Packaging machine suitable for few-piece packaging

Abstract

The invention relates to the field of disposable hygienic product production equipment, in particular to a packaging machine suitable for few-piece packaging and with high efficiency and low packaging rejection rate. The packaging machine comprises a rack, a bag making production line arranged on the rack, a sanitary towel conveying line and a transferring device connected with the bag making production line and the sanitary towel conveying line. The sanitary towel conveying line comprises a stacking mechanism arranged on the rack and a pushing mechanism used for pushing out products on the stacking mechanism, and the pushing mechanism comprises a servo motor, a cam assembly arranged at the output end of the servo motor and a pushing rod arranged at the output end of the cam assembly. The pushing rod comprises a connecting part with one end connected with the cam assembly in a locking mode and two pushing parts which are arranged at the free end of the connecting part and distributed side by side in the conveying direction of the stacking mechanism, and the two pushing parts are arranged in parallel in a spaced mode and located on the same horizontal plane. A pushing head used for pushing out products clamped on blade structures of the stacking mechanism together is arranged at the free end of each pushing part.

Description

technical field [0001] The invention relates to the field of production equipment for disposable sanitary products, in particular to a packaging machine suitable for small-piece packaging. Background technique [0002] The packaging process of disposable sanitary products, such as diapers or sanitary napkins, is to first compound and cut the material layers into individual products in the production line, and then stack and transport the products through the palletizer, and then the products on the palletizer Push into the bag for packing. [0003] Chinese patent application number: 201822256005.7 discloses a chipping device for sanitary product packaging, including an arrangement structure for chipping of sanitary products and an inlet mechanism and a discharge mechanism set up corresponding to the sheet arrangement mechanism, and the inlet mechanism and discharge mechanism correspond to the sheet arrangement mechanism. The arrangement of the same straight line section dis...

AI Technical Summary

Problems solved by technology

However, the speed of the existing product production line is fast. In order to reduce the accumulation of products on the palletizer, it is necessary to improve the working efficiency of the pusher rod, and to meet the stability of the pusher rod in high-speed operation and the single-time operation of the pusher rod. The number of products launched increased, as shown in Figure 1 Material rod 1' structure, with a single push head and a large width, can only push more than ten pieces of products at a time, and put them into a single packaging bag

With the fragmentation of the market, the development of the tourism industry, and individual requirements, there are packages smaller than six pieces in the market. The above-mentioned push rod 1' cannot meet the secondary demand, and the setting of the push head of the push rod 1' needs to be smaller than that of the packaging bag. The size of the opening makes the product on both sides of the push rod 1' too soft to be filled in a packaging bag with an M-shaped sealing structure formed by heat pressing. When performing side pressure sealing in the sealing station, the product is not It can be pushed to the predetermined position and be overwhelmed, resulting in the scrapping of the product. At the same time, in the high-frequency pushing environment, the length of the push rod 1' is limited. In actual use, the product needs to be pushed from the palletizer to the At the buffer station, the subsequent products are pushed into the buffer station through the second push, and then the products on the buffer station are pushed into the packaging bag. However, the hygienic products are relatively soft, and it is easy to squeeze the product during pushing. Make the product bent or misplaced, making it difficult to push into the bag

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