KR101450154B1 - Film feeding machine for packaging refrigerator using heat shrink film - Google Patents

Abstract

The present invention relates to a film feeder for a refrigerator heat shrink film packaging apparatus, and more particularly, to a film feeder for a refrigerator heat shrink film packaging apparatus, and more particularly to a film feeder for a refrigerator heat shrink film packaging apparatus, And a process for automatically welding the tube-shaped heat-shrinkable film to the refrigerator is automatically performed so that the tube-shaped heat-shrinkable film can be automatically attached to the refrigerator.
A film feeder for a refrigerator heat shrink film packaging apparatus according to the present invention comprises: a film feeder for supplying a tube-shaped heat shrinkable film having a property of being contracted by heat; A film lapping device for covering the heat shrink film to the refrigerator so that the refrigerator is inserted into the inner space of the heat shrink film supplied from the film feeder; A film shrinker for shrinking the heat shrinkable film put on the refrigerator and applying heat to the heat shrinkable film so as to be in close contact with the refrigerator; A refrigerator transfer means for transferring the refrigerator to a predetermined working position of the film lapping device and the film shrinking device; Wherein the film feeder comprises a film supplier provided with a rotatable film take-up roll in which both side surfaces of the heat shrinkable film are folded in the inward direction and are wound in a flat strip shape, A film feeding part for moving the heat shrinkable film forward or backward by a frictional rotational force in accordance with the rotational direction of the drive roll interposed between the roll and the driven roll pressed by the drive roll, A film fusing section for cutting the heat shrink film forwardly moved from the film feeding section to a predetermined length; a film fusing section for thermally fusing the rear end of the heat shrink film cut by the film cutting section; And a film supply control section for controlling the operation of the film cutting section and the film fused portion Characterized in that comprised over.

Description

TECHNICAL FIELD [0001] The present invention relates to a film feeder for a refrigerator heat shrink film packaging apparatus,

The present invention relates to a film feeder for a refrigerator heat shrink film packaging apparatus, and more particularly, to a film feeder for a refrigerator heat shrink film packaging apparatus, and more particularly to a film feeder for a refrigerator heat shrink film packaging apparatus, And a process for automatically welding the tube-shaped heat-shrinkable film to the refrigerator is automatically performed so that the tube-shaped heat-shrinkable film can be automatically attached to the refrigerator.

Refrigerators are typically packaged in paper-based boxes that protect the product when it is shipped for sale.

However, in the case of paper box made of paper, the use of wood, which is a raw material of paper, raises the risk of natural damage, and the cost is relatively high, resulting in an increase in cost, difficulty in handling due to the volume of packaging after completion of distribution, , The cost of recycling processing after collection is increased, and there is a difficulty in managing inventory by size due to marketing of a small quantity of products by the manufacturer.

In order to overcome the disadvantages of the box packaging of paper materials as described above, Korean Patent Laid-Open Publication No. 10-2000-0069218 (published on November 25, 2000) discloses a "machine for wrapping a product with heat- There is a bar.

However, the above-mentioned prior art has a problem in that it is difficult to apply to a large-sized product such as a refrigerator which is bulky and heavy in weight and which has a limited freedom of movement during packaging.

On the other hand, Korean Patent Laid-Open No. 10-2012-0050630 (date of publication: 2012.05.21) has proposed a "heat-shrinkable film packaging apparatus"

However, the above-mentioned other conventional techniques have not mentioned the process of wrapping the heat shrinkable film on the product, and thus there is a limit to building an overall automation system of the heat shrinkable film packaging apparatus.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the prior art as described above, and it is an object of the present invention to solve the above-mentioned problems of the prior art, and to provide a heat- shrinkable film- And a process of automatically fusing a tube-shaped heat-shrinkable film to a refrigerator by automatically performing a series of processes of fusing and cutting the rear end portion to a length of a predetermined length.

According to an aspect of the present invention, there is provided a film feeder for a refrigerator heat shrink film packaging apparatus, comprising: a film feeder for supplying a tubular heat shrinkable film having a property of being contracted by heat; A film lapping device for covering the heat shrink film to the refrigerator so that the refrigerator is inserted into the inner space of the heat shrink film supplied from the film feeder; A film shrinker for shrinking the heat shrinkable film put on the refrigerator and applying heat to the heat shrinkable film so as to be in close contact with the refrigerator; A refrigerator transfer means for transferring the refrigerator to a predetermined working position of the film lapping device and the film shrinking device; Wherein the film feeder comprises a film supplier provided with a rotatable film take-up roll in which both side surfaces of the heat shrinkable film are folded in the inward direction and are wound in a flat strip shape, A film feeding part for moving the heat shrinkable film forward or backward by a frictional rotational force in accordance with the rotational direction of the drive roll interposed between the roll and the driven roll pressed by the drive roll, A film fusing section for cutting the heat shrink film forwardly moved from the film feeding section to a predetermined length; a film fusing section for thermally fusing the rear end of the heat shrink film cut by the film cutting section; And a film supply control section for controlling the operation of the film cutting section and the film fused portion Characterized in that comprised over.

According to another aspect of the present invention, there is provided a film feeder for a refrigerator heat shrink film packaging apparatus, further comprising a film tension adjusting unit for adjusting a tension applied to the heat shrinkable film between the film feeder and the film feeding unit, Wherein the regulating portion includes a plurality of support rolls for supporting the heat shrinkable film between the film feeder and the film feeding portion in a zigzag shape, and at least one of the plurality of support rollers acts on the heat shrinkable film between neighboring support rolls And a tension regulating support roll whose position changes according to a tension applied to the tension regulating member.

According to another aspect of the present invention, there is provided a film feeder for a refrigerator heat shrink film packaging apparatus, wherein the film supply unit is further provided with a pair of adhesive prevention pins inserted into the folded portions on both sides of the heat shrinkable film from behind the film winding roll .

Further, in the film feeder for a refrigerator heat shrink film packaging apparatus according to the present invention, it is preferable that the film winding roll is composed of two pieces of a first film winding roll and a second film winding roll, Wherein the driven roll is constituted by two pieces of a first driving roll and a second driving roll which are disposed at left and right positions so as to correspond to the roll and the second film winding roll, respectively, and the driven roll has a position between the first driving roll and the second driving roll Wherein the film supply control unit is configured to be able to move left and right so as to be pressed to either the first drive roll or the second drive roll at the first film winding roll, Shrinkable film wound on the roll is exchanged, and the movement of the driven roll in the left-right direction is controlled.

According to the above construction, the film feeder for a refrigerator heat shrink film packaging apparatus according to the present invention is characterized in that the tube-like heat shrinkable film wound in a flat strip shape is loosened to the film winding roll, A series of processes for fusing and cutting the parts are automatically performed, so that the tubular heat-shrinkable film can be automatically supplied to the refrigerator.

In addition, the film feeder for a refrigerator heat shrink film packaging apparatus according to the present invention has an advantage in that the tension applied to the heat shrinkable film between the film feeder and the film feeding part can be controlled through the film tension adjuster, and both sides are folded inward There is an advantage that both side surfaces of the heat shrinkable film can be prevented from being adhered to each other through the anti-adhesion fins inserted into both side surfaces of the heat shrinkable film wound in a strip shape.

In addition, the film feeder for a refrigerator heat shrink film packaging apparatus according to the present invention includes two film winding rolls and a corresponding number of driving rolls and driven rolls, and can supply different kinds of heat shrinkable films according to the standard of the refrigerator, There is an advantage that mixed production is possible.

1 is a schematic view of a refrigerator heat shrinkable film packaging apparatus according to an embodiment of the present invention
2 is a front view of a film feeder according to an embodiment of the present invention.
FIGS. 3 and 4 are front views showing a main part operation state of the film feeder according to the embodiment of the present invention. FIG.
5 is a front view showing an operation state of the tension adjusting unit of the film feeder according to the embodiment of the present invention.
6 is a perspective view conceptually showing a film supply unit of a film feeder according to an embodiment of the present invention.

Hereinafter, a film feeder for a refrigerator heat shrink film packaging apparatus according to the present invention will be described in detail with reference to the embodiments shown in the drawings.

1 is a configuration diagram of a refrigerator heat shrinkable film packaging apparatus according to an embodiment of the present invention.

1, a refrigerator heat shrink film packaging apparatus according to an embodiment of the present invention includes a film feeder 10 for supplying a tube-shaped heat shrinkable film F having a property of being contracted by heat; A film wrapping machine 20 for wrapping the heat shrink film F on the refrigerator R so that the refrigerator R is inserted into the internal space of the heat shrink film F supplied from the film feeder 10; A film shrinker 30 for shrinking the heat shrinkable film F covering the refrigerator R and applying heat to the heat shrinkable film F so as to be in close contact with the refrigerator R; A refrigerator transfer means (40) for transferring the refrigerator (R) to a predetermined working position of the film wiping device (20) and the film shrinking device (30); .

FIG. 2 is a front view of a film feeder according to an embodiment of the present invention, FIGS. 3 and 4 are front views showing a main part operation state of a film feeder according to an embodiment of the present invention, 6 is a perspective view conceptually showing a film supply unit of a film feeder according to an embodiment of the present invention.

2 to 6, the film feeder 10 is configured to supply a tubular heat shrinkable film F having a property of being contracted by heat to the film lapping machine 20, A film feeding section 12 and a film tension adjusting section 13, a film cutting section 14, a film fused section 15 and a film supply control section 16 .

The film supplier 11 includes a film wound roll 111 and an adhesion preventive pin 112 in a configuration in which the film shaper 12 is provided with a heat shrinkable film F in a wound state.

The film take-up roll 111 is configured such that both sides of a heat-shrinkable film F formed in a tubular shape are folded inward to be wound in a flat strip shape, and is rotatable so that the wound heat-shrinkable film F can be unwound. The rotation of the film take-up roll 111 may be configured to be rotated by a force pulling the heat shrinkable film F from the film feeding section 12, but the servo motor controlled by the film supply control section 16 ) And the like so that the rotation speed is controlled and rotated.

Meanwhile, in an embodiment of the present invention, the film winding roll 111 may be formed by winding a heat shrinkable film F having different specifications and winding the first film winding roll 111a and a second film take-up roll 111b.

The anti-adhesion pins 112 are formed as a pair and are inserted into the folded portions on both sides of the heat shrinkable film F from the rear of the film take-up roll 111.

That is, when the tubular heat-shrinkable film F is folded in the form of a flat strip, both side surfaces can be mutually adhered due to the characteristics of the material. As shown in FIG. 6, The folded side faces are forcibly opened by the anti-adhesion pins 112 in the process of unfolding, so that it is possible to smoothly return to the tubular shape in a flat shape.

The film feeding part 12 is configured to move the heat shrinkable film F to be unwound from the film winding roll 111 in the direction of the film wrapping machine 20, And a driven roll 122. As shown in Fig.

The drive roll 121 is configured to be rotated by an external force and is configured to be rotated by a servo motor (not shown) whose rotation speed is controlled by the film supply control unit 16 in the same manner as the film winding roll 111 .

Meanwhile, in one embodiment of the present invention, the driving roll 121 includes a first driving roll 121a and a second driving roll 121b which are disposed at left and right positions corresponding to the first film winding roll 111a and the second film winding roll 111b, respectively, And a second driving roll 121b.

As shown in FIG. 3, in the embodiment of the present invention, the first driving roll 121a and the second driving roll 121 are rotated by friction with the driving roll 121, Is controlled by the film supply control unit (16) at a position between the first driving roll (121a) and the second driving roll (121b) by the operation of the driving roll left and right driving cylinders (1221) So as to be able to be squeezed.

That is, in order to move the heat shrinkable film F wound on the first film take-up roll 111a, the driven roll 122 is moved so as to be pressed on the first drive roll 121a, The driven roll 122 is moved to be pressed on the second driving roll 121b in order to move the heat shrinkable film F wound on the second driving roll 121b.

The heat shrinkable film F that is unwound from the film take-up roll 111 is interposed between the drive roll 121 and the driven roll 122 and is moved in the direction of rotation of the drive roll 121, (F) is moved forward or backward.

When the heat shrinkable film F is moved forward, the heat shrinkable film F is supplied to the film lapping apparatus 20. When the heat shrink film F is moved backward, The first film winding roll 111a or the second film winding roll 111b is selected in order to change the standard of the heat shrinkable film F to be supplied.

The film tension adjusting unit 13 is configured to adjust the tensile force acting on the heat shrinkable film F between the film supplier 11 and the film feeding unit 12. In this embodiment, A plurality of support rolls 131 for supporting the heat shrinkable film F between the film feeder 11 and the film feeding part 12 in a staggered configuration in the structure of the film tension adjusting part 13, And at least one of the plurality of support rollers 131 is a tension adjusting support roll 131 'that changes its position between the neighboring support rolls 131 in accordance with the tension acting on the heat shrinkable film F .

The tension regulating support roll 131 'may be configured to be elastically supported in a direction to apply pressure to the heat shrinkable film F by a spring (not shown) or the like. However, in order to simplify the structure, Shrinkable film F between adjacent support rolls 131 by the own weight of the heat-shrinkable film 131 '.

The film cutting unit 14 is controlled by the film supply control unit 16 and feeds the heat shrinkable film F forwardly moved from the film feeding unit 12 to a predetermined length corresponding to the length of the refrigerator R for wrapping .

3 and 4, the film cutting unit 14 includes a pair of guide blocks 141, a blade 142, and a driving cylinder 143. In this embodiment, do.

The pair of guide blocks 141 are provided so as to be able to move forward and backward in mutually opposing directions with the heat shrinkable films F sandwiched therebetween, The heat-shrinkable film F is supported by the upper contact projection 141a and the lower contact projection 141b so that the heat-shrinkable film F is not dropped when the upper and lower contact projections 141a and 141b are closely contacted with each other.

The blade 142 is positioned at a position between the upper contact projection 141a and the lower contact projection 141b to cut the heat shrinkable film F supported by the pair of guide blocks 141, F are cut.

The driving cylinder 143 is controlled by the film supply control unit 16 to drive the guide block 141 such that the pair of guide blocks 141 are moved in a direction opposite to each other.

The film fused portion 15 is configured to thermally fuse the rear end portion of the heat shrinkable film F cut by the film cutting portion 14.

That is, the film fusing part 15 is provided with the heat shrinkable film F to be sealed by the film wrapping machine 20 by closing the rear end of the heat shrinkable film F cut by the film cutting part 14, F is covered, the upper end of the refrigerator R is covered by the closed rear end of the heat shrinkable film (F).

The film cutting portion 14 and the film fused portion 15 are operated substantially simultaneously. Specifically, after the rear end portion of the heat shrinkable film F is fused by the film fused portion 15, It is preferable to cut the rear end portion of the heat shrinkable film (F) by the heat-shrinkable film (14).

If the lower contact projection 141b of the guide block 141 is configured to be the film fused portion 15, the heat shrinkable film F by the blade 142 is cut and the lower contact projection 141b The heat-shrinkable film (F) can be thermally fused to the rear end of the heat shrinkable film (F).

The film supply control unit 16 controls the rotation of the film winding roll 111 and the driving roll 121 and controls the operation of the blade 142 and the driving cylinder 143 of the film cutting unit 14 , And controls the operation of the film fused portion (15).

The film feeder for a refrigerator heat shrink film packaging apparatus described above and shown in the drawings is only one embodiment for carrying out the present invention and should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is defined only by the matters set forth in the following claims, and the embodiments improved and changed without departing from the gist of the present invention are obvious to those having ordinary skill in the art to which the present invention belongs It will be understood that the invention is not limited thereto.

F heat shrinkable film
R refrigerator
10 film feeder
11 Film-making
111 film winding roll
111a first film winding roll
111b Second film winding roll
112 Adhesion prevention pin
12 film feeding part
121 drive roll
121a first drive roll
121b Second drive roll
122 driven roll
13 Film tension adjusting section
131 support roll
131 'tension regulating support roll
14 Film cutting part
141 Guide Block
141a upper contact projection
141b Lower contact projection
142 blade
143 drive cylinder
15 film fused portion
16 film supply control unit
20 film wrapping machine
30 film systole
40 Refrigerator transporting means

Claims (4)

A film feeder for supplying a tubular heat-shrinkable film having a property of being contracted by heat; A film lapping device for covering the heat shrink film to the refrigerator so that the refrigerator is inserted into the inner space of the heat shrink film supplied from the film feeder; A film shrinker for shrinking the heat shrinkable film put on the refrigerator and applying heat to the heat shrinkable film so as to be in close contact with the refrigerator; A refrigerator transfer means for transferring the refrigerator to a predetermined working position of the film lapping device and the film shrinking device; The film feeder of the refrigerator heat shrink film packaging apparatus,
A film supplier provided with a rotatable film take-up roll in which both sides of the heat-shrinkable film are folded in an inward direction and wound in a flat band shape,
A heat shrink film to be unwound from the film take-up roll is interposed between a drive roll rotated by an external force and a driven roll pressed by friction with the drive roll so that the heat shrink film is advanced or retracted A film feeding part for moving backward,
A film cutting portion for cutting the heat shrinkable film moved forward from the film feeding portion to a predetermined length,
A film fused portion for thermally fusing a rear end portion of the heat shrinkable film cut by the film cutting portion,
And a film supply control unit for controlling the rotation of the driving roll and controlling the operation of the film cutting unit and the film fused portion. The method according to claim 1,
And a film tension adjusting unit for adjusting the tension applied to the heat shrinkable film between the film feed unit and the film feeding unit,
Wherein the film tension adjusting portion includes a plurality of support rolls for supporting the heat shrinkable film between the film feeder and the film feeding portion in a zigzag shape, and at least one of the plurality of support rolls And a tension regulating support roll whose position changes according to a tension acting on the film. 3. The method according to claim 1 or 2,
Wherein the film supply unit further comprises a pair of adhesive fingers inserted into the folded portions of both sides of the heat shrinkable film from behind the film winding roll. 3. The method according to claim 1 or 2,
Wherein the film winding roll is constituted by two pieces of a first film winding roll and a second film winding roll,
Wherein the drive roll is constituted by two members, i.e., a first drive roll and a second drive roll, which are separated from each other so as to correspond to the first film winding roll and the second film winding roll,
Wherein the driven roll is configured to be laterally movable so that it can be pressed to either the first drive roll or the second drive roll at a position between the first drive roll and the second drive roll,
Wherein the film supply control section controls the rotating direction of the drive roll so that the heat shrink film wound on the first film take-up roll and the heat shrink film wound on the second film take- And controlling the movement of the driven roll in the left-right direction.

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