Oil chili and watermelon sauce vacuum capping machine is an important equipment in food packaging machinery, 

used for capping various bottled foods to ensure product sealing and freshness. The production process of such equipment is roughly as follows:

一、 Design stage of vacuum capping machine for oil chili and watermelon sauce：
1. Requirement analysis: Determine the functions, performance indicators, and structural characteristics of the capping machine based on market demand and customer requirements.
2. Scheme design: Based on the requirements analysis results, the designers design the overall structure, electrical control system, transmission system, etc. of the capping machine.
3. Component design: Detailed design of various components of the capping machine, including the frame, capping head, transmission device, etc.

二、 Manufacturing stage of vacuum capping machine for oil chili and watermelon sauce：
1. Material procurement: Procure the required raw materials and components based on the design results of the parts.
2. Mechanical processing: Cutting, drilling, milling, grinding and other mechanical processing of raw materials to form various components.
3. Assembly: Assemble the processed components to form the overall framework of the capping machine.
4. Installation and commissioning of electrical control system: Install the electrical control system, including motors, sensors, PLC controllers, etc., 

and carry out commissioning to ensure that the capping machine can work normally.

三、 Testing and production debugging stage of vacuum capping machine for oil chili and watermelon sauce
1. Functional testing: Conduct various functional tests on the capping machine, including capping force, capping speed, sealing performance, etc., to ensure that it meets the design requirements.

2. Production debugging: Conduct production debugging on the production line, simulate the actual production environment, 

and conduct long-term operation testing on the capping machine to ensure its stability and reliability.

四、 Product manufacturing and after-sales service：
1. Product factory: After strict testing and debugging, the capping machine can be sold from the factory.
2. After sales service: Provide customers with technical consultation, installation guidance, maintenance services and other after-sales support

Overall, the production process of oil chili and watermelon sauce vacuum capping machines involves multiple stages such as design, manufacturing, testing and production debugging, 

as well as after-sales service, requiring a professional technical team and advanced production equipment to ensure product quality and performance