CN218892781U

CN218892781U - Nitrogen charging device for food packaging

Info

Publication number: CN218892781U
Application number: CN202222387479.1U
Authority: CN
Inventors: 郭保平; 许方方; 张文军
Original assignee: Zhejiang Baobaochan Food Technology Co ltd
Current assignee: Zhejiang Baobaochan Food Technology Co ltd
Priority date: 2022-09-03
Filing date: 2022-09-03
Publication date: 2023-04-21
Anticipated expiration: 2032-09-03

Abstract

The utility model discloses a nitrogen charging device for food packaging, which comprises a frame, wherein a bag roller is arranged at the bottom of one end of the frame, a plurality of guide rollers are arranged in an inner cavity of the frame, a hopper is arranged at the top of the other end of the frame, a fixing seat is arranged at the bottom of the inner cavity of the frame, which is close to one end of the hopper, a bag forming mechanism is arranged between the top of the fixing seat and the bottom of the hopper, a heat sealing mechanism is arranged in the middle of the fixing seat, a dragging roller is arranged on the fixing seat at the bottom of the heat sealing mechanism, a cutting-off knife is arranged on the fixing seat at the bottom of the dragging roller, and nitrogen pipes are sleeved on the hopper and the bag forming mechanism. The plastic film is led into annular bag gradually through becoming bag mechanism, and the hopper discharge gate is located annular bag, and the heat seal mechanism carries out the heat synthesis bag to the edge of annular bag, and the nitrogen pipe is discharged the air in hopper and the wrapping bag completely, and food in the hopper falls into the bag, and rethread heat seal mechanism seals, drags the roller and pulls the wrapping bag pull-down, finally cuts off through the cutting-off knife, realizes packing and nitrogen filling synchronization and goes on, raises the efficiency.

Description

Nitrogen charging device for food packaging

Technical Field

The utility model relates to the technical field of food packaging, in particular to a nitrogen charging device for food packaging.

Background

The packaging bag is usually used for heat-sealing and sealing packaging, nitrogen filling is needed for some food packages, the oxygen content in the packaging bag is guaranteed to be very low, oxidation or putrefaction of food is avoided, the existing nitrogen filling device is used for filling nitrogen after the packaging bag is formed, the oxygen content in equipment is high during packaging, the oxygen in the packaging bag is difficult to be fully extruded, the separation efficiency is low, and aiming at the problems, the inventor proposes a nitrogen filling device for the food packages, which is used for solving the problems.

Disclosure of Invention

In order to solve the problems that the existing nitrogen filling devices are used for filling nitrogen after packaging bags are formed, the oxygen content in equipment is high during packaging, the oxygen in the packaging bags is difficult to be fully extruded, and the efficiency of separate operation is low; the utility model aims to provide a nitrogen charging device for food packaging.

In order to solve the technical problems, the utility model adopts the following technical scheme: a nitrogen charging device for food package, which comprises a frame, the bag roller is installed to the one end bottom of frame, a plurality of guide rolls are installed to the inner chamber of frame, the hopper is installed at the other end top of frame, the frame is close to the one end inner chamber bottom fixed mounting of hopper has the fixing base, install into bag mechanism between the bottom of fixing base's top and hopper, the mid-mounting of fixing base has heat sealing mechanism, install the pulling roll on the fixing base of heat sealing mechanism bottom, install the cutter on the fixing base of pulling roll bottom, all cup jointed the nitrogen pipe on hopper and the bag mechanism.

Preferably, the sealing door is arranged on the outer wall of one end of the frame, which is close to the fixed seat, and the chute with the inclined structure is arranged at the bottom of the fixed seat.

Preferably, the bottom of hopper is fixed to cup joint the unloading pipe, the roof that runs through the frame is fixed to the unloading pipe, bag mechanism is connected into to the bottom of unloading pipe, the top fixed mounting of frame has the mount, fixed mounting has the hydraulic stem on the mount, the apron is connected to the push rod of hydraulic stem, apron joint hopper, the lateral wall of hopper is fixed to cup joint the nitrogen pipe, the fixed blast pipe that cup joints on the apron, the bottom of hopper is hopper-shaped structure, the bottom fixed mounting of apron has the motor, fixed mounting has the puddler on the output shaft of motor, the length from the top down of puddler reduces gradually, all install the valve in blast pipe and the unloading pipe.

Preferably, the bag forming mechanism comprises a fixing rod, the top fixed mounting of fixing base has the dead lever, the inner chamber top fixed mounting of frame has the shaping pipe, the shaping pipe cup joints in the outside of unloading pipe, the nitrogen pipe stretches into in the shaping pipe, the top fixed mounting guide ring of dead lever, the guide ring cup joints in the top outside of shaping pipe, fixed mounting has the clamp ring on the dead lever, the top of shaping pipe is big-end-up's round platform structure, the bottom of shaping pipe is hollow cylinder structure, the clamp ring is C type structure, and clamp ring's C type opening both sides inner wall top fixed mounting has the motor, fixed the cup joint the gyro wheel on the output shaft of motor.

Preferably, the heat sealing mechanism comprises a fixed plate, the fixed plate is fixedly installed at both ends of the top of the side wall of the fixed plate, a first air cylinder is fixedly installed on one surface, close to the fixed plate, of the fixed plate, a vertical electric heating plate is fixedly installed on a push rod of the first air cylinder, a second air cylinder is fixedly installed at both ends of the outer wall of a fixing seat at the bottom of the fixed plate, a horizontal electric heating plate is fixedly connected with a push rod of the second air cylinder, a fixed electric heating plate is fixedly installed on the outer wall of the fixing seat between the second air cylinders, and the fixed electric heating plate is opposite to the horizontal electric heating plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the food is stored in the hopper, the motor drives the stirring rod to stir, the food is convenient to fall, air in the hopper is discharged through the exhaust pipe by the nitrogen pipe, then a valve on the exhaust pipe is closed, the air is prevented from entering again, and nitrogen is saved;

2. the valve on the blanking pipe is opened and closed so as to realize the blanking of food, the packaging film on the bag roller is guided by the guide roller, enters the inner cavity of the guide ring, is gradually deformed between the outer wall of the cylinder and the clamping ring through the outer wall of the circular table of the forming pipe, the roller at the top of the clamping ring rotates outwards, so that the edge of the packaging film is pressed and slides out from the opening of the clamping ring, then the first cylinder drives the vertical electric plate to thermally connect the edges of the packaging film stretching out of the opening of the clamping ring, so that a semi-packaging bag with an upper opening and a lower opening is formed, then the second cylinder drives the horizontal electric plate to thermally connect the bottoms of the semi-packaging bag, so that the packaging bag with the upper opening is formed, at the moment, the nitrogen pipe discharges the air in the packaging bag, the food falls into the packaging bag through the blanking pipe, then the packaging bag is pulled downwards by the dragging roller, the horizontal electric plate thermally connects the upper opening of the packaging bag, and when the cutting knife cuts off each time, the middle part of the thermal connection position of the horizontal electric plate is cut off, so that the bottoms of the subsequent packaging bag are directly in a sealing state, and continuous processing is facilitated;

3. the hopper and the air in the packaging bag are extruded through a nitrogen pipe by high-pressure nitrogen (0.2-0.4 Mpa), the residual oxygen amount in the bag is ensured to be less than 3%, the qualified requirement of nitrogen filling and packaging is ensured, and the nitrogen filling and sealing are synchronously and continuously carried out, so that the efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model.

FIG. 2 is a schematic cross-sectional view of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.

FIG. 5 is a schematic diagram showing the structure of the package forming process according to the present utility model.

In the figure: 1. a frame; 2. a bag roller; 3. a guide roller; 4. a fixing seat; 5. a hopper; 51. a fixing frame; 52. a hydraulic rod; 53. a cover plate; 54. an exhaust pipe; 55. a motor; 56. a stirring rod; 57. discharging pipes; 6. a bagging mechanism; 61. a fixed rod; 62. forming a tube; 63. a guide ring; 64. a clamping ring; 65. a motor; 66. a roller; 7. a heat sealing mechanism; 71. a fixing plate; 72. a first cylinder; 73. a vertical electric heating plate; 74. a second cylinder; 75. fixing an electric heating plate; 76. a transverse electric heating plate; 8. a cutting knife; 9. a chute; 10. a nitrogen pipe; 11. sealing the door; 12. the roller is dragged.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1-5, the utility model provides a nitrogen charging device for food packaging, which comprises a frame 1, wherein a bag roller 2 is arranged at the bottom of one end of the frame 1, a plurality of guide rollers 3 are arranged in the inner cavity of the frame 1, a hopper 5 is arranged at the top of the other end of the frame 1, a fixing seat 4 is fixedly arranged at the bottom of the inner cavity of one end of the frame 1, which is close to the hopper 5, a bag forming mechanism 6 is arranged between the top of the fixing seat 4 and the bottom of the hopper 5, a heat sealing mechanism 7 is arranged in the middle of the fixing seat 4, a dragging roller 12 is arranged on the fixing seat 4 at the bottom of the heat sealing mechanism 7, a cutting-off cutter 8 is arranged on the fixing seat 4 at the bottom of the dragging roller 12, and nitrogen pipes 10 are sleeved on the hopper 5 and the bag forming mechanism 6.

Through above-mentioned technical scheme, original flaky wrapping bag plastics twine on bag roller 2, flaky plastics is led into annular bag through becoming bag mechanism 6 gradually, then hopper 5 discharge gate is located annular bag, carry out the thermal synthesis bag to the edge of annular bag through thermal-closure mechanism 7, the air in hopper 5 and the wrapping bag is discharged completely to nitrogen trachea 10, food in the hopper 5 falls into the bag, seal through thermal-closure mechanism 7 at last, drag roller 12 pull down the wrapping bag, finally cut off through cutting-off knife 8, realize packing and nitrogen filling synchronization go on, raise the efficiency.

Further, a sealing door 11 is installed on the outer wall of one end of the frame 1, which is close to the fixed seat 4, and a chute 9 with an inclined structure is installed at the bottom of the fixed seat 4.

Further, the bottom of hopper 5 is fixed cup joints unloading pipe 57, the roof that runs through frame 1 is fixed to unloading pipe 57, bag mechanism 6 is connected into to the bottom of unloading pipe 57, the top fixed mounting of frame 1 has mount 51, fixed mounting has hydraulic stem 52 on the mount 51, the apron 53 is connected to the push rod of hydraulic stem 52, apron 53 joint hopper 5, the lateral wall of hopper 5 is fixed cup joints nitrogen trachea 10, the fixed blast pipe 54 that cup joints on the apron 53, the bottom of hopper 5 is the funnel-shaped structure, the bottom fixed mounting of apron 53 has motor 55, fixed mounting has puddler 56 on the output shaft of motor 55, the length from the top down of puddler 56 reduces gradually, all install the valve in blast pipe 54 and the unloading pipe 57.

Through above-mentioned technical scheme, food is stored in hopper 5, and motor 55 drives puddler 56 stirring, and the food whereabouts of being convenient for is discharged through blast pipe 54 with the interior air of hopper 5 through nitrogen pipe 10, then closes the valve on the blast pipe 54, avoids the air to get into again, saves nitrogen gas, thereby the valve on the unloading pipe 57 is opened and close and is realized the blanking of food.

Further, the bagging mechanism 6 comprises a fixing rod 61, the top of the fixing seat 4 is fixedly provided with the fixing rod 61, the top of the inner cavity of the frame 1 is fixedly provided with a forming tube 62, the forming tube 62 is sleeved on the outer side of the blanking tube 57, the nitrogen tube 10 stretches into the forming tube 62, the top of the fixing rod 61 is fixedly provided with a guide ring 63, the guide ring 63 is sleeved on the outer side of the top of the forming tube 62, the fixing rod 61 is fixedly provided with a clamping ring 64, the top of the forming tube 62 is of a round table structure with a large top and a small bottom, the bottom of the forming tube 62 is of a hollow cylindrical structure, the clamping ring 64 is of a C-shaped structure, the tops of the inner walls of two sides of the C-shaped opening of the clamping ring 64 are fixedly provided with a motor 65, and an output shaft of the motor 65 is fixedly sleeved with a roller 66.

Further, the heat sealing mechanism 7 comprises a fixed plate 71, the two ends of the top of the side wall of the fixed plate 71 are fixedly provided with the fixed plate 71, one surface, close to the fixed plate 71, of the fixed plate 71 is fixedly provided with a first air cylinder 72, the push rod of the first air cylinder 72 is fixedly provided with a vertical electric heating plate 73, two ends of the outer wall of the fixed seat 4 at the bottom of the fixed plate 71 are fixedly provided with second air cylinders 74, the push rods of the second air cylinders 74 are fixedly connected with a horizontal electric heating plate 76, the outer wall of the fixed seat 4 between the second air cylinders 74 is fixedly provided with a fixed electric heating plate 75, and the fixed electric heating plate 75 is opposite to the horizontal electric heating plate 76.

Through the above technical scheme, the packaging film on the bag roller 2 is guided by the guide roller 3, enters the inner cavity of the guide ring 63, is gradually deformed between the cylindrical outer wall and the clamping ring 64 through the circular truncated cone outer wall of the forming tube 62 (as shown in fig. 5), the roller 66 at the top of the clamping ring 64 rotates outwards, so that the edge of the packaging film is pressed and slides out from the opening of the clamping ring 64, then the first air cylinder 72 drives the vertical electric plate 73 to heat-seal and connect the edges of the packaging film stretching out of the opening of the clamping ring 64, a semi-packaging bag with an upper opening and a lower opening is formed, then the second air cylinder 74 drives the horizontal electric plate 76 to heat-seal the bottom of the semi-packaging bag, so that a packaging bag with an upper opening is formed, at the moment, the nitrogen gas tube 10 discharges air in the packaging bag, the blanking tube 57 drops the food into the packaging bag, then the dragging roller 12 pulls the packaging bag downwards, the horizontal electric plate 76 heat-seals the upper opening of the packaging bag, and when the cutter 8 cuts off the middle of the heat-sealed position of the horizontal electric plate 76 each time, so that the bottom of the subsequent packaging bag is in a sealed state, and continuous processing is facilitated.

Further, the hopper 5 and the air in the packaging bag are extruded by high-pressure nitrogen (0.2-0.4 Mpa) through the nitrogen pipe 10, and a detection probe can be installed at the bottom of the reforming pipe 62 or the bottom of the blanking pipe 57, so that the residual oxygen content in the bag is ensured to be less than 3%, and the requirement of qualified nitrogen filling packaging is ensured.

Working principle: food is stored in hopper 5, motor 55 drives puddler 56 stirring, be convenient for food whereabouts, air in hopper 5 is discharged through blast pipe 54 through nitrogen pipe 10, then valve closure on with blast pipe 54, avoid the air to get into again, save nitrogen gas, thereby the valve on the unloading pipe 57 is opened and close and is realized the blanking of food, packaging film on the bag roller 2 passes through the direction of guide roll 3, get into guide ring 63 inner chamber, through the round platform outer wall of forming tube 62 progressively deformation to between cylinder outer wall and clamp ring 64, the gyro wheel 66 at clamp ring 64 top outwards rotates, make packaging film edge compress tightly the roll-off from clamp ring 64 opening, then first cylinder 72 drives vertical electric plate 73 and passes through clamp ring 64 opening department and stretches out packaging film edge heat seal connection, form upper and lower open half-wrapping bag, then drive horizontal electric plate 76 through second cylinder 74 and heat seal the wrapping bag bottom of half-wrapping bag, thereby form upper open-ended wrapping bag, air discharge in this moment nitrogen pipe 10 will wrapping bag, the food is fallen into the wrapping bag in down through guide roll 3, then drag roller 12 will pull down, horizontal plate 76 again to wrapping bag upper open heat seal cut off, seal cut off, the top open cut off, seal 8 is cut off, make the continuous oxygen seal 2.0% continuous processing is guaranteed in the continuous air bag, the continuous sealing is in the time, and the continuous filling is in the air bag is in the condition of 2, and the continuous sealing is guaranteed, and the air sealing is in the bottom is in the condition of sealing 2, and the continuous sealing is in the air bag is in the bottom of sealing, and the air sealing condition is in the air condition is in the sealing, and 5, and the continuous condition is in the air sealing station is in the air sealing and is in the air.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. Nitrogen charging device for food packaging, comprising a frame (1), characterized in that: the utility model discloses a bag roller, including frame (1), bag roller (2) are installed to the one end bottom of frame (1), a plurality of guide rolls (3) are installed to the inner chamber of frame (1), hopper (5) are installed at the other end top of frame (1), frame (1) is close to one end inner chamber bottom fixed mounting of hopper (5) has fixing base (4), install between the bottom of fixing base (4) top and hopper (5) and become bag mechanism (6), mid-mounting of fixing base (4) has heat seal mechanism (7), install on fixing base (4) of heat seal mechanism (7) bottom and drag roller (12), install cutter (8) on fixing base (4) of dragging roller (12) bottom, all cup joint nitrogen pipe (10) on hopper (5) and the bag mechanism (6).

2. Nitrogen charging device for food packaging according to claim 1, characterized in that the outer wall of the end of the frame (1) close to the fixed seat (4) is provided with a sealing door (11), and the bottom of the fixed seat (4) is provided with a chute (9) with an inclined structure.

3. The nitrogen charging device for food packaging according to claim 1, wherein a blanking pipe (57) is fixedly sleeved at the bottom of the hopper (5), the blanking pipe (57) is fixedly penetrated through a top plate of the frame (1), a bag forming mechanism (6) is connected at the bottom of the blanking pipe (57), a fixing frame (51) is fixedly installed at the top of the frame (1), a hydraulic rod (52) is fixedly installed on the fixing frame (51), a pushing rod of the hydraulic rod (52) is connected with a cover plate (53), the cover plate (53) is clamped with the hopper (5), a nitrogen pipe (10) is fixedly sleeved on the side wall of the hopper (5), and an exhaust pipe (54) is fixedly sleeved on the cover plate (53).

4. A nitrogen charging device for food packaging according to claim 3, characterized in that the bottom of the hopper (5) is of a funnel-shaped structure, the bottom of the cover plate (53) is fixedly provided with a motor (55), and the output shaft of the motor (55) is fixedly provided with a stirring rod (56).

5. The nitrogen charging apparatus for food packaging according to claim 4, wherein the length of the stirring rod (56) is gradually reduced from top to bottom, and valves are installed in the exhaust pipe (54) and the blanking pipe (57).

6. The nitrogen charging device for food packaging according to claim 1, wherein the bagging mechanism (6) comprises a fixed rod (61), the top of the fixed seat (4) is fixedly provided with the fixed rod (61), the top of the inner cavity of the frame (1) is fixedly provided with a forming tube (62), the forming tube (62) is sleeved on the outer side of the blanking tube (57), the nitrogen tube (10) stretches into the forming tube (62), the top of the fixed rod (61) is fixedly provided with a guide ring (63), the guide ring (63) is sleeved on the outer side of the top of the forming tube (62), and the fixed rod (61) is fixedly provided with a clamping ring (64).

7. The nitrogen charging device for food packaging according to claim 6, wherein the top of the forming tube (62) is in a truncated cone structure with a big top and a small bottom, the bottom of the forming tube (62) is in a hollow cylindrical structure, the clamping ring (64) is in a C-shaped structure, a motor (65) is fixedly arranged at the top of the inner walls of two sides of the C-shaped opening of the clamping ring (64), and a roller (66) is fixedly sleeved on an output shaft of the motor (65).

8. The nitrogen charging device for food packaging according to claim 1, wherein the heat sealing mechanism (7) comprises a fixed plate (71), both ends of the top of the side wall of the fixed plate (71) are fixedly provided with the fixed plate (71), one surface of the fixed plate (71) close to the fixed plate is fixedly provided with a first air cylinder (72), the push rod of the first air cylinder (72) is fixedly provided with a vertical electric heating plate (73), both ends of the outer wall of the fixed seat (4) at the bottom of the fixed plate (71) are fixedly provided with a second air cylinder (74), the push rod of the second air cylinder (74) is fixedly connected with a transverse electric heating plate (76), the outer wall of the fixed seat (4) between the second air cylinders (74) is fixedly provided with a fixed plate (75), and the fixed electric heating plate (75) is opposite to the transverse electric heating plate (76).