Heat-seal forming machine for lining bag of closed barrel
By designing a closed-barrel bag heat sealing molding machine, the film conveying pressure roller and heat sealing station are used to achieve integrated molding, which solves the problems of low heat sealing welding efficiency and high cost in traditional lining bag production, and improves production efficiency and Reduced costs.
Patent Information
- Application Number
- CN202421169635.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-27
AI Technical Summary
During the production process of traditional inner lining bags, multiple processes are required to heat seal welding of the top of the bag, bottom of the bag and valve openings, resulting in low efficiency and high production costs.
A closed-mouth bucket lined bag heat sealing molding machine is designed, which leads the diaphragm forward through the film conveying roller on the left and right racks, and the heat sealing station of the middle rack is simultaneously heat sealed with the bag top and bag. The bottom and the bag body achieve integrated molding.
Improve production efficiency, reduce production costs, and ensure product quality, achieving efficient heat sealing molding of inner lining bags.
Smart Images

Figure CN222451547U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a bag body heat-sealing forming device in the technical field of liner bag production, in particular to a closed-mouth barrel liner bag heat-sealing forming machine. Background Art
[0002] In logistics transportation and warehousing, installing liner bags in containers can effectively reduce the cleaning costs of containers. In particular, for closed barrel containers for storing and transporting chemical liquids, it can also reduce environmental pollution and production costs caused by hazardous waste treatment. In order to facilitate installation and fixation of closed barrel liner bags, valve parts are usually set at the bag mouth of the liner bags. In the production process of traditional liner bags, it usually takes many steps to complete the heat sealing welding of the bag top, bag bottom and valve parts, which is not only inefficient but also has high production costs. Utility Model Content
[0003] The utility model aims to improve production efficiency and provides an integrated closed-end barrel liner bag heat-sealing forming machine.
[0004] The utility model is realized through the following technical solutions:
[0005] A closed-end barrel liner bag heat-sealing forming machine comprises a film unwinding mechanism, a film winding mechanism, a left frame, a middle frame and a right frame, characterized in that: the upper layer of the left frame is provided with a plurality of pairs of film conveying and pressing rollers, which pull the upper top film forward, and the lower layer of the left frame is also provided with a plurality of pairs of film conveying and pressing rollers, which pull the lower bottom film forward; the front and rear ends of the middle frame are respectively provided with a front end bag turning station and a rear end bag turning station, and bag body supports are respectively placed on the front end bag turning station and the rear end bag turning station, and the bag body tube film on the bag body support can be turned over at the upper and lower ends respectively at the front end bag turning station and the rear end bag turning station; a heat sealing station is provided at the middle end of the middle frame, and the heat sealing station can heat-seal the upper top and lower bottom of the liner bag and the bag body at the same time; the upper layer of the right frame is provided with a plurality of pairs of film conveying and pressing rollers, which pull the upper top film forward, and the lower layer of the right frame is also provided with a plurality of pairs of film conveying and pressing rollers, which pull the lower bottom film forward; The technical scheme is further explained as follows: a punching component and a valve port heat sealing component are provided on the upper layer of the left frame to perform positioning punching and valve port heat sealing on the upper top film; the above technical scheme is further explained as follows: the film unwinding mechanism is composed of an upper top film unwinding machine and a lower bottom film unwinding machine; the above technical scheme is further explained as follows: the film winding mechanism is composed of a waste upper top film winding machine and a waste lower bottom film winding machine; the above technical scheme is further explained as follows: the front and rear end bag body supports of the middle frame are respectively moved to the heat sealing station at the middle end through guide rails; the above technical scheme is further explained as follows: heat sealing mechanisms are respectively provided on the top and bottom of the middle frame, and the heat sealing mechanisms are composed of an annular heating plate, a wire cutting heating ring and a cylinder, and the heat sealing mechanism simultaneously heat-seals and forms the bag top film, the bag bottom film and the bag body; the above technical scheme is further explained as follows: the bag body support is cylindrical and can be flipped 180 degrees, so that the bag body tube film can be flanging at the upper and lower openings of the bag body support respectively.
[0006] The utility model has the effects of improving production efficiency, reducing costs and ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0007] Figure 1 This is the structural diagram of the closed-end barrel liner bag heat-sealing forming machine;
[0008] Figure 2 It is a top view of the closed-end barrel liner bag heat sealing forming machine.
[0009] In the figure: left frame 1, right frame 2, middle frame 3, top film heat sealing component 4, bottom film heat sealing component 5, upper top film unloading rack 6, lower bottom film unloading rack 7, waste top film receiving rack 8, waste bottom film receiving rack 9, upper top film 10, lower bottom film 11, waste upper top film 12, waste bottom film 13, left frame top plate 14, left frame upper bottom plate 15, left frame lower bottom plate 16, film punching 17, valve port heat sealing 18, valve port part 19, positioning block 20, bag body bracket 21, frame guide rail 22, moving wheel group 23, film pressing roller 24, right frame top plate 25. DETAILED DESCRIPTION
[0010] The following is a further description of the contents of the utility model in conjunction with the accompanying drawings:
[0011] As shown in the attached figure, it is a structural diagram of the heat sealing forming machine for closed-end barrel liner bags. The heat sealing forming machine consists of a film unwinding mechanism, a film winding mechanism, a left frame, a middle frame and a right frame. The film unwinding mechanism consists of an upper top film unwinding machine and a lower bottom film unwinding machine. The film winding mechanism consists of a waste upper top film winding machine and a waste lower bottom film winding machine. The film conveying roller on the upper layer of the left frame pulls the upper top film to the punching and valve port heat sealing position to achieve valve port heat sealing of the upper top film, and conveys the upper top film that has completed valve port heat sealing to the heat sealing station of the middle frame. The film conveying roller on the lower layer of the left frame conveys the lower bottom film to the heat sealing station of the middle frame. The front and rear ends of the middle frame are provided with There are front-end bag turning station and rear-end bag turning station, and bag body holders are respectively arranged on the bag turning stations. The bag body holders are cylindrical and can be turned 180 degrees. The cylindrical film is put into the bag body holder and the edges are turned outward at the upper and lower ends of the bag body holder respectively. The bag body holder can be moved to the heat sealing station of the middle frame through the guide rail; the upper and lower ends of the middle frame are respectively provided with heat sealing mechanisms, which are composed of an annular heating plate, a shredding heating ring and a cylinder. The heat sealing mechanism can heat-seal the upper top film, the lower bottom film and the bag body at the same time, so that the liner bag is formed at one time; the waste upper top film and the waste lower bottom film after heat sealing are respectively transported by the right frame conveying roller to the winding mechanism for winding.
[0012] The above is an explanation of the implementation scheme of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings or directly / indirectly applied in other related technical fields under the concept of the utility model are included in the patent protection scope of the utility model.
Claims
1. A closed-end barrel liner bag heat-sealing forming machine, comprising a film unwinding mechanism, a film winding mechanism, a left frame, a middle frame and a right frame, characterized in that: The upper layer of the left frame is provided with several pairs of film conveying rollers, which pull the upper top film forward, and the lower layer of the left frame is also provided with several pairs of film conveying rollers, which pull the lower bottom film forward; the front and rear ends of the middle frame are respectively provided with a front end bag turning station and a rear end bag turning station, and bag body supports are respectively placed on the front end bag turning station and the rear end bag turning station, and the bag body tube film on the bag body support can be flanged at the upper and lower ends respectively at the front end bag turning station and the rear end bag turning station; the middle end of the middle frame is provided with a heat sealing station, and the heat sealing station can simultaneously heat-seal the upper top and lower bottom of the liner bag and the bag body; the upper layer of the right frame is provided with several pairs of film conveying rollers, which pull the upper top film forward, and the lower layer of the right frame is also provided with several pairs of film conveying rollers, which pull the lower bottom film forward.
2. The closed-end barrel liner bag heat-sealing forming machine according to claim 1, characterized in that: The upper layer of the left frame is provided with a punching component and a valve port heat sealing component, which perform positioning punching and valve port heat sealing on the top film.
3. The closed-end barrel liner bag heat-sealing forming machine according to claim 1, characterized in that: The film unwinding mechanism is composed of an upper top film unwinding machine and a lower bottom film unwinding machine.
4. The closed-end barrel liner bag heat-sealing forming machine according to claim 1, characterized in that: The film winding mechanism is composed of a waste top film winding machine and a waste bottom film winding machine.
5. The closed-end barrel liner bag heat-sealing forming machine according to claim 1, characterized in that: The front and rear end bag body supports of the middle frame are respectively moved to the heat sealing station at the middle end through the guide rails.
6. The closed-end barrel liner bag heat-sealing forming machine according to claim 1, characterized in that: The top and bottom of the middle frame are respectively provided with heat sealing mechanisms, which are composed of an annular heating plate, a shredding heating ring and a cylinder. The heat sealing mechanisms heat-seal and form the bag top film, the bag bottom film and the bag body at the same time.
7. The closed-end barrel liner bag heat-sealing forming machine according to claim 1, characterized in that: The bag body support is cylindrical and can be turned over 180 degrees, so that the bag body tube film can be turned over at the upper opening and the lower opening of the bag body support respectively.