Frozen Food Machinery Packaging Machine
The utility model discloses a quick-frozen food packaging system, which comprises a packaging machine and a refrigerating box body with a horizontal channel. A horizontal conveying belt is arranged in the horizontal channel. Both ends of the horizontal conveying belt exceed the horizontal channel. The direction is front, the packaging machine is set in front of the refrigeration box, the worktable of the packaging machine is flush with the horizontal conveying belt, and the refrigeration box is connected with a plurality of cool air input pipes for inputting cool air into the horizontal channel, which is located in the refrigeration box. The front end surface of the box body is provided with a baffle plate for blocking the forward transmission of the support frame on the horizontal conveyor belt and a driving cylinder for driving the baffle plate to move up and down. The beneficial effects of the utility model are that the freezing is quick, the quick freezing is uniform, the quick freezing time is shortened, the quick freezing effect is improved, the automatic refrigeration and packaging are realized, the freezing energy consumption is low, and the occupied space is small. Main claim: 1. A quick-frozen food packaging system, characterized in that: comprising a packaging machine (7) and a refrigeration box (2) with a horizontal channel (1), and a horizontal conveying belt (3) is arranged in the horizontal channel (1). ), both ends of the horizontal conveyor belt (3) are beyond the horizontal channel (1), and the direction of the horizontal conveyor belt (3) conveying the material is the front, the packaging machine (7) is set in front of the refrigeration box (2), and the packaging machine (7) is set in front of the refrigerating box (2). The working table of the machine (7) is flush with the horizontal conveyor belt (3), and a plurality of cool air input pipes (4) for inputting cool air into the horizontal channel (1) are connected to the refrigeration box (2). A support frame (5) is placed on the conveying belt, and the support frame (5) includes a plate body for storing food and four support feet arranged at the lower part of the plate body, and the four support feet are located on four parts of the plate body. At the corners, and the two feet on the same side are located on the same straight line, the conveyor belt is provided with a strip groove (6) for accommodating the feet, and the upper surface of the plate body is provided with a shape corresponding to the food to be placed. The matching groove, located on the front end surface of the refrigeration box (2), is provided with a baffle plate (8) and a driving baffle plate (8) that obstruct the forward transmission of the support frame (5) on the horizontal conveyor belt (3). ) Frozen food with a driving cylinder that moves up and down refers to food with qualified food raw materials that have been properly processed, frozen at minus 30°C, and stored and circulated at minus 18°C u200bu200bor higher after packaging. Because the whole process adopts low-temperature cold chain collection, this kind of food has the characteristics of long shelf life, not easy to rot, and convenient to eat, but it also puts forward greater and higher requirements for packaging materials. Frozen food is generally packaged in a combination of soft and hard: soft plastic bag + corrugated box. Based on this, the following will study the consequences and treatment plans of the demand for frozen packaging. After the food is packaged, it is put into the corrugated box and then enters the storage and transportation link. The temperature of the cold storage is generally set at - 18 ℃ ~ - 24 ℃. After the carton is put in, it gradually absorbs the moisture, and the moisture balance can be reached after 4 days on weekdays. According to relevant literature, when the carton reaches the moisture balance, its water content is 2% to 3% higher than that in the dry shape, and the edge compressive strength, compressive strength and adhesive strength of the carton decrease with the addition of time. The difference is reduced by 31%, 50% and 21%, which means that after entering the cold storage, the mechanical strength of the carton will be inevitably affected, revealing the potential risk of collapse in the early stage. During the transportation of food from the cold storage to the sales location, after repeated loading and unloading operations, the constant change of temperature difference causes the water vapor in the air around the box to condense on the surface of the carton. 23% to 25%, at this time, the mechanical strength of the carton can be further damaged, increasing the probability of collapse of the box. In addition, in the carton stacking process, the lower carton will exert continuous static pressure on the lower carton. When the compressive capacity of the carton is reduced due to moisture absorption, the bottom carton will begin to deform and collapse. According to statistics, the collapse of cartons caused by moisture absorption and ultra-high stacking is the cause.
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