Automatic heating and adding device of screen printing machine

Abstract

The utility model discloses an automatic heating and adding device of a screen printing machine, which comprises a pneumatic stirring device, a constant-temperature ink cylinder, an automatic constant-temperature display control human-computer interface, a PLC (Programmable Logic Controller) automatic control execution module, an automatic constant-temperature heating module, an automatic constant-temperature heating control module and a pneumatic automatic adding diaphragm pump, an automatic constant-temperature heating module, a pneumatic automatic adding diaphragm pump and a pneumatic stirring device are installed on the constant-temperature ink cylinder, the automatic constant-temperature display control man-machine interface is connected with the pneumatic stirring device and the PLC automatic control execution module, and the PLC automatic control execution module is connected with the automatic constant-temperature heating control module and the pneumatic automatic adding diaphragm pump. And the automatic constant-temperature heating control module is connected with the automatic constant-temperature heating module. The device is high in automation degree, and the product quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of screen printing machine technology, and in particular to an automatic heating and adding device for screen printing machines. Background Technology

[0002] In existing technology, screen printing machines mainly consist of a paper feeding unit, a positioning unit, an ink supply unit, a drying system, and a humidifying paper collection system. Current production requires the use of pearlescent shell ink for image transfer. Due to the transfer characteristics of the ink, screen printing machines need to continuously add small amounts of pearlescent shell ink to the ink plate during normal production. During this addition process, the temperature of the pearlescent shell ink must be maintained. If the interval between additions is long and the amount of ink is large, the finished product will exhibit significant color deviation and a low transfer effect. If the operator adds pearlescent shell ink frequently without maintaining a stable temperature, the transferred product will have an overly bright color and obvious contrast. Furthermore, the operator frequently removes excess ink via a transmission mechanism, increasing their workload and causing large color errors in the transferred images, resulting in a large number of defective products. This seriously affects the equipment's production speed and quality requirements, causing a large amount of waste and severely impacting delivery time. Therefore, we propose an automatic heating and adding device for screen printing machines to solve this problem. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing an automatic heating and adding device for a screen printing machine.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] An automatic heating and adding device for a screen printing machine includes a pneumatic stirring device, a constant temperature ink cylinder, an automatic constant temperature display and control human-machine interface, a PLC automatic control execution module, an automatic constant temperature heating module, an automatic constant temperature heating control module, and a pneumatic automatic adding diaphragm pump. The automatic constant temperature heating module, the pneumatic automatic adding diaphragm pump, and the pneumatic stirring device are installed on the constant temperature ink cylinder. The automatic constant temperature display and control human-machine interface is connected to the pneumatic stirring device and the PLC automatic control execution module. The PLC automatic control execution module is connected to the automatic constant temperature heating control module and the pneumatic automatic adding diaphragm pump. The automatic constant temperature heating control module is connected to the automatic constant temperature heating module.

[0006] Preferably, the automatic constant temperature display and control human-machine interface is used to set the rotation speed of the pneumatic stirring device.

[0007] Preferably, the pneumatic stirring device and the pneumatic automatic diaphragm pump are respectively connected to the pneumatic pressure regulating module.

[0008] Preferably, the pneumatic automatic diaphragm pump is used to output the stirred ink.

[0009] Preferably, the automatic constant temperature heating control module is used to control the automatic constant temperature heating module to heat the ink inside the constant temperature ink cylinder at a constant temperature.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] In this invention, the pearlescent shell ink in the thermostatic ink cylinder is heated to a constant temperature, allowing for temperature adjustments based on product suitability. Since the pearlescent shell ink requires continuous stirring, a pneumatic stirring device is used for long-term effective ink mixing; the speed of this device is adjustable. An automatic pneumatic diaphragm pump is employed for automatic ink addition between the screen and the doctor blade, using a multi-channel addition method to ensure even ink flow into the screen. The ink addition and stop time are controlled and set via a PLC automatic control module, ensuring uniform ink addition within the screen printing frame and guaranteeing consistent and stable print quality. Attached Figure Description

[0012] Figure 1 This is a diagram illustrating the composition of an automatic heating and adding device for a screen printing machine according to this utility model.

[0013] In the diagram: 1. Pneumatic stirring device; 2. Thermostatic ink cylinder; 3. Automatic pneumatic pressure regulation module; 4. Thermostatic display and control human-machine interface; 5. PLC automatic control execution module; 6. Automatic thermostatic heating module; 7. Automatic thermostatic heating control module; 8. Pneumatic automatic diaphragm pump. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0015] Reference Figure 1An automatic heating and adding device for a screen printing machine includes a pneumatic stirring device 1, a constant temperature ink cylinder 2, an automatic constant temperature display and control human-machine interface 4, a PLC automatic control execution module 5, an automatic constant temperature heating module 6, an automatic constant temperature heating control module 7, and a pneumatic automatic adding diaphragm pump 8. The automatic constant temperature heating module 6, the pneumatic automatic adding diaphragm pump 8, and the pneumatic stirring device 1 are installed on the constant temperature ink cylinder 2. The automatic constant temperature display and control human-machine interface 4 is connected to the pneumatic stirring device 1 and the PLC automatic control execution module 5, respectively. Module 5 is connected to the automatic constant temperature heating control module 7 and the pneumatic automatic diaphragm pump 8. The automatic constant temperature heating control module 7 is connected to the automatic constant temperature heating module 6. The automatic constant temperature display and control human-machine interface 4 is used to set the speed of the pneumatic stirring device 1. The pneumatic stirring device 1 and the pneumatic automatic diaphragm pump 8 are respectively connected to the pneumatic pressure regulating module 3. The pneumatic automatic diaphragm pump 8 is used to output the stirred ink. The automatic constant temperature heating control module 7 is used to control the automatic constant temperature heating module 6 to heat the ink inside the constant temperature ink cylinder 2 at a constant temperature.

[0016] Working principle: When ink is added into the thermostatic ink cylinder 2, the PLC automatic control execution module 5 controls the automatic thermostatic heating module 6 to heat the ink inside the thermostatic ink cylinder 2 at a constant temperature through the automatic thermostatic heating control module 7. At the same time, the PLC automatic control execution module 5 controls the speed of the pneumatic stirring device 1 through the automatic thermostatic display and control human-machine interface 4 to better stir the ink. After stirring is completed, the PLC automatic control execution module 5 controls the pneumatic automatic diaphragm pump 8 to output ink to the designated position.

[0017] The pearlescent shell ink in the thermostatic ink tank 2 is kept at a constant temperature by heating it, allowing for temperature adjustments based on product suitability. Since the pearlescent shell ink requires constant stirring, a pneumatic stirring device is used for long-term effective ink mixing; the speed of this device is adjustable. An automatic pneumatic diaphragm pump is used to automatically add the pearlescent shell ink between the screen and the doctor blade, ensuring even flow of the ink into the screen through multiple addition channels. The ink addition and stop time are controlled and set by the PLC automatic control module 5, ensuring uniform addition of the ink to the screen printing frame and guaranteeing consistent and stable print quality.

[0018] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An automatic heating and adding device for a screen printing machine, comprising a pneumatic stirring device (1), a constant temperature ink cylinder (2), an automatic constant temperature display and control human-machine interface (4), a PLC automatic control execution module (5), an automatic constant temperature heating module (6), an automatic constant temperature heating control module (7), and a pneumatic automatic adding diaphragm pump (8), characterized in that, The constant temperature ink cylinder (2) is equipped with an automatic constant temperature heating module (6), a pneumatic automatic diaphragm pump (8), and a pneumatic stirring device (1). The automatic constant temperature display and control human-machine interface (4) is connected to the pneumatic stirring device (1) and the PLC automatic control execution module (5) respectively. The PLC automatic control execution module (5) is connected to the automatic constant temperature heating control module (7) and the pneumatic automatic diaphragm pump (8). The automatic constant temperature heating control module (7) is connected to the automatic constant temperature heating module (6).

2. The automatic heating and adding device for a screen printing machine according to claim 1, characterized in that, The automatic constant temperature display and control human-machine interface (4) is used to set the rotation speed of the pneumatic stirring device (1).

3. The automatic heating and adding device for a screen printing machine according to claim 1, characterized in that, The pneumatic stirring device (1) and the pneumatic automatic diaphragm pump (8) are respectively connected to the pneumatic pressure regulating module (3).

4. The automatic heating and adding device for a screen printing machine according to claim 1, characterized in that, The pneumatic automatic diaphragm pump (8) is used to output the stirred ink.

5. The automatic heating and adding device for a screen printing machine according to claim 1, characterized in that, The automatic constant temperature heating control module (7) is used to control the automatic constant temperature heating module (6) to heat the ink inside the constant temperature ink cylinder (2) at a constant temperature.

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