Membrane Switch Magic: Tactile Interfaces Elevate STEM Learning in Children’s Toy Cash Registers

Children’s supermarket cashier toy is a simulated cash register toy designed for children, which aims to simulate the scenes of supermarket shopping and cashiering, so that children can learn and experience while playing.

This toy usually adopts a simulation design, and its appearance and functions are similar to those of a real cash register, including scanning, calculation, cashiering and other functions, so that children can feel the real shopping experience while playing. In addition to the basic cashier function, some children’s supermarket cashier toys also have other functions, such as weighing, swiping cards, voice interaction, etc., which increase the fun and interactivity of the toys

The membrane switch product introduced today is used for children’s supermarket cashier toys.

In terms of appearance design, a bright color scheme is used: the eye-catching red is the background, and the stacking of bright colors can stand out in the eyes of children. The panel buttons are evenly distributed, using white and light tones, which contrasts sharply with the red background.

The process flow of this toy cash register membrane switch is the following steps:

1. Substrate preparation

This membrane switch substrate usually uses PC soft material. It has good insulation, heat resistance, mechanical strength and transparency, and is an ideal choice for making membrane switches. When preparing the substrate, it needs to be cut into a fixed size according to the design requirements of the membrane switch.

2. Printing process

Printing is one of the key steps in the production of this membrane switch, using screen printing technology. Screen printing has the characteristics of clear patterns, bright colors, and strong adaptability, which is very suitable for panel printing of membrane switches.

Make a screen printing plate: According to the design pattern and requirements of the toy cashier membrane switch interface, make the corresponding screen printing plate. The production quality of the screen printing plate directly affects the printing effect, so it is necessary to select high-quality screens and plate making processes.

Panel printing: The ink is printed onto the substrate through the screen printing plate to form a color pattern and text. During the printing process, it is necessary to control parameters such as the viscosity of the ink, printing pressure, and scraper speed to ensure the stability and consistency of the printing quality.

Drying treatment: After printing, drying treatment is required to solidify the ink and firmly bond it to the substrate. The drying temperature and time need to be adjusted according to the ink type and substrate characteristics.

3. Circuit production

After the color printing is completed, the circuit is made. The circuit layer is usually printed on the substrate with conductive ink to form a switch circuit pattern. After the conductive ink is printed, it also needs to be dried to ensure the conductivity and stability of the circuit.

IV. Assembly and bonding

Assembly components: Assemble the printed panel with the circuit layer, cushioning layer and other components. During the assembly process, it is necessary to ensure that the positions of each component are accurate and firmly bonded.

Bonding surface: Bond the assembled membrane switch to the surface to be bonded. Before bonding, the bonding surface needs to be cleaned to ensure that it is flat, rust-free, oil-free and dust-free. When bonding, pay attention to the angle and strength to avoid bubbles and wrinkles.

V. Inspection and testing

After the bonding is completed, the membrane switch needs to be inspected and tested to ensure that its performance and quality meet the requirements. The inspection content includes appearance inspection, key feel test, conductivity test, etc.

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