CN219545137U

CN219545137U - Plastic package packaging equipment for hot-chain fast food

Info

Publication number: CN219545137U
Application number: CN202320184274.5U
Authority: CN
Inventors: 袁杰; 洪和兵
Original assignee: Wuhan New Five Hearts Food Technology Co ltd
Current assignee: Wuhan New Five Hearts Food Technology Co ltd
Priority date: 2023-01-29
Filing date: 2023-01-29
Publication date: 2023-08-18
Anticipated expiration: 2033-01-29

Abstract

The utility model relates to the technical field of food packaging, and particularly discloses hot-chain snack plastic packaging equipment which comprises a heat-shrinkage film packaging device, wherein the heat-shrinkage film packaging device is connected with a drying device corresponding to the conveying direction of a packaging box; the drying device comprises a drying oven, wherein an inlet and an outlet for inputting and outputting the packaging box are respectively formed in two side ends of the drying oven along the conveying direction of the packaging box; the drying device also comprises a conveying component for conveying the packaging box from the inlet to the outlet and a hot air component arranged at the lower part of the packaging box; and the circulating air pipe is arranged at the top of the oven and used for sucking hot air and transferring the hot air from the air return machine. The utility model has the effects of full hot air circulation utilization and high retraction uniformity of the heat shrinkage film.

Description

Plastic package packaging equipment for hot-chain fast food

Technical Field

The utility model relates to the technical field of food packaging, in particular to hot-chain snack plastic packaging equipment.

Background

When the snack produced by the food production factory has a large quantity of snack balls and snack matches, if the snack is not eaten immediately, part of the snack is subjected to quick cooling treatment, so that the food cannot be hidden by safety hazards caused by bacteria breeding due to high temperature, and the packaging box is used for packaging the food after quick cooling; the temperature of the foods is gradually reduced during the packaging process even though the foods are not subjected to rapid cooling treatment, so that the foods need to be subjected to microwave heating after the packaging process in order to maintain the taste.

After the packaging box is used for packaging food, in order to further improve the food sanitation degree, the packaging box is prevented from being unsealed or the problem of food overflow caused by jolt is solved, a layer of heat shrinkage film which is convenient and easy to tear is covered outside the packaging box, disposable chopsticks can be packaged between the packaging box and the heat shrinkage film in the packaging process of the heat shrinkage film, the practical convenience of fast food is improved, the heat shrinkage film is coated on the periphery of the packaging box through an automatic packaging machine, the heat shrinkage film is heated by a blower or a heating cover lamp, and the heat shrinkage film can be shrunk and clung to the packaging box in a heating state.

To the relevant technique among the above-mentioned, when using the hair-dryer to retract to pyrocondensation membrane heating, in order to realize that pyrocondensation membrane is retracted the degree of consistency and is promoted, then need to the diversified heating of packing box, but the density of hot-blast density is low for cold wind relatively, and a lot of hot-blast can gather the top to the packing box, is difficult to form evenly surrounding to the packing box, has that hot-blast accumulation rises unable cyclic utilization fully, the pyrocondensation membrane is heated the problem that the degree of retraction is not even enough, so needs to improve.

Disclosure of Invention

In order to solve the problems of insufficient hot air circulation and low shrinkage uniformity of the heat shrinkage film when the heat shrinkage film is heated and retracted by using a blower, the utility model provides hot chain snack plastic packaging equipment.

The utility model provides hot-chain snack plastic packaging equipment which adopts the following technical scheme:

the hot-chain snack plastic package packaging equipment comprises a heat-shrinkage film packaging device, wherein the heat-shrinkage film packaging device is connected with a drying device corresponding to the conveying direction of a packaging box;

the drying device comprises a drying oven, wherein an inlet and an outlet for inputting and outputting the packaging box are respectively formed in two side ends of the drying oven along the conveying direction of the packaging box;

the drying device also comprises a conveying component for conveying the packaging box from the inlet to the outlet and a hot air component arranged at the lower part of the packaging box;

and the circulating air pipe is arranged at the top of the oven and used for sucking hot air and transferring the hot air from the air return machine.

Through adopting above-mentioned technical scheme, the shrink film encloses to packing box periphery side and conveys to the oven inside from the entrance in shrink film packing plant department, under conveying assembly's drive effect, hot-blast through hot-blast subassembly blowout heats and contracts, when hot-blast gathering at the oven top, the return air machine draws in hot-blast circulation tuber pipe, according to specific needs with the interior wind of circulation tuber pipe guide to packing box be heated inconvenient place (be close to oven entry and exit or packing box's both sides wall department), like this, make the hot-blast rise gathering that hot-blast subassembly of packing box bottom was made after the top, can sink again and realize cyclic utilization, the degree of consistency that the shrink film was retracted has been improved, hot-blast utilization ratio has been improved.

Optionally, the hot air subassembly includes the fan, fixedly sets up a plurality of electrical heating spare on fan upper portion, be provided with the driving piece that is used for driving fan pivoted in the oven, electrical heating spare electric connection has the PLC controller.

Through adopting above-mentioned technical scheme, PLC controller control electrical heating spare is opened, then uses the driving piece to drive the fan and rotates and form the negative pressure again, and outside air gets into between the electrical heating from fan department, and the air of inflow electrical heating spare department is heated after passing through from electrical heating spare department, forms hot-blast and hot-blast upward movement, can receive the pyrocondensation after the pyrocondensation membrane contacts hot-blast and move and press close to with the packing box.

Optionally, the conveying assembly comprises a plurality of conveying rollers rotatably erected in the oven, a plurality of synchronizing wheels coaxially fixedly connected to two ends of the conveying rollers, and a synchronous belt sleeved on the peripheral walls of two adjacent synchronizing wheels at the same time, and the rotating shaft direction of the conveying rollers is perpendicular to the conveying direction of the packing belt;

the oven is provided with a rotating piece for driving any synchronizing wheel to rotate.

Through adopting above-mentioned technical scheme, the drive piece drives arbitrary synchronizing wheel and rotates, and the synchronizing wheel passes through the synchronous belt and drives another synchronizing wheel rotation that links to each other with it, and adjacent conveying roller can synchronous rotation, and a plurality of conveying rollers rotate finally to drive the baling box on it under the effect of frictional force and remove to the export from the entrance.

Optionally, a dispersing plate with heat conducting property is detachably arranged in the oven, a plurality of air holes are formed in the dispersing plate, and the dispersing plate is arranged between the heating wire and the conveying roller;

and a rubber sleeve is sleeved on the peripheral wall of the conveying roller.

By adopting the technical scheme, the dispersing plate is arranged, so that the dispersing plate can be heated after hot air is transmitted to the fan plate, the whole dispersing plate is enabled to dissipate heat uniformly, and the heat is more conveniently transmitted to the bottom wall of the packing box above the conveying roller; meanwhile, the rubber sleeve is sleeved on the periphery of the conveying roller, so that heat can be partially isolated, and the outer wall of the conveying roller is placed to be excessively high in temperature after being blown by hot air for a long time, so that the part, attached to the conveying roller, of the outer heat shrinkage film of the bottom wall of the packaging box is excessively retracted.

Optionally, the air return machine comprises an air return pipe fixedly arranged on the top wall of the oven and communicated to the interior of the oven, and a rotating fan fixedly arranged in the air return pipe, and a driving piece for driving the rotating fan to rotate is also arranged in the oven;

one end of the circulating air pipe is communicated with the air return pipe, and the other end of the circulating air pipe extends to be close to the packing box.

Through adopting above-mentioned technical scheme, driving piece drive changes the fan and rotates, and the inside negative pressure that produces promptly along the top and the bottom both sides of changeing the fan of return air pipe to the hot-blast quilt of oven inboard top is inhaled in the return air pipe and is transmitted to packing box department again along the extending direction of circulation tuber pipe, is favorable to hot-blast cyclic utilization and make full use of.

Optionally, the circulating air pipe is far away from the tip ball intercommunication of return air pipe has the fan housing just the fan housing is rotatable to be installed the tip of circulating air pipe, the length direction of fan housing extends along the direction of delivery of packing box, the fan housing can rotate to the side slope towards the packing box.

Through adopting above-mentioned technical scheme, hot-blast in the circulation tuber pipe is leading-in packing box department again through the fan housing, communicates fan housing and return air pipe tip and rotatable setting on the return air pipe to the hot-blast angle of fan housing recovery is adjustable, more is favorable to improving the accuracy when hot-blast to different specification packing boxes blowing.

Optionally, the oven comprises an inner box and an outer box fixedly covered outside the inner box, two baffles are fixedly connected to the inner box, and the length directions of the two baffles extend along the conveying direction of the packing box and are respectively positioned at the upper parts of two ends of the conveying roller in the length direction;

an insulating layer is fixedly connected to the outer side wall of the outer box.

Through adopting above-mentioned technical scheme, the outer tank can cover the inner tank, reduces heat loss, simultaneously, and the heat preservation has further increased the thermal insulation performance of outer tank lateral wall, can not follow the inner tank both sides along the length direction of conveying roller and slide out when the baffle has realized the packing box and has removed.

Optionally, the roof department of oven in entry and export all is fixed and is provided with the curtain, the curtain will correspond entry or export and shelter from, the curtain cuts along the horizontal direction and is formed with the polylith branch curtain, the loose end of branch curtain can be along being close to or keep away from the direction of export.

Through adopting above-mentioned technical scheme, the curtain is sheltered from the opening of oven in the entrance and the exit of oven, has reduced the heat loss, cuts the curtain into a plurality of minute curtains, can not influence the packing box and convey to the oven in, simultaneously, the packing box slides in the back from minute curtain, and the free end of minute curtain can reset to shelter from the state under the action of gravity.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the heat shrinkage film is surrounded to the outer peripheral side of the packaging box at the heat shrinkage film packaging device and is conveyed to the interior of the oven from the inlet, under the driving action of the conveying component, hot air blown out by the hot air component is heated and retracted, when the hot air is gathered at the top of the oven, the hot air is pumped into the circulating air pipe by the air return machine, and the air in the circulating air pipe is guided to a place where the packaging box is inconvenient to be heated according to specific requirements, so that the hot air manufactured by the hot air component at the bottom of the packaging box is raised and gathered at the top and then can sink down again to realize cyclic utilization, the retraction uniformity of the heat shrinkage film is improved, and the utilization rate of the hot air is improved;

2. the driving piece drives any synchronizing wheel to rotate, the synchronizing wheel drives the other synchronizing wheel connected with the synchronizing wheel to rotate through the synchronizing belt, the adjacent conveying rollers can synchronously rotate, and finally the conveying rollers rotate and drive the packing box on the conveying rollers to move from the inlet to the outlet under the action of friction force;

3. hot air in the circulating air pipe is reintroduced into the packaging box through the air cover, the air cover is communicated with the end part of the air return pipe and is rotatably arranged on the air return pipe, so that the hot air angle recovered by the air cover is adjustable, and the accuracy of hot air blowing to packaging boxes of different specifications is improved.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a drying apparatus according to an embodiment of the present utility model.

Fig. 3 is a schematic cross-sectional view taken along line A-A in fig. 2.

FIG. 4 is a schematic view of the structure of the conveying assembly and the hot air assembly and the dispersing plate according to the embodiment of the present utility model.

Reference numerals: 1. a heat shrink film packaging device; 11. a winding assembly; 12. a bag making assembly; 13. edge banding assembly; 2. a drying device; 21. an oven; 211. an inner box; 2111. a baffle; 2112. a slot; 212. an outer case; 2121. a heat preservation layer; 213. an inlet; 214. an outlet; 215. a curtain; 2151. dividing curtains; 3. tunnel type microwave oven; 4. a conveyor belt; 5. a transport assembly; 51. a conveying roller; 511. a rubber sleeve; 52. a synchronizing wheel; 53. a synchronous belt; 6. a hot air assembly; 61. a fan; 62. an electric heating element; 7. a return air machine; 71. an air return pipe; 72. rotating the fan; 8. a dispersion plate; 81. a handle; 9. a circulating air pipe; 91. and a fan cover.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses hot-chain snack plastic packaging equipment. Referring to fig. 1, the hot-chain fast food plastic package packaging equipment comprises a heat-shrink film packaging device 1, a drying device 2 is connected to the heat-shrink film packaging device 1 corresponding to the conveying direction of the packaging box, a tunnel type microwave oven 3 is further arranged on one side, far away from the heat-shrink film mechanism, of the drying device 2, and for the conveying of the packaging box, the heat-shrink film packaging device 1, the drying device 2 and the tunnel type microwave oven 3 are realized through a conveying belt 4.

The heat shrinkage film packaging device 1 comprises a winding component 11 for winding the heat shrinkage film, a bag making component 12 for bending the heat shrinkage film into a bag, and a sealing component 13 for sealing and cutting the heat shrinkage film coated outside the packaging box.

The drying device 2 comprises an oven 21, a conveying component 5, a hot air component 6, a return air fan 7 and a circulating air pipe 9.

The oven 21 includes an inner box 211 and an outer box 212 fixedly covered outside the inner box 211, and an insulation layer 2121 is fixedly connected to the outer side wall of the outer box 212, wherein the insulation layer 2121 can be a polyurethane insulation board or a foam board so as to improve the insulation effect on hot air in the inner box 211; the oven 21 is provided with an inlet 213 and an outlet 214 for inputting and outputting the packing box along both side ends of the packing box conveying direction, respectively.

The top walls of the inlet 213 and the outlet 214 of the oven 21 are fixedly provided with a baffle 215, and the baffle 215 is preferably made of transparent PVC material and can shield the corresponding inlet 213 or outlet 214; the barrier 215 is cut in a horizontal direction to form a plurality of split curtains 2151, and cloth strips or rubber strips are fixedly connected to the cut portions of the split curtains 2151, which are close to each other, so that the tightness between the two split curtains 2151, which are close to each other, is increased.

The conveying assembly 5 is used for conveying the packaging box from the inlet 213 to the outlet 214, and the conveying assembly 5 comprises a plurality of conveying rollers 51 rotatably arranged in the oven 21, a plurality of synchronizing wheels 52 coaxially fixedly connected to two ends of the conveying rollers 51, and a plurality of synchronizing belts 53 sleeved on the peripheral walls of two adjacent synchronizing wheels 52 at the same time, wherein in the embodiment, the plurality of continuous synchronizing belts 53 are positioned on two sides of the conveying rollers 51 with different width directions.

The number of the conveying rollers 51 is selected and set according to the length of the oven 21, but the rotating shaft direction of the conveying rollers 51 needs to be perpendicular to the conveying direction of the packing belt, a rotating piece for driving any synchronizing wheel 52 to rotate is arranged on the oven 21, and the rotating direction of the synchronizing wheel 52 needs to be compliant with the conveying direction of the packing box; when the conveyor is started to drive one synchronizing wheel 52 to rotate, the conveying rollers 51 can synchronously rotate.

Meanwhile, since the conveying roller 51 and the packing belt are driven by friction, a rubber sleeve 511 is adhesively fitted on the outer peripheral wall of the conveying roller 51 in order to enhance the conveying effect.

In order to limit the shifting or even sliding of the packing box along the end of the conveying roller 51 in the moving process, two baffle plates 2111 are fixedly connected to the inner box 211, and the length directions of the two baffle plates 2111 extend along the conveying direction of the packing box and are respectively positioned at the upper parts of the two ends of the conveying roller 51 in the length direction;

when the thermal shrinkage film is coated outside the packaging box and cut, the packaging box covered with the thermal shrinkage film at the thermal shrinkage film packaging device 1 is transferred to the conveying component 5 by the conveying belt 4, and the packaging box is transferred to the outlet 214 from the inlet 213 by the conveying component 5; in the process that the packaging box enters the oven 21 from the inlet 213, the movable end of the split curtain 2151 can slide into the oven 21 along the direction away from the inlet 213, and after the packaging box is completely moved into the oven 21, under the action of gravity, the split curtain 2151 can reset to cover the opening again, so that the heat dissipation in the oven 21 is further reduced.

The hot air assembly 6 comprises a fan 61 and a plurality of electric heating elements 62 fixedly arranged on the upper portion of the fan 61, a driving element for driving the fan 61 to rotate is arranged in the oven 21, the electric heating elements 62 are electrically connected with a PLC (not shown), the electric heating elements 62 in the embodiment can be selected from electric heating wires or electric heating sheets, and the electric heating elements 62 are bent and fixed at the bottom of the inner side of the oven 21.

It should be noted that the hot air assemblies 6 in this embodiment may be arranged in multiple groups, but the hot air assemblies 6 should be located at the lower part of the packaging box and the conveying roller 51, so that the hot air can better blow the heat shrinkage film at the bottom of the packaging box when rising.

Further, in order to improve the retraction uniformity of the heat shrinkage film at the bottom of the packaging box, a dispersing plate 8 with heat conduction performance is detachably arranged between the electric heating element 62 and the conveying roller 51 of the oven 21; the inner box 211 and the outer box 212 are provided with slots 2112 which are in plug-in fit with the dispersion plate 8, the dispersion plate 8 is fixedly connected with a handle 81, and the dispersion plate 8 is inserted between the electric heating element 62 and the conveying roller 51 at the slots 2112, so that the dispersion plate 8 can be conveniently and detachably cleaned and replaced; the dispersing plate 8 is preferably made of steel, and a plurality of air holes are formed in the dispersing plate 8, so that the heat can be more uniformly dispersed through the transmission of the dispersing plate 8 by hot air generated at the electric heating part 62.

The return air fan 7 is arranged at the top of the oven 21 and is used for sucking hot air, and the circulating air pipe 9 is used for transferring the hot air from the return air fan 7 and re-transferring the hot air to the packaging box.

Specifically, the air return machine 7 comprises an air return pipe 71 fixedly arranged on the top wall of the oven 21 and communicated to the interior of the oven 21, a rotating fan 72 fixedly arranged in the air return pipe 71, a driving piece for driving the rotating fan 72 to rotate is also arranged in the oven 21, one end of the circulating air pipe 9 is communicated with the air return pipe 71, and the other end of the circulating air pipe extends to be close to the packaging box.

The tip ball intercommunication that return air pipe 71 was kept away from to circulation tuber pipe 9 has fan housing 91 and fan housing 91 rotatable mounting at the tip of circulation tuber pipe 9, and the length direction of fan housing 91 extends along the direction of delivery of packing box, and fan housing 91 can rotate to the side slope towards the packing box, and this intercommunication and rotatable mounting's mode can be through the intercommunication bellows between fan housing 91 and circulation tuber pipe 9, sets up the ball hinge seat between the two simultaneously and realizes, also can realize rotating after being connected a plurality of bearings and change between fan housing 91 and circulation tuber pipe 9, and this embodiment does not do the restriction.

The driving piece and the rotating piece are both set as servo motors, the shells of the servo motors are fixedly arranged on the oven 21, and the output ends of the servo motors are fixedly connected with the corresponding synchronous wheels 52/fans 61/rotating fans 72.

The embodiment of the utility model relates to a hot-chain snack plastic packaging device, which comprises the following implementation principle: the heat shrinkage film is sealed by the bag making assembly 12 and the sealing assembly 13 and is coated on the outer side of the packaging box, is conveyed to the conveying roller 51 through the conveying belt 4, the packaging box is conveyed to the outlet 214 from the inlet 213 of the oven 21 by the conveying roller 51, is heated by hot air blowing and is shrunk to be attached to the packaging box, and is conveyed to the tunnel microwave oven 3 through the conveying belt 4 to be heated, so that hot chain packaging is finally realized.

When the hot air generated by the hot air assembly 6 floats upwards, the hot air can be wrapped with the lower half part of the packaging box and fully contacted with the packaging box, but the hot air with relatively low density can be gathered on the upper part of the oven 21, and the hot air at the top is sucked down again under the action of the air return machine 7 and the circulating air pipe 9, so that the cyclic utilization is realized, the upper part of the packaging box can be fully contacted with the hot air, and finally, the retraction uniformity of the thermal shrinkage film at the periphery of the packaging box is improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a hot chain snack plastic packaging equipment, includes heat shrinkage film packing plant (1), its characterized in that: the heat shrink film packaging device (1) is connected with a drying device (2) corresponding to the conveying direction of the packaging box;

the drying device (2) comprises an oven (21), and an inlet (213) and an outlet (214) for inputting and outputting the packaging box are respectively formed in two side ends of the oven (21) along the conveying direction of the packaging box;

the drying device (2) further comprises a conveying component (5) for conveying the packaging box from the inlet (213) to the outlet (214), and a hot air component (6) arranged at the lower part of the packaging box;

and the air return machine (7) is arranged at the top of the oven (21) and used for sucking hot air and the circulating air pipe (9) is used for transferring the hot air from the air return machine (7).

2. The hot-chain snack plastic packaging device as claimed in claim 1, wherein: the hot air assembly (6) comprises a fan (61) and a plurality of electric heating elements (62) fixedly arranged on the upper portion of the fan (61), a driving element for driving the fan (61) to rotate is arranged in the oven (21), and the electric heating elements (62) are electrically connected with a PLC.

3. The hot-chain snack plastic packaging device as claimed in claim 2, wherein: the conveying assembly (5) comprises a plurality of conveying rollers (51) rotatably arranged in the oven (21), a plurality of synchronizing wheels (52) coaxially fixedly connected to two ends of the conveying rollers (51), and a synchronous belt (53) sleeved on the peripheral walls of two adjacent synchronizing wheels (52) at the same time, wherein the rotating shaft direction of the conveying rollers (51) is perpendicular to the conveying direction of the packing belt;

the oven (21) is provided with a rotating member for driving any one of the synchronous wheels (52) to rotate.

4. A hot-chain snack plastic packaging apparatus as claimed in claim 3, wherein: a dispersing plate (8) with heat conducting performance is detachably arranged in the oven (21), a plurality of air holes are formed in the dispersing plate (8), and the dispersing plate (8) is arranged between the heating wire and the conveying roller (51);

a rubber sleeve (511) is sleeved on the peripheral wall of the conveying roller (51).

5. A hot-chain snack plastic packaging apparatus as claimed in claim 3, wherein: the air return machine (7) comprises an air return pipe (71) fixedly arranged on the top wall of the oven (21) and communicated to the interior of the oven (21), and a rotating fan (72) fixedly arranged in the air return pipe (71), and a driving piece for driving the rotating fan (72) to rotate is also arranged in the oven (21);

one end of the circulating air pipe (9) is communicated with the air return pipe (71), and the other end of the circulating air pipe extends to be close to the packing box.

6. The hot-chain snack plastic packaging device as claimed in claim 5, wherein: the end ball intercommunication that circulated tuber pipe (9) were kept away from return air pipe (71) has fan housing (91) just fan housing (91) rotatable install the tip of circulated tuber pipe (9), the length direction of fan housing (91) extends along the direction of delivery of packing box, fan housing (91) can rotate to the side slope towards the packing box.

7. The hot-chain snack plastic packaging device as claimed in claim 5, wherein: the oven (21) comprises an inner box (211) and an outer box (212) fixedly covered outside the inner box (211), two baffles (2111) are fixedly connected to the inner box (211), and the length directions of the two baffles (2111) extend along the conveying direction of the packing box and are respectively positioned at the upper parts of the two ends of the conveying roller (51) in the length direction;

an insulating layer (2121) is fixedly connected to the outer side wall of the outer box (212).

8. The hot-chain snack plastic packaging apparatus as claimed in claim 7, wherein: the top wall department of oven (21) in entry (213) and export (214) is fixed and is provided with baffle (215), baffle (215) shelter from corresponding entry (213) or export (214), baffle (215) cut along the horizontal direction and are formed with polylith branch curtain (2151), the loose end of branch curtain (2151) can be along being close to or keep away from the direction of export (214).