KR101187743B1 - Apparatus for packaging of heat shrinkage film - Google Patents

Abstract

The present invention supports a conveyor conveying unit for transferring a product wrapped with a heat shrink film to pass through the first and second positions, and supports and raises the bottom surface of the product transferred to the first position, respectively, toward the bottom and side of the product. By spraying on, the heat-shrink film pleated at the edges and circumference of the product is spread downward, and a pre-packaging part for lowering the product to its original position, and the bottom of the product transferred to the second position to support the heat shrinkage of the heat-shrink film. Shrink wrapping part for raising the position and lowering the finished product of the heat shrink film to the original position, and installed on the upper side of the shrink wrapping part, hot air for shrinkage of the heat shrink film around the product raised by the shrink wrapping part while lifting or lowering It relates to a heat shrink film packaging device to include a hot air unit for spraying.
According to the present invention, by applying the eco-friendly shrinkable packaging that can be recycled can enhance the corporate image and enhance the competitiveness, can respond to the trend of the European export market to pursue eco-friendly, by enhancing the aesthetics by visually identifying the inside In addition to satisfying the various needs of buyers, it is possible to reduce the dissatisfaction of consumers by clarifying the judgment of fault resulting from product damage during transportation. The cost and cost of packaging materials can be reduced.

Description

Heat Shrink Film Packaging Equipment {APPARATUS FOR PACKAGING OF HEAT SHRINKAGE FILM}

The present invention increases the competitiveness by applying eco-friendly shrinkable packaging that can be recycled, so that the inside can be visually identified, so as to clarify the determination of the fault due to aesthetics and breakage, and to reduce the cost and cost of the packaging material and to operate In addition, the present invention relates to a heat shrinkable film packaging device for easy operation.

In general, a washing machine, a refrigerator, an air conditioner, a dishwasher, etc. are packaged in a box made of paper to protect the product during transportation for sale.

In addition, various industrial products, raw materials such as papermaking fabrics, raw materials of steel cans, and the like, and various industrial products are also packaged in pallet units for transportation.

In addition, the product may be packaged in a stretch film and a bent state.

Such a conventional product packaging method has a high risk of natural damage by using wood, which is a raw material for papermaking, causes a cost increase due to an increase in the exchange rate and the resin price of the futures market, and difficult to process due to the packaging material volume after distribution. In addition, the cost of collection and collection increased, the cost of recycling after collection increased, and there was a difficulty in managing inventory by specifications due to the marketing of a small quantity product of a manufacturer.

In addition, the conventional product packaging method is required to maintain an unnecessary warehouse due to the increase in the volume of packaging material, increase the number of people required, cause a weakening of the competitiveness of companies exporting to the current or future European region, and due to the damage of the product during transportation There was a problem that consumer dissatisfaction was aggravated by the absence of cause.

The present invention is to solve the problems of the conventional product packaging method as described above, to enhance the corporate image and competitiveness by the application of recyclable eco-friendly shrink packaging, to the trend of the European export market to pursue eco-friendly Respond to product damage during transportation, to make it clear, to reduce consumer complaints, to reduce the cost and cost of packaging materials, to increase the space utilization by reducing the space occupied by the device, Regardless of the price, it applies to various products.

According to an aspect of the present invention for achieving the above object, a device for packaging a product using a heat shrink film, a conveyor conveying unit for transferring the product wrapped with the heat shrink film to pass through the first and second positions, and the first Supporting and raising the bottom of the product transported to the 1 position, by spraying the air toward the bottom and side of the product, respectively, to spread the corrugated heat shrink film in the corners and periphery of the product downward, A pre-packaging portion for lowering the original position, a shrink-packing portion for supporting the bottom surface of the product transferred to the second position to raise it to a position for thermal contraction of the heat-shrinkable film, and lowering the product after the heat shrinkage of the heat-shrinkable film to its original position; Is installed on the upper side of the shrink packaging, the lifting and lowering by the shrink wrapping portion The round product characterized in that it comprises a hot air unit for spraying hot air for shrinking the heat-shrinkable film.

In addition, the pre-packaging unit is installed in the first position, the first lifting unit for supporting and lifting the bottom of the product and the hot air heated by the electric heater toward the bottom of the product in the first lifting unit And a blower installed to inject, and a plurality of spraying units respectively installed to spray air toward the side of the product on both sides of the first position.

In addition, the contraction packing portion is installed in the second position, the second lifting unit for supporting and lifting the bottom of the product, and is installed adjacent to the second lifting unit, is supported by the second lifting unit A guide unit for supporting a portion where the shrink film is located on the lower surface of the descending product with a plurality of finger guides, and an air cooler installed in the second lift unit and sucking air for cooling the shrink film. Characterized in that.

In addition, the hot air unit, the frame is formed with openings for inserting the product, and a plurality of heating to be respectively sprayed toward the product is installed in the frame front and rear, left and right, and heated by the electric heater installed inside And a third elevating unit for elevating the frame and the elevating frame, wherein the frames are arranged such that the distance between the heating blocks respectively installed on the variable members is adjusted by moving the variable members on both sides facing each other. do.

According to the heat-shrinkable film packaging apparatus according to the present invention, by applying the eco-friendly shrinkable packaging that can be recycled can enhance the corporate image and increase the competitiveness, it can cope with the trend of the European export market to pursue eco-friendly.

In addition, by identifying the inside with the naked eye, it can increase the aesthetics to satisfy the various needs of the buyer, as well as to clarify the determination of the fault caused by the damage of the product during transportation can reduce consumer complaints.

In addition, the cost and cost of the packaging materials can be reduced, the space utilization of the device can be reduced, the space utilization can be increased, the safety and reliability of the device can be increased, and the operation and operation are easy, and the weight of the product It can be applied to all products of various kinds and specifications regardless of price or price.

1 is a perspective view schematically showing a heat shrink film packaging apparatus according to the present invention;
Figure 2 is a side cross-sectional view showing a heat shrink film packaging apparatus according to the present invention,
Figure 3 is a front sectional view showing a pre-packaging portion of the heat shrink film packaging apparatus according to the present invention,
Figure 4 is a front sectional view showing a shrink wrap portion of the heat shrink film packaging apparatus according to the present invention,
Figure 5 is a perspective view showing a shrink wrap of the heat shrinkable film packaging apparatus according to the present invention,
Figure 6 is a bottom perspective view showing a shrink wrapped portion of the heat shrink film packaging apparatus according to the present invention,
7 is a perspective view showing a hot air unit of the heat shrink film packaging apparatus according to the present invention,
8 is an image showing the bottom of the product packaged by the heat shrink film packaging apparatus according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, the embodiments of the present invention are provided to more fully explain the present invention to those skilled in the art, the following examples may be modified in various other forms, the scope of the present invention Is not limited to the following examples.

1 is a perspective view showing a heat shrink film packaging apparatus according to the present invention, Figure 2 is a side cross-sectional view showing a heat shrink film packaging apparatus according to the present invention.

As shown in Figure 1 and 2, the heat shrink film packaging apparatus 100 according to the present invention is a conveyor conveying unit 110 for transporting the product (1) wrapped with the heat shrink film (2), and to the product (1) The prepackaging part 120 for unfolding the wrinkled heat shrink film 2, the shrink packing part 130 for raising and lowering the product 1 for shrinkage of the heat shrink film 2, and the upper side of the shrink packing part 130. Is installed in the product 1 includes a hot air unit 140 for injecting hot air to shrink the heat shrink film (2).

The heat shrinkable film packaging apparatus 100 according to the present invention may be used to heat various industrial products including raw materials such as electronic products such as washing machines, refrigerators, air conditioners, dishwashers, various industrial facilities, raw materials of paper fabrics or steel cans, and other various products. It can package using the heat shrink film 2 which has the characteristic to shrink | contract by.

Conveyor conveying unit 110 may be installed in a plurality in the main body 150, and transfers the product (1) wrapped around the heat shrink film 2 to pass through the first and second positions (P1, P2). Here, the heat shrink film (2) is formed to open up and down to be inserted into the product (1) from the upper side to the lower side to have a marginal portion on the upper side and the lower side of the product (1) in close contact with the side of the product (1) during heat shrinkage and In addition, the edges of the upper and lower surfaces of the product 1 are wrapped.

The conveyor conveyer 110 is a chain belt 111 installed by a chain pulley (111a) so as to support a pair of side by side along the conveying direction of the product (1), respectively, as shown in this embodiment to support both sides of the bottom surface of the product (1) ) And a transfer motor 112 installed to transmit rotational force to the chain pulley 111a of the chain belt 111 through a plurality of gears 112a, and the first and second positions P1 and P2. When the control unit (not shown) receives the detection signal from the first and second sensing units 113 and 114 which respectively detect the product 1 and output the detection signal, respectively, In the second position (P1, P2) it is possible to stop the transfer of the product (1) for the time required for the operation of the pre-packaging unit 120, the shrink packaging unit 130 and the hot air unit 140, respectively. Here, the chain belt 111 to compensate for the disadvantages of the roller to minimize the interference of the shrinkage film (2) during the movement of the product (1), to ensure a uniform quality.

As shown in FIGS. 1 and 3, the prepackaging part 120 is installed in an area corresponding to the first position P1 in the main body 150, and is transported to the first position P1. The bottom surface of the product (1) is raised and raised, by spraying air toward the bottom and the side of the product (1), respectively, to extend the corrugated heat-shrink film (2) in the corners and circumference of the product (1) downward, the product (1 ) To the original position. Therefore, when the product 1 enters the first position P1, the preliminary packing part 120 vertically descends and sprays hot air from the bottom toward the product 1 to complete the contracting operation.

The preliminary packing part 120 is installed at the first position P1 and supports and lifts the bottom of the product 1 by the first lifting unit 121 and the first lifting unit 121 of the product 1. A blower 122 installed to inject hot air heated by an electric heater (not shown) toward the bottom, and a plurality of which are respectively installed to inject air toward sides of the product 1 on both sides of the first position P1. It may include the injection unit 123.

The first elevating unit 121 is installed so as to elevate by the first elevating motor 121a at the first position (P1) in the conveyor conveying unit 110, the elevating time can be adjusted by a timer, the conveyor conveying unit 110 It raises and lowers the product 1 conveyed by and stopped at the 1st position P1.

The blower 122 is installed on the bottom surface of the first elevating unit 121, and the first elevating hot air heated by an electric heater such as a hot wire zigzag provided inside the first elevating unit 121 in consideration of safety. It is sprayed upward toward the bottom surface of the product (1) raised by the unit 121, and by spraying air toward the product (1) together with the injection unit 123, wrinkles around the corners and circumference of the product (1) The contracted shrinkage film 2 is stretched downward to facilitate heat shrinkage.

The injection unit 123 may be formed of a bellows structure to adjust the direction of the ejection opening, and receives a blowing force from the outside to spray toward the side of the product 1 lifted by the first elevating unit 121, the conveyor is It may be installed on both sides of the sending unit 110, respectively, may be installed on the alignment table 124 for aligning by pressing the descending product 1 from both sides. Here, the alignment table 124 is installed so as to face each other with the product 1 interposed therebetween, and moves to press both sides of the product 1 by a driving force such as a motor or a cylinder, by the first lifting unit 121 After alignment of the lowered product 1, it is spaced apart from the product 1.

As shown in Figures 1 and 4, the shrink wrap portion 130 supports the bottom of the product (1) transferred to the second position to raise to the position for heat shrink of the heat shrink film (2), heat shrink film (2) Lower the product after heat shrinkage to the original position. In addition, the shrinkage packing unit 130 is installed at, for example, the second position P2 and is adjacent to the second lifting unit 131 and the first lifting unit 131 for supporting and lifting the bottom of the product 1. Installed and supported by the second elevating unit 131, the portion in which the shrink film 2 is located on the bottom of the product (1) is lowered to a plurality of finger guides (132a; shown in Figs. 5 and 6). A guide unit 132 (shown in FIGS. 5 and 6) for supporting and lowering the product 1, and an air cooler installed in the lifting unit 131 and sucking air for cooling the shrinking film 2 ( 133).

The second elevating unit 131 is installed to be positioned below the transport path of the product 1 in the main body 150, and is installed to elevate by a member for converting the rotational force of the second elevating motor 131a into linear motion.

5 and 6 are views showing another example of the shrink wrapping of the heat shrink packaging apparatus according to the present invention, the conveyor conveying unit 110 to the plurality of feed rollers 115 in place of the chain belt 111 of the previous embodiment A plurality of lifting pins 131c are coupled to the lifting plate 131b by which the second lifting unit 131 is lifted by the second lifting motor 131a in place of the square frame of the previous embodiment. It has a structure which conveys the main body 1 by 131c. Here, the guide unit 132 is provided in plurality so that the finger guide 132a protrudes upward in the finger frame 132b installed in the steel plate shape in the width direction on one side of the second elevating unit 131, the finger frame 132b is lifted by the pneumatic cylinder 132c. Here, the finger frame 132b may be designed based on large and small in large, medium, and small standards as a position change according to a change in product specifications. In addition, the finger guide 132a is formed of, for example, a polishing rod or a round rod having a diameter of about 10 mm, a length of about 100 mm, and forms a tab of 8 mm so that the silicon cap can be inserted into the upper portion thereof, and thus the lower portion of the finger guide 132 a In order to assemble the mounting bracket in consideration of the clearance tolerance, it is assembled to the finger frame 132b by taking out the reverse tab of 8mm.

The air cooler 133 may be formed of a blower having a function of sucking air. The air cooler 133 may be positioned at the bottom or the bottom of the second elevating unit 131, thereby completing the product 1 after the shrinkage process for the heat shrinkable film 2. In the process of discharging the heat shrink film (2) located in the air at the front and rear end of the product (1) to quickly cure, thereby shortening the curing time of the heat shrink film (2), heat shrink film ( 2) to remove the defects peeled off by the interference from the conveyor transport unit 110 or the transfer roller of another conveyor during the transfer for this subsequent process.

The air cooler 133 has a diameter and a height of about 400 mm when the blower having a suction function is used, and may have 3,600 rpm, and can control various rotation speeds through an inverter, and the second lifting unit 131 Since the air vents are positioned at the top of the upper part, that is, at a position spaced 130 mm downward from the point where the product 1 abuts, the heat-shrinkable film 2 stretched back and forth can be effectively adhered to the bottom surface of the product 1.

As shown in FIG. 1 and FIG. 7, the hot air unit 140 is installed on the upper side of the shrink packaging unit 130, and the heat shrink film is formed around the product 1 lifted by the shrink packaging unit 130 while lifting or lowering. Blow hot air for contraction of (2).

The hot air unit 140 is provided with a frame 141 in which an opening 141a for inserting the product 1 is formed, and installed in front, rear, left, and right sides of the frame 141, and heated hot air by an electric heater installed inside. And a plurality of heating blocks 142 respectively sprayed toward the product 1, and a third lifting unit 143 for elevating the frame 141 using the driving force of the third lifting motor 143a. 141 is a variable member 141b on both sides facing each other to move the position between the heating block 142 is installed on the variable member 141b by moving the position.

The heating block 142 is to blow hot air toward the product (1) located in the center of the frame 141 by the blowing force transmitted from the outside or the blowing force by the blower installed inside and the heat of the electric heater installed inside. , The pair of heating blocks 142 installed back and forth in the frame 141 or respectively installed on both sides of the pair of heating blocks 142 is adjusted by the position movement of the variable member (141b) to maintain the proper temperature according to the standard conversion for each product (1) and Improve shrink quality. Therefore, when the product 1 is small, the variable member 141b moves outward from the frame 141. When the product 1 is large, the variable member 14b moves inward from the frame 141. The clearance between the variable member 141b and the product 1 is spaced 50 mm from the surface of the product 1 on the basis of the minimum product 1. At this time, the side that is not variable in position in the frame 141 can be left and right side with a relatively small range of specification change in the product (1), so that the interval between the left and right side is the maximum standard of the product (1) can do. At this time, the lack of calories of the heating block 142 due to the difference in the left and right side of the frame 141 by installing 12 electric heaters of 1.8Kcal to each of the heating block 142 installed on the left and right sides of the frame 141. Can be resolved. Meanwhile, twelve electric heaters of 1.5 Kcal may be installed in each of the heating blocks 142 installed in the variable member 141 b.

The third elevating unit 143 includes a third elevating motor 143a, which is an induction motor, and a chain 143b (shown in FIG. 1) for elevating the frame 141 by the rotational force of the third elevating motor 143a. It may include.

The operation of the heat shrinkable film packaging apparatus according to the present invention will be described.

When the product 1 wrapped with the shrinkage film 2 is transferred to the first position P1 by the conveyor transfer unit 110, the first detection unit 113 detects this to stop the transfer of the product 1. When the first lifting unit 121 lifts the product 1, hot air and air are sprayed from the blower 123 and the injection unit 124 onto the bottom and side surfaces of the product 1, respectively. The corrugated shrink film 2 is unfolded at the corners or the bottom of the product 1 so that the heat shrink film 2 is properly shrunk in a subsequent process.

Then, the product 1 is lowered to the original position by the first elevating unit 121, aligned by the aligner 125, and then conveyed to the second position P2 by the conveyor conveyer 110, By detecting the second detection unit 114, the conveyor transfer unit 110 is stopped again.

When the product 1 stops at the second position P2 due to the stop of the conveyor transfer unit 110, the second lifting unit 131 raises the product 1, and the hot air is blown up by the third lifting unit 143. The frame 141 and the heating block 142 of the unit 140 descends to the bottom of the product 1 to spray hot air for a predetermined time so that the bottom shrinkage of the heat shrink film 2 occurs, and the heat shrink film 2 In the ascending operation for the upper contraction, the second lifting unit 131 lowers the product 1 to its original position while the frame 141 moves up the heating block 142 by the third lifting unit 143 while the hot air blows. Is sprayed on the product 1 so that the heat-shrinkable film 2 wrapping the product 1 shrinks by heat.

Further, considering that the heat shrinkable film 2 shrinks 70% in the longitudinal direction and 30% in the width direction, the heat shrinkable film 2 at the bottom is shrunk in the process of shrinking the upper part after shrinking the lower part in the shrinking film 2. When the frame 141 rises together with the heating block 142 in this completely uncured state to perform a heat shrink operation on the upper portion of the heat shrink film 2, a situation occurs in which the lower portion of the heat shrink film 2 comes up. Can be. In this case, the product 1 is lowered by the second elevating unit 131 and the finger guide 132a of the guide unit 132 positioned at the lower end of the conveyor conveying unit 110 is the heat shrink film ( 2) hold the product so that it does not fall out, and then slowly lower the product (1) to complete the shrinkage process. Here, as illustrated in FIG. 8, the finger guide 132a may respectively support the supporting points P in the heat shrink film 2 positioned at the bottom of the product 1.

As described above, the heat shrinkable film packaging apparatus according to the present invention has been described with reference to the accompanying drawings, but various modifications and changes can be made without departing from the technical spirit of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the equivalents of the claims, as well as the following claims.

1: product 2: heat shrink film
P1: first position P2: second position
110: conveyor conveying unit 111: chain belt
111a: chain pulley 112: feed motor
112a: gear 113: first sensing unit
114: second detection unit 115: feed roller
120: prepackaging unit 121: the first lifting unit
121a: first lifting motor 122: blower
123: injection unit 124: alignment table
130: shrink wrap 131: second lifting unit
131a: second lifting motor 131b: lifting plate
131c: lifting pin 132: guide unit
132a: finger guide 132b: finger frame
132c: Pneumatic cylinder 133: Air cooler
140: hot air unit 141: frame
141a: opening 141b: variable member
142: heating block 143: third lifting unit
143a: third lifting motor 143b: chain
150: body

Claims (4)

A device for packaging a product using a heat shrink film,
A conveyor conveying part for conveying the product wrapped with the heat shrink film to pass through the first and second positions;
Supporting and raising the bottom of the product transported to the first position, by spraying air toward the bottom and side of the product, respectively, to spread the corrugated heat shrink film in the corners and periphery of the product downward, A prepackaging part for lowering the product to its original position;
A contraction packing part supporting the bottom of the product transported to the second position to raise it to a position for thermal contraction of the thermal contraction film, and lowering the product after the thermal contraction of the thermal contraction film is returned to its original position;
It is installed on the upper side of the shrink packaging and includes a hot air unit for injecting hot air for the contraction of the heat shrink film around the product raised by the shrink wrapping portion while lifting or lowering,
The prepackaging unit,
A first elevating unit installed at the first position, the elevating unit supporting and elevating the bottom of the product, and a blower installed to spray the hot air heated by the electric heater toward the bottom of the product on the first elevating unit; It is provided with a plurality of injection units which are respectively installed to inject air toward the side of the product on both sides of the first position,
The shrink wrap portion,
A second lifting unit which is installed at the second position and supports and lifts the bottom of the product, and is installed to be adjacent to the second lifting unit and is supported by the second lifting unit to lower the bottom of the product A heat shrink film, comprising: a guide unit for supporting a portion where a shrink film is located with a plurality of finger guides, and an air cooler installed in the second lifting unit and sucking air for cooling the shrink film. Packing device.
delete delete According to claim 1, wherein the hot air unit,
A frame in which an opening for inserting the product is formed;
A plurality of heating blocks installed on the frame in front, rear, left, and right sides, respectively, and spraying hot air heated by the electric heater installed therein toward the product;
It includes a third lifting unit for lifting the frame,
The frame is a heat-shrink film packaging apparatus characterized in that the distance between the heating blocks respectively installed on the variable member is adjusted by moving the variable members on both sides facing each other.

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