Developing liquid adding device

Abstract

The utility model relates to the technical field of developing liquid medicine adding, in particular to a developing liquid medicine adding device which comprises a spraying chamber, a spraying pipeline and a roller way are arranged in the spraying chamber; a glass and flow sheet sensing counting device is arranged on the roller way; the spraying pipeline is connected with a liquid medicine tank and a concentration detection device; the liquid medicine tank is connected with a liquid medicine adding device; the liquid medicine adding device is connected with an adding groove; the tape-out induction counting device is connected with a controller; the controller is connected with the concentration detection device and the liquid medicine adding device; the flow sheet sensing and counting device on the roller way detects the flow sheet quantity of the glass, and the controller sprays quantitative liquid medicine to the glass through the spraying pipeline according to the flow sheet quantity; the concentration detection device detects the concentration of liquid medicine in the liquid medicine groove, when the concentration of the liquid medicine in the liquid medicine groove is low, the adding groove adds the liquid medicine into the liquid medicine groove, the amount of the liquid medicine sprayed to the glass can be accurately controlled, and the concentration of the liquid medicine is kept at a set value.

Description

Technical Field

[0001] This utility model relates to the field of developing agent addition technology, specifically, to a developing agent addition device. Background Technology

[0002] In the glass production process of products such as touch screens, it is necessary to use chemical solutions to develop the products. The existing pump addition method cannot accurately control the amount of chemical solution added, which can easily lead to incomplete development and overdevelopment of the products, failing to meet the process and quality requirements. From a process perspective, it cannot meet the special process requirements of some products, and from a quality perspective, there are risks such as incomplete development, resulting in cost losses such as product yield, scrap, and rework.

[0003] The applicant discovered through a search that Chinese patent document with application number 202120013094.1, published on October 29, 2021, discloses a developer solution addition device for PCB developing process, relating to the field of printed circuit board production. The device includes a main body, a support device, a clamping device, a spraying device, and a rotating device. The spraying device includes a storage tank, a water pump, an inlet pipe, and a spraying pipe. The lower surface of the storage tank is connected to the upper surface of the base plate, one end of the water pump is connected to the upper surface of the storage tank, the other end of the water pump is connected to one end of the inlet pipe, and the other end of the inlet pipe is connected to one end of the spraying pipe. This device also fails to solve the aforementioned technical problem.

[0004] Therefore, in order to improve or solve at least one of the above problems, it is necessary to provide a developer solution addition device that can accurately control the amount of developer solution added. Utility Model Content

[0005] The purpose of this invention is to provide a developer solution adding device that can precisely control the amount of developer solution added.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a developing solution adding device, including a spray chamber; the spray chamber is provided with a spray pipe and a roller conveyor; the roller conveyor is provided with a glass and a sheet-flow sensing and counting device; the spray pipe is connected to a solution tank and a concentration detection device; the solution tank is connected to a solution adding device; the solution adding device is connected to an adding tank; the sheet-flow sensing and counting device is connected to a controller; the controller is connected to the concentration detection device and the solution adding device.

[0007] The roller conveyor includes multiple rollers; the glass is disposed on the top of the rollers; the sheet-flow sensing and counting device includes a photoelectric sensor; the sheet-flow sensing and counting device is disposed between adjacent rollers; the sheet-flow sensing and counting device is disposed at the bottom of the glass.

[0008] The spray pipe includes a spray section; the spray section is located on top of the glass.

[0009] The spray pipe includes a connecting section; one end of the connecting section is connected to the spray section, and the other end of the connecting section is connected to the liquid tank; a delivery pump is provided at the end of the connecting section near the liquid tank; the concentration detection device includes an online conductivity meter; the online conductivity meter is connected to the connecting section.

[0010] A connecting pipe is provided between the medicine tank and the addition tank; the medicine addition device includes an addition pump; the addition pump is located on the connecting pipe.

[0011] The controller is a PLC controller; the controller is connected to the wafer induction counting device, the online conductivity meter, the delivery pump, and the addition pump.

[0012] The spray section is equipped with multiple nozzles.

[0013] The beneficial effects of this utility model are as follows:

[0014] Glass sheets are flowed on roller conveyors; a flow counting device on the roller conveyor detects the number of glass sheets flowed and sends the number to the controller. The controller sprays a fixed amount of chemical solution onto the glass through a spray pipe based on the flow rate. A concentration detection device detects the concentration of the chemical solution in the chemical solution tank and sends the concentration information to the controller. When the concentration of the chemical solution in the tank is low, a replenishment tank adds chemical solution to the tank to ensure that the concentration meets the standard. Thus, this device can accurately control the amount of chemical solution sprayed onto the glass and maintain the chemical solution concentration at the set value, effectively improving incomplete development and overdevelopment abnormalities. Attached Figure Description

[0015] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, wherein:

[0016] Figure 1 This is a schematic diagram of the developing solution adding device of this utility model.

[0017] The markings in the above figures are all:

[0018] The diagram is marked as follows:

[0019] 1. Spray room,

[0020] 2. Sprinkler piping, 201. Sprinkler section, 202. Connecting section.

[0021] 3. Roller conveyor, 301 roller shaft,

[0022] 4. Glass

[0023] 5. Chip fabrication induction counting device,

[0024] 6. Medicine solution tank; 601. Transfer pump; 602. Online conductivity meter.

[0025] 7. Add a tank; 701. Connect the pipe; 702. Add a pump.

[0026] 8. Controller. Detailed Implementation

[0027] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, in order to help those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of this utility model, and to facilitate its implementation.

[0028] Figure 1 The developer solution adding device shown includes a spray chamber 1; the spray chamber 1 is provided with a spray pipe 2 and a roller conveyor 3; the roller conveyor 3 is provided with a glass 4 and a sheet flow sensor counting device 5; the spray pipe 2 is connected to a solution tank 6 and a concentration detection device; the solution tank 6 is connected to a solution adding device; the solution adding device is connected to an adding tank 7; the sheet flow sensor counting device 5 is connected to a controller 8; the controller 8 is connected to the concentration detection device and the solution adding device.

[0029] Glass 4 is rolled onto roller conveyor 3; the roll count device 5 on roller conveyor 3 detects the number of rolls of glass 4 and sends the number of rolls of glass 4 to controller 8. Controller 8 sprays a quantitative amount of chemical solution onto glass 4 through spray pipe 2 according to the roll volume; the concentration detection device detects the concentration of chemical solution in chemical solution tank 6 and sends the chemical solution concentration information to controller 8. When the concentration of chemical solution in chemical solution tank 6 is low, the addition tank 7 adds chemical solution to chemical solution tank 6 to ensure that the concentration of chemical solution meets the standard. Thus, this device can accurately control the amount of chemical solution sprayed onto glass 4 and maintain the concentration of chemical solution at the set value, effectively improving incomplete development and overdevelopment abnormalities.

[0030] The roller conveyor 3 includes multiple rollers 301; the glass 4 is disposed on the top of the rollers 301; the sheet-flow sensing and counting device 5 includes a photoelectric sensor; the sheet-flow sensing and counting device 5 is disposed between adjacent rollers 301; the sheet-flow sensing and counting device 5 is disposed at the bottom of the glass 4.

[0031] The roller conveyor 3 includes a support frame; multiple rollers 301 are mounted on the support frame; the rollers 301 are connected to motors; the rollers 301 can rotate flexibly, thereby driving the glass 4 to flow; the flow sheet sensing and counting device 5 is located between two rollers 301. The flow sheet sensing and counting device 5 can be a photoelectric sensor. The photoelectric sensor is located at the bottom of the glass 4. When the glass 4 flows through, it will block the light emitted by the photoelectric sensor, so that it cannot receive the light or the intensity of the received light changes, thereby generating an electrical signal change. This change can be detected by the circuit and converted into a counting signal. The flow sheet sensing and counting device 5 sends the signal to the controller 8 to count the number of glass 4 flow sheets.

[0032] The spray pipe 2 includes a spray section 201; the spray section 201 is located on top of the glass 4.

[0033] The spray section 201 is a hollow tube structure; the spray section 201 is located above the glass 4, and the spray section 201 is equipped with nozzles; multiple nozzles are evenly arranged at the bottom of the spray section 201; the spray section 201 sprays developing solution onto the glass 4 through the nozzles.

[0034] The spray pipe 2 includes a connecting section 202; one end of the connecting section 202 is connected to the spray section 201, and the other end of the connecting section 202 is connected to the liquid tank 6; a delivery pump 601 is provided at the end of the connecting section 202 near the liquid tank 6; the concentration detection device includes an online conductivity meter 602; the online conductivity meter 602 is connected to the connecting section 202.

[0035] Adding tank 7 provides developing solution to developing tank 6; developing solution and water need to be mixed in developing tank 6 to form a developing solution of a specific concentration; delivery pump 601 is turned on to deliver the developing solution in developing tank 6 to spray pipe 2; online conductivity meter 602 is connected to the end of spray pipe 2 near developing tank 6 and can detect the concentration of developing solution in spray pipe 2. When electrolyte is present in the developing solution, ions move directionally under the action of an electric field to form an electric current. The conductivity of the developing solution is related to factors such as the type, concentration, mobility of ions, and solution temperature; online conductivity meter 602 has two built-in electrodes. After applying AC voltage, the developing solution between the electrodes acts as a conductive medium, and the movement of ions generates an electric current. The meter detects the magnitude of the current and, based on the pre-established correspondence between conductivity and developing solution concentration, converts the measured conductivity data into the corresponding developing solution concentration value, and displays and outputs it in real time, realizing dynamic monitoring of developing solution concentration.

[0036] A connecting pipe 701 is provided between the medicine tank 6 and the addition tank 7; the medicine addition device includes an addition pump 702; the addition pump 702 is located on the connecting pipe 701.

[0037] The addition pump 702 can transport the developing solution in the addition tank 7 to the solution tank 6; the solution and water are mixed in the solution tank 6 and then flow out from the solution tank 6.

[0038] The controller 8 is a PLC controller; the controller 8 is connected to the wafer induction counting device 5, the online conductivity meter 602, the delivery pump 601 and the addition pump 702.

[0039] The controller 8 receives and processes the glass 4 sheet quantity information sent by the sheet counting device 5 in real time. The controller 8 can control the delivery pump 601 to deliver a specified amount of chemical solution to the spray pipe 2 according to the set sheet quantity. The online conductivity meter 602 monitors the chemical solution concentration in real time. When the chemical solution concentration output by the chemical solution tank 6 is lower than the set value, the controller 8 adds the set amount of chemical solution. The controller 8 controls the addition pump 702 to add developing chemical solution to the chemical solution tank 6 to ensure that the chemical solution concentration output by the chemical solution tank 6 meets the standard.

[0040] Multiple nozzles are installed on the spray section 201.

[0041] The specific workflow of this utility model is as follows:

[0042] The controller 8 receives and processes the glass 4 sheet quantity information sent by the sheet counting device 5 in real time. The controller 8 can control the delivery pump 601 to deliver a specified amount of chemical solution to the spray pipe 2 according to the set sheet quantity. The online conductivity meter 602 monitors the chemical solution concentration in real time. When the chemical solution concentration output by the chemical solution tank 6 is lower than the set value, the controller 8 adds the set amount of chemical solution. The controller 8 controls the addition pump 702 to add developing chemical solution to the chemical solution tank 6 to ensure that the chemical solution concentration output by the chemical solution tank 6 meets the standard.

[0043] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of the present invention; or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A developing solution adding device, characterized in that: The system includes a spray chamber (1); the spray chamber (1) is provided with a spray pipe (2) and a roller conveyor (3); the roller conveyor (3) is provided with a glass (4) and a flow sheet induction counting device (5); the spray pipe (2) is connected to a liquid tank (6) and a concentration detection device; the liquid tank (6) is connected to a liquid addition device; the liquid addition device is connected to an addition tank (7); the flow sheet induction counting device (5) is connected to a controller (8); the controller (8) is connected to the concentration detection device and the liquid addition device.

2. A developing agent addition device according to claim 1, characterized in that: The roller conveyor (3) includes multiple rollers (301); the glass (4) is disposed on the top of the rollers (301); the sheet induction counting device (5) includes a photoelectric sensor; the sheet induction counting device (5) is disposed between adjacent rollers (301); the sheet induction counting device (5) is disposed at the bottom of the glass (4).

3. A developing agent addition device according to claim 2, characterized in that: The spray pipe (2) includes a spray section (201); the spray section (201) is located on top of the glass (4).

4. A developing agent adding device according to claim 3, characterized in that: The spray pipe (2) includes a connecting section (202); one end of the connecting section (202) is connected to the spray section (201), and the other end of the connecting section (202) is connected to the liquid tank (6); a delivery pump (601) is provided at the end of the connecting section (202) near the liquid tank (6); the concentration detection device includes an online conductivity meter (602); the online conductivity meter (602) is connected to the connecting section (202).

5. A developing agent addition device according to claim 4, characterized in that: A connecting pipe (701) is provided between the medicine tank (6) and the addition tank (7); the medicine addition device includes an addition pump (702); the addition pump (702) is located on the connecting pipe (701).

6. A developing agent adding device according to claim 5, characterized in that: The controller (8) is a PLC controller; the controller (8) is connected to the wafer induction counting device (5), the online conductivity meter (602), the delivery pump (601) and the addition pump (702).

7. A developing agent addition device according to any one of claims 3-6, characterized in that: The spray section (201) is equipped with multiple nozzles.

Images