Hot melting mechanism for edge sealing in plastic bag production
By introducing a purification and cooling system into the hot-melt sealing mechanism for plastic bag production, the problems of toxic gas release and energy waste have been solved, achieving an efficient and safe sealing process and improving sealing quality and work efficiency.
Patent Information
- Application Number
- CN202520036045.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-08
AI Technical Summary
In the current plastic bag production process, the hot melt machine releases toxic gases when processing the plastic film, which endangers the health of workers. In addition, heat loss leads to energy waste and poor sealing quality.
A hot-melting mechanism including a purification chamber and a blower box was designed. A cylinder drives a movable plate to fit with the material conveying trough to form a sealed cavity, purifying toxic gases. The blower box is used for rapid cooling, and a pressure pulley is used to increase the tension of the plastic film. A cutter works with the hot-melting machine to cut the edges, improving the sealing quality and efficiency.
It effectively prevents the emission of toxic gases, saves energy, improves the quality and efficiency of edge sealing, reduces the generation of hot-pressed sludge, and protects the health of workers.
Smart Images

Figure CN223701903U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic bag, concretely to a plastic bag production edge sealing hot melting mechanism. BACKGROUND
[0002] Plastic bag is the bag that is made with plastic as main raw material, is the indispensable article in people's daily life, is often used to pack other articles, because its cheap, weight extremely light, capacity, the advantage of being convenient for storage is widely used, in prior art, when carrying out edge sealing process to plastic bag, need to heat press to two layers of plastic film, make two layers of plastic film heat press and form the bag body, but, the plastic film that hot melting machine overheating melts handles, can emit toxic gas, the gas is inhaled for a long time can harm the health of worker, therefore, the utility model provides a plastic bag production edge sealing hot melting mechanism for solving the above -mentioned problem. SUMMARY
[0003] The utility model discloses a plastic bag production edge sealing hot melting mechanism to solve the problem in the background art.
[0004] To achieve the above object, the utility model provides the following technical scheme: a plastic bag production edge sealing hot melting mechanism, including
[0005] Frame, the side of frame is equipped with the feeding roller, and the feeding roller has two groups, the side of frame is fixedly installed with the pressure roller, the side of frame is fixedly installed with the conveying roller, the side of frame is fixedly installed with the workboard, the top of workboard is fixedly equipped with the edge sealing mechanism.
[0006] Preferably, the edge sealing mechanism includes a base, the bottom of the base is fixedly provided with a material conveying groove, the side of the material conveying groove is fixedly installed with a pressure pulley, and the pressure pulley has two, symmetrically distributed on the side of the material conveying groove, the bottom of the material conveying groove is fixedly provided with an edge cutting groove.
[0007] Preferably, the top of the base is fixedly installed with a purification box and a blowing box, and the purification box and the blowing box are arranged side by side on the top of the base, the side of the purification box and the blowing box is provided with a connecting pipe, and the other end of the connecting pipe is fixedly connected with a pressure sealing box.
[0008] Preferably, the top of the pressure sealing box is fixedly installed with a compression spring, and the other end of the compression spring is fixedly installed with a connecting rod, the bottom of the connecting rod is fixedly installed with a hot melting machine, the bottom of the hot melting machine is provided with a cutter, and the cutter can be slidingly connected in the edge cutting groove, the top of the connecting rod is fixedly installed with a movable plate, the bottom of the movable plate is equipped with a positioning rod, and the positioning rod is fixedly connected with the base.
[0009] Preferably, the top of the movable plate is fixedly provided with an air pressure rod, the top of the air pressure rod is fixedly provided with a connecting piece, the top of the air pressure rod is fixedly provided with a cylinder, the side of the cylinder is provided with an air pipe, and the air pipe is fixedly connected with the top of the air pressure rod.
[0010] Compared with the prior art, the utility model has the advantages that through the design of the compression spring and the compression spring, when the cylinder is extended through the air pressure rod, the air pressure rod makes the movable plate descend, the compression spring is connected with the conveying groove, a sealed cavity is formed, hot melt sealing is convenient, toxic gas is prevented from being scattered in the air, heat loss is reduced, energy is saved, the compression spring and the blowing box mechanism are communicated with the compression spring through the purification box, while circulating the purified gas, the blowing box mechanism is utilized to rapidly cool after completing the hot melt sealing, hot pressure viscous liquid is reduced, the pressure pulley is utilized to apply pressure on the plastic film, the plastic film tension is improved, wrinkles are prevented, the edge sealing quality is improved, the cutter is connected with the hot melt machine through the cutter and the edge cutting groove, the edge cutting process is carried out while the edge is sealed, work efficiency is improved, when the device is not operated, the cutter is stored in the inside of the compression spring, and the cutter is prevented from hurting the staff. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 It is the whole structure schematic diagram of the utility model;
[0012] Fig. 2 It is the sectional schematic diagram of the utility model structure;
[0013] Fig. 3 It is the edge sealing structure schematic diagram of the utility model.
[0014] Fig. 4 It is the edge sealing structure sectional schematic diagram of the utility model.
[0015] In the drawing: 1, rack; 2, feeding roller; 3, pressure roller; 4, conveying roller; 5, work plate; 6, base; 7, conveying groove; 8, pressure pulley; 9, edge cutting groove; 10, purification box; 11, blowing box; 12, compression spring; 13, hot melt machine; 14, cutter; 15, movable plate; 16, positioning rod; 17, air pressure rod; 18, connecting piece; 19, cylinder; 20, air pipe. DETAILED DESCRIPTION
[0016] In order to make the purpose, technical scheme of the utility model carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the drawings to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, rather than all the embodiments, only use to explain the embodiment of the utility model, and do not use to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor are within the scope of the utility model protection.
[0017] Please refer to Figs. 1 to 4 The utility model provides a technical scheme: a kind of hot melt mechanism for plastic bag production edge sealing, including
[0018] Frame 1, the side surface of frame 1 is equipped with discharging roller 2, and discharging roller 2 has two groups, the side surface of frame 1 is fixedly installed with pressure roller 3, the side surface of frame 1 is fixedly installed with conveying roller 4, the side surface of frame 1 is fixedly installed with working plate 5, the top of working plate 5 is fixedly equipped with edge sealing mechanism, and the structure of pressure roller 3 can increase plastic film tension, prevent wrinkle, influence edge sealing quality.
[0019] Edge sealing mechanism includes base 6, the bottom of base 6 is fixedly provided with material conveying groove 7, the side surface of material conveying groove 7 is fixedly installed with pressure pulley 8, and pressure pulley 8 has two, and is symmetrically distributed on the side surface of material conveying groove 7, the bottom of material conveying groove 7 is fixedly provided with edge cutting groove 9, pressure pulley 8 exerts pressure on plastic film, improves plastic film tension, prevents wrinkle, and improves edge sealing quality.
[0020] The top of base 6 is fixedly installed with purification tank 10 and blow box 11, and purification tank 10 and blow box 11 are arranged side by side on the top of base 6, and the side surface of purification tank 10 and blow box 11 is equipped with connecting pipe, and the other end of connecting pipe is fixedly connected with pressure sealing box 12, and purification tank 10 and blow box 11 mechanism communicate pressure sealing box 12, while circulating purifying gas, after completing hot melt sealing, utilize blow box 11 mechanism to cool quickly, reduce hot pressure viscous liquid generation.
[0021] The top of the compression box 12 is fixedly provided with a compression spring 13, and the other end of the compression spring 13 is fixedly provided with a connecting rod, the bottom of the connecting rod is fixedly provided with a hot melting machine 14, the bottom of the hot melting machine 14 is provided with a cutter 15, the cutter 15 is slidably connected with the edge cutting groove 9, the top of the connecting rod is fixedly provided with a movable plate 16, the bottom of the movable plate 16 is provided with a positioning rod 17, and the positioning rod 17 is fixedly connected with the base 6, the cutter 15 is designed to be connected with the hot melting machine 14, the edge cutting process is carried out at the same time of the hot melting sealing, the working efficiency is improved, when the device is not running, the cutter 15 is stored in the inside of the compression box 12, the cutter 15 is prevented from hurting the workers, the compression box 12 is connected with the material conveying groove 7, a sealed cavity is formed, the hot melting sealing is facilitated, and the toxic gas is prevented from being scattered into the air.
[0022] The top of the movable plate 16 is fixedly provided with a gas pressure rod 18, the top of the gas pressure rod 18 is fixedly provided with a connecting piece 19, the top of the gas pressure rod 18 is fixedly provided with a gas cylinder 20, the side of the gas cylinder 20 is provided with a gas pipe 21, and the top of the gas pressure rod 18 is fixedly connected with the gas pipe 21.
[0023] Specific use: first, the two-layer plastic film is symmetrically conveyed through the conveying roller 4, the pressure roller 3 and the material feeding roller 2 structure, when the plastic film is conveyed to the workbench 5, the plastic film passes through the material conveying groove 7, the pressure sheave 8 is pressed to slide the double-layer plastic film, then the gas cylinder 20 is started, at this time, the gas pressure rod 18 is driven through the gas pipe 21, the gas pressure rod 18 is extended to drive the movable plate 16 to press down to the bottom of the material conveying groove 7, the compression box 12 connected with the bottom of the movable plate 16 is connected with the plastic film on the top of the material conveying groove 7, a sealed cavity is formed, then the hot melting sealing is carried out through the hot melting machine, and the compression box 12 is communicated with the purification box 10 and the air blowing box 11 mechanism, after the hot melting sealing is completed, the internal toxic gas generated by the hot melting is conveyed into the purification box 10 for ventilation and rapid cooling, the generation of hot pressure viscous liquid is reduced, the cutter 15 is designed to be connected with the hot melting machine 14, the edge cutting process is carried out at the same time of the hot melting sealing, and the working efficiency is improved.
[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A hot melt mechanism for edge sealing of plastic bag production, characterized by: Including frame (1), the side of frame (1) is equipped with feeding roller (2), and feeding roller (2) has two groups, the side of frame (1) is fixedly installed with pressure roller (3), the side of frame (1) is fixedly installed with conveying roller (4), the side of frame (1) is fixedly installed with work plate (5), the top of work plate (5) is fixedly equipped with edge sealing mechanism.
2. The hot melt mechanism for sealing the edge of plastic bag production according to claim 1, characterized in that: The edge sealing mechanism includes base (6), the bottom of base (6) is fixedly provided with material conveying groove (7), the side of material conveying groove (7) is fixedly installed with pressure pulley (8), and pressure pulley (8) has two, symmetrically distributed on the side of material conveying groove (7), the bottom of material conveying groove (7) is fixedly provided with edge cutting groove (9).
3. The hot melt mechanism for sealing the edge of plastic bag production according to claim 2, characterized in that: The top of base (6) is fixedly installed with purification tank (10) and blowing box (11), and purification tank (10) and blowing box (11) are arranged side by side on the top of base (6), the side of purification tank (10) and blowing box (11) is provided with connecting pipe, and the other end of connecting pipe is fixedly connected with pressure sealing box (12).
4. The hot melt mechanism for sealing the edge of plastic bag production according to claim 3, characterized in that: The top of pressure sealing box (12) is fixedly installed with compression spring (13), and the other end of compression spring (13) is fixedly installed with connecting rod, the bottom of connecting rod is fixedly installed with hot melting machine (14), the bottom of hot melting machine (14) is provided with cutter (15), and cutter (15) can be slidably connected in edge cutting groove (9), the top of connecting rod is fixedly installed with movable plate (16), the bottom of movable plate (16) is equipped with positioning rod (17), and positioning rod (17) is fixedly connected with base (6).
5. The hot melt mechanism for sealing the edge of plastic bag production according to claim 4, characterized in that: The top of movable plate (16) is fixedly installed with air pressure rod (18), the top of air pressure rod (18) is fixedly installed with connecting piece (19), the top of air pressure rod (18) is fixedly equipped with air cylinder (20), the side of air cylinder (20) is equipped with air pipe (21), and air pipe (21) is fixedly connected with the top of air pressure rod (18).