Material filling and bagging device and method

Abstract

The invention relates to the field of packaging equipment, in particular to material packaging equipment and method. The equipment comprises a rack, and a bag feeding device, a bag opening device, a falling device, a receiving and conveying device and a sealing device which are fixed on the rack, and the input end and the output end of the bag feeding device are connected with a packaging bag feeding port and the input end of the bag opening device respectively; the input end and the output end of the falling device are respectively connected with a material inlet and the output end of the bagopening device, and the output end of the falling device is connected with the input end of the receiving and conveying device; and the input end and the output end of the sealing device are connected with the output end of the receiving and conveying device and a packaging bag discharging station correspondingly. By arranging the bag feeding device, the bag opening device, the falling device, the receiving and conveying device and the sealing device, automatic processing and transferring of packaging bags are achieved, and the automation degree of the whole equipment is improved.

Description

technical field [0001] The invention relates to the field of filling and bagging equipment, in particular to a material filling and bagging equipment and method. Background technique [0002] Material filling and bagging equipment is a type of machine that packs materials to protect materials and facilitate transportation. It is mainly suitable for automatic quantitative packaging of materials in rice, food, sugar, chemical and other industries. Material filling and bagging equipment mainly includes: packaging bag feeding, packaging bag opening, material filling, packaging bag conveying and packaging bag sealing and other processes during operation. The quality of the packaging process is directly related to the sealing quality of the packaging bag, the accuracy of the filling weight of the material and the compactness of the material in the packaging bag. Therefore, for material packaging, the quality of the filling and bagging equipment used is particularly important. ...

AI Technical Summary

Problems solved by technology

[0004] The existing technology has the following deficiencies: 1. When packaging materials, each process is manually completed on a single workbench, and then the product flow is sent to the next workbench through the conveyor line for the next process, and finally the material packaging is completed process; and each process requires manual participation and auxiliary feeding flow, which affects the processing efficiency of the entire device and results in a low degree of automation of the entire equipment

2. When loading the packaging bag, first use the suction bag mechanism to contact the upper surface of the middle part of the packaging bag to absorb it, and then the driving mechanism drives the suction bag mechanism to move to the conveying bag mechanism to transport the packaging bag to the next station; while the packaging The bag is soft, and after the suction bag mechanism absorbs the middle part of the packaging bag, the softer packaging bag edge will bend and sag under the action of gravity because it is not supported; when the suction bag mechanism loosens the sucked packaging bag and falls to the delivery bag mechanism , the bent and sagging edge of the bag will be pressed against the bottom of the bag as the bag falls; resulting in edge wrinkles when the bag is output to the next station, affecting the quality of the bag on the bag

3. When the packaging bag is stretched and transported, the bag opening mechanism first stretches the packaging bag, and then flips the air claw hand in the gripping mechanism to grip the stretched packaging bag; at the same time flips the bag holding cylinder in the gripping mechanism Drive the two expansion plates to continue to expand the upper and lower sides of the inner side of the packaging bag, and finally the flipping and gripping mechanism drives the opened packaging bag to rotate to the filling station to complete the packaging bag stretching and conveying process; while the air in the flipping and gripping mechanism When the gripper grips the packaging bag, the cylinder directly drives the gripper to grip the packaging bag; but the manufacturing precision of the cylinder is low and the cylinder shaft and the cylinder wall are easy to wear, and the cylinder shaft and the cylinder wall will be worn due to frequent gripping of the packaging bag. A larger gap is generated; thereby causing the cylinder shaft to shake relative to the cylinder wall when driving the jaws to move, causing the jaws to be unable to accurately grip the packaging bag; at the same time, when the packaging bag is stretched in the flipping and gripping mechanism, it is The two bag-supporting cylinders respectively drive their respective bag-supporting plates to rotate up and down to open the packaging bag; and this method of opening requires two bag-supporting cylinders to work separately, resulting in a large number of bag-supporting cylinders and increasing the complexity of the equipment

4. When filling the packaging bag, the bag grabbing mechanism first grasps the opened packaging bag; then fills the material into the opened packaging bag along the blanking chute, and the bag grabbing mechanism grabs the filled packaging bag The filling process of the packaging bag is completed by releasing the material directly; the packaging bag is in the stretched state when the bag grabbing mechanism grasps the packaging bag tightly, and the packaging bag is also in the stretched state when the bag grabbing mechanism loosens the filled packaging bag and falls; When the bottom of the filled packaging bag is in contact with the receiving and conveying device, the bottom of the packaging bag will be subject to a certain impact, and the material filled inside the packaging bag will be scattered along the opening of the packaging bag after being impacted, resulting in the need for refilling, thus Reduced bag filling efficiency

5. When receiving and conveying the filled packaging bag, the unloading device will drop the material of the set weight into the packaging bag, and then the receiving mechanism located under the packaging bag will directly receive the filled packaging bag and transport it to the sealing device Complete the packaging bag receiving and conveying process; and the material itself has a certain shape, and the materials will support each other when they fall into the packaging bag; when the receiving mechanism directly receives the filled packaging bag, the mutually supported materials in the packaging bag have a large Void ratio; resulting in an increase in the volume of the packaging bag occupied by the material of the same weight, and the material is loose in the packaging bag, reducing the packaging quality of the material

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