CN207549597U - A kind of vertical weldering knife of side bottom plastic bag making machine - Google Patents
A kind of vertical weldering knife of side bottom plastic bag making machine Download PDFInfo
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- CN207549597U CN207549597U CN201720732913.1U CN201720732913U CN207549597U CN 207549597 U CN207549597 U CN 207549597U CN 201720732913 U CN201720732913 U CN 201720732913U CN 207549597 U CN207549597 U CN 207549597U
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- bag making
- weldering knife
- vertical
- making machine
- plastic bag
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Abstract
The utility model discloses a kind of side bottom plastic bag making machines to indulge weldering knife, and vertical weldering knife-band has the heat-sealing component for being divided into I and II by circular arc bending, and I square bottom polybag transverse joint is vertical, and I and II in obtuse angle.Via square bottom plastic packaging bag made of this product, the increase of packaging bag space, hot commissure is not easy to tear, and using integral type, blanking is simple, easy to process.
Description
Technical field
The utility model is related to packing machinery technology, more particularly, to a kind of heat seal portion of side bottom plastic bag making machine
Part.
Background technology
There are many type for the plastic packaging bag that existing Bag Making Machine makes, but most of plastic packaging bags are all the heat through folding
Pressure, the word bottom bag for shearing aftershaping, but the packaging bag at this word bottom are when packing rectangle object, the inner surface of packaging bag
It cannot be completely bonded with packed article.And it is smaller that packaging bag struts rear accommodating space, can not accommodate more articles.So side
Bottom polybag is widely used.In addition, current side's bottom plastic packaging bag, the seam of joint place is at an acute angle, during use
Easily crack from there.
In the production process of plastic film bag, most common is exactly Bag Making Machine, and Bag Making Machine is former by the plastic film of tubular
Material by vertical weldering knife and horizontal sealing knife, realizes the heat-sealing of bag body, the plastic film bag for needing size is made.Side's bottom plastics at present
Packaging bag, the seam at heat seal is at an acute angle, easily cracks from there during use.
Utility model content
The purpose of this utility model is to provide a kind of vertical weldering knives of the Bag Making Machine of side bottom polybag, can solve traditional system
The problem of product bottom seal of bag machine is easily torn.
To realize the above-mentioned technical purpose, the embodiment of the utility model is as follows：
A kind of vertical weldering knife of side bottom plastic bag making machine, the vertical weldering knife-band has is divided into I and II by circular arc bending
Component is sealed, I square bottom polybag transverse joint is vertical, and I and II in obtuse angle.
During work, weldering knife heating, the raising of heat seal part temperatures are indulged, heat seal component is contacted to form heat seal seam with raw material, be formed
Bag body, cuts, the side of becoming bottom polybag later.I of heat seal component and transverse joint square crossing, II forms heat seal seam extension
To raw material boundary.
Raw material is the plastic film rolls of blowing, and volume center is hollow paper tube, and film cylinder both sides fold inward during winding.Folding
The depth on side is 12-30cm.
Further, heat-sealing component is metal strip.
Further, I minister's degree is 2-5cm, and II minister's degree is 5-15cm.
Further, I with II into 135 degree of angles.
The beneficial effects of the utility model：
Via square bottom plastic packaging bag made of this product, the increase of packaging bag space, hot commissure is in 90 degree, so being not easy
Tear, and using integral type, blanking is simple, easy to process.
Description of the drawings
Fig. 1 is the vertical weldering knife heat-sealing structure schematic diagram of side bottom provided by the utility model plastic bag making machine
Fig. 2 is the product made by the vertical weldering knife of side bottom provided by the utility model plastic bag making machine
Fig. 3 is the square obtained product of bottom plastic bag making machine using vertical weldering knife of the prior art
Reference numeral：1- I；2- II.
Specific embodiment
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, other attached drawings are can also be obtained according to these attached drawings.
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is new based on this practicality
Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained without making creative work
Example, shall fall within the protection scope of the present invention.
The utility model is further described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, vertical weldering knife-band has the heat-sealing component for being divided into I 1 and II 2 by circular arc bending, heat-sealing component is gold
Belong to bar, described I square bottom polybag transverse joint is vertical, and described I and described II in obtuse angle.
During work, weldering knife heating, the raising of heat seal part temperatures are indulged, heat seal component is contacted to form heat seal seam with raw material, be formed
Bag body, cuts, the side of becoming bottom polybag later.I of heat seal component and transverse joint square crossing, II forms heat seal seam extension
To raw material sideline.
Raw material is the plastic film rolls of blowing, and volume center is hollow paper tube, and film cylinder both sides fold inward shape during winding
Into flanging.The depth of flanging is 12-30cm.
In present embodiment, I minister's degree is 3cm, and II minister's degree is 12cm.
The Base Heat joint close of square bottom polybag is perpendicular as a result, intersects (as shown in Figure 2), is not easy out plastic bag packaging bag
It splits.
In the prior art, the heat seal component for indulging weldering knife is straight metal strip.When made heat seal seam intersects with transverse joint, deposit
It easily cracks from there during acute angle (as shown in Figure 3), square bottom polybag use.
Claims (4)
1. the vertical weldering knife of a kind of side bottom plastic bag making machine, which is characterized in that the vertical weldering knife-band has is divided into I by circular arc bending
With the heat-sealing component of II, described I square bottom polybag transverse joint is vertical, and described I and described II in obtuse angle.
2. the vertical weldering knife of square bottom plastic bag making machine according to claim 1, which is characterized in that the heat-sealing component is metal
Item.
3. the vertical weldering knife of square bottom plastic bag making machine according to claim 1, which is characterized in that the I minister degree is 2-
5cm, the II minister degree are 5-15cm.
4. according to claims 1 or 2 or the vertical weldering knife of 3 side bottom plastic bag making machines, which is characterized in that described I and institute
II is stated into 135 degree of angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720732913.1U CN207549597U (en) | 2017-06-22 | 2017-06-22 | A kind of vertical weldering knife of side bottom plastic bag making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720732913.1U CN207549597U (en) | 2017-06-22 | 2017-06-22 | A kind of vertical weldering knife of side bottom plastic bag making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207549597U true CN207549597U (en) | 2018-06-29 |
Family
ID=62672941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720732913.1U Active CN207549597U (en) | 2017-06-22 | 2017-06-22 | A kind of vertical weldering knife of side bottom plastic bag making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207549597U (en) |
-
2017
- 2017-06-22 CN CN201720732913.1U patent/CN207549597U/en active Active
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