Sealing device for packaging bag resistant to high-temperature cooking

Abstract

The utility model belongs to the technical field of packaging bag sealing, and particularly relates to a high-temperature-resistant cooking packaging bag sealing device which comprises a conveying frame. A perforated conveying belt is mounted in the middle of the conveying frame; a sealing machine is fixedly connected to the top of the conveying frame; two fixing plates are fixedly connected to the side wall of the sealing machine; the two fixing plates are oppositely arranged; a first exhaust pipe is fixedly connected to the bottom of the fixed plate; a plurality of groups of first exhaust holes are formed in the middle of the first exhaust pipe; an air suction pipe is fixedly connected to the bottom of the fixed plate; multiple groups of air suction holes are formed in the middle of the air suction pipe; a first air pump is fixedly connected to the side wall of the conveying frame; an air outlet pipe is fixedly connected to the middle of the first air pump; the end of the air outlet pipe is fixedly connected with the middle of a first exhaust pipe. According to the structure, airflow is exhausted to the surface of the packaging bag through the multiple sets of first exhaust holes, dust, fibers and the like attached to the surface of the packaging bag can be effectively removed, and the situation that the sealing performance of a seal is reduced due to the fact that impurities remain at the seal can be effectively reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of packaging bag sealing, in particular to a sealing device for high-temperature resistant retorting packaging bags. Background Art

[0002] Retort packaging bags are specially used for food packaging and can withstand retort processing.

[0003] During the cooking process, the food in the package will expand due to heat and the internal pressure will increase, causing it to overflow from the packaging bag, so the packaging bag needs to be sealed. In the existing technology, the cooking packaging bag is placed on a conveying mechanism, and the packaging bag is conveyed to the sealing machine position. The heating system in the sealing machine heats the sealing piece. The heated sealing piece contacts the opening part of the packaging bag and seals the opening of the packaging bag by applying pressure.

[0004] During the sealing process of the retort packaging bag, dust and particles in the air will adhere to the packaging bag as the air flows, which may easily lead to problems such as loose sealing or leakage due to impurities in the sealing area.

[0005] To this end, the utility model provides a sealing device for a high-temperature resistant retort packaging bag. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the utility model to solve its technical problems is as follows: the utility model relates to a high-temperature cooking-resistant packaging bag sealing device, comprising a conveying frame; a conveyor belt with holes is installed in the middle of the conveying frame; a sealing machine is fixedly connected to the top of the conveying frame; two fixed plates are fixedly connected to the side walls of the sealing machine; the two fixed plates are arranged opposite to each other; a first exhaust pipe is fixedly connected to the bottom of the fixed plate; a plurality of first exhaust holes are provided in the middle of the first exhaust pipe; an intake pipe is fixedly connected to the bottom of the fixed plate; a plurality of intake holes are provided in the middle of the intake pipe; a first air pump is fixedly connected to the side wall of the conveying frame; an outlet pipe is fixedly connected to the middle of the first air pump; the end of the outlet pipe is fixedly connected to the middle of the first exhaust pipe; the middle of the first air pump is fixedly connected to the first air inlet pipe; the end of the first intake pipe is fixedly connected to the middle of the intake pipe; the multiple groups of first exhaust holes in the above structure discharge the airflow to the surface of the packaging bag, thereby effectively removing dust and fibers attached to the surface of the packaging bag, and effectively reducing the impurities remaining at the sealing point and causing the sealing performance to decrease.

[0008] Preferably, a baffle is fixed to the bottom of the fixed plate; the baffle is fixed between the first exhaust pipe and the intake pipe; through the above-mentioned structure, the baffle can guide the airflow discharged from the first exhaust pipe to flow in a predetermined direction, so that the airflow can be blown directly to the surface of the packaging bag.

[0009] Preferably, a fixing rod is fixed in the middle of the first exhaust pipe; the fixing rod is fixed near the bottom of the first exhaust pipe; a fixing rod is fixed in the middle of the intake pipe; the end of the fixing rod is rotatably connected to a roller; through the above structure, the roller can effectively keep the packaging bag in a stable travel path during the conveying process, effectively reducing the problem of deviation of the packaging bag caused by the blowing process.

[0010] Preferably, the side wall of the conveying rack is fixed with an air suction box; the air suction box is fixed inside the conveying rack; the bottom of the air suction box is fixed with a second air inlet pipe; the end of the second air inlet pipe is fixed with a second air pump; the middle of the second air pump is fixed with a second exhaust pipe; the middle of the second exhaust pipe is provided with multiple groups of second exhaust holes; through the above structure, the negative pressure airflow sucks the bottom of the packaging bag, so that the contact between the packaging bag and the perforated conveyor belt can be more closely fitted.

[0011] Preferably, two groups of support rods are fixed to the bottom of the vacuum box; two of the support rods form a group; the two groups of support rods are arranged opposite to each other; each group of support rods is arranged at an angle; the end of each group of support rods is rotatably connected to a threaded brush; the end of the threaded brush is in contact with the surface of the perforated conveyor belt; through the above structure, the threaded brush can clean impurities and oil stains attached to the perforated conveyor belt.

[0012] Preferably, two guide plates are fixedly connected to the middle of the second exhaust pipe; the two guide plates are arranged opposite to each other; the two guide plates are fixedly connected to both sides of multiple groups of second exhaust holes; the guide plates are arranged in an arc shape; through the above structure, the guide plates can effectively guide the airflow to flow along a predetermined path and can accurately control the direction of the airflow.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The high-temperature cooking-resistant packaging bag sealing device described in the utility model can effectively remove dust and fibers attached to the surface of the packaging bag by discharging airflow to the surface of the packaging bag through multiple groups of first exhaust holes, effectively reduce the amount of impurities remaining at the sealing point, resulting in a decrease in the sealing performance of the sealing point, and effectively reduce the problem of air leakage or seepage of the packaging bag caused by the failure of the sealing point to be sealed due to impurities.

[0015] 2. The high-temperature resistant cooking packaging bag sealing device described in the present invention can guide the airflow discharged from the first exhaust pipe to flow in a predetermined direction through the baffle, and can make the airflow blow directly onto the surface of the packaging bag, effectively reducing the mutual interference of the airflow between the first exhaust pipe and the intake pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1This is a three-dimensional diagram of a sealing device for a high-temperature resistant retort packaging bag in the present utility model;

[0018] Figure 2 It is a structural diagram of the first air pump in the utility model;

[0019] Figure 3 It is a structural diagram of the roller in the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the threaded brush in the utility model;

[0021] Figure 5 It is a structural diagram of the second exhaust pipe in the present utility model;

[0022] In the figure: 1. Conveyor rack; 10. Perforated conveyor belt; 11. Sealing machine; 12. Fixed plate; 13. First air pump; 14. Exhaust pipe; 15. First air inlet pipe; 16. First exhaust pipe; 17. First exhaust hole; 18. Suction pipe; 19. Suction hole; 2. Baffle; 3. Fixed rod; 31. Roller; 4. Vacuum box; 41. Second air inlet pipe; 42. Second air pump; 43. Second exhaust pipe; 44. Second exhaust hole; 5. Support rod; 51. Threaded brush; 6. Guide plate. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figures 1 to 3As shown, a high-temperature resistant cooking packaging bag sealing device described in an embodiment of the present invention includes a conveyor frame 1; a conveyor belt 10 with holes is installed in the middle of the conveyor frame 1; a sealing machine 11 is fixedly connected to the top of the conveyor frame 1; two fixing plates 12 are fixedly connected to the side walls of the sealing machine 11; the two fixing plates 12 are arranged opposite to each other; a first exhaust pipe 16 is fixedly connected to the bottom of the fixing plate 12; a plurality of first exhaust holes 17 are provided in the middle of the first exhaust pipe 16; an air intake pipe 18 is fixedly connected to the bottom of the fixing plate 12; a plurality of air intake holes 17 are provided in the middle of the air intake pipe 18 Hole 19; the side wall of the conveying frame 1 is fixedly connected to a first air pump 13; the middle of the first air pump 13 is fixedly connected to an air outlet pipe 14; the end of the air outlet pipe 14 is fixedly connected to the middle of the first exhaust pipe 16; the middle of the first air pump 13 is fixedly connected to a first air inlet pipe 15; the end of the first air inlet pipe 15 is fixedly connected to the middle of the suction pipe 18; when working, the packaging bag to be sealed is placed on the perforated conveyor belt 10, and the packaging bag is conveyed by the perforated conveyor belt 10. The first air pump 13 is powered on and turned on, so that the external airflow passes through the multiple groups of suction holes 19 and enters the suction pipe 18 The airflow is then transported to the inside of the air outlet pipe 14 through the first air pump 13, and then enters the inside of the first exhaust pipe 16 and is discharged to the conveying area through the multiple sets of first exhaust holes 17. When the packaging bag moves on the perforated conveyor belt 10, the dust and impurities on the surface of the packaging bag are blown away by the airflow, and then the dust and impurities are sucked into the suction pipe 18 by the negative pressure airflow, so that the packaging bag moves to the inside of the sealing machine 11 through the perforated conveyor belt 10 for sealing, and the airflow is discharged to the packaging bag through the multiple sets of first exhaust holes 17. The bag surface can effectively remove dust and fibers attached to the surface of the packaging bag, and can effectively reduce the amount of impurities remaining in the seal, which leads to a decrease in the sealing performance of the seal, and effectively reduce the problem of air leakage or seepage of the packaging bag due to the failure of the seal to be sealed due to impurities. The air flow is sucked in through the suction pipe 18, which can effectively reduce the dust and impurities from floating in the air, and reduce the dust and impurities from remaining in the air and attached to the packaging bag. The moisture on the surface of the packaging bag can be effectively removed by blowing air, which can effectively make the packaging bag fit more tightly when sealed, and effectively reduce the problem of air leakage or loose sealing caused by moisture.

[0025] like Figures 1 to 3As shown, a baffle 2 is fixedly connected to the bottom of the fixed plate 12; the baffle 2 is fixedly connected between the first exhaust pipe 16 and the intake pipe 18; during operation, the airflow discharged from the first exhaust pipe 16 blows off the dust and impurities on the surface of the packaging bag, and the baffle 2 blocks the dust and impurities from drifting to the area to be sealed. The baffle 2 can guide the airflow discharged from the first exhaust pipe 16 to flow in a predetermined direction, and can make the airflow blow directly to the surface of the packaging bag, effectively reducing the mutual interference of the airflow between the first exhaust pipe 16 and the intake pipe 18, and can make the first exhaust pipe 16 focus on blowing and cleaning the surface of the packaging bag, while the intake pipe 18 focuses on absorbing the generated impurities and excess gas, which can effectively improve the efficiency and effect of the entire packaging bag sealing process.

[0026] like Figures 1 to 3 As shown, a fixed rod 3 is fixedly connected to the middle of the first exhaust pipe 16; the fixed rod 3 is fixed near the bottom of the first exhaust pipe 16; the fixed rod 3 is fixed to the middle of the suction pipe 18; the end of the fixed rod 3 is rotatably connected to the roller 31; during operation, when the packaging bag moves on the perforated conveyor belt 10, when the packaging bag is offset, it first comes into contact with the roller 31, and at the same time rotates as the packaging bag moves, and the packaging bag is guided by the roller 31 to move to the center position. The roller 31 can effectively maintain a stable travel route of the packaging bag during transportation, effectively reducing the problem of deviation of the packaging bag during the blowing process, and the roller 31 can increase the contact area between the packaging bag and the conveyor belt, thereby effectively improving the stability of the packaging bag during transportation.

[0027] like Figure 4 and Figure 5As shown, the side wall of the conveying rack 1 is fixedly connected to an air pumping box 4; the air pumping box 4 is fixedly connected to the inside of the conveying rack 1; the bottom of the air pumping box 4 is fixedly connected to a second air inlet pipe 41; the end of the second air inlet pipe 41 is fixedly connected to a second air pump 42; the middle of the second air pump 42 is fixedly connected to a second exhaust pipe 43; the middle of the second exhaust pipe 43 is provided with a plurality of second exhaust holes 44; when working, the second air pump 42 is powered on and turned on, and the air inside the air pumping box 4 is sucked in through the second air inlet pipe 41. When the packaging bag enters the sealing machine 11 for sealing, the negative pressure airflow sucks the airflow inside the sealing machine 11, so that the airflow passes through the air pumping box 4 and the second air inlet pipe 41 and enters the inside of the second air pump 42. , and then discharged to multiple groups of second exhaust holes 44 through the second exhaust pipe 43, and the air flow is discharged to the position of the perforated conveyor belt 10 through the second exhaust holes 44. When the perforated conveyor belt 10 is cleaned by the air flow during movement, the bottom of the packaging bag is sucked by the negative pressure air flow, which can make the contact between the packaging bag and the perforated conveyor belt 10 more closely fit, and can effectively increase the stability of the packaging bag during the sealing and transportation process, reduce the problem of deviation of the sealing position caused by offset or shaking of the packaging bag during the sealing process, effectively improve the stability and continuity of the packaging bag sealing, and can blow the discharged air flow to the surface of the perforated conveyor belt 10, effectively increasing the cleanliness of the perforated conveyor belt 10 during movement.

[0028] like Figure 4 and Figure 5 When the brush 51 is in operation, the brush 51 is rotated to move along the conveyor belt 10 so that the brush 51 is in contact with the surface of the conveyor belt 10, and the brush 51 is rotated at the same time as the conveyor belt 10 moves. The surface of the conveyor belt 10 is cleaned by the brush 51, and the impurities and oil attached to the conveyor belt 10 can be cleaned by the brush 51. When the conveyor belt 10 is running continuously, the brush 51 is continuously rolled to realize continuous cleaning of the surface of the conveyor belt 10, effectively maintaining the continuity of the cleaning effect, and timely cleaning the surface of the conveyor belt 10 can effectively reduce the wear of the components caused by impurities and oil, and effectively extend the service life of the conveyor belt 10.

[0029] like Figure 4 and Figure 5As shown, two guide plates 6 are fixedly connected to the middle of the second exhaust pipe 43; the two guide plates 6 are arranged opposite to each other; the two guide plates 6 are fixedly connected to both sides of the multiple groups of second exhaust holes 44; the guide plates 6 are arranged in an arc shape; during operation, when the airflow is discharged, the airflow is guided to the surface of the perforated conveyor belt 10 through the two guide plates 6, and the guide plates 6 can effectively guide the airflow to flow along a predetermined path, accurately control the flow direction of the airflow, make the airflow more concentrated, and effectively strip and remove impurities on the surface of the perforated conveyor belt 10, thereby effectively improving the cleaning efficiency.

[0030] During operation, the packaging bag to be sealed is placed on the perforated conveyor belt 10, and the packaging bag is conveyed by the perforated conveyor belt 10. The first air pump 13 is powered on and turned on, so that the external air flows through the multiple groups of suction holes 19 into the suction pipe 18, and then passes through the first air inlet pipe 15 into the first air pump 13. The air flow is transported to the outlet pipe 14 through the first air pump 13, and then enters the first exhaust pipe 16 and is discharged to the conveying area from the multiple groups of first exhaust holes 17. When the packaging bag moves on the perforated conveyor belt 10, the dust and impurities on the surface of the packaging bag are blown away by the air flow, and then the dust and impurities are sucked into the suction pipe 18 by the negative pressure air flow, so that the packaging bag moves through the perforated conveyor belt 10 to the inside of the sealing machine 11 for sealing. In the process of blowing off the dust and impurities on the surface of the packaging bag by the air flow discharged from the first exhaust pipe 16, the baffle 2 prevents the dust and impurities from drifting to the area to be sealed. When the packaging bag moves on the perforated conveyor belt 10, if the packaging bag deviates, first It comes into contact with the roller 31 and rotates as the packaging bag moves. The packaging bag is guided by the roller 31 and moved to the center position. The second air pump 42 is powered on and turned on to suck the air inside the vacuum box 4 through the second air inlet pipe 41. When the packaging bag enters the sealing machine 11 for sealing, the negative pressure airflow sucks the air inside the sealing machine 11, so that the airflow passes through the vacuum box 4 and the second air inlet pipe 41 into the second air pump 42, and then is discharged to the multiple groups of second exhaust holes 44 through the second exhaust pipe 43. The airflow is discharged to the position of the perforated conveyor belt 10 through the second exhaust holes 44. When the perforated conveyor belt 10 is moving, it is cleaned by the airflow and contacts the surface of the perforated conveyor belt 10 through the threaded brush 51. When the perforated conveyor belt 10 moves, the threaded brush 51 rotates while the perforated conveyor belt 10 moves, and the surface of the perforated conveyor belt 10 is cleaned by the threaded brush 51. When the airflow is discharged, it is guided to the surface of the perforated conveyor belt 10 through the two guide plates 6.

[0031] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A sealing device for a high-temperature resistant retort packaging bag, comprising a conveyor frame (1); characterized in that: A conveyor belt (10) with holes is installed in the middle of the conveyor frame (1); a sealing machine (11) is fixedly connected to the top of the conveyor frame (1); two fixing plates (12) are fixedly connected to the side walls of the sealing machine (11); the two fixing plates (12) are arranged opposite to each other; a first exhaust pipe (16) is fixedly connected to the bottom of the fixing plate (12); a plurality of first exhaust holes (17) are provided in the middle of the first exhaust pipe (16); a suction pipe (16) is fixedly connected to the bottom of the fixing plate (12). The air pipe (18) is provided with a plurality of air intake holes (19) in the middle of the air intake pipe (18); the side wall of the conveying frame (1) is fixedly connected to a first air pump (13); the middle of the first air pump (13) is fixedly connected to an air outlet pipe (14); the end of the air outlet pipe (14) is fixedly connected to the middle of a first exhaust pipe (16); the middle of the first air pump (13) is fixedly connected to a first air intake pipe (15); the end of the first air intake pipe (15) is fixedly connected to the middle of the air intake pipe (18).

2. The sealing device for a high-temperature resistant retort packaging bag according to claim 1, characterized in that: A baffle (2) is fixedly connected to the bottom of the fixed plate (12); the baffle (2) is fixedly connected between the first exhaust pipe (16) and the intake pipe (18).

3. The sealing device for a high-temperature resistant retort packaging bag according to claim 2, characterized in that: A fixing rod (3) is fixedly connected to the middle of the first exhaust pipe (16); the fixing rod (3) is fixedly connected near the bottom of the first exhaust pipe (16); a fixing rod (3) is fixedly connected to the middle of the intake pipe (18); and a roller (31) is rotatably connected to the end of the fixing rod (3).

4. The high temperature resistant retort packaging bag sealing device according to claim 3, characterized in that: The side wall of the conveying frame (1) is fixedly connected to a vacuum box (4); the vacuum box (4) is fixedly connected to the inside of the conveying frame (1); the bottom of the vacuum box (4) is fixedly connected to a second air inlet pipe (41); the end of the second air inlet pipe (41) is fixedly connected to a second air pump (42); the middle of the second air pump (42) is fixedly connected to a second exhaust pipe (43); the middle of the second exhaust pipe (43) is provided with a plurality of second exhaust holes (44).

5. The sealing device for a high-temperature resistant retort packaging bag according to claim 4, characterized in that: Two groups of support rods (5) are fixedly connected to the bottom of the vacuum box (4); the two support rods (5) form a group; the two groups of support rods (5) are arranged opposite to each other; each group of support rods (5) is arranged obliquely; the end of each group of support rods (5) is rotatably connected to a threaded brush (51); the end of the threaded brush (51) is in contact with the surface of the perforated conveyor belt (10).

6. The high temperature resistant retort packaging bag sealing device according to claim 5, characterized in that: Two guide plates (6) are fixedly connected to the middle of the second exhaust pipe (43); the two guide plates (6) are arranged opposite to each other; the two guide plates (6) are fixedly connected to both sides of the plurality of groups of second exhaust holes (44); and the guide plates (6) are arranged in an arc shape.

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