CN215852764U

CN215852764U - Heavy-load film single bag and spot welding device

Info

Publication number: CN215852764U
Application number: CN202122200971.9U
Authority: CN
Inventors: 林永兵; 杨彬; 陈林; 吴德财
Original assignee: Sichuan Meifeng Chemical Industry Co ltd; Sichuan Meifeng Polymer Material Technology Co ltd
Current assignee: Sichuan Meifeng Chemical Industry Co ltd; Sichuan Meifeng Polymer Material Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-02-18
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a heavy-load film single bag and a spot welding device, and relates to the technical field of packaging bags. The bag comprises a bag body, the both sides of the bag body all are provided with M type hem, two the one end that M type hem is located the feed inlet of the bag body all is provided with the heat seal point. The four-layer structure of the M-shaped folded edge is fixed through the heat-sealing points, and the problem that the M-shaped folded edge is easy to open and deform to influence automatic sealing when the existing heavy-duty film single bag is automatically bagged in an assembly line is solved.

Description

Heavy-load film single bag and spot welding device

Technical Field

The utility model relates to the technical field of packaging bags, in particular to a heavy-load film single bag and a spot welding device.

Background

With the development of economy and the progress of science and technology, the packaging bags in the industrial field develop towards heavy-load films so as to adapt to high-speed and automatic filling and realize cost reduction and efficiency improvement. The heavy-duty film packaging bag production procedures comprise film blowing, printing, embossing, edge folding, bag making and the like, wherein the bag making procedure comprises the steps of cutting a cylindrical film according to the specification required by a customer and carrying out heat sealing on the bottom.

In the prior art, the two sides of a part of heavy-duty single film bag are provided with M-shaped folding edges, and after the heavy-duty single film bag is automatically filled in a production line, the M-shaped folding edges are easily unfolded and deformed, so that the sealing position of the heavy-duty single film bag is difficult to seal.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a heavy-load film single bag machine and a spot welding device, and aims to solve the problems.

In order to realize the purpose of the utility model, the technical proposal adopted by the utility model is as follows: the utility model provides a heavy load membrane list bag, includes the bag body, the both sides of the bag body all are provided with M type hem, two the one end that M type hem is located the feed inlet of the bag body all is provided with the heat seal point.

The utility model provides a spot welding device of heavy load membrane list bag, includes the frame, be provided with conveying roller subassembly, locating component and heat-seal subassembly in the frame, the heat-seal subassembly includes heat-seal closure and lower heat-seal closure, it all is connected with lifting unit with lower heat-seal closure to go up the heat-seal closure, locating component includes color mark sensor and controller, be provided with the color mark on the bag body, color mark sensor, lifting unit and conveying roller subassembly all are connected with the controller.

Preferably, the number of the upper heat-seal joints and the number of the lower heat-seal joints are two, the two upper heat-seal joints are respectively arranged above the two M-shaped folded edges, and the two lower heat-seal joints are respectively arranged below the two M-shaped folded edges.

Preferably, the lifting assembly is one of a hydraulic rod, an air cylinder and an electric push rod.

Preferably, said colour code is printed on the pouch body.

Preferably, the upper heat seal head and the lower heat seal head are both electrically heated heat seal heads.

The beneficial effects of the utility model are concentrated and expressed as follows:

the four-layer structure of the M-shaped folded edge is fixed through the heat-sealing points, and the problem that the M-shaped folded edge is easy to open and deform to influence automatic sealing when the existing heavy-duty film single bag is automatically bagged in an assembly line is solved.

Drawings

FIG. 1 is a schematic view of a heavy duty film mono-bag of the present invention;

FIG. 2 is a schematic view of a spot welding apparatus for heavy duty single film bags of the present invention;

FIG. 3 is a schematic block diagram of a spot welding apparatus for heavy duty film pouches of the present invention;

in the attached drawings, 1, a bag body; 2. folding the edge in an M shape; 3. heat sealing points; 4. color codes; 5. a conveyor roller assembly; 6. an upper heat sealing head; 7. a lower heat seal head; 8. a color code sensor; 9. a frame; 10. a lifting assembly.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Example 1:

the utility model provides a heavy load membrane list bag, includes the bag body 1, the both sides of the bag body 1 all are provided with M type hem 2, two the one end that M type hem 2 is located the feed inlet of the bag body 1 all is provided with heat-seal point 3.

Specifically, the M-shaped folded edge 2 is of a four-layer structure, the four-layer structure of the M-shaped folded edge 2 is fixed through the heat sealing points 3, and the problem that the M-shaped folded edge 2 is easy to open and deform after the existing heavy-duty film single bag is filled with materials is solved.

Example 2:

on the basis of the above embodiment, in order to further better implement the present invention, particularly, with the following arrangement, a spot welding device for heavy-duty single film bag includes a frame 9, a conveying roller assembly 5, a positioning assembly and a heat sealing assembly are arranged on the frame 9, the heat sealing assembly includes an upper heat sealing head 6 and a lower heat sealing head 7, the upper heat sealing head 6 and the lower heat sealing head 7 are both connected with a lifting assembly 10, the positioning assembly includes a color mark sensor 8 and a controller, the bag body 1 is provided with a color mark 4, and the color mark sensor 8, the lifting assembly 10 and the conveying roller assembly 5 are all connected with the controller.

Specifically, the utility model can be used by matching with the existing bag making machine or can be used independently. When the device is used, continuous heavy-duty single film bags are conveyed through the conveying roller assembly 5 so as to reduce film surface friction, when color codes 4 on the heavy-duty single film bags are identified and captured by the color code sensor 8, information of the color codes 4 is transmitted to the controller, the controller controls the conveying roller assembly 5 to stop working, the lifting assembly 10 is controlled to drive the corresponding upper heat sealing head 6 and the corresponding lower heat sealing head 7 to clamp the heavy-duty single film bags and form the heat sealing points 3, and heat sealing fixation of a four-layer structure of the M-shaped folded edge 2 is completed.

Preferably, there are two upper heat sealing joints 6 and two lower heat sealing joints 7, two upper heat sealing joints 6 are respectively disposed above the two M-shaped folded edges 2, and two lower heat sealing joints 7 are respectively disposed below the two M-shaped folded edges 2.

Preferably, the lifting assembly 10 is one of a hydraulic rod, an air cylinder and an electric push rod.

Preferably, said colour code 4 is printed on the pouch 1.

Preferably, the upper heat seal head 6 and the lower heat seal head 7 are both electrically heated heat seal heads.

It should be noted that, for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the order of acts described, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and elements referred to are not necessarily required in this application.

Claims

1. A heavy-duty single film bag is characterized in that: the bag comprises a bag body (1), wherein M-shaped folding edges (2) are arranged on two sides of the bag body (1), and heat sealing points (3) are arranged at one ends, located at a feeding hole of the bag body (1), of the M-shaped folding edges (2).

2. The utility model provides a spot welding device of heavy load membrane list bag which characterized in that: comprising the heavy duty film mono bag of claim 1;

still include frame (9), be provided with conveying roller subassembly (5), locating component and heat-seal subassembly on frame (9), the heat-seal subassembly includes heat-seal head (6) and lower heat-seal head (7), it all is connected with lifting unit (10) to go up heat-seal head (6) and lower heat-seal head (7), locating component includes color mark sensor (8) and controller, be provided with color mark (4) on the bag body (1), color mark sensor (8), lifting unit (10) and conveying roller subassembly (5) all are connected with the controller.

3. The spot welding device for heavy duty single film bag according to claim 2, wherein: the upper heat-sealing head (6) and the lower heat-sealing head (7) are two, the two upper heat-sealing heads (6) are respectively arranged above the two M-shaped folded edges (2), and the two lower heat-sealing heads (7) are respectively arranged below the two M-shaped folded edges (2).

4. The spot welding device for heavy duty single film bag according to claim 3, wherein: the lifting component (10) is one of a hydraulic rod, an air cylinder and an electric push rod.

5. The spot welding device for heavy duty single film bag according to claim 2, wherein: the color code (4) is printed on the bag body (1).

6. The spot welding device for heavy duty single film bag according to claim 2, wherein: the upper heat-sealing head (6) and the lower heat-sealing head (7) are both electric heating heat-sealing heads.