CN110202837A - A kind of courier bag and its production technology, process units - Google Patents

Abstract

The present invention relates to courier bag technical field, a kind of courier bag and its production technology, process units are refered in particular to；The present invention includes handhold part, bag body, the lower section of handhold part, which extends, has active edges, bag body has sack side, handhold part welding edge is welded on handhold part, active edges, sack side, handhold part welding edge are laterally arranged, and the lower part on sack side is pasted with glue film item, active edges are located at the lower section of glue film item, the top infolding of handhold part is formed with handhold part inside edge, and handhold part welding edge is located at the top of handhold part inside edge, and active edges, handhold part welding edge, sack side form sack；Courier bag of the invention is sealed by glue film item, is dismantled by handhold part welding edge, and bag body will not be thus destroyed, and courier bag can re-use, and reduces the wasting of resources.

Description

A kind of courier bag and its production process and production device

technical field

The invention relates to the technical field of express bags, in particular to an express bag and its production process and production device.

Background technique

Existing express bags generally include a bag body, the upper end of the bag body has a movable tongue, and a film strip is attached to the mouth of the bag. After the article is placed in the bag, the film of the adhesive film strip is torn off, and the movable tongue and the adhesive strip are pasted together to realize sealing. To take out the contents of the bag, the bag body must be destroyed, and after the bag body is destroyed, it is difficult to reuse, resulting in a great waste of resources.

Therefore, based on the defects of the above-mentioned existing express bags, it is necessary to improve the existing express bags.

Contents of the invention

The purpose of the present invention is to provide a courier bag for the deficiencies of the prior art. The courier bag and its production device solve the problems of the existing courier bag: the bag must be destroyed, and it is difficult to reuse the bag after it is destroyed. defect.

In order to achieve the above object, the present invention is achieved through the following technical proposals: a courier bag, comprising a handle and a bag body, the bottom of the handle extends with a movable edge, the bag body has a pocket edge, and a handle is welded on the handle The welding edge, the movable edge, the edge of the pocket, and the welding edge of the handle are all set horizontally. The lower part of the edge of the pocket is pasted with a film strip, the movable edge is located under the film strip, and the top of the handle is folded inward to form an inner fold of the handle. , the welding edge of the handle is located above the inner fold of the handle, and the movable edge, the welding edge of the handle and the pocket edge form the pocket.

The inner folded edge of the handle part is located above the edge of the bag mouth.

A handle hole is punched on the handle part, and the handle hole is located above the welding edge of the handle part.

The present invention also provides a production process of express bags. In the first step, the plastic film is fed in the Y direction; in the second step, the folding triangle is folded in the X direction, and the edge of the bag mouth is folded inward; X-direction movement, the fourth step is to apply the film strip through the film strip application mechanism, the fifth step is to realize the inward folding on the side of the movable side through the guide bar, the sixth step is to realize the inward folding of the top of the plastic film through the inward folding bracket, Form the inner fold of the handle, the seventh step is to weld the outer side of the inner fold of the handle through X-direction welding components to form the handle, the eighth step is to punch out the handle hole in the handle through the punching mechanism, the ninth step, Extrude a single bag body through the Y-direction welding and shearing assembly, and cut it into an independent courier bag body, and discharge it.

The present invention also provides a courier bag production device, including a Y-direction feeding device; along the X-direction, an adhesive film strip mechanism, a guide strip, a second X-direction transmission roller, an inner folding bracket, and a third X-direction transmission roller are sequentially arranged , X-direction welding assembly, Y-direction welding and shearing assembly; the Y-direction feeding device is perpendicular to the first X-direction driving roller, and an X-direction folding triangle is arranged between the Y-direction feeding device and the first X-direction driving roller.

The beneficial effect of the present invention is that: the courier bag is sealed by the film strip and disassembled by the welding edge of the handle, so that the bag body will not be damaged, the courier bag can be reused, and the waste of resources is reduced.

Description of drawings

Fig. 1 is the schematic diagram of express bag production device of the present invention.

FIG. 2 is a partial structural schematic diagram of FIG. 1 .

FIG. 3 is an enlarged schematic diagram of a part of the structure in FIG. 1 .

Fig. 4 is a structural schematic diagram of the express bag of the present invention.

Fig. 5 is a side sectional structural schematic diagram of the present invention.

Fig. 6 is a schematic diagram of the first production state of the express bag of the present invention.

Fig. 7 is a schematic diagram of the second production state of the express bag of the present invention.

Fig. 8 is a schematic diagram of the third production state of the express bag of the present invention.

Fig. 9 is a schematic diagram of the fourth production state of the express bag of the present invention.

Fig. 10 is a schematic diagram of the fifth production state of the express bag of the present invention.

Fig. 11 is a schematic diagram of six production states of the express bag of the present invention.

Fig. 12 is a schematic diagram of the seventh production state of the express bag of the present invention.

Explanation of labels: movable side 1, pocket mouth side 2, handle inner fold 3, handle welded edge 4, handle hole 5, handle 6, film strip 7, bag bottom inner fold 8, ventilation hole 9, Y direction Feeding device 10, X-direction folding triangle 11, first X-direction driving roller 12, adhesive film strip mechanism 13, guide bar 14, second X-direction driving roller 15, inner folding bracket 16, inner hemming assembly 17, X The welding assembly 18, the welding shearing assembly 19 in the Y direction, the magnetic powder brake 20, and the third driving roller 21 in the X direction.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

See Fig. 4, Fig. 5, express bag of the present invention comprises: handle part 6, bag body, the bottom of handle part 6 extends with movable side 1, and bag body has pocket edge 2, handle part welding edge 4 is welded on handle part 6 , the movable edge 1, the pocket edge 2, and the handle portion welding edge 4 are all arranged horizontally, the bottom of the pocket edge 2 is pasted with an adhesive film strip 7, the movable edge 1 is located under the adhesive film strip 7, and the top of the handle portion 6 is folded inward The handle inner fold 3 is formed, the handle welded edge 4 is located above the handle inner fold 3, the handle inner fold 3 is located above the pocket edge 2, the movable edge 1, the handle weld edge 4, and the pocket edge 2 are formed Sack, article can be put into bag body through this sack, after the film of film strip 7 is torn off, can realize sealing.

The handle 6 of the present invention is punched with a handle hole 5, and the handle hole 5 is located above the welding edge 4 of the handle.

The bottom of the present invention has a bottom inner flap 8 .

The bottom of the present invention has air vent 9.

After the express bag of the present invention is used, the hand portion 6 can be separated, and then torn along the welding edge 4 of the hand portion, and after the articles in the bag are taken out, the bag body can also be used normally.

The express bag production device of the present invention includes a Y-direction feeding device 10, an X-direction folding cam 11, a first X-direction transmission roller 12, an adhesive film strip mechanism 13, a guide strip 14, a second X-direction transmission roller 15, an inner folding Bracket 16, inner hemming assembly 17, X-direction welding assembly 18, Y-direction welding and shearing assembly 19, magnetic powder brake 20, third X-direction transmission roller 21, and of course other auxiliary transmission rollers, motors, and controllers , brackets, support platforms, material racks, etc., will not be described in detail here.

The Y-direction feeding device 10 of the present invention is perpendicular to the first X-direction driving roller 12 , and an X-direction folding cam 11 is arranged between the Y-direction feeding device 10 and the first X-direction driving roller 12 .

The Y feed device 10 of the present invention includes multiple sets of conveying rollers for Y feed; X feeds to the bottom edge of the folding cam 11 and discharges from the top angle, and the X feeds to the bottom edge of the folding cam 11 and the top angle Low, the top angle of the X-direction folding triangle 11 is located at the upper end of the first X-direction transmission roller 12, the plastic film is folded by the X-direction folding triangle 11, and realizes the X-direction movement when being discharged by the first X-direction transmission roller 12.

The present invention is sequentially provided with an adhesive film strip mechanism 13, a guide strip 14, a second X-direction drive roller 15, an inward folding bracket 16, a third X-direction drive roller 21, an X-direction welding assembly 18, and a Y-direction welding shear along the X direction. Cut component 19.

The glue sticking film strip mechanism 13 of the present invention is used for applying glue strips on the bag body, and sticking a film on the glue strips, so it will not be described in detail here.

The guide strip 14 of the present invention is used for folding the movable tongue of the courier bag, and will not be described in detail here.

The inner folding bracket 16 of the present invention is equipped with an inner folding assembly 17, and the inner folding assembly 17 has two groups, which are arranged forward and backward along Y, and are respectively used for the inner folding of the top and bottom of the bag body. 17. It is possible to process the inner hem 3 of the handle and the inner hem 8 of the bag bottom, which will not be repeated here.

The X-direction welding assembly 18 of the present invention is used to extrude the welding edge 4 of the handle part on the top of the bag body, thereby forming the handle part 6 . The welding head of the X-direction welding assembly 18 is arranged along the X-direction.

The Y-direction welding and shearing assembly 19 of the present invention comprises a Y-directed welding head and a Y-directed cutter, and the Y-directed welding head is used to weld side seals on a continuous plastic film to form a continuous single The courier bag can be cut along the side seal with a cutter set in the Y direction to form an independent courier bag.

A punch (not shown in the figure) is also arranged between the X-direction welding assembly 18 and the Y-direction welding and shearing assembly 19 of the present invention, for punching the handle hole 5 and the ventilation hole 9 .

Further, the fold-in support 16 of the present invention is installed vertically.

The second X-direction drive roller 15 of the present invention is equipped with a magnetic powder brake 20 .

The production flow of express bag of the present invention.

See Fig. 6, be the plastic film of original state, it feeds to feeding device 10 by Y. The left and right sides of the plastic film are the movable side 1 and the bag mouth side 2 respectively.

7, the plastic film enters the first X-direction drive roller 12 through the X-folding triangle 11. At this time, the pocket edge 2 is folded inward, and there is a certain distance between the pocket edge 2 and the movable edge 1 of the plastic film. Wherein, the plastic film shown in FIG. 6 is an enlarged schematic view of FIG. 5 , the same below.

See Fig. 8, the plastic film moves forward, and carries out gluing, laminating through adhesive film strip mechanism 13, and adhesive film strip 7 is processed in the position near pocket limit 2.

See Fig. 9, the plastic film moves forward, and one side of the movable side 1 is guided by the guide bar 14 to realize inward folding, and the movable side 1 covers the pocket edge 2 and the film strip 7 after being inwardly folded.

As shown in Figure 10, the plastic film moves forward through the second X-direction driving roller 15, the inner folding bracket 16, and the third X-direction driving roller 21. Carry out inner folding to both sides of the plastic film, form the inner folding edge 3 of the handle part and the inner folding edge 8 of the bag bottom respectively.

See Fig. 11, the plastic film moves forward, is welded by the X-direction welding assembly 18, and is welded on the outside of the folded edge 3 in the hand portion, thereby forming the hand portion 6. Now, the movable edge 1 and the pocket edge 2 form the opening of the bag, and if the film of the adhesive film strip 7 is torn off, the sealing can be realized.

As shown in Figure 12, the plastic film punches out the hand hole 5 in the hand part 6 through the punching mechanism, punches out the air hole 9 in the lower part of the bag body, and presses out a single bag body through the Y-direction welding shear assembly 19, and welds on the adjacent bag body The formed side seal can be cut to process an independent courier bag body to complete the overall production process. Also can not punch air hole 9.

Of course, the above-described embodiments are only preferred examples of the present invention, and do not limit the implementation scope of the present invention, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application of the present invention, All should be included in the patent scope of the present invention.

Claims (5)

1. a kind of courier bag, it is characterised in that: including handhold part, bag body, the lower section of handhold part, which extends, has active edges, bag body tool There is sack side, handhold part welding edge is welded on handhold part, active edges, sack side, handhold part welding edge are laterally arranged, sack The lower part on side is pasted with glue film item, and active edges are located at the lower section of glue film item, and the top infolding of handhold part is formed with handhold part infolding Side, handhold part welding edge are located at the top of handhold part inside edge, and active edges, handhold part welding edge, sack side form sack.

2. a kind of courier bag according to claim 1, it is characterised in that: the handhold part inside edge is located at sack side Top.

3. a kind of courier bag according to claim 1, it is characterised in that: punching has hand-held hole on the handhold part, portable Hole is located at the top of handhold part welding edge.

4. a kind of courier bag production technology, it is characterised in that: the first step, plastic foil Y-direction charging, second step, through X to fold three Angle, sack side infolding, third step realize X to movement, the 4th step, through rubberizing Mo Tiao mechanism rubberizing film into the first X to live-roller Item, the 5th step, the guided item guidance in active edges side realize that infolding, the 6th step realize infolding at the top of plastic foil through infolding bracket, Handhold part inside edge is formed, the 7th step is welded through X to weld assembly, and the outside welding of inside edge, forms portable in handhold part Portion, the 8th step go out hand-held hole in handhold part through punch mechanism, and the 9th step extrudes single bag body through Y-direction welding shearing component, And independent courier bag bag body is cut into, it discharges.

5. a kind of express delivery bag production device, it is characterised in that: including Y-direction feeding device；Along X to being disposed with rubberizing film machine Structure, guide ribs, the 2nd X weld shearing component to live-roller, X to weld assembly, Y-direction to live-roller, infolding bracket, the 3rd X；Y To vertical first X of feeding device to live-roller, Y-direction feeding device, the first X are to being provided with X to folding triangle between live-roller.