents
Chemical liquid supply system of horizontal wet processing equipment Download PDFInfo
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- CN211019466U CN211019466U CN201922052819.3U CN201922052819U CN211019466U CN 211019466 U CN211019466 U CN 211019466U CN 201922052819 U CN201922052819 U CN 201922052819U CN 211019466 U CN211019466 U CN 211019466U
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Abstract
The utility model provides a liquid medicine feed system of wet processing procedure equipment of horizontal, including horizontal main equipment unit that has a plurality of groove rooms side by side according to the preface and add the unit including the multiunit by the liquid medicine adds groove, the liquid medicine of the measurement structure that measuring cup and liquid level ball float subassembly formed. The chemical liquid adding tank is arranged on the tank chamber. The mounting position of the measuring cup is lower than the liquid medicine adding groove. A piston with adjustable height is arranged in the measuring cup, a measuring space is formed below the piston, a liquid supply pipe and a liquid conveying pipe are additionally arranged on the measuring cup and communicated with the measuring space, and the liquid supply pipe is connected between the liquid medicine adding groove and the measuring cup; the infusion tube is connected between the metering cup and the equipment tank of the tank chamber; the liquid level floating ball component is arranged on the measuring cup and is communicated with the measuring space; by this, the feed tube is opened, and the transfer line is closed, and liquid medicine adds inslot liquid medicine and can utilize gravity to flow to the measuring cup, triggers liquid level floater subassembly and makes the feed tube close after filling the measurement space, later opens the transfer line in proper time, just can output correct liquid volume that adds.
Description
Technical Field
The utility model relates to a technical field of wet processing procedure equipment of horizontal especially indicates a design about liquid medicine supply system, utilizes gravity to let accurate outflow after the liquid medicine measurement, simplifies the structure, reduction equipment cost.
Background
Wet process (Wet process) is a process for manufacturing printed circuit boards by spraying a treating fluid, such as various chemical solutions or pure water, onto the surface of the printed circuit board to remove the glue residue, electroless copper plating, through-hole plating, electroless silver plating, electroless tin plating, electroless nickel gold plating, and other surface modification or cleaning processes.
In the above process, the supply of the chemical solution is very important and is critical to the success of the whole process. The liquid medicine of early horizontal wet process equipment is supplied and is included main equipment unit and liquid medicine interpolation unit, and both keep apart a certain distance each other to connect and supply the liquid medicine with support and pipeline, this lets the equipment occupy the space oversize, and not only the space requirement is higher, and if need install more packing cupboard on the transport.
Referring to FIG. 1, a perspective view of a prior art modified horizontal wet processing apparatus is shown. Comprises a main device 11 and a liquid medicine adding groove 12. The main apparatus 11 includes an apparatus main body 111 and a holder mechanism 112. A set height of the frame is set between the frame 112 and the ground to provide a communicating space inside the frame 112 for receiving the liquid medicine adding tank 12. The chemical solution adding device above the apparatus main body 111 further includes a measuring cup 13 and an adding pump 14. A medicine inlet is arranged on the side wall of the measuring cup 13 and is connected with the adding pump 14; the bottom of the measuring cup 13 is provided with a medicine outlet and is communicated with the chemical main tank; an overflow pipe 15 is arranged in the measuring cup 13, the length of the overflow pipe can be adjusted up and down along the vertical direction, and the lower end of the overflow pipe is communicated with the liquid medicine adding groove 12 through a pipe fitting. The amount of the medicine output from the measuring cup 13 is adjusted in height by the overflow pipe 15.
However, the above structure has the following disadvantages in use:
1. this equipment structure is because of liquid medicine adds groove 12 and sets up in gimbal mechanism 112 below, and equipment operating height rises to 1600mm from original 1100mm, adds the liquid medicine and adds the groove and also bulge backward in gimbal mechanism 112, when causing follow-up desire to maintain equipment rear valve member and pipe fitting, must use extra high ladder. In addition, the ladder must be moved up and down continuously and moved synchronously with the movement to the rear of different equipment slots, which causes troubles and troubles for operators, thus easily reducing maintenance times or ensuring that the maintenance action is not reliable, even omitting the maintenance, and easily influencing the process yield due to pollution for a long time.
2. The chemical liquid adding tank 12 needs to use the adding pump 14 to send the chemical liquid from the lower part to the upper measuring cup 13, and usually uses the measuring pump to provide the appropriate amount of chemical liquid, the price of the measuring pump is high, and the equipment cost is high because a group of horizontal wet processing equipment needs to use several (even tens) measuring pumps.
3. Adding pump 14 when sending out liquid medicine, generally adopting the timing operation, automatic shutdown behind the liquid medicine of sending out in unit interval (several seconds), unnecessary liquid medicine is sent back through overflow pipe 15 in the measuring cup 13 again, but if adding pump 14 trouble and not sending out liquid medicine to discovery easily, only after printed circuit board processing is accomplished, just can discover when the defective products appear, cause a large amount of losses easily.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the main objective of the present invention is to provide a liquid medicine supply system of horizontal wet process equipment, which is mainly to add a tank frame with the liquid medicine, utilize gravity mode to let the liquid medicine naturally flow into the metering cup, and in addition, cooperate with a liquid level float ball assembly to control and stop the opportunity, the whole structure is simple, the metering is accurate, and the equipment cost can be reduced.
In order to achieve the above purpose, the utility model comprises: a main device unit and a chemical liquid adding unit. The main equipment unit comprises a plurality of groove chambers which are arranged side by side in the transverse direction. The liquid medicine adding unit comprises a plurality of groups of metering structures formed by liquid medicine adding grooves, metering cups and liquid level floating ball assemblies. The chemical liquid adding tank is arranged on the tank chamber. The mounting position of the measuring cup is lower than the lowest height of the liquid medicine in the liquid medicine adding tank. The measuring cup is internally provided with a piston with adjustable height, a measuring space is formed below the piston, and a liquid supply pipe and a liquid conveying pipe which are communicated with the measuring space are additionally arranged outside the measuring cup. The liquid supply pipe is connected between the liquid medicine adding groove and the measuring cup. The infusion tube is connected between the measuring cup and the equipment groove of the groove chamber. The liquid level floating ball component is arranged on the measuring cup and communicated with the measuring space. Therefore, the liquid supply pipe is opened, the infusion pipe is closed, the liquid medicine in the liquid medicine adding groove can flow to the measuring cup by utilizing gravity, the liquid level floating ball assembly is triggered after the measuring space is filled, the liquid supply pipe is closed, and then the infusion pipe is opened at proper time to smoothly output correct liquid adding amount.
In the preferred embodiment of the present invention, a screw and a piston are disposed in the measuring cup, the piston is fixed below the screw, a pulling nut is disposed outside the measuring cup, the pulling nut is combined with the screw, and when the pulling nut is pulled, the screw can synchronously drive the piston to ascend or descend, thereby adjusting the height of the piston.
In the preferred embodiment of the present invention, the liquid level float assembly includes a liquid level detection chamber and a liquid level float switch installed therein, the center of the screw has a communication hole therethrough, the liquid level detection chamber is installed on the measuring cup and connected to the screw, and the liquid level detection chamber and the measuring space are connected via the communication hole.
In the preferred embodiment of the present invention, the top of the liquid level detection chamber is further connected to a gas permeable tube, and the gas permeable tube communicates the liquid level detection chamber and the liquid medicine adding groove.
In a preferred embodiment of the present invention, the liquid supply pipe is further provided with a first control valve for controlling the connection or disconnection of the pipe.
In the preferred embodiment of the present invention, the infusion tube is further provided with a second control valve for controlling the communication or interruption of the tube.
In the preferred embodiment of the present invention, a pure water inlet is further disposed on the top of the measuring cup, and a plug capable of locking and sealing is further disposed on the pure water inlet to seal the pure water.
In the preferred embodiment of the present invention, the measuring cup is a transparent tube and has a scale plate on the surface.
In summary, the utility model has the following specific functions:
1. the liquid medicine adding groove of the utility model is moved to the groove chamber of the main equipment unit, and the liquid medicine naturally flows into the measuring cup by utilizing gravity, so that one set of horizontal wet processing equipment can save a plurality of measuring pumps, thereby reducing the equipment cost;
2. the liquid medicine adding tank is moved to the tank chamber of the main equipment unit, so that the working height of the main equipment unit can be reduced, and subsequent maintenance is facilitated;
3. a metering pump is omitted, and the problem that liquid medicine is not output possibly in the prior art is solved;
4. the metering action of the utility model is realized by the mutual matching of the metering cup and the matched liquid level floating ball component, and the liquid can be accurately provided;
5. above the piston in the measuring cup, the utility model discloses the design has the pure water space in addition, can prevent after pouring into the pure water that the chemical crystallization leads to the measurement when the liquid medicine from soaking, or the piston is sealed the seepage problem that probably takes place occasionally, in case take place the seepage problem, also can be because of the discovery that the water level in pure water space descends and is clear, help accurate measurement. And the micro leakage of the pure water can not pollute chemicals and cause quality problems.
The embodiments are described in greater detail below with reference to the drawings and the reference numerals so that those skilled in the art can implement the embodiments after reading the description.
Drawings
FIG. 1 is a perspective view of a conventional horizontal wet processing apparatus;
FIG. 2 is a perspective view of the horizontal wet process apparatus of the present invention;
FIG. 3 is a side view of the horizontal wet process apparatus of the present invention;
FIG. 4 is a partially enlarged schematic view of the horizontal wet process apparatus of the present invention;
FIG. 5 is an enlarged view of the measuring cup and liquid level float assembly of the present invention;
FIG. 6 is a front view of the chemical liquid supply system of the present invention;
FIG. 7 is a schematic sectional view of the chemical liquid supply system of the present invention;
figure 8 is the utility model discloses the inner structure perspective of measuring cup and liquid level ball float subassembly.
Description of reference numerals:
11-a master device; 111-a device body; 112-a support mechanism; 12-a liquid medicine adding tank; 13-a water inlet pipeline; 14-a drain line; 15-a measuring cup; 16-an addition pump; 17-an overflow pipe; a-a master unit; 2-a chamber; 21-operating a groove; 22-equipment tank; b-liquid medicine adding unit; 3-liquid medicine adding tank; 31-a viewing window; 32-liquid level window; 33-liquid medicine replenishing pipeline; 34-liquid level float switch; 4-a measuring cup; 41-a piston; 43-a supply tube; 431-a first control valve; 441-a second control valve; 45-scale plate; 46-a screw; 461-hole; 462-a bi-directional joint; 48-an exhaust pipe; 49-plug; 5-a liquid level float ball component; 51 a liquid level detection chamber; 52-liquid level float switch.
Detailed Description
Fig. 2 and 3 are a perspective view and a side view of the horizontal wet process apparatus according to the present invention. The utility model discloses wet processing procedure equipment of horizontal includes that main equipment unit A and liquid medicine add unit B. The main equipment unit a comprises a plurality of chambers 2 arranged side by side in a lateral sequence. The liquid medicine adding unit B comprises a plurality of groups of metering structures formed by a liquid medicine adding groove 3, a metering cup 4 and a liquid level floating ball assembly 5.
The plurality of chambers 2 of the main equipment unit a are arranged side by side in the lateral direction. Each of the chamber 2 includes at least one of an operation slot 21 and an equipment slot 22. The adjacent operation slots 21 are communicated with each other for the printed circuit board to enter in a horizontal manner, and then the related processes are sequentially performed. The equipment tank 22 is an area where a pipe or a tank is installed, and supplies chemical liquid, cleaning water, cold air, hot air, or the like required for the process. The plurality of tank chambers 2 may be one of a chemical tank, a rinsing tank, a cold air drying tank and a hot air drying tank, and the number, position and sequence of the tanks are arranged according to the required process requirements.
The liquid medicine supply system of the present invention mainly includes a liquid medicine adding unit B installed in a part of the tank chamber 2 as a chemical tank, and providing a predetermined amount of chemical liquid medicine in the process to perform a chemical reaction. As shown in fig. 4 to 5, the chemical solution addition tank 3 is attached to the tank chamber 2. In the present embodiment, the chemical liquid addition tank 3 is provided in the operation tank 21. The measuring cup 4 is arranged at the side of the liquid medicine adding groove 3 and is lower than the lowest height of the liquid medicine in the liquid medicine adding groove 3. A piston 41 with adjustable height is arranged in the measuring cup 4, the height of the piston 41 controls the transfusion quantity, and the measuring space is arranged below the piston 41. A liquid supply pipe 43 and a liquid conveying pipe 44 are arranged outside the measuring cup 4 and communicated with the measuring space. As shown in FIG. 7, the liquid supply tube 43 has one end connected to the bottom of the chemical solution addition tank 3 and the other end connected to the measuring cup 4. A first control valve 431 is installed on the liquid supply pipe 43 to control the communication or interruption of the pipe. In this embodiment, the first control valve 431 is a pinch valve, but it is also possible to use different valve members to control the opening and closing of the tube. The infusion tube 44 is connected at one end to the bottom of the measuring cup 4 and at the other end to the equipment tank 22, and is in communication with the associated liquid supply equipment in the tank. A second control valve 441 is also mounted to the tubing 44 to control the tubing communication or interruption. In this embodiment the second control valve 441 is a pinch valve, although different valves may be used to control the opening and closing of the tube. In this embodiment, the measuring cup 4 is a transparent tube and has a scale plate 45 on the surface thereof for the operator to view the amount of liquid supplied.
The utility model discloses mainly utilize highly being less than the liquid medicine of measuring cup 4 to add groove 3, utilize gravity to let the liquid medicine pour into measuring cup 4 naturally into in, the mode of its operation is: at the same time, only one of the first control valve 431 and the second control valve 441 is opened. For example, when the liquid medicine is to be measured, the second control valve 441 is clamped, the first control valve 431 is opened, and the liquid medicine naturally flows into the measuring space of the measuring cup 4 by gravity. When the liquid medicine is to be discharged, the first control valve 431 is clamped, the second control valve 441 is opened, and the liquid medicine flows downward into the device tank 22 by gravity.
As shown in fig. 4, 6 and 7, a cleaning cap 31 is provided on the top of the chemical solution adding tank 3, and a liquid level window 32 is provided on the side wall for observing the internal chemical solution and liquid level. In addition, the bottom of the chemical liquid adding tank 3 is slightly inclined, which is beneficial to discharging the chemical liquid through the liquid supply pipe 43. The chemical solution adding tank 3 is further provided with a chemical solution replenishing line 33 and a liquid level float switch 34. The liquid medicine replenishing pipeline 33 may be connected to a portable pump for replenishing liquid medicine at proper time.
The operation of the measuring cup 4 and the float bowl set 5 will be described in detail. Please refer to fig. 5 and 8. The measuring cup 4 is internally provided with a piston 41 with adjustable height, and the liquid output quantity is controlled by the height of the piston 41. In this embodiment, the adjusting structure is that a screw rod 46 is provided in the measuring cup 4, and the piston 41 is fixed to the bottom end of the screw rod 46. The exterior of the measuring cup 4 is further provided with a pulling nut 47 screwed with the screw rod 46, when the pulling nut 47 is pulled, the screw rod 46 and the piston 41 will generate synchronous ascending (or descending) displacement, and the height of the piston 41 can be adjusted, thereby adjusting the measuring space under the piston 41.
The liquid level floating ball component 5 installed on the measuring cup 4 is responsible for controlling the operation time of the liquid medicine in and out. The liquid level float unit 5 includes a liquid level detecting chamber 51 and a liquid level float switch 52 installed therein. The screw 46 has a through hole 461 at the center thereof, and the screw 46 is connected to the liquid level detection chamber 51 via a double-tooth joint 462. The double-tooth joint 462 is only used as a connector for fixedly connecting the screw 46 and the liquid level detection chamber 51, and the communication hole 461 communicates the measuring space in the liquid level detection chamber 51 and below the piston 41, so that other similar connectors can be used for the double-tooth joint 462. The top of the liquid level detecting cabin 51 is provided with a vent pipe 48 communicated with the inside. The other end of the air-permeable tube 48 is connected to the chemical solution adding tank 3 at a position close to the top surface (as shown in FIG. 7).
In the above, when the first control valve 431 is opened, the liquid medicine is injected into the metering space below the piston 41 of the measuring cup 4, the excess gas is discharged into the liquid medicine adding tank 3 through the communication hole 461 and the liquid level detection chamber 51, and finally through the vent pipe 48, the liquid medicine is filled in the metering space, the liquid medicine enters the liquid level detection chamber 51 through the communication hole 461, and after contacting the liquid level float switch 52, a signal is triggered, and the first control valve 431 is controlled to clamp and stop supplying liquid, thereby completing the metering operation. When the liquid medicine is to be output, the second control valve 441 is opened, and at this time, air still enters the metering space through the air permeable tube 48, so that the liquid medicine can flow downward into the equipment tank 22 by using gravity, and a related process can be performed.
The utility model discloses an increase the degree of accuracy of measuring cup 4 and prevent that the liquid medicine from flowing at will scurrying, 4 tops of measuring cup are equipped with a pure water filling opening in addition, and it is sealed by stopper 49 lock solid that this place is after the pure water pours into, and the piston 41 top space in the measuring cup 4 just becomes the pure water apotheca. The pure water injection timing is adjusted and fixed after the position of the piston 41 is adjusted. The purpose is that as the upper part of the piston 41 is filled with pure water and sealed by the plug 49, in the subsequent metering process, although the liquid medicine continuously enters and exits the metering space below the piston 41, the liquid medicine cannot easily enter the upper space, so that the metering accuracy is maintained; further, if the sealing effect around the piston 41 is not satisfactory, the liquid medicine is not allowed to flow upward at will.
Synthesize in the above, the utility model discloses wet processing procedure equipment's of horizontal liquid medicine feed system adds the groove 3 with the liquid medicine and sets up on tank room 2, utilizes gravity to let the liquid medicine can pour into the measuring cup 4 naturally in, cooperates 5 controls of liquid level ball float subassembly to stop the opportunity to convenient mode accurate control liquid medicine volume, and the use quantity and the expense of reducible measurement pumping, reduction equipment cost. And the height of the whole equipment is reduced, and the subsequent cleaning and maintenance are more convenient and safer.
The foregoing is illustrative of the preferred embodiments of the present invention, and is not intended to limit the invention in any way, and any modifications or variations of the present invention, which are within the spirit of the invention, are intended to be included within the scope of the invention.
Claims (8)
1. A liquid medicine supply system of horizontal wet processing equipment is characterized by comprising a main equipment unit and a liquid medicine adding unit; the main equipment unit comprises a plurality of tank chambers which are horizontally arranged side by side in sequence, and the liquid medicine adding unit comprises a plurality of groups of metering structures formed by liquid medicine adding tanks, metering cups and liquid level floating ball assemblies; the liquid medicine adding tank is arranged on the tank chamber, and the position of the measuring cup is lower than the lowest height of the liquid medicine in the liquid medicine adding tank; a piston with adjustable height is arranged in the measuring cup, a measuring space is formed below the piston, a liquid supply pipe and a liquid conveying pipe are additionally arranged outside the measuring cup and communicated with the measuring space, and the liquid supply pipe is connected between the liquid medicine adding groove and the measuring cup; the infusion tube is connected between the measuring cup and the equipment tank of the tank chamber; the liquid level float ball component is arranged on the measuring cup and is communicated with the measuring space.
2. The system of claim 1, wherein the measuring cup has a screw therein, the piston is fixedly connected to the screw, and a pulling nut is further provided outside the measuring cup to engage with the screw, such that the screw and the piston are synchronously raised or lowered when the pulling nut is pulled.
3. The chemical liquid supply system according to claim 2, wherein the level float assembly comprises a level sensing chamber and a level float switch mounted thereon, the screw has a communication hole formed at a center thereof, the level sensing chamber is mounted on the measuring cup and connected to the screw, and communicates the interior of the level sensing chamber with the measuring space via the communication hole.
4. The system of claim 3, wherein a gas tube is further connected to the top of the level sensing chamber, the gas tube connecting the level sensing chamber to the chemical solution adding tank.
5. The chemical liquid supply system according to claim 1, wherein the liquid supply pipe is provided with a first control valve for controlling the connection or disconnection of the pipe.
6. The chemical liquid supply system according to claim 1, wherein the liquid transport tube is provided with a second control valve for controlling the connection or disconnection of the tube.
7. The system of claim 1, wherein the measuring cup further comprises a pure water inlet at a top thereof, the pure water inlet having a plug for locking and sealing.
8. The system of claim 1, wherein the measuring cup is a transparent tube and has a scale mark on its surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922052819.3U CN211019466U (en) | 2019-11-25 | 2019-11-25 | Chemical liquid supply system of horizontal wet processing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922052819.3U CN211019466U (en) | 2019-11-25 | 2019-11-25 | Chemical liquid supply system of horizontal wet processing equipment |
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| CN211019466U true CN211019466U (en) | 2020-07-14 |
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| CN201922052819.3U Active CN211019466U (en) | 2019-11-25 | 2019-11-25 | Chemical liquid supply system of horizontal wet processing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112839442A (en) * | 2019-11-25 | 2021-05-25 | 黄信航 | Chemical liquid supply system of horizontal wet processing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112839442A (en) * | 2019-11-25 | 2021-05-25 | 黄信航 | Chemical liquid supply system of horizontal wet processing equipment |
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Effective date of registration: 20230512 Address after: 215000 No. 29, Xixia Road, Yuexi street, Wuzhong Economic Development Zone, Suzhou, Jiangsu Patentee after: Huang Xinxiang Patentee after: Suzhou Xunzhan Technology Co.,Ltd. Address before: Taoyuan City, Taiwan, China Patentee before: Huang Xinhang |