KR102417792B1 - Grip attaching apparatus for plastic bag - Google Patents

Abstract

The present invention relates to a device for automatically attaching a handle to a plastic wrapper capable of holding contents such as rice. According to the present invention, provided is the device for attaching a handle to a plastic wrapper, in which a handle supply part, a handle input part, a handle fusion part, and the like are installed on one side on a plastic wrapper manufacturing line, and a new automation system that automatically attaches the handle to the plastic wrapper while operating each part in a linked manner is realized. Accordingly, labor cost reduction can be secured and productivity improvement can be promoted according to process automation. Moreover, a protruding part of the handle can be removed to increase a degree of freedom in a design of an automation line for a subsequent filling process, and a problem in which a filling process is defective can be completely solved to improve the efficiency of the subsequent filling process at the same time.

Description

Plastic wrapper handle attachment device {GRIP ATTACHING APPARATUS FOR PLASTIC BAG}

The present invention relates to a device for attaching a handle to a plastic wrapper, and more particularly, to a device for automatically attaching a handle to a plastic wrapper capable of holding contents such as rice.

In general, plastic wrapping paper is mainly manufactured using various types of plastic films such as polyethylene and PE, for industrial (eg, packaging, waterproofing, etc.), agricultural (eg, warming and growth promotion of crops, etc.), daily life. It is widely used for daily life (for example, various envelopes), etc.

These plastic wrappers are mainly used when selling rice or powdered detergent, which are sold in small packages. Even in such a small package, heavy products are placed at the top of the plastic wrapper so that consumers can easily carry the plastic wrapper. Drill a hole in the handle or attach a handle made of plastic material.

To explain the manufacturing process of plastic wrapping paper with a handle, the vinyl fabric extruded in the form of a cylindrical film in an extruder and cooled flat is wound on a bobbin, and then the length and width directions of the vinyl fabric are measured while unwinding the wound vinyl fabric. After forming a fusion part along the fusion part, punching one side of the fusion part to form a hole for attaching the handle, and then attaching the handle here, the plastic wrapping paper with one side open to fill the contents is completed.

Here, the handle is attached in the form of being coupled to each other with a plastic wrapper interposed therebetween.

For example, as shown in FIGS. 1 to 3, two handles 240a having a female fitting part 220 and a male fitting part 230 with the handle hole 210 of the plastic wrapper 200 interposed therebetween. .

However, the conventional method of attaching the handle has the following disadvantages.

First, since the handle is manually attached separately from the plastic wrapping paper manufacturing process, labor costs are unavoidable due to the input of labor, and it takes a lot of work time.

Second, since the handle is thickly attached to the surface of the plastic wrapper in a protruding form, there is a lot of difficulty in designing the automation line due to the interference of the handle in the automated process of filling the contents into the plastic wrapper, and the poor filling of the contents is frequent. There are downsides that arise.

Laid-Open Patent Publication No. 10-2004-0097891 Laid-open Patent Publication No. 10-2009-0111412 Unexamined Patent Publication No. 10-2017-0050987 Laid-open Patent Publication No. 10-2017-0127337

Therefore, the present invention has been devised in consideration of this point, and the handle supply part, the handle input part, the handle fusion part, etc. are installed on one side of the plastic wrapping paper manufacturing line, and each part is operated in conjunction with the handle on the plastic wrapper. By implementing a new automation system that automatically attaches An object of the present invention is to provide a device for attaching a plastic wrapper handle that can improve the efficiency of the subsequent charging process by completely solving the defect problem.

In order to achieve the above object, the plastic wrapping paper handle attachment device provided in the present invention has the following characteristics.

The plastic wrapping paper handle attachment device is installed on one side of the plastic wrapping paper manufacturing line and automatically attaches the handle to the plastic wrapping paper. A pusher and a pusher cylinder installed in a structure supported on the device frame side and positioned on the discharge side of the rail for handle alignment and operating forward and backward to put the handle between the upper and lower two layers of plastic wrapper, and a structure supported on the device frame side A heating block and a heating block cylinder that are located above the input position of the handle between the two layers of plastic wrapping paper and press and fuse the handle between the plastic wrapping papers while lifting and lowering, and the handle while installed in a structure supported on the device frame side and a non-stick device interposed between the heating block and the plastic wrapping paper to block direct contact between the plastic wrapping paper and the heating block at the time of pressure fusion of the plastic wrapping paper.

Accordingly, the device for attaching a handle to the plastic wrapper is characterized in that the handle is put into the plastic wrapper transferred along the plastic wrapper manufacturing line, and the handle is pressed and fused to the plastic wrapper using pressure and heat to produce a handle-integrated plastic wrapper. to be.

Here, the non-stick device includes a support installed on the device frame, a sheet roll installed on both ends of the support, and a Teflon sheet positioned below the bottom of the heating block while spanning between the both sheet rolls and in contact with the plastic wrapper. may include

And, the sheet roll of the non-stick device is installed in a structure rotatable by operation of a lever, and the Teflon sheet is unwound from one sheet roll and wound on the other sheet roll, so that it is used for a certain period of time It has a feature that it can be used by replacing the heating block contact part of the Teflon sheet.

Such a non-stick device may further include a guide roll for imparting tension to the Teflon sheet while being arranged side by side, respectively, one at a time under each of the sheet rolls.

As a preferred embodiment, the plastic wrapping paper handle attachment device may further include a guide block installed in a structure supported by the device frame and positioned in front of the pusher to guide the progress of the handle inserted between the plastic wrapping paper.

As a preferred embodiment, the plastic wrapping paper handle attachment device is installed in a structure supported on the device frame and arranged side by side at the bottom of the heating block and a die block and a die block cylinder supporting the plastic wrapping paper pressed by the heating block and the handle. may include more.

On the other hand, the present invention provides a plastic wrapping paper having an integrated handle manufactured by a plastic wrapping paper handle attachment device.

The plastic wrapping paper handle attachment device provided by the present invention has the following effects.

First, by applying a new type of handle attachment device that automatically attaches the handle to the plastic wrapper by operating the handle supply part, the handle input part, and the handle fusion part in a linkage, labor cost reduction and productivity improvement due to process automation are promoted There is an effect that can be done.

Second, by removing the protruding part of the handle by inserting the handle inside the two-ply plastic wrapper, it is possible to increase the design freedom of the automation line for the subsequent charging process, and to secure the organic linkage between the processes with the subsequent charging process. There is an effect of improving the efficiency of the subsequent charging process by completely solving the charging defect problem.

Third, the handle does not protrude to the outside of the plastic wrapper and it exhibits appropriate rigidity while providing an excellent grip feeling because the thickness of the handle is thin. It works.

1 to 3 are a perspective view and a cross-sectional view showing a conventional plastic wrapping paper having a handle;
4 is a plan view showing an apparatus for attaching a plastic wrapper handle according to an embodiment of the present invention;
5 is a perspective view showing an apparatus for attaching a plastic wrapping paper handle according to an embodiment of the present invention;
6 and 7 are front views showing the use state of the plastic wrapping paper handle attachment device according to an embodiment of the present invention;
8 to 10 are a perspective view and a cross-sectional view showing a plastic wrapping paper having a handle manufactured by a device for attaching a plastic wrapping paper handle according to an embodiment of the present invention;

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Figure 4 is a plan view showing a plastic wrapping paper handle attachment device according to an embodiment of the present invention, Figure 5 is a perspective view showing a plastic wrapping paper handle attachment device according to an embodiment of the present invention.

4 and 5, the plastic wrapping paper handle attachment device is installed on one side of the plastic wrapping paper manufacturing line and automatically attaches the handle to the plastic wrapping paper. This is a device for manufacturing integrated plastic wrapping paper by inserting the handle inside and pressing and fusion bonding the handle to the plastic wrapping paper using pressure and heat.

To this end, the plastic wrapping paper handle attachment device includes a handle supplying feeder 10 and a handle alignment rail 11 as means for supplying the handle.

The handle supply feeder 10 is a circular vibrating feeder that transports and supplies the handle by an appropriate amount using vibration. It plays a role in discharging.

The feeder 10 for supplying the handle is installed on one side of the plastic wrapping paper manufacturing line so that the handle can be continuously supplied.

The rail for aligning the handle 11 serves to guide the handles discharged from the handle supply feeder 10 so as to proceed in parallel.

The rail 11 for aligning the handle connects between the discharge part of the feeder 10 for handle supply and the handle loading area of the device frame 12, that is, the handle loading area formed in front of the pusher 13, while manufacturing the plastic wrapper. It is installed in a structure arranged side by side along one side of the line.

Accordingly, when the feeder 10 for handle supply is operated, the handles are attached in a row and at the same time progress in the form of being pushed by the ones in the front by the ones in the rear, the handle loading area along the rail 11 for aligning the handle can be supplied with

In addition, the plastic wrapper handle attachment device includes a device frame 12 as a means for supporting each component, such as a pusher cylinder 14 , a heating block cylinder 16 , and a non-stick device 17 .

The device frame 12 is a plate combination type including a base plate and a post plate supported on a frame (not shown) on the plastic wrapping paper manufacturing line side, and an upper plate and a lower plate that are horizontally installed up and down on the front side of the post plate. in the form of a structure of

The pusher cylinder 14 may be installed on the base plate of the device frame 12 , the heating block cylinder 16 on the upper plate, and the non-stick device 17 on the lower plate, respectively.

And, in front of the base plate of the device frame 12, a virtual handle loading area located on the extension line of the rail 11 for aligning the handle is formed, and accordingly, the handle is transferred along the rail 11 for aligning the handle. The frontmost handle can be loaded into the handle loading area by leaving the rail 11 for handle alignment.

In addition, the plastic wrapping paper handle attachment device includes a pusher 13 and a pusher cylinder 14 as a means for inserting the handle into the inside of the plastic wrapping paper.

The pusher cylinder 14 is installed on the base plate of the device frame 12, and the pusher cylinder 14 thus installed is at an angle of 90° with respect to the longitudinal direction of the plastic wrapping paper manufacturing line (eg, the plastic wrapping paper moving direction). It is positioned toward the width direction of the plastic wrapping paper manufacturing line.

The pusher 13 is in the form of a square plate, is coupled to the piston rod of the pusher cylinder 14 and comes into contact with the upper surface of the base plate while taking a horizontal posture, and this pusher 13 is discharged from the rail 11 for aligning the handle It can be located just behind the handle loading area formed in front of the base plate of the device frame 12 while continuing to the side.

Accordingly, during the forward operation of the pusher cylinder 14, the pusher 13 moves forward and pushes the handle located in the handle loading area, and eventually the handle can be inserted between the upper and lower two layers of plastic wrapping paper. .

In addition, the plastic wrapping paper handle attachment device is located on the upper portion of the handle input position between the two layers of plastic wrapping paper and is a means for pressurizing and fusing the handle between the plastic wrapping papers while lifting and lowering the heating block 15 and the heating block cylinder 16. includes

The heating block cylinder 16 is installed in a vertical posture on the upper surface of the upper plate of the device frame 12, and the piston rod of the heating block cylinder 16 installed in this way passes through the upper plate and the lower plate of the lower plate. It can be positioned extended to the bottom.

The heating block 15 is in the form of a rectangular block, and serves to substantially fuse the plastic wrapping paper and the handle by applying heat and pressure to the overlapping plastic wrapping paper and the handle.

The heating block 15 is installed in a structure coupled to the cylinder rod of the heating block cylinder 16 while being positioned at the bottom of the lower plate of the device frame 12 .

And, a heating wire (not shown) is built in the heating block 15, so that the heating block 15 can be fused by pressing the plastic wrapper and the handle while being heated to a predetermined temperature by the heating wire.

Accordingly, during the forward (lower) operation of the heating block cylinder 16, the heating block 15 descends downward to press the plastic wrapping paper and the handle inserted therebetween, and eventually the heating block 15 By heat and pressing force, the plastic wrapping paper and the handle can be fused together as one.

In addition, the device for attaching the plastic wrapping paper handle is interposed between the heating block 15 and the plastic wrapping paper when the handle and the plastic wrapping paper are pressed and fused, and means that the plastic wrapping paper and the heating block 15 do not come into direct contact, that is, the plastic wrapping paper. A non-stick device 17 is included as a means to prevent sticking to the heating block 15 while melting by heat.

The non-stick device 17 includes a support 18 , sheet rolls 19a and 19b and a Teflon sheet 20 .

The support 17 is a "C"-shaped bar shape, and is installed in a fastening structure at the front end of the lower plate of the device frame 12 .

The sheet rolls 19a and 19b serve to support the Teflon sheet 20 as well as to wind and unwind the Teflon sheet 20, and are installed at both ends of the support 17 in a rotatable structure.

The Teflon sheet 20 can be reused several times as a strip-shaped sheet that does not stick even when subjected to heat when the plastic wrapping paper and the handle are fused, and stretched between the sheet rolls 19a and 19b on both sides. It is installed in a falling structure.

The Teflon sheet 20 installed in this way is positioned side by side under the bottom part of the heating block 15, that is, it is positioned between the plastic wrapping paper and the heating block 15, and when the heating block 15 is lowered, the heating block 15 ) while being sandwiched between the bottom of the plastic wrapper and the surface of the plastic wrapper, it is possible to prevent the plastic wrapper from sticking to the heating block 15 .

In particular, the sheet rolls 19a and 19b are installed in a rotatable structure by operation of the lever 21 .

That is, the sheet rolls 19a and 19b are installed in a rotatable structure on the support 17 , and the lever 21 is mounted on the shaft of the sheet rolls 19a and 19b installed in this way, respectively.

Accordingly, when the one lever 21 is turned, the Teflon sheet 20 wound around the one sheet roll 19a is released, and when the other lever 21 is turned, the Teflon sheet released As 20 is wound around the other sheet roll 19b, after using the Teflon sheet 20 for a certain period of time, the heating block contact part of the Teflon sheet 20 that has expired can be used by replacing it with a new part. there will be

In addition, the non-stick device 17 includes a pair of guide rolls 22 that are arranged side by side under each of the sheet rolls 19a and 19b on both sides to apply tension to the Teflon sheet 20 .

The guide roll 22 serves to provide an appropriate tension to the Teflon sheet 20 to always maintain a taut state, and is installed in a rotatable structure at both ends of the support 17 .

Accordingly, the Teflon sheet 20 released from the one sheet roll 19a is spanned over one guide roll 22, and then, after crossing the bottom of the heating block 15, the other guide roll ( 22) and is wound around the other sheet roll 19b.

In addition, the plastic wrapping paper handle attachment device includes a guide block 23 as a means for accurately positioning the handle in the handle loading area and allowing the handle to be inserted along the correct path.

The guide block 23 is installed on one side of the handle loading area formed on the base plate of the device frame 12, and when the handle located in the front of the pusher 13 is inserted between the plastic wrapping paper, the handle of the handle It serves to guide the progress.

For example, when the handle, which is out of the rail 11 for aligning the handle, enters the handle loading area, it cannot proceed further due to the regulation of the guide block 23 and can be accurately positioned within the handle loading area, and When the handle is pushed by the forward movement of the pusher 13, the handle at this time comes into contact with the guide block 23 and is pushed out in an accurate straight line along the path guided by the guide block 23 and is placed at a predetermined position in the plastic wrapper. can be inserted accurately.

In addition, the plastic wrapping paper handle attachment device includes a die block 24 and a die block cylinder 25 as a means for pressing and fusing the plastic wrapping paper and the handle from above and below together with the heating block 15 .

The die block cylinder 25 is installed in a structure supported by the device frame 12 while taking a vertical posture, and the die block 24 is coupled to the cylinder rod of the die block cylinder 25 installed in this way. do.

Here, the die block 24 can support the plastic wrapper and the handle pressed by the heating block 15 while being arranged side by side at the bottom of the heating block 15 .

And, in the case of the die block 24, in the initial state, it may be located below the upper surface of the base plate of the device frame 12, and rises slightly during pressing and fusion, so the upper surface of the die block 24 at this time. And the upper surface of the base plate of the device frame 12 is able to achieve almost the same surface (for example, the same surface that forms a fine step as much as the thickness of a single layer of vinyl), and accordingly, the handle pushed by the pusher 13 is You can easily enter and enter over the bottom one layer of vinyl.

6 and 7 are front views showing the use state of the plastic wrapping paper handle attachment device according to an embodiment of the present invention.

As shown in Figures 6 and 77, the plastic wrapping paper handle attachment device is installed on one side of the plastic wrapping paper manufacturing line, for example, in the next step of the hole drilling step of processing a hole in the handle attachment portion, will be attached

First, the plastic wrapping paper transferred along the plastic wrapping paper manufacturing line is positioned at the handle attachment step.

At this time, the part where the handle is attached to the plastic wrapper is in a state where the upper and lower layers are open in two layers.

In addition, the handle transferred along the feeder 10 for supplying the handle and the rail 11 for aligning the handle is located in the handle loading area.

In this state, when the pusher 13 moves forward by the forward operation of the pusher cylinder 14, the handle in the handle loading area is pushed forward to the top and bottom of the plastic wrapper positioned on the upper surface of the die block 24 2 It is inserted between the layers of vinyl.

Subsequently, when the heating block 15 descends by the forward (lower) operation of the heating block cylinder 16 and at the same time the die block 25 rises by the forward (raise) operation of the die block cylinder 25, The plastic wrapping paper and the handle are pressed by the heating block 15 with the Teflon sheet 20 of the non-stick device 17 interposed therebetween and are supported by the die block 24 and are fused by heat, so the handle is It is integrally attached to the inside of the plastic wrapper (eg, between the two layers of plastic wrapper) in a fused state.

Then, the pusher cylinder 14, the pusher 13, the heating block cylinder 16, the heating block 15, the die block cylinder 25, and the die block 24 are returned to their initial positions, and the handle is attached thereto. One cycle for the handle attachment process is completed as the old plastic wrapper proceeds to the next step and a new plastic wrapper is placed in the handle attachment step.

8 to 10 are a perspective view and a cross-sectional view showing a plastic wrapping paper having a handle manufactured by the device for attaching the plastic wrapping paper handle according to an embodiment of the present invention.

As shown in Figures 8 to 10, here shows the handle-integrated plastic wrapping paper manufactured by the device for attaching the plastic wrapping paper handle of the present invention.

The handle 140 is disposed around the handle hole 110 of the plastic wrapping paper 100 while forming a state embedded between the two layers of vinyl 120 and 130 and is integrally attached to the plastic wrapping paper 100, and this handle 140 ) does not protrude from the surface of the plastic wrapper like the existing handle assembled from the outside, and it can have a relatively thin thickness compared to the existing handle that combines the two.

Therefore, since the handle-integrated plastic wrapping paper can provide an excellent grip, the user can easily pick up and carry it, etc. It is possible to secure organic linkage between processes, such as completely eliminating the interference problem, and at the same time improve the efficiency of the process.

As described above, in the present invention, by providing a handle supply part, a handle input part, a handle fusion part, etc., and by providing a new type of handle attachment device that automatically attaches the handle to the plastic wrapper while operating each of these parts in conjunction , it is possible to reduce labor costs and improve productivity according to process automation, and by removing the protruding part of the handle, it is possible to increase the design freedom of the automation line for the subsequent filling process, and to completely solve the problem of defective contents filling in the subsequent filling process. can improve the efficiency of

10: feeder for supplying the handle
11: Rail for handle alignment
12: device frame
13 : pusher
14: pusher cylinder
15: heating block
16: heating block cylinder
17: Non-stick device
18: support
19a, 19b: sheet roll
20: Teflon sheet (Teflon sheet)
21 : lever
22: guide roll
23 : guide block
24 : die block
25 : die block cylinder

Claims (7)

A device that is installed on one side of the plastic wrapper manufacturing line and automatically attaches a handle to the plastic wrapper,
The feeder 10 for supplying the handle for supplying the handle and the rail 11 for aligning the handle for the in-line progression of the handle, and installed in a structure supported on the device frame 12 side, and the rail 11 for aligning the handle The pusher 13 and the pusher cylinder 14 that are located on the discharge side and operate forward and backward while inserting the handle between the two layers of plastic wrapper, and the device frame 12 while being installed in a structure supported on the side of the device frame 12 A heating block 15 and a heating block cylinder 16 that are located above the input position of the handle between the wrapping paper and press and fuse the handle between the plastic wrappers while lifting and lowering, and the device frame 12. Installed in a structure supported on the side It includes a non-stick device 17 that is interposed between the heating block 15 and the plastic wrapping paper and blocks direct contact between the plastic wrapping paper and the heating block 15 at the time of pressure fusion of the handle and the plastic wrapping paper,
It is possible to manufacture a handle-integrated plastic wrapper by inserting the handle into the plastic wrapper transferred along the plastic wrapper manufacturing line and pressurizing and fusion-bonding the handle to the plastic wrapper using pressure and heat.
The non-stick device 17 includes a support 18 installed on the device frame 12, sheet rolls 19a and 19b installed on both ends of the support 18, and both sheet rolls 19a, 19b. ) is located below the bottom of the heating block 15 while spanning between the Teflon sheets 20 in contact with the plastic wrapping paper,
The sheet rolls 19a and 19b of the non-stick device 17 are installed in a rotatable structure by operation of the lever 21, and the Teflon sheet 20 is unwound from one sheet roll 19a while the other A device for attaching a handle to a plastic wrapper, characterized in that it is installed in a structure that is wound on the sheet roll (19b) of the teflon sheet and can be used by replacing the heating block contact part of the Teflon sheet after use for a certain period of time.
The method according to claim 1,
The die block 24 and the die block cylinder installed in a structure supported by the device frame 12 and placed side by side at the bottom of the heating block 15 to support the plastic wrapper and the handle pressed by the heating block 15 (25) A plastic wrapper handle attachment device, characterized in that it further comprises.
delete delete The method according to claim 1,
The non-stick device 17 is a plastic wrapping paper, characterized in that it includes a guide roll 22 that provides tension to the Teflon sheet 20 while being arranged side by side under each of the sheet rolls 19a and 19b on both sides. handle attachment.
The method according to claim 1,
The plastic wrapping paper handle, which is installed in a structure supported by the device frame 12, and is located in front of the pusher 13, further comprises a guide block 23 for guiding the progress of the handle inserted between the plastic wrapping paper. attachment device.
delete

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