CN101913454B

CN101913454B - Method for manufacturing environment-friendly bag

Info

Publication number: CN101913454B
Application number: CN2010102491673A
Authority: CN
Inventors: 刘西阔
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-08-09
Filing date: 2010-08-09
Publication date: 2012-01-18
Anticipated expiration: 2030-08-09
Also published as: CN101913454A

Abstract

The invention discloses an environment-friendly bag and a manufacturing method thereof, wherein the environment-friendly bag consists of a bag body and a hand-held hole or a hand-held belt, a hand-held part is arranged above the hand-held hole or the hand-held belt, two side faces of the bag body are side organs, and the bottom of the bag body is a bottom organ; two side edges of the bag body are side edge heat sealing lines; the manufacturing method comprises the following steps: 1) unreeling the roll material; 2) folding the edge of the hand-held part; 3) carrying out ultrasonic welding on the folded edges; 4) opening a hand-held hole; 5) cutting the bag body; 6) turning the bag body, folding the bag body along the middle part, turning the surface of the bag body which is positioned at the outer part into the bag body when the bag is normally used, and overlapping the welded edges; 7) a lateral folding organ; 8) the bottom of the bag body is folded into an organ and pressed to be flat; 9) the two sides of the bag body are welded. The invention greatly simplifies the working procedures, has the advantages of simple working procedures, high efficiency and high speed, and reduces the operation of one-time cutting and heat sealing compared with the traditional environment-friendly bag, thereby having higher strength, stronger strength and more beautiful appearance.

Description

A kind of manufacturing approach of environmental protection bag

Technical field

The present invention relates to environmental protection bag manufacturing technology field, relate in particular to a kind of method that steps such as flanging, ultrasonic welding are made the environmental protection bag that current material is carried out.

Background technology

Improving constantly of Along with people's environmental consciousness; Advantages such as the environmental protection bag is capable of washing, reusable owing to having, sound construction; Thereby widelyd popularize application by government and social organization, in this case, the demand of environmental protection bag increases greatly; And can quality of itself and cost of manufacture have become the key factor of the boosting masses accepting the environmental protection bag, and the quality of manufacture craft is then the quality and the cost of direct relation product itself.At present; Employed on the market various environmental protection bag; 1), with automat the package material is cut into the rectangular configuration that designs with the bag as the environmental protection bag its material is various materials, and like nonwoven fabrics, canvas, cotton, degradable material etc., the manufacturing process of sack is:; 2), confirm that the horizontal middle broken line that is positioned at midway location reaches the mobile division broken line near edges at two ends; 3) in, inwardly or outwards flanging forms two along the mobile division broken line with bag with flanging machine the folding seamed edge or outside roll over seamed edge; 4), confirmed the hot thread of mobile division, with the interior folding seamed edge that forms or roll over seamed edge outward and carry out heat seal formation mobile division along horizontal hot thread with supersonic heat-conglutinating machine; 5), with bag along middle broken line doubling; 6), confirmed hot thread, utilize supersonic heat-conglutinating machine hot thread longitudinally the heat seal of bag both sides of the edge to be formed the preliminary structure of bag well in the bag both sides that fold; 7), bag inside is routed up to outside leveling, longitudinally center shaft stretches and leveling then, makes the dual-side of bag become vertical central axis, and the bag base section is inwardly doubling then.The top of the whole bag in leveling back is rectangle, and the bottom is an equicrural triangle, and side becomes the angular bisector of bag bottom equicrural triangle drift angle; 8), with cutter with the leg-of-mutton two equilateral parts that cut by the waist, bag after cutting bottom becomes isosceles-trapezium-shaped by original equicrural triangle; 9) the limit heat seal that, the bag bottom is cut out with supersonic heat-conglutinating machine; 10), again with sack rout up be returned to normal condition and the leveling; 11), offer portable hole or install hand-strap additional, entire making process completion so far.The a lot of procedures of technological whole process need that is to say existing making environmental protection bag could be accomplished; This manufacturing approach never changed for a long time; Whole industry is all being used till today always; Yet the operation more complicated that this orthodox method comprises, the position of shearing and welding heat seal is more, thereby makes production efficiency not high enough; Shortcomings such as the sack of producing is firm inadequately and attractive in appearance inadequately but are obvious to all, and often have customer response sack bottom to occur to split and cause article to land the accident of damaging.

Summary of the invention

The present invention is directed to the defective of prior art, a kind of production process is simple, efficient is high, produce good, specious environmental protection bag of sack quality and manufacturing approach thereof are provided.

For solving the problems of the technologies described above; The present invention adopts following technical scheme: a kind of manufacturing approach of environmental protection bag; Said environmental protection bag is made up of portable hole on bag and the bag or hand-strap; The top of portable hole or hand-strap is that the bag two sides are the crosswind qin by the good flanging mobile division of supersonic heat-conglutinating machine welding; The manufacturing approach of this environmental protection bag comprises in advance and will install as the bag rolls that used equipment has supersonic heat-conglutinating machine, it is characterized in that: also comprise following steps:

1), the package material is unreeled;

2), roll the seamed edge of mobile division well from dual-side by the flanging running roller;

3), the seamed edge of the mobile division of rolling well is carried out ultrasonic welding by supersonic heat-conglutinating machine;

4), give bag bottom folding end organ, and flatten by running roller;

5), offer portable hole;

6), with supersonic heat-conglutinating machine the dual-side of bag is welded and form complete environmental protection bag;

7), cut bag;

8), turn over bag operation, bag is folded down the centre, should be in exterior surface when normally using and translate into the inside, the mobile division good seamed edge of welding overlaps;

9), folding crosswind qin;

Adopt said manufacturing approach manufacturing environmental protection bag bottom be the end organ that the organ line folds into inwardly the end of along, end organ is across whole bag bottom; The bag dual-side is that the side hot thread is inner at the environmental protection bag by the good side hot thread of supersonic heat-conglutinating machine welding; Whole environmental protection bag is the bag of a rectangle after launching.

Perhaps, bag is not offered portable hole, but on bag, installs hand-strap additional, installs additional to carry out after operating in of hand-strap rolled over the crosswind qin.

Through the present invention can be found that compared with prior art the present invention has following advantage: the first, need not sack is carried out operation again and again, and conventional art needs twice at least with overturning inside and outside the sack; The second, need not with sack extremely bother along the stretch leveling and of bag vertical central axis with the inwardly operation of doubling of bag bottom, in conventional art, the operation of this step bothers the most; Three, need not to carry out trimming operation once more; Four, need not to carry out the operation of ultrasonic welding for the third time.That is to say that the present invention is actual only need be with the bag doubling, and can carry out ultrasonic welding behind the folding end organ, and the bottom does not have other the otch that carries.Therefore, the present invention has simplified operation greatly, has that operation is simple, efficient is high, fireballing advantage, and the sack of producing has reduced the operation of a cutting and heat seal than traditional environmental protection bag, thereby intensity is higher, and is more solid, more attractive in appearance.

Description of drawings

Fig. 1 is the deployed configuration scheme drawing of environment-friendly bag body;

Fig. 2 is an environmental protection bag planar structure scheme drawing;

Fig. 3 is a FB(flow block) of the present invention.

Among the figure, 1 is bag, and 2 is end organ, and 3 is the mobile division, and 4 is portable hole, and 5 is middle broken line, and 6 is end organ line, and 7 is the mobile division hot thread, and 8 is the side hot thread, and 9 is crosswind qin line.

The specific embodiment

Below in conjunction with the specific embodiment the present invention is done a step explanation.

In the present embodiment, see figures.1.and.2 said environmental protection bag; Portable hole 4 by on bag 1 and the bag 1 is formed; The top of portable hole 4 is that bag 1 two sides are the crosswind qin by the good flanging mobile division 3 of supersonic heat-conglutinating machine welding, environmental protection bag bottom be the end organ 2 that organ line 6 folds into inwardly the end of along; End organ 2 is across whole bag 1 bottom, and the bottom does not have other soldering opening; Bag 1 dual-side is that side hot thread 8 is inner at the environmental protection bag by the good side hot thread 8 of supersonic heat-conglutinating machine welding; Whole environmental protection bag is the bag of a rectangle after launching, and the two ends of the bag 1 after the expansion are coequal half side mobile divisions 3, and mobile division 3 is portable hole 4 inward, and the transverse center shaft position is middle broken line 5, organ line 6 at the bottom of middle broken line 5 both sides are two.

With reference to Fig. 1, Fig. 2 and Fig. 3, the manufacturing approach of this environmental protection bag does, will install as the nonwoven fabric roll of bag base material in advance, and can certainly be canvas, cotton, degradable material etc.; Used equipment has supersonic heat-conglutinating machine, also comprises following steps:

1), the package material is unreeled;

2), roll the seamed edge of mobile division 3 well from dual-side by new limit running roller;

3), by supersonic heat-conglutinating machine the seamed edge of the mobile division of rolling well 3 is carried out ultrasonic welding, what welding was good just is mobile division hot thread 7;

4), give bag 1 bottom folding end organ 2, be about to bag 1 bottom and fold into inward, roll the back well and flatten by running roller, just form end organ line 6 after flattening;

5), offer portable hole 4.Can certainly not offer portable hole and install hand-strap additional, if install hand-strap additional, that installs additional and carries out after operating in of hand-strap rolled over the crosswind qin;

6), with supersonic heat-conglutinating machine the dual-side of bag 1 is welded and to form complete environmental protection bag, environmental protection bag dual-side is the good side hot thread 8 of welding;

7), cut bag 1;

8), turn over bag operation, bag 1 is folded down the centre, broken line 5 in the middle of just forming after the doubling, and should be in exterior surface when making normal uses and translate into the inside, mobile division 3 welding seamed edge well overlaps;

9), folding crosswind qin, just the two sides of environmental protection bag are rolled over inward, roll the back well and form crosswind qin line 9, crosswind qin line 9 beginnings part outward is the crosswind qin.

So far whole manufacturing process is accomplished.

Adopting the present invention to make an environmental protection bag only needs several seconds, needs tens seconds at least and adopt orthodox method to make an environmental protection bag; Prove through actual detected in addition, adopt same material to make the environmental protection bag of same size, under the situation of loading the equal in quality article, the environmental protection bag that the present invention makes is than the low 80-90% of breakage rate of traditional environmental protection bag.

Below the present invention is done a detailed description, the above is merely the present invention's preferred embodiment, when can not limiting practical range of the present invention, promptly allly does impartially to change and modify according to the application's scope, all should still belong in the covering scope of the present invention.

Claims

1. A manufacturing method of an environmental protection bag, the environmental protection bag is made up of a bag body and a hand hole or a hand strap on the bag body, the top of the hand hole or the hand strap is a hemmed handle welded by an ultrasonic heat sealing machine, the bag The two sides of the body are side organs; the manufacturing method of the environmental protection bag includes pre-rolling the base material used as the bag body, and the equipment used is an ultrasonic heat sealing machine, which is characterized in that it also includes the following steps:

1) Unwind the packaged material;

2) Fold the edges of the handle part from both sides by the folding rollers;

3) Ultrasonic welding is performed on the edge of the folded handle by an ultrasonic heat sealing machine;

4) Fold the bottom organ at the bottom of the bag body, and press it flat by rollers;

5), set up a hand hole;

6) Use an ultrasonic heat sealing machine to weld both sides of the bag body to form a complete environmental protection bag;

7), cutting the bag body;

8) Carry out the bag turning operation, so that the bag body is folded in half along the middle, and the outer surface should be turned inside during normal use, and the welded edges of the handle overlap together;

9), folding side organ;

The bottom of the environmental protection bag manufactured by the manufacturing method is a bottom organ folded inward along the bottom organ line, and the bottom organ spans the entire bottom of the bag body; the two sides of the bag body are welded by ultrasonic heat sealing machines. , the side heat sealing line is inside the environmental protection bag; after the entire environmental protection bag is unfolded, it is a rectangular bag body.

2. The manufacturing method of the environmental protection bag according to claim 1, characterized in that: the bag body does not have a hand hole, but a hand strap is added to the bag body, and the operation of adding the hand strap is carried out after the side organ is folded . the