KR101260012B1 - Specialized product pouches and the method andapparatus for forming individual pouches - Google Patents

Abstract

The present invention discloses a bottom bonding apparatus of a self-supporting pouch.
The bottom joining device of the self-supporting pouch according to the present invention is a device for joining the bottom portion of the temporary bag composed of both left and right sides formed by joining both edges of a pair of film fabric, the bottom portion is extended to the outside A work bench having slits formed in an intermediate portion along the longitudinal direction so that the bag enters and moves; It is disposed on both sides of the workbench and rotated by a driving source, the supply bobbin with which the bottom fabric is wound, the recovery bobbin for recovering the bottom fabric, and installed on each side of these supply bobbin and the recovery bobbin, the bottom fabric close to the upper surface of the workbench. First and second guide rollers for guiding and moving the feed rollers for guiding backward movement of the provisional bag installed and installed on one side in front of the worktable; First, second, and third heat joining means having a high temperature sequentially by integrally pressing and heat bonding the temporary bag supplied through the feed roller and the bottom fabric positioned on the upper side thereof; Cooling means installed on one side of the thermal bonding means for cooling the pouch bonded to the bottom portion; It is installed on one side of the cooling means comprises a cutting means for shearing around the bottom of the cooled pouch.
The bottom joining device of the self-contained pouch having such a configuration receives a primary processed bag which is bonded only to both left and right sides, and moves it in a vertically upright state, while separately allowing the bottom fabric to cover the bottom side of the bag. By forming the bottom part through the thermal bonding process, the cooling process, and the trimming process, it is possible to increase the productivity by separating the manufacturing process of the bag and the bonding process of the bottom, which enables economical manufacturing and eliminates the waste caused by the overlapping investment of equipment. Industrially useful effects that can be resolved are expected.

Description

Floor joining device for self-supporting pouch and joining method {SPECIALIZED PRODUCT POUCHES AND THE METHOD ANDAPPARATUS FOR FORMING INDIVIDUAL POUCHES}

The present invention relates to a bottom joining device and a bonding method of a self-supporting pouch that can prevent leakage or spillage of the contents, and more particularly, both sides are open and the bottom film is attached to the bottom by receiving a temporary envelope made of only an outer wall. It relates to a bottom joining device and a joining method of a self-supporting pouch for forming a portion.

In general, laundry and kitchen synthetic detergents are mainly used in plastic containers, and if the contents cannot be replenished after all the contents are used up, the packaging containers themselves cannot be recycled and disposed of. However, in recent years, refills have been produced in which liquid laundry and kitchen synthetic detergents are packaged in pouches made of synthetic resin films or plastic sheets (SHEET) to recycle plastic packaging containers.

In other words, since plastic containers are expensive to manufacture, in recent years, low-priced pouch containers have been developed and used so that only the contents can be refilled. However, in the case of such refillable pouch containers, the contents are leaked by easily falling down. there was.

These conventional self-supporting pouches are largely formed by successively joining left, right sides and bottom portions, and were manufactured using one bonding apparatus. That is, the bonding apparatus receives the sheets corresponding to the left and right sides and the bottom portion through the respective supply elements, and joins the adjacent edge portions thereof in a state where they are arranged to connect the left and right sides and the bottom portion, Subsequently, the left and right sides of the left and right sides are erected with respect to the bottom portion, and both edge portions of the left and right sides are arranged to be in contact with each other, and then bonded to each other. In addition, due to the necessity of a large installation space, not only the burden of spending excessive costs on equipment investment, but also the disadvantage of economical manufacturing is difficult, and the defect rate is high as manufactured by a continuous process.

In addition, the completed self-contained pouch has a bottom portion, which is not easy to store and distribute, which leads to an increase in logistics costs, and due to the characteristics of the pouch, small quantities of many kinds of products are produced by order production, so the mold (frame) of the device is ordered. Inevitably, there was an inevitable redundancy of equipment because the company had to change the production cost and produce the product within a short time.

The present invention was created in order to solve the problems of the prior art as described above, an object of the present invention is a separate bottom fabric while moving the bottom surface unfolded in an upright state as a base material of the opening and closing the opening bag It is to provide a bottom joining device and a joining method of the self-supporting pouch to enable mass production and economical manufacturing through the simplification of the process by supplying the bottom to form a bottom.

The bottom joining device of the self-supporting pouch according to a preferred embodiment of the present invention for realizing the above object is a device for joining the bottom portion of the temporary bag consisting of both left and right sides joined to the edges of a pair of film fabric The workbench having a slit formed in the middle portion along a longitudinal direction to enter and move the bag whose bottom portion is extended to the outside; It is disposed on both sides of the workbench and rotated by a driving source, the supply bobbin with which the bottom fabric is wound, the recovery bobbin for recovering the bottom fabric, and installed on each side of these supply bobbin and the recovery bobbin, the bottom fabric close to the upper surface of the workbench. First and second guide rollers for guiding and moving the feed rollers for guiding backward movement of the provisional bag installed and installed on one side in front of the worktable; First, second, and third heat joining means having a high temperature sequentially by integrally pressing and heat bonding the temporary bag supplied through the feed roller and the bottom fabric positioned on the upper side thereof; Cooling means installed on one side of the thermal bonding means for cooling the pouch bonded to the bottom portion; Installed on one side of the cooling means characterized in that it comprises a cutting means for shearing around the bottom of the cooled pouch.

As a preferred feature of the present invention, the first, second and third thermal joining means includes: a movable cylinder for elevating the rod by a drive source; A fusion pressurizing plate provided at the rod end of the movable cylinder and configured to pressurize an upper surface of the bottom fabric to generate heat by being supplied with power; It is configured to include a counter plate provided on one side of each upper surface of the work table corresponding to the fusion pressure plate.

In another preferred aspect of the present invention, the cooling means is a cooling block having a cooling water passage receiving coolant from the outside therein, and the cutting means is provided with a cutting cylinder for elevating the rod by a driving source and a rod end of the cutting cylinder. The blade block provided with the blade which shears with respect to the remaining part except the bottom part of a pouch, and the cutting board provided in the upper side of the work table corresponding to this blade block are comprised.

The bottom bonding method of the self-supporting pouch according to the preferred embodiment of the present invention is to prepare a temporary bag consisting of both left and right sides joined by bonding both edges of a pair of film fabric, but to prepare the expanded bottom portion facing upwards Preparation step; A disposing step of disposing a bottom fabric for forming a bottom portion on top of the temporary bag; Joining the bottom fabric and the edges of the extended bottom portion of the temporary bag by integrally heating and pressing to bond them by heat fusion; Cooling step of forcibly cooling the pouch bonded to the bottom portion; Characterized in that the trimming step is performed by cutting the bottom fabric of the remaining portion except the bottom portion in the cooled pouch.

The bottom joining device of the self-contained pouch according to the present invention receives the first processed temporary bag bonded only to the left and right sides and moves it in a vertically upright state to separate the bottom fabric to cover the bottom side of the bag separately. By forming the bottom part through thermal bonding process, cooling process, and trimming process, it is possible to increase the productivity by separating the manufacturing process of the bag and the bonding process of the bottom part. An industrially useful effect is expected to solve this problem.

That is, in the case of temporary bags, the temporary bags are manufactured by a relatively simple process of thermally joining both edges of a pair of fabrics forming the left and right sides, so that these bags are produced using a separate processing apparatus, and in this state, By performing the sub-joining process independently, it is easy to change and remodel the mold (frame) by the order production method, and there is an advantage that it is possible to produce an economic product in a short time.

The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. Prior to that, terms and words used in the present specification and claims should not be construed in a conventional and dictionary sense, and the inventor may properly define the concept of the term in order to best explain its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

1 is a schematic perspective view for explaining the configuration of the bottom bonding apparatus of the self-supporting pouch according to an embodiment of the present invention,
Figure 2 is a front view of the bottom bonding apparatus of the self-supporting pouch according to the present invention,
Figure 3 is a schematic diagram for explaining the bonding process by the bottom bonding apparatus of the self-supporting pouch according to the present invention,
Figure 4 is a flow chart for explaining the bottom joining method of the self-supporting pouch according to the present invention,
Figure 5 is a schematic diagram for explaining the bottom bonding process of the self-supporting pouch according to another embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, a bottom joining apparatus and a joining method of a self-supporting pouch according to the present invention will be described. It should be noted that like elements or parts in the figures are denoted by the same reference numerals as much as possible. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

1 is a schematic perspective view for explaining the configuration of the bottom joining device of the self-supporting pouch according to the present invention, in the drawing is a work table 5 supported by the frame 3, and installed on both sides of the work table 5 First guide for horizontally moving the supply bobbin 7 and recovery bobbin 9 for supplying and recovering the bottom fabric 75 by the driving source, and horizontally moving the bottom fabric 75 in proximity to the upper side of the work table 5. 2, the first guide rollers 7r and 9r, the supply roller 6 for guiding the temporary bag 71 to be moved backwards, and the temporary bag 71 and the bottom fabric 75 are joined together by heat fusion. , 2, 3 thermal bonding means (10, 20, 30), the cooling means 40 for cooling the pouch 70 bonded by thermal fusion, and the bottom fabric of the remaining portion except the bottom of the cooled pouch 70 Cutting means 50 for shearing 75 are shown.

Figure 2 is a view of the bottom bonding apparatus of the self-supporting pouch according to the present invention as seen from the front, in the figure is a temporary bag 71 that is inserted into the work table 5 in a vertically arranged so that the bottom side is located upwards, The bottom fabric 75 horizontally disposed above the temporary bag 71 and the first, second and third row joining means 10 for molding the temporary bag 71 and the bottom fabric 75 into pouches as a finished product. 20, 30 and a configuration in which the cooling means 40 and the cutting means 50 are sequentially arranged are shown.

Figure 3 is a schematic diagram for explaining the bonding process according to the present invention Figure 5 is a schematic diagram for explaining the bottom bonding process of the self-supporting pouch according to another embodiment of the present invention, Figure 4 is a self-supporting type according to the present invention As a flow chart for explaining a bottom portion bonding method of the pouch, in the drawing, the bottom fabric 75 is disposed above the bottom portion of the temporary bag 71 whose bottom portion is extended outward, and the bottom portion is formed by thermal bonding. The process of completing the bottom of the pouch through cooling and shearing is then shown.

With reference to the drawings will be described in detail the configuration of the present invention.

The bottom joining device 1 of the self-supporting pouch of the present invention is disposed on both sides of the frame 3, which is largely framed, a worktable 5 provided on the upper side of the frame 3, and the worktable 5. The supply bobbin (7) and recovery bobbin (9) and one side of each of the supply bobbin (7) and recovery bobbin (9) for supplying and transporting the bottom fabric (75) and recovering the trimmed bottom fabric (75) after the trimming step. Transporting the first and second guide rollers 7r and 9r installed at the rear surface, the supply element for feeding and supplying the temporary bag 71 to the work table 5, and the temporary bag 71 introduced to the work table 5 to the rear. And a first, second and third thermal joining means (10, 20, 30) for thermally bonding the bottom fabric (75) to the bottom of the temporary bag (71), and the thermal fusion. Cooling means (40) for rapidly cooling the bonded pouch (70) and cutting means (50) for completing the pouch (70) by shearing the remaining portions except the bottom part. do.

The work table 5 is a plate-shaped member which is placed on the upper part of the frame 3 forming a frame, and a slit 5s is formed at an intermediate portion along the longitudinal direction. At this time, the slit 5s provides a path through which the temporary bag 71 passes and has a space enough to allow the temporary bag 71 to sufficiently pass.

This worktable 5 is configured by arranging two plate members at regular intervals, that is, at intervals to form the slits 5s.

The supply bobbin 7 is provided on one side of the frame 3 into which the provisional bag 71 is inserted, and is configured to rotate in one direction by the driving force of the drive source, and the bottom fabric 75 is wound around its outer circumferential surface. Since the supply bobbin 7 is implemented by a known technique, detailed description thereof will be omitted.

The recovery bobbin 9 is installed on the other side of the frame 3 opposite to the supply bobbin 7 and rotates in one direction by the driving force of the driving source. The recovery bobbin 9 serves to recover the bottom fabric 75 supplied from the supply bobbin 7 and may also be carried out by a known technique, and thus detailed description thereof will be omitted.

The first and second guide rollers 7r and 9r are respectively installed on the lower side of the recovery bobbin 9 and the lower side of the supply bobbin 7 to stably transport the bottom fabric 75.

The first guide roller 7r and the twenty-second guide roller 9r are formed by arranging rollers up and down, respectively, and the bottom fabric 75 is passed therebetween. In addition, the first and second guide rollers 7r and 9r are disposed such that the bottom fabric 75 is moved closer to the upper surface of the worktable 5, and in the case of the first guide roller 7r to the lower side thereof. When the extended bottom portion of the bag 71 is in contact with the bottom portion does not fold and serves to guide the movement to the expanded state.

The feed roller 6 is installed at one front side of the workbench 5 and transfers the provisional bag 71 introduced into the slit 5s of the workbench 5 to the rear side, that is, the first thermal bonding means 10 side. It is the element that plays the role of moving. Although not shown, the feed roller 6 is composed of a plurality of rollers rotated by a driving source, and these rollers are arranged to move by being rotated in contact with both sides of the bag 71 while being vertically disposed. to be. Since this supply roller 6 may be implemented by a well-known technique, detailed description is abbreviate | omitted.

The first, second, third thermal bonding means (10, 20, 30) is heat-sealed by integrally pressing the temporary bag 71 that is moved through the feed roller 6 and the bottom fabric 75 located above it As an element to bond together, it sets so that it may have a high temperature sequentially.

For example, the first thermal bonding means 10 is a temperature of 85 ~ 105 ℃ go to the primary bonding the bag 71 and the bottom fabric 75 by thermal fusion, the second thermal bonding means 20 Heat-bonding to a temperature not exceeding 121 ° C., which is a 5 to 15% elevated temperature with respect to the first thermal bonding means 10, wherein the third thermal bonding means 30 is the second thermal bonding means 20 It may be heat bonded to a temperature that does not exceed 140 ° C., which is a 5-15% rise in temperature.

The first, second, and third row joining means 10, 20, 30 are movable cylinders 11, 21, 31 for elevating a rod by respective driving sources, and the movable cylinders 11, 21, 31. A fusion pressure plate (13, 23, 33) that is provided at the end of the rod and pressurizes the upper surface of the bottom fabric (75) to generate heat under power supply, and the work table (5) corresponding to the fusion pressure plate (13, 23, 33) Each of the upper surface of the mating plate (15, 25, 35) is provided on one side.

Cooling means 40 is installed on one side of the third thermal bonding means 30 to cool the pouch 70 bonded to the bottom portion, the cooling water passage 43 for receiving the cooling water from the outside is formed It consists of a cooling block 41. The cooling block 41 is preferably formed with a groove on the lower surface so that the pouch bonded to the bottom portion can pass.

The cutting means 50 is an element that is installed at one side of the cooling means 40 to shear around the bottom of the cooled pouch 70.

The cutting means 50 is provided with a cutting cylinder 51 for elevating the rod by a driving source, and a blade provided at the end of the rod of the cutting cylinder 51 so as to shear the remaining portion except the bottom of the pouch 70. The blade block 53 is provided, and the cutting plate 55 is provided on the upper side of the work table 5 corresponding to the blade block 53.

Reference numeral 4 denotes an input element for feeding into the slit 5s of the work table 5 while the temporary bag 71 is stored, and this input element is used to automate the temporary bag 71 by automation. It is preferable to be configured to be put into the worktable (5) one by one.

Referring to the bottom bonding method of the self-supporting pouch according to the present invention configured as described above are as follows.

First, a temporary bag 71 composed of both left and right sides formed by bonding both edges of a pair of film fabrics is prepared. At this time, the temporary bag 71 should be prepared so that the extended bottom portion faces upward. (S1)

Second, the temporary bag 71 is put into the slit 5s of the worktable 5, and the bottom fabric 75 is arranged above it (S2).

Third, the bottom fabric 75 and the edges of the extended bottom portion of the temporary bag 71 are sequentially fusion-bonded at a high temperature using the first, second, and third row bonding means 10, 20, and 30. (S3)

Briefly explaining the bonding step, the primary bonding at a temperature below the melting point of the temporary bag 71 and the bottom fabric 75, and secondary bonding at a temperature 5 to 15% elevated relative to the primary bonding temperature, Tertiary splicing will be possible with a 5-15% increase in temperature over the secondary splicing temperature. Through this process it is possible to prevent the bonding failure while increasing the bonding strength of the temporary bag 71 and the bottom fabric (75).

Fourth, the pouch 70 bonded to the bottom portion is forcedly cooled using the cooling means 40. Here, the third thermal bonding means 30 and the cooling means 40 may be viewed as an annealing process, and the third thermal bonding means 30 may include a temporary bag 71 and a bottom fabric ( 75) has a temperature below the melting point.

Fifth, since the pouch 70 finishes the cooling process, the bottom fabric 75 is attached, and trims the remaining portions except the bottom of the pouch 70 by using the cutting means 50. S5)

Figure 5 is a schematic diagram for explaining the bottom bonding apparatus and bonding process of the self-supporting pouch according to another embodiment of the present invention.

The bottom bonding apparatus of the self-supporting pouch in the present embodiment is similar to the configuration of the above-described embodiment, and thus detailed drawings are omitted. However, the bottom bonding apparatus of the self-supporting pouch in the present embodiment enters the temporary envelope 71 as it is, and instead, the bottom fabric 75 is folded in half so as to be disposed between the bottoms of the temporary envelope. Then, the fusion pressure plate and the mating plate on both sides thereof are arranged and bonded by thermal bonding, and the cooling means and the cutting means are also made to work in a vertically arranged state.

In summary, in the present embodiment, the bottom fabric 75 is folded in half, and is introduced between the bottom portions of the bag 71, and the first, second, and third row joining means, the cooling means, and the cutting means 50 on both sides thereof. It is arranged so that each process is performed.

The figure shows that the folding guide element (hf) having a folding guide piece integrally with one side of the first guide roller or the first guide roller in order to fold the bottom fabric 75 in half for the sake of understanding. On both sides of the temporary bag 71 into which the bottom fabric 75 is folded, the fusion pressure plate 13 'and the counter plate 15' which are one of the elements constituting the first, second, and third row bonding means are vertical. The cutting means 50 'for vertically arranging the cut-out bag 71 is shown vertically.

On the other hand, Figures 6 and 7 is a view for explaining the various bottom shape is possible according to the shape of the first, second, third thermal bonding means (10, 20, 30) and the cutting means 50 of the present invention.

That is, when the temporary bag 71 and the bottom fabric 75 are bonded to each other, when the shape of the fusion pressure plate constituting the first, second, and third row joining means is oval or polygon, the shape of the joint forms an oval or polygonal shape. The blade of the cutting means 50 can also be sheared in the shape of the blade to be oval or polygonal.

On the other hand, the present invention is not limited to the described embodiments, it is possible to use and change the application site, it is common in the art that various modifications and variations can be made without departing from the spirit and scope of the present invention. It is self-evident to those who have knowledge. Therefore, such modifications or variations will have to belong to the claims of the present invention.

Claims (5)

In the apparatus for joining the bottom portion of the temporary bag consisting of both left and right sides formed by joining the edges of the pair of film fabrics,
A work table 5 in which a slit 5s is formed in the middle portion along the longitudinal direction so that the temporary bag 71 having the bottom portion directed upward enters and moves;
Arranged at both ends of the worktable (5) and rotated by a drive source, the supply bobbin (7) wound around the bottom fabric (75) and the recovery bobbin (9) for recovering the bottom fabric (75) and these supply bobbins ( 7) and the first and second guide rollers 7r and 9r installed on each side of the recovery bobbin 9 to guide the bottom fabric 75 closer to the upper surface of the worktable 5 and the worktable. A supply roller 6 for guiding and moving the provisional bag 71 inserted and installed at one front side of the back;
First heat bonding means (10) for heat-sealing the temporary bag (71) supplied through the feed roller (6) and the bottom fabric (75) located above the temperature at a temperature of 85 ~ 105 ℃, the first By the second thermal bonding means 20 and the second thermal bonding means 20 for thermally bonding the bottom fabric 75 thermally fused by the first thermal bonding means 10 to a temperature not exceeding 121 ° C. Third thermal bonding means (30) for thermally bonding the bottom fabric (75), which is heat-bonded, to a temperature not exceeding 140 deg.
Cooling means (40) installed on one side of the thermal bonding means for cooling the pouch (70) bonded to the bottom;
It is configured to include a cutting means 50 is installed on one side of the cooling means 40 to shear around the bottom of the cooled pouch 70,
The temporary bag 71 is moved along the slit 5s of the worktable 5 with the bottom part extended outward, and the bottom fabric 75 moves the upper part of the extended temporary bag 71 to the outside. The bottom joining device of the self-supporting pouch, characterized in that bonded by the first, second, third row bonding means (10, 20, 30) in the state put in to cover.
The method of claim 1, wherein the first, second, third thermal bonding means (10, 20, 30),
Movable cylinders (11, 21, 31) for moving the rod by a drive source;
A fusion pressure plate (13, 23, 33) provided at the rod ends of the movable cylinders (11, 21, 31) to generate heat under power supply by integrally pressing the bottom fabric (75) and the bottom of the bag;
Mating plates (15,25,35) provided on each side of the worktable (5) corresponding to the fusion pressure plate (13, 23, 33);
Bottom joining device of a self-contained pouch, characterized in that comprising a.
According to claim 1, wherein the cooling means is a cooling block 41 formed with a cooling water passage 43 for receiving cooling water from the outside therein,
The cutting means 50 is provided with a cutting cylinder 51 for elevating the rod by a driving source and a blade that is provided at the end of the rod of the cutting cylinder 51 to shear the remaining portion except the bottom of the pouch 70. One blade block (53) and the bottom plate joining device of the self-supporting pouch characterized in that it comprises a cutting plate (55) provided on the upper side of the work table (5) corresponding to the blade block (53). delete delete

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