KR101441011B1 - Heating apparatus for food packing and shrinking apparatus with it - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a systole for food packaging, and more particularly, to a systole for food packaging for shrink wrapping a food that has been vacuum packaged with a heat shrinkable film through heating and cooling. As a result, the vacuum packaged food is shrunk and packed through heating and cooling, so that the packaging of the food can be performed quickly and easily, and the food can be stored for a long time in a sanitary manner.

Description

TECHNICAL FIELD [0001] The present invention relates to a heating device for food packaging,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a sintering machine for food packaging, and more particularly, to a heating device for packaging food for heating a vacuum-packaged food with a heat shrinkable film and then shrinking it by cooling.

In general, the distribution of foods including meat is chilled or frozen, and is shrink wrapped in a heat shrinkable film so as to prevent contamination and deterioration of the food.

Korean Utility Model Registration Utility Model No. 20-385167 discloses a packaging material squeezer that shrinks by blowing heat to a surface of a film packed with an air blower.

However, such a packaging material shrinking device has a problem that the packaging can not be properly performed because heat can not be uniformly transferred to the entire surface of the heat shrinkable film packed with the product.

In addition, after the article is shrunk and packaged by heating, since cooling is not performed, there is a problem that a separate cooling step is required to proceed to another process such as labeling.

Korean Utility Model Registration No. 20-385167 (2005.05.27.)

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a heating device for food packaging for heating and shrink wrapping a food which is vacuum-packed with a heat-shrinkable film, and a systole will be.

The problems to be solved by the present invention are not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above-mentioned object, the present invention provides a heating device for food packaging, in which a packaged food vacuum-packaged with a heat shrinkable film supplied from the outside is heated to shrink the heat shrinkable film, A heating tank in which heated hot water is stored; And a conveying means for ascending and descending the packaged food so as to be heated in the heating tank and for conveying the packaged food to a cooling device, wherein the conveying means is provided on the opened top of the heating tank, A transfer assembly for transferring to a device; A lift unit for moving the transfer assembly up and down; And a drive unit for transmitting a rotational force to the transport assembly, wherein the transport assembly is lifted and lowered in the vertical direction of the heating tank by driving of the lifting unit, and the packaged food is heated by the heating Wherein the heat-shrinkable film is heated by being immersed in hot water contained in the bath or is exposed to the outside from the heated state, and the packaged food is shrunk while being exposed to the outside from the hot water.

The heating apparatus according to the present invention is mounted on the upper portion of the heating tank, A door frame rotatably coupled; And a supporting means for supporting the door frame in a state rotated upward from the heating tank.

The supporting means according to the present invention includes a pair of guide hollows which are fixed to the lower portion of the door frame and extend in a direction intersecting the left and right directions of the door frame, A guide frame; A support frame protruding outwardly from an inner side of the heating tank; And a support bar having an upper portion passing through the pair of guide hollows and a lower portion rotatably fixed to the support frame, wherein the guide frame is in communication with the guide hollow, And a fixed hole is formed to be inserted and fixed.

The transfer assembly according to the present invention includes: a pair of side frames each having both ends extending in left and right directions of the heating chamber and positioned on both sides of the heating chamber; A pair of conveying shafts, both ends of which are rotatably fixed to the left and right sides of the pair of side frames, respectively, and each of which is provided with a pair of conveying pulleys; And a conveyance belt that interconnects the pair of conveyance pulleys provided on the pair of conveyance shafts, respectively.

The heating tank according to the present invention further comprises a pair of guide holes penetrating in one side direction of the heating tank on both sides of the heating tank. The elevating unit is located outside the heating tank, and both ends are extended A screw to which a motor driven in both directions is connected; A guide piece coupled to the screw and being raised and lowered according to rotation of the screw; A pair of guide rails positioned on both sides of the guide piece about the screw; A pair of guide bars raised and lowered along the pair of guide rails and connected to the guide pieces; A pair of connection bars located inside the heating tank and to which the transfer assembly is connected; And a connection piece connecting the pair of connection bars and the pair of guide pieces and moving up and down along the pair of guide holes.

The elevating unit according to the present invention may further include a pair of guide rollers respectively provided on the pair of guide bars, wherein the pair of guide rollers are moved up and down along the guide rails.

The transfer assembly according to the present invention is characterized in that the side frame of one side of the pair of side frames is rotatably connected to the pair of connection bars by hinge connection, The upper side of the heating tank is opened and closed while the other side is rotated downward to be laterally expanded.

The conveying means according to the present invention may further include a fixing bar for fixing the conveying assembly in a vertically folded state, wherein the fixing bar has a "C" shape in which a plurality of bends are formed between the both ends, And an upper portion of the fixing bar is rotatably connected to the side frame of the one side, and the fixing bar is provided at one side thereof with a fixing piece to which a lower portion of the fixing bar is coupled.

The driving unit according to the present invention includes: a driving shaft disposed between the pair of feeding shafts and having both ends rotatably fixed to the pair of side frames; A first gear coupled to the drive shaft and driving the conveyance belt in accordance with rotation; A second gear rotatably fixed to an inner surface of the heating tank and to be engaged with the first gear; And a drive motor for transmitting a rotational force to the second gear, wherein the transfer assembly transfers the packaged food, which is seated on the upper part of the drive motor, to the cooling device.

In order to achieve the above object, the present invention provides a heating device for food packaging according to claim 1, wherein the heat shrinkable film is shrunk by heating a packaged food supplied from the outside and vacuum-packaged in a heat shrinkable film; And a cooling device for cooling the packaged food supplied from the heating device.

The cooling device according to the present invention comprises: a cooling tank having an upper opening and in which cold water cooled to a predetermined temperature is stored; And a discharging portion for discharging the packaged food supplied from the conveying means to the outside in a cooled state, wherein the discharging portion includes: a first rotating shaft whose both ends are rotatably fixed to both left and lower sides of the cooling bath; A conveying conveyor including a second rotating shaft rotatably connected to both upper and lower right sides of the cooling bath, and a conveyor belt connecting the first and second rotating shafts, the conveying conveyor positioned inside the cooling bath; And an outlet opening portion for driving the conveying conveyor.

The outlet driving unit according to the present invention may include: a third gear coupled to the second rotating shaft; A fourth gear rotatably fixed to the cooling tank, and coupled with the third gear; And a discharge driving motor for transmitting a rotational force to the fourth gear, wherein the conveying conveyor discharges the packaged food, which is cooled by being cooled by cold water accommodated in the inside of the cooling bath in accordance with driving of the discharge driving motor, .

The conveying conveyor according to the present invention is characterized in that the second rotation shaft is detachably connected to the cooling tank and is rotatable upwardly about the first rotation axis and can be heard.

According to the present invention, the vacuum packaged food is shrink-wrapped through heating and cooling, so that the food can be packaged quickly and easily, and the food can be stored for a long time in a sanitary manner.

Further, the present invention is advantageous in that it is possible to rotate the conveying conveyor of the conveying assembly and the cooling device of the heating apparatus, thereby facilitating the cleaning of the inside of the heating tank and the cooling tank.

The effects of the present invention are not limited to those mentioned above, and other solutions not mentioned may be clearly understood by those skilled in the art from the following description.

1 is a front view showing a systole for food packaging according to the present invention.
2 is a front view showing a heating device in a systole for food packaging according to the present invention.
3 is a front view showing a transport assembly and a driving unit in a slaughterhouse for food packaging according to the present invention.
FIG. 4 is a rear view illustrating a lifting unit of the saddler for food packaging according to the present invention. FIG.
FIG. 5 is a state diagram showing a state in which the transport assembly is rotated and unfolded in the saddler for food packaging according to the present invention.
6 is a right side view showing a cooling device in a systole for food packaging according to the present invention.
FIG. 7 is a state view showing a state in which the conveying conveyor is lifted upward in the food packaging systole according to the present invention. FIG.

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

1 to 7, a sash 1 for food packaging according to the present invention is provided with a packaged food 100 in which a food 110 is vacuum-packaged by a heat shrinkable film 120 from the outside, (10) for heating the heat shrinkable film (100) to shrink the heat shrinkable film (120), and a cooling device (20) for cooling the packaged food (100) supplied from the heating device . On the other hand, the heating device 10 is configured to have the feeding means 30 for feeding the packaged food 100 and for transferring the heated packaged food 100 to the cooling device 20.

The heat shrinkable film 120 may be understood as a general type of film that is contracted by heat. The food 110 is packed inside the heat shrinkable film 120 and the food 110 is understood as meat . Therefore, the packaged food 100 can be understood as being packaged with the heat shrinkable film 120.

The heating device 10 includes a heating tank 11 having an upper portion opened and storing hot water therein, and the cooling device 20 is located on the right side.

The heating tank 11 has a rectangular shape when viewed from above, and the hot water preferably maintains a temperature of 80 ° C. To this end, the heating tank 11 may be provided with a heating means 12 for heating the hot water to a predetermined temperature.

The heating means 12 may be regarded as a general type of heating unit that receives power from the outside to generate heat.

The heating unit 11 is formed so as to extend upward in one side and the heating unit 10 is seated on the upper part of the heating tank 11, On the upper side of one side of the heating tank 11 A door frame 13 that is hinged or opened by a folding member (not shown) such as a hinge, and a support means 14 that supports the door frame 13 in an opened state.

Here, one side of the heating tank 11 should be understood as a rear surface when viewed from the front side of the food packaging syste 1.

The door frame 13 is formed along the periphery of the heating tank 11, and has a frame shape in which the top surface is opened.

The door frame 13 is closed at the upper portion of the heating chamber 11 and is opened or closed in contact with or adjacent to one side of the heating chamber 11 extending upward .

The packaged food 100 is introduced into the left side of the opened door frame 13 or the front side of the opened door frame 13 when the food packaging syste 1 is viewed from the front, 30).

1 and 2, the supporting means 14 is fixed to a lower portion of the door frame 13, and both ends extend in a direction intersecting the left and right directions of the door frame 13 A guide frame 14a in which a pair of guide hollows 14b are formed so as to communicate with each other on both sides thereof, a support frame 14c protruding outwardly from one side of the heating chamber 11, Shaped support bar 14d passing through the guide hollow 14b of the guide frame 14a and rotatably fixed to the support frame 14c with a lower portion thereof, And the upper portion of the supporting bar 14d is moved from the guide hollow 14b to be fixedly inserted into the fixing hole 14e.

Accordingly, the door frame 13 is rotatably fixed to the support frame 14c at one side thereof, and is pivotally rotated in the upward direction at the other side thereof. The door frame 13 is locked by the support means 14 and remains open .

The food shrinking device 1 may include an exhaust fan 40 for discharging the steam generated in the heating device 10 to the outside.

It is most preferable that the exhaust fan 40 is formed in a general shape and is installed on one side of the heating tank 11.

1, the conveying means 30 conveys the packaged food 100 to the inside of the heating tank 11 so as to be heated by the hot water accommodated in the heating tank 11, While conveying the heated packaged food 100 to the cooling device 20.

The conveying means 30 includes a conveying assembly 31 for blocking the upper portion of the opened heating vessel 11 and conveying the packaged food 100 seated on the upper portion to the cooling device 20, A lifting unit 32 for moving the lifting unit 31 upward and downward, and a driving unit 33 for transmitting a rotational force to the transporting assembly 31.

It is preferable that the lifting unit 32 can heat the packaged food 100 that is seated on the transport assembly 31 according to driving for about 4 seconds in a state where the packaged food 100 is immersed in the hot water.

The food packing systole 1 further includes a control unit 50 for controlling the elevating unit 32 and the driving unit 33. The elevating unit 32 and the driving unit 33 Are sequentially driven by the control device (50).

That is, the driving unit 33 is kept stopped while the lifting unit 32 is driven, and the driving unit 33 is driven when the lifting unit 32 is stopped.

The control unit 50 drives the elevating unit 32 in a state where driving of the driving unit 33 is stopped when the packaged food 100 supplied from the outside is mounted on the conveying assembly 31, The packaged food 100 is heated for about 4 seconds in a state where the packaged food 100 is immersed in the hot water contained in the heating tank 11 as the transfer assembly 31 ascends and descends.

When the heating of the packaged food 100 is completed, driving of the lifting unit 32 is stopped, while the heated packaged food 100 is driven by the driving unit 33, 20).

Therefore, the shrinking machine 1 for food packaging can proceed shrink packaging while sequentially heating and cooling the packaged food 100.

3, the transfer assembly 31 includes a pair of side frames 31-1, both ends of which extend in opposite directions of the heating chamber 11 and are opposed to each other, A pair of conveying shafts 31-3 rotatably fixed to the pair of conveying shafts 31-1 and provided with a pair of conveying pulleys 31-2, And a conveyance belt 31-4 interconnecting the pair of conveyance pulleys 31-2.

The conveyor belt 31-4 is formed such that the steel wires 31a are mutually connected and the mutually adjacent steel wires 31a are spaced apart from each other. The pair of conveying pulleys 31-2 are formed on the outer circumferential surface thereof with a plurality of receiving grooves 31b through which the steel wire is drawn and the conveying belt 31-4 is supported by the pair of conveying pulleys 31-2 And is rotatable.

A pair of guide holes 16 are formed at one side of the heating tank 11 so as to pass through both sides of the heating tank. The conveyance assembly 31 is driven by the elevating unit 32, As shown in Fig.

2 and 4, the elevating part 32 is located on the outside of the heating tank 11 and has both ends extended in the upward and downward directions, A guide piece 32-3 coupled to the screw 32-2 and raised and lowered in accordance with the rotation of the screw 32-2, a screw 32-2 connected to the screw 32-2, A pair of guide rails 32-4 positioned at both sides of the guide piece 32-3 and a guide rail 32-3 rising and lowering along the pair of guide rails 32-4, A pair of guide bars 32-5 disposed inside the heating tank 11 and connected to the transfer assembly 31 so as to be rotatable, A pair of connecting pieces 32-6 connecting the pair of connecting bars 32-6 and the pair of guide pieces 32-3 and a pair of connecting pieces 32-7 rising and falling along the pair of the guide holes 16 .

The pair of guide bars 32-5 may be provided with guide rollers 32-8, and the guide rollers 32-8 are moved up and down along the guide rails 32-4.

The motor 32-1 is driven by receiving power from the outside, and transmits rotational force to the screw 32-2. Here, it is most preferable that the motor 32-1 is composed of a general type servo motor which can be driven in both directions.

The screw 32-2 is rotated in the direction of rotation of the motor 32-1 in both directions, that is, in forward and reverse directions, As shown in FIG.

The packaged food 100 mounted on the transfer assembly 31 while the transfer assembly 31 is moved up and down according to the rising and falling of the guide piece 32-3 is inserted into the heating chamber 11 It is immersed in the hot water or exposed to the hot water.

Accordingly, the packaged food 100 is heated by being immersed in hot water contained in the heating tank 11 in accordance with rising and falling of the transfer assembly 31, exposed to the outside from the heated state, The shrink film 120 is contracted while the packaged food 100 is exposed to the outside from the hot water and is drawn out from the inside of the heating tank 11 in a contracted state.

5, the transfer assembly 31 is rotatably mounted on the upper portion of the opened heating tank 11 so as to be vertically folded, as shown in FIG. 5, (Not shown).
That is, the other side of the transfer assembly 31 is rotated upward and downward with respect to one side, and the upper part of the heating tank 11 opened according to the rotation is opened and closed.
Here, one side of the transfer assembly 31 should be understood as the back side and the other side as the front side when viewed from the perspective of the food packaging systolic system 1.

This allows the transfer assembly 31, which is laterally spread, to be vertically rotated so that the lower part of the transfer assembly 31 can be easily cleaned, while the upper part of the heating tank 11 in the closed state is opened It can be understood that the inside of the heating tank 11 can be easily cleaned.

For example, the transfer assembly 31 is rotatably connected to one side frame of the pair of side frames 31-1 by a hinge connection with the pair of connection bars 32-6.
Here, it should be understood that the transfer assembly 31 is rotated from the state in which the upper part of the opened heating tank 11 is blocked to the other side by rotating the other side upward.
It should be understood that one of the side frames of the pair of side frames 31-1 is located on the back side of the food packaging syste 1.
The hinge connection between the one side frame and the pair of connection bars 32-6 means that the transfer assembly 31 is rotatably connected upward and downward from the pair of connection bars 32-6. And may be formed in a known general form.

At this time, the conveying means 30 may further include a fixing bar 31-5 for fixing the conveying assembly 31 pivoted upward from the upper portion of the opened heating vessel 11. [

The fixing bar 31-5 is formed in a circular bar shape and is formed in a 'C' shape in which the upper end is opened by bending a plurality of portions between the both ends, and the upper part thereof is connected to one side of the pair of side frames 31-1 The heating chamber 11 is provided at one side thereof with a single or a plurality of fixing pieces 11a on which a lower portion of the fixing bar 31-5 is seated.
That is, both ends of the fixing bar 31-5 are rotatably fixed to the side frame of one side, and a lower part between the opposite ends of the fixing bar 31-5 is coupled to the fixing piece 11a to support the transfer assembly 31 .

Accordingly, the transfer assembly 31 is rotated upward while the fixing bar 31-5 is fixed to the fixing piece 11a to stably support the transfer assembly 31 in a folded state have.

1, the drive unit 33 moves the packaged food 100, which is seated on the transport assembly 31 under the control of the controller 50, within the heating tank 11 And the packaged food 100 is transferred to the cooling device 20 in accordance with the driving.

As shown in FIG. 3, the driving unit 33 is disposed between the pair of conveying shafts 31-3. The driving unit 33 includes a driving shaft (not shown) having both ends rotatably fixed to the pair of side frames 31-1 A first gear 33-2 coupled to the drive shaft 33-1 for driving the conveyance belt 31-4 in response to rotation of the first gear 33-2, A second gear 33-3 fixed to the first gear 33-2 and coupled to the first gear 33-2 and a driving motor 33-4 transmitting rotational force to the second gear 33-3 .

The first and second gears 33-2 and 33-3 are mutually toothed or engaged with each other in accordance with the rotation of the transfer assembly 31. The drive motor 33-4 is coupled to the heating tank 11 Respectively.

The driving motor 33-4 is driven by receiving power from the outside, and transmits rotational force to the transfer assembly 31.

The heated packaged food 100 located at the upper portion of the transfer assembly 31 is transferred to the cooling apparatus 20 by driving the driving unit 33.

1 and 6, the cooling apparatus 20 includes a cooling tank 21 having an upper opening and storing cold water therein, and a cooling tank 21 located inside the cooling tank 21, And a discharging portion 22 for discharging the packaged food 100 supplied from the outside of the packaged food 100 in a cooled state to the outside.

The packaged food 100 supplied from the conveying means 30 is received inside the left side of the cooling tank 21 and then discharged to the outside of the cooling tank 21, (22).

The cooling device 20 is located at one side of the cooling bath 21 and includes a water supply pipe 23a for replenishing water from the outside, And a replenishing water tank 23 provided with a cooling section 23b for cooling the water to be replenished. The water supply pipe 23a may be provided with a water level control valve (not shown) for opening and closing the water pipe 23a according to the level of the water replenishing tank 23. The water level control valve may be a general type of floating valve desirable.

The cooling device 20 may further include a connection pipe 24 connecting the cooling tank 21 and the replenishing water tank 23 and a circulation pump 24a connected to the connection pipe 24, And cooling is performed while cold water is circulated from the supplementary water tank 23 to the cooling bath 21 by driving the circulation pump 24a.

The cooling unit 23b may be formed of a general type of cooling coil and a cooling unit 25 may be provided on the cooling unit 21 to supply the coolant to the cooling unit 23b. Since this form is already known and used, a detailed description thereof will be omitted.

1, the discharge portion 22 includes a first rotation shaft 26-1 whose both ends are rotatably fixed to both lower sides of the right lower portion of the cooling tank 21, And a conveyor belt 26-3 including a second rotation shaft 26-2 rotatably connected to both right and left upper sides and a conveyor belt 26-3 connecting the first and second rotation shafts 26-1 and 26-2 26) and an outlet opening (27) for driving the conveying conveyor (26).

The first conveying conveyor 26 is located below the second rotating shaft 26-2 so that the first conveying conveyor 26-1 has a gentle upward slope from the right to the left. At this time, an embankment (not shown) for supporting the conveying conveyor 26 may be formed on both sides of the inner surface of the cooling tank 21.

As shown in FIG. 6, the conveyor belt 26-3 is made of a plastic belt having a plurality of holes 26a so that the cold water can be smoothly discharged. On the surface of the conveyor belt 26-3, It is preferable that a plurality of protrusions 26-4 are formed in a direction intersecting the longitudinal direction of the protrusion 26-3. It can be understood that the packaging food 100 can be smoothly transported.

The second rotary shaft 26-2 is detachably connected to both sides of the upper right side of the cooling bath 21 so that the conveying conveyor 26 is connected to the second rotary shaft 26-2 can be rotated and rotated upward about the first rotary shaft 26-1.

It can be understood that the cooling conveyor 21 as well as the conveying conveyor 26 can be easily cleaned.

In this case, the discharge unit 22 may further include a locking unit 28 for locking the rear end of the conveying conveyor 26 to prevent the conveying conveyor 26 from being lifted upward, as shown in FIG.

The locking means 28 may be formed of a general cicadic ring 28a and may be configured to lock the second rotary shaft 26-2 so that it can not be heard upward.

It is preferable that the cicadilla rings 28a are provided on both sides of the right side of the cooling bath 21 and that a lock ring 28b corresponding to the cicada 28a is provided on both sides of the conveyance conveyor 26 Do.

The outlet opening portion 27 includes a third gear 27-1 coupled to the second rotation shaft 26-2 and a third gear 27-1 rotatably fixed to the cooling tank 21, A fourth gear 27-2 coupled to the first gear 27-2 and a drive motor 27-3 transmitting rotational force to the fourth gear 27-2.

The discharging part 22 is driven to move the packaged food 100 in a heated state supplied from the conveying unit 30 in a cooled state while the conveying conveyor 26 is driven in accordance with the driving of the outlet opening part 27 It can be discharged to the outside.

1 to 7, when the packaged food 100 is heated by the heating device 10 by the control device 50, the cooling device 20 The system consists of an automatic system that is delivered, cooled, and then discharged automatically. However, the present invention can be implemented as a semi-automatic or manual system as well as the above-described automatic system. For example, in the case of a passive system, the heating device and the cooling device are constructed in the same concept as the heating device 10 shown in Figs. 1 to 7, and the respective devices are raised and lowered individually to heat or cool The subsequent cooling or discharging process may be performed manually by the operator.

It is to be understood that the present invention is not limited to the above-described embodiment, and various modifications and changes may be made without departing from the spirit and scope of the present invention as defined in the appended claims. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Description of the Related Art [0002]
1: Systole for food packaging 10: Heating device
11: Heating tank 13: Door frame
14: Support means 16: Guide ball
20: Cooling unit 21: Cooling tank
22: discharge part 23: replenishment tank
26: conveying conveyor 26-1: first rotating shaft
26-2: second rotation shaft 26-3: conveyor belt
26-4: projection 27:
27-1: Third gear 27-2: Fourth gear
27-3: drive motor 28: locking means
30: conveying means 31: conveying assembly
31-1: side frame 31-2: feed pulley
31-3: Feed shaft 31-4: Feed belt
31-5: fixed bar 32:
32-1: motor 32-2: screw
32-3: guide piece 32-4: guide rail
32-5: Guide bar 32-6: Connection bar
32-7: Connecting piece 32-8: Guide roller
33: driving part 33-1:
33-2: first gear 33-3: second gear
33-4: drive motor 50: control device
100: Packaged food 110: Food
120: Heat shrink film

Claims (13)

A heating device for a packaging machine for heating a packaged food vacuum-packaged with a heat-shrinkable film supplied from the outside to shrink the heat-shrinkable film,
A heating tank in which an upper portion is opened and hot water heated at a predetermined temperature is stored therein; And conveying means for conveying the packaged food to the cooling apparatus so that the packaged food is heated in the heating tank,
The conveying means
A transfer assembly for transferring the packaged food installed on the upper part of the opened heating tank to the cooling device;
A lift unit for moving the transfer assembly up and down; And
And a driving unit for transmitting rotational force to the transfer assembly,
The transfer assembly includes:
And is lifted up and down in the vertical direction of the heating tank by driving of the elevating portion,
In the packaged food,
The heating assembly is heated by being immersed in hot water accommodated in the heating tank in accordance with rising and falling of the transfer assembly,
The heat-
And the packaged food is shrunk while being exposed to the outside from the hot water. The method according to claim 1,
And is mounted on an upper portion of the heating tank, A door frame rotatably coupled; And
Further comprising a supporting means for supporting the door frame in a state of being rotated upward from the heating tank. 3. The method of claim 2,
Wherein the support means comprises:
A guide frame fixed to a lower portion of the door frame and having both ends extending in a direction intersecting the left and right directions of the door frame and having a pair of guide hollows communicating with the side surfaces thereof;
A support frame protruding outwardly from an inner side of the heating tank; And
A support bar having an upper portion passing through the pair of guide hollows and a lower portion rotatably fixed to the support frame,
In the guide frame,
And a fixing hole communicating with the guide hollow and having an upper portion of the support bar being displaced from the guide hollow to be inserted and fixed. The method according to claim 1,
The transfer assembly includes:
A pair of side frames extending at both ends in the left and right direction of the heating chamber and positioned on both sides of the heating chamber;
A pair of conveying shafts, both ends of which are rotatably fixed to the left and right sides of the pair of side frames, respectively, and each of which is provided with a pair of conveying pulleys; And
And a conveyance belt that interconnects the pair of conveyance pulleys provided on the pair of conveyance shafts, respectively. 5. The method of claim 4,
In the heating tank,
Further comprising a pair of guide holes penetrating in one side direction of the heating bath on one side,
The elevating unit includes:
A screw disposed on the outer side of the heating bath and having both ends extended in the upward and downward directions and connected to a motor driven in both directions at a lower portion;
A guide piece coupled to the screw and being raised and lowered according to rotation of the screw;
A pair of guide rails positioned on both sides of the guide piece about the screw;
A pair of guide bars raised and lowered along the pair of guide rails and connected to the guide pieces;
A pair of connection bars located inside the heating tank and to which the transfer assembly is connected; And
And a connecting piece connecting the pair of connecting bars and the pair of guide pieces and moving up and down along the pair of the guide holes. 6. The method of claim 5,
The elevating unit includes:
Further comprising a pair of guide rollers respectively provided on the pair of guide bars,
Wherein the pair of guide rollers comprise:
Wherein the guide rails are raised and lowered along the guide rails. 6. The method of claim 5,
The transfer assembly includes:
Wherein one side frame of one of the pair of side frames is rotatably connected to the pair of connection bars by hinge engagement,
The other side of the heating tank is horizontally extended from the upper side of the opened heating tank, and the other side of the heating tank is vertically folded or vertically folded. Heating device for food packaging. 8. The method of claim 7,
The conveying means
Further comprising a securing bar for securing the transfer assembly in a vertically collapsed state,
The fixing bar may include:
The upper part of the upper part is rotatably connected to the side frame of one side,
In the heating tank,
And a fixing member to which a lower portion of the fixing bar is coupled is provided at an inner side of the heating unit. 5. The method of claim 4,
The driving unit includes:
A driving shaft disposed between the pair of transporting shafts and having both ends rotatably fixed to the pair of side frames;
A first gear coupled to the drive shaft and driving the conveyance belt in accordance with rotation;
A second gear rotatably fixed to an inner surface of the heating tank and to be engaged with the first gear; And
And a drive motor for transmitting a rotational force to the second gear,
The transfer assembly includes:
And the packaged food that is seated on the upper part is transferred to the cooling device by driving the drive motor. The heating device for packing food according to claim 1, wherein the heat shrinkable film is shrunk by heating a packaged food supplied from the outside and vacuum-packaged with a heat shrinkable film; And
And a cooling device for cooling the packaged food supplied from the heating device. 11. The method of claim 10,
The cooling device includes:
A cooling bath having an upper opening and storing cold water cooled to a predetermined temperature inside; And
And a discharge unit for discharging the packaged food supplied from the conveying unit to the outside in a cooled state,
The discharge portion
A first rotary shaft rotatably fixed at both left and lower sides of the cooling bath at both ends thereof, a second rotary shaft rotatably connected at both ends to both right and upper sides of the cooling bath, and a conveyor belt connecting the first and second rotary shafts A conveying conveyor positioned within the cooling bath; And
And an outlet opening portion for driving the conveying conveyor. 12. The method of claim 11,
The discharge-
A third gear coupled to the second rotation shaft;
A fourth gear rotatably fixed to the cooling tank, and coupled with the third gear; And
And a discharge drive motor for transmitting a rotational force to the fourth gear,
The conveying conveyor
Wherein the packaged food is cooled by being immersed in cold water accommodated in the inside of the cooling tank according to driving of the discharge driving motor, and the packaged food is discharged to the outside. 12. The method of claim 11,
The conveying conveyor
And the second rotary shaft is detachably connected to the cooling bath so that the second rotary shaft is rotatable upwardly about the first rotary shaft and can be heard.

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