A vacuum packaging device for seafood storage

Abstract

The invention discloses a vacuum packaging device for seafood storage, and the invention relates to the technical field of seafood packaging, comprising a storage barrel, the outer surface of the storage barrel is fixedly connected to a box body, a vacuum chamber is opened on the side wall of the box body, cavities are opened on both sides of the vacuum chamber, one end of a chain is rotatably sleeved in the cavity, and a bracket is rotatably sleeved on the other end of the chain. The advantages of the invention are: the diameter of the discharge hole of the storage barrel can be independently adjusted according to the caliber of the packaging bag, so that when the packaging bag carries seafood, the seafood is not easy to slide out of the packaging bag, and at the same time, the discharge hole can be expanded to the maximum extent, so that the packaging carrying seafood can achieve the maximum efficiency, indirectly shortening the vacuum packaging cycle, and at the same time fully ensuring the sealing of the vacuum chamber, so that the air in the packaging bag can be completely extracted during vacuum packaging, ensuring the quality of vacuum packaging, and then ensuring the storage of seafood, and the sealing of the vacuum chamber can be autonomously enhanced while vacuuming.

Description

Technical Field

[0001] The invention relates to the technical field of seafood packaging, in particular to a vacuum packaging device for seafood storage. Background Art

[0002] A packaging machine is a type of machine that packages products to protect or beautify them. It is widely used in food, daily chemical, textile and other industries. A vacuum packaging machine can automatically extract the air in the packaging bag and complete the sealing process after reaching a predetermined vacuum degree. Food vacuum packaging machines vacuum-pack meat products, rice and other foods. The packaged food can prevent mildew and preserve quality and freshness.

[0003] After searching, Chinese patent No. CN219687678U discloses a vacuum packaging device for seafood noodle and rice products. Although the vacuum packaging box is connected to the vacuum pump to facilitate vacuum processing, the air in the packaging bag can be extracted together, which can provide a better vacuum environment for vacuum, thereby avoiding the problem of air entering the packaging bag due to secondary sealing. However, it is unable to autonomously adjust the diameter of the discharge hole of the storage barrel according to the caliber of the packaging bag, so that when the packaging bag carries seafood, the seafood is very easy to slide out of the packaging bag. At the same time, the seafood cannot be packaged and carried with maximum efficiency, which prolongs the vacuum packaging cycle. At the same time, the sealing of the vacuum chamber cannot be fully guaranteed, so that the air in the packaging bag cannot be completely extracted during vacuum packaging, affecting the quality of vacuum packaging, thereby affecting the storage of seafood. At the same time, it is unable to autonomously enhance the sealing of the vacuum chamber while vacuuming. Summary of the invention

[0004] The object of the present invention is to provide a vacuum packaging device for seafood storage.

[0005] In order to solve the problems raised in the above background technology, the present invention provides the following technical solutions: a vacuum packaging device for seafood storage, comprising a storage barrel, the outer surface of the storage barrel is fixedly connected to a box body, a vacuum chamber is opened on the side wall of the box body, and cavities are opened on both sides of the vacuum chamber, one end of a chain is rotatably sleeved in the cavity, and a bracket is rotatably sleeved on the other end of the chain, a motor is installed on the side wall of the bracket, a sealing strip is fixedly connected to the side wall of the chain, and a spacer is fixedly connected between the sealing strips. A plate is placed, a motor is installed in the bottom wall of the storage barrel, a transmission shaft is fixedly connected to the output end of the motor, a driving gear is fixedly sleeved on the outer surface of the transmission shaft, a first gear ring is meshedly connected to the outer surface of the driving gear, a driven gear is meshedly connected to the inner surface of the first gear ring, a worm is fixedly connected to the central axis of the driven gear, a worm wheel is meshedly connected to the outer surface of the worm, a connecting block is fixedly connected to the end surface of the worm wheel, a rotating rod is fixedly connected to the side wall of the connecting block, and a rubber cloth is fixedly connected to the side wall of the rotating rod;

[0006] A driving roller is fixedly connected to the bottom surface of the transmission shaft, one end of the track is slidably sleeved on the outer surface of the driving roller, and a driven roller is slidably sleeved on the other end of the track, a first rotating shaft is fixedly connected to the central axis of the driven roller, a ring is slidably sleeved on the bottom end of the first rotating shaft, a second rotating shaft is slidably sleeved on the bottom end of the ring, a clamping strip is fixedly connected to the outer surfaces of the second rotating shaft and the first rotating shaft, a clamping groove is provided on the inner surface of the ring, a transmission gear is fixedly connected to the bottom surface of the second rotating shaft, a second gear ring is meshedly connected to the outer surface of the transmission gear, an inclined meshing tooth is provided on the top surface of the second gear ring, a helical gear is meshedly connected to the inclined meshing tooth, a screw rod is meshedly sleeved on the central axis of the helical gear, and a clamp is fixedly connected to the end surface of the screw rod.

[0007] As a further solution of the present invention: two chains are provided, and the two chains are symmetrically arranged with respect to the bisecting plane of the box body; two sealing strips are provided, and the two sealing strips are symmetrically arranged with respect to the bisecting plane of the box body; the inner ring and the outer ring of the first gear ring are both provided with teeth.

[0008] As a further solution of the present invention: there are multiple rotating rods, and the multiple rotating rods are evenly distributed about the central axis of the storage barrel, and there are multiple driven gears, worms and worm wheels, and the driven gears, worms and worm wheels all correspond to the rotating rods one by one.

[0009] As a further solution of the present invention: the first rotating shaft is rotatably connected to the bottom surface of the storage barrel, the card slot is engaged with the card strip, the central axis of the first rotating shaft is colinear with the central axis of the second rotating shaft, the screw rod is slidably engaged with the placement plate, and the placement plate limits the rotation of the screw rod.

[0010] As a further solution of the present invention: the outer ring of the rubber cloth is fixedly connected to the bottom wall of the storage barrel, the connecting block is hinged to the bottom wall of the storage barrel, and the driven gear and the worm are both rotatably connected to the bottom wall of the storage barrel.

[0011] As a further solution of the present invention: an air inlet is provided on the top surface of the vacuum chamber, an air outlet is provided on the top of the box body, a vacuum pump is installed between the air outlet and the air inlet, and a guide chamber is provided on the end surface of the air outlet, a piston is slidably sleeved in the guide chamber, one end of a push rod is fixedly connected to the side wall of the piston, a pressure block is slidably sleeved on the other end of the push rod, both sides of the pressure block are rotatably connected to fixed frames, one end of a pressure maintaining valve is installed on the inner surface of the guide chamber, the other end of the pressure maintaining valve extends out of the box body, a sealing door is hinged on the side wall of the box body, and a plug is fixedly connected to the side wall of the sealing door.

[0012] As a further solution of the present invention: the air inlet is connected to the input end of the vacuum pump, the air outlet is connected to the output end of the vacuum pump, the pressure maintaining valve is away from the vacuum pump, the plug is slidably connected to the cavity, and the fixing frame is fixedly connected to the side wall of the box.

[0013] As a further solution of the present invention: the bottom end of the pressing block presses the side wall of the sealing door, and a spring is fixedly connected between the pressing block and the side wall of the box body.

[0014] Adopting the above technical solution: Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The present invention drives the first gear ring to rotate by the driving gear, so that the driven gear meshing with the first gear ring rotates, so that the worm on the driven gear drives the worm wheel to rotate, so that the worm wheel drives the rotating rod thereon to rotate, so that the rotating rod gradually disperses outward, and then the rotating rod stretches the central hole of the rubber cloth, so that the central opening of the rubber cloth gradually expands, so as to achieve the purpose of gradually expanding the discharge hole of the storage barrel. When the transmission shaft stops rotating, the expansion of the discharge hole of the storage barrel stops, so that the diameter of the discharge hole of the storage barrel can be adjusted independently according to the caliber of the packaging bag, so that when the packaging bag carries seafood, the seafood is not easy to slide out of the packaging bag, and at the same time, the discharge hole can be expanded to the maximum extent, so that the packaging carrying seafood can achieve the maximum efficiency, which indirectly shortens the vacuum packaging cycle.

[0016] 2. The present invention drives the chain on the bracket to rotate by the motor, so that the sealing strip on the chain and the placement plate are translated until the sealing strip is inserted into the cavity and the placement plate is inserted into the vacuum chamber. At this time, the packaging bag and the seafood are also located in the vacuum chamber. Then the sealing door is manually reversed to make the sealing door close to the box body, and the plug is inserted into the cavity so that the plug squeezes the end face of the sealing strip to achieve the purpose of preliminarily sealing the vacuum chamber. Then the vacuum machine is started to extract the air in the vacuum chamber through the air inlet and guide the air into the air outlet. Finally, the air flows into the guide chamber from the air outlet, so that the pressure in the guide chamber increases, so that the piston in the guide chamber pushes the push rod to translate. The push rod pushes the top of the pressing block, and then the pressing block rotates on the fixed frame, so that the bottom end of the pressing block squeezes the sealing door, ensuring that the sealing door is fully and tightly attached to the box body, thereby fully ensuring the sealing of the vacuum chamber, so that the air in the packaging bag can be completely extracted during vacuum packaging, ensuring the quality of vacuum packaging, and then ensuring the storage of seafood; when there is too much air in the guide chamber, causing the piston to pass through the pressure-maintaining valve, the pressure-maintaining valve discharges the air in the guide chamber, causing the air pressure in the guide chamber to drop, so that the piston is reset under the rebound of the spring, ensuring that the maximum air pressure in the guide chamber is constant, ensuring the continuous vacuuming, and the sealing of the vacuum chamber can be autonomously enhanced while vacuuming.

[0017] 3. The present invention drives the active roller to rotate through the transmission shaft on the motor, so that the crawler track on the active roller drives the driven roller to rotate, so that the first rotating shaft on the driven roller drives the ring on the card slot to rotate through the clamping strip, and then the bottom end of the ring drives the second rotating shaft to rotate, so that the transmission gear on the second rotating shaft drives the second gear ring to rotate, so that the helical gear meshing with the second gear ring rotates, and the helical gear is meshed and sleeved with the lead screw, so that the lead screw translates under the rotation of the helical gear, so that the clamp on the lead screw translates, so that the clamp opens the opening of the packaging bag, and when the opening of the packaging bag is expanded to the maximum, the clamp cannot continue to translate, so that the transmission shaft cannot continue to rotate, so as to achieve the purpose of autonomously opening the packaging bag, thereby facilitating the subsequent autonomous bag filling of seafood, reducing the labor intensity of employees, and thus reducing packaging costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a vacuum packaging device for seafood storage according to the present invention;

[0019] Figure 2 A bottom view of the storage barrel structure in an embodiment of the present invention;

[0020] Figure 3 A half-section diagram of the rubber cloth structure in an embodiment of the present invention;

[0021] Figure 4 In the embodiment of the present invention Figure 3 A magnified view of the structure of part A;

[0022] Figure 5 In the embodiment of the present invention Figure 3 A magnified view of the structure of part B;

[0023] Figure 6 A half-section diagram of the sleeve ring structure in an embodiment of the present invention;

[0024] Figure 7 A half-section diagram of the box structure in an embodiment of the present invention;

[0025] Figure 8 In the embodiment of the present invention Figure 7 A magnified view of the structure of part C in the middle;

[0026] Fig. 9 It is a top cross-sectional view of the placement plate structure in an embodiment of the present invention.

[0027] In the figure: 1, storage barrel; 2, box; 3, chain; 4, bracket; 5, motor; 6, sealing strip; 7, placement plate; 8, motor; 9, transmission shaft; 10, driving gear; 11, first gear ring; 12, driven gear; 13, worm; 14, worm wheel; 15, connecting block; 16, rotating rod; 17, rubber cloth; 18, driving roller; 19, crawler; 20, driven roller; 21, first rotating shaft; 22, sleeve ring; 23, second rotating shaft; 24, clamping strip; 25, clamping groove; 26, transmission gear; 27, second gear ring; 28, bevel gear; 29, screw rod; 30, fixture; 31, vacuum chamber; 32, cavity; 33, vacuum pump; 34, air inlet; 35, air outlet; 36, guide chamber; 37, piston; 38, push rod; 39, pressure maintaining valve; 40, pressure block; 41, fixing bracket; 42, sealing door; 43, plug. DETAILED DESCRIPTION

[0028] The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0029] Example 1: Please refer to Figure 1-Figure 4 and Figure 6 The present invention provides a technical solution: a vacuum packaging device for seafood storage, comprising a storage barrel 1, a box body 2 is fixedly connected to the outer surface of the storage barrel 1, a vacuum chamber 31 is opened on the side wall of the box body 2, and cavities 32 are opened on both sides of the vacuum chamber 31, one end of a chain 3 is rotatably sleeved in the cavity 32, and a bracket 4 is rotatably sleeved on the other end of the chain 3, a motor 5 is installed on the side wall of the bracket 4, a sealing strip 6 is fixedly connected to the side wall of the chain 3, and a placement plate 7 is fixedly connected between the sealing strips 6, and a bottom wall of the storage barrel 1 is installed A motor 8 is provided, a transmission shaft 9 is fixedly connected to the output end of the motor 8, a driving gear 10 is fixedly sleeved on the outer surface of the transmission shaft 9, a first gear ring 11 is meshedly connected to the outer surface of the driving gear 10, a driven gear 12 is meshedly connected to the inner surface of the first gear ring 11, a worm 13 is fixedly connected to the central axis of the driven gear 12, a worm wheel 14 is meshedly connected to the outer surface of the worm 13, a connecting block 15 is fixedly connected to the end surface of the worm wheel 14, a rotating rod 16 is fixedly connected to the side wall of the connecting block 15, and a rubber cloth 17 is fixedly connected to the side wall of the rotating rod 16.

[0030] See also Figure 2 and Figure 6 Two chains 3 are provided, and the two chains 3 are symmetrically arranged with respect to the bisecting plane of the box body 2. Two sealing strips 6 are provided, and the two sealing strips 6 are symmetrically arranged with respect to the bisecting plane of the box body 2. The inner ring and the outer ring of the first gear ring 11 are both provided with teeth.

[0031] See also Figure 2 and Figure 3 There are multiple rotating rods 16, and the multiple rotating rods 16 are evenly distributed about the central axis of the storage barrel 1. There are multiple driven gears 12, worms 13 and worm wheels 14, and the driven gears 12, worms 13 and worm wheels 14 all correspond to the rotating rods 16 one by one.

[0032] See also Figure 2 The outer ring of the rubber cloth 17 is fixedly connected to the bottom wall of the storage barrel 1 , the connecting block 15 is hinged to the bottom wall of the storage barrel 1 , and the driven gear 12 and the worm 13 are both rotatably connected to the bottom wall of the storage barrel 1 .

[0033] Specifically, in the process of autonomously adjusting the discharge hole, the rotation of the transmission shaft 9 will cause the driving gear 10 thereon to drive the first gear ring 11 to rotate, so that the driven gear 12 meshing with the first gear ring 11 rotates, so that the worm 13 on the driven gear 12 drives the worm wheel 14 to rotate, so that the worm wheel 14 drives the rotating rod 16 thereon to rotate, so that the rotating rod 16 gradually disperses outward, and then the rotating rod 16 stretches the center hole of the rubber cloth 17, so that the center opening of the rubber cloth 17 gradually expands, so as to achieve the purpose of gradually expanding the discharge hole of the storage barrel 1. When the transmission shaft 9 stops rotating, the expansion of the discharge hole of the storage barrel 1 stops, so that the diameter of the discharge hole of the storage barrel 1 can be autonomously adjusted according to the caliber of the packaging bag, so that when the packaging bag carries seafood, the seafood is not easy to slip out of the packaging bag, and at the same time, the discharge hole can be expanded to the maximum extent, so that the packaging carrying seafood can achieve maximum efficiency, thereby indirectly shortening the vacuum packaging cycle.

[0034] Example 2: Please refer to Figure 3 , Figure 5 , Figure 7 and Figure 8 The present invention provides a technical solution: a vacuum packaging device for seafood storage, wherein an air inlet 34 is provided on the top surface of a vacuum chamber 31, an air outlet 35 is provided on the top of a box body 2, a vacuum pump 33 is installed between the air outlet 35 and the air inlet 34, and a guide chamber 36 is provided on the end surface of the air outlet 35, a piston 37 is slidably sleeved in the guide chamber 36, one end of a push rod 38 is fixedly connected to the side wall of the piston 37, a pressure block 40 is slidably sleeved on the other end of the push rod 38, both sides of the pressure block 40 are rotatably connected to fixed frames 41, one end of a pressure-maintaining valve 39 is installed on the inner surface of the guide chamber 36, the other end of the pressure-maintaining valve 39 extends to the outside of the box body 2, a sealing door 42 is hinged on the side wall of the box body 2, and a plug 43 is fixedly connected to the side wall of the sealing door 42.

[0035] See also Figure 7 and Figure 8The air inlet 34 is connected to the input end of the vacuum pump 33, the air outlet 35 is connected to the output end of the vacuum pump 33, the pressure-maintaining valve 39 is away from the vacuum pump 33, the plug 43 is slidably connected to the cavity 32, and the fixing frame 41 is fixedly connected to the side wall of the box body 2.

[0036] See also Figure 8 The bottom end of the pressing block 40 presses the side wall of the sealing door 42 , and a spring is fixedly connected between the pressing block 40 and the side wall of the box body 2 .

[0037] Specifically, during the vacuuming process, the motor 5 is started, so that the motor 5 drives the chain 3 on the bracket 4 to rotate, so that the sealing strip 6 and the placement plate 7 on the chain 3 are translated until the sealing strip 6 is inserted into the cavity 32, and the placement plate 7 is inserted into the vacuuming cavity 31. At this time, the packaging bag and the seafood are also located in the vacuuming cavity 31, and then the sealing door 42 is manually reversed so that the sealing door 42 is tightly attached to the box body 2, and the plug 43 is inserted into the cavity 32, so that the plug 43 squeezes the end face of the sealing strip 6, so as to achieve the purpose of preliminarily sealing the vacuuming cavity 31, and then the vacuuming machine 33 is started, so that the vacuuming machine 33 extracts the air in the vacuuming cavity 31 through the air inlet 34, and guides the air into the air outlet 35, and finally flows into the guide cavity 36 from the air outlet 35, so that the pressure in the guide cavity 36 increases, thereby making the guide cavity 36 The piston 37 inside pushes the push rod 38 to move horizontally, so that the push rod 38 pushes the top of the pressure block 40, and then the pressure block 40 rotates on the fixing frame 41, so that the bottom end of the pressure block 40 squeezes the sealing door 42, ensuring that the sealing door 42 is fully and tightly attached to the box body 2, thereby fully ensuring the sealing of the vacuum chamber 31, so that the air in the packaging bag can be completely extracted during vacuum packaging, ensuring the quality of vacuum packaging, and then ensuring the storage of seafood. When there is too much air in the guide chamber 36, causing the piston 37 to pass through the pressure-maintaining valve 39, the pressure-maintaining valve 39 discharges the air in the guide chamber 36, so that the air pressure in the guide chamber 36 drops, and the piston 37 is reset under the rebound of the spring, ensuring that the maximum air pressure in the guide chamber 36 is constant, ensuring the continuous vacuuming, and the sealing of the vacuum chamber 31 can be autonomously enhanced while vacuuming.

[0038] Example 3: Please refer to Figure 2 , Figure 3 , Figure 6 and Fig. 9The present invention provides a technical solution: a vacuum packaging device for seafood storage, wherein a driving roller 18 is fixedly connected to the bottom surface of a transmission shaft 9, one end of a crawler 19 is slidably sleeved on the outer surface of the driving roller 18, a driven roller 20 is slidably sleeved on the other end of the crawler 19, a first rotating shaft 21 is fixedly connected to the central axis of the driven roller 20, a collar 22 is slidably sleeved on the bottom end of the first rotating shaft 21, a second rotating shaft 23 is slidably sleeved on the bottom end of the collar 22, and the first rotating shaft 21 is fixedly connected to the central axis of the driven roller 20. The outer surfaces of the second rotating shaft 23 and the first rotating shaft 21 are fixedly connected with a clamping strip 24, the inner surface of the ring 22 is provided with a clamping groove 25, the bottom surface of the second rotating shaft 23 is fixedly connected with a transmission gear 26, the outer surface of the transmission gear 26 is meshedly connected with a second gear ring 27, the top surface of the second gear ring 27 is provided with inclined meshing teeth, the inclined meshing teeth are meshed with a bevel gear 28, a screw rod 29 is meshed and sleeved on the central axis of the bevel gear 28, and a clamp 30 is fixedly connected to the end surface of the screw rod 29.

[0039] See also Figure 2 , Figure 6 and Fig. 9 The first rotating shaft 21 is rotatably connected to the bottom surface of the storage barrel 1, the card slot 25 is engaged with the card strip 24, the central axis of the first rotating shaft 21 is colinear with the central axis of the second rotating shaft 23, the screw rod 29 is slidably engaged with the placement plate 7, and the placement plate 7 limits the rotation of the screw rod 29.

[0040] Specifically, in the process of opening the packaging bag, the seafood is pre-placed into the storage barrel 1, and then the edge of the packaging bag opening is clamped on the clamp 30. At this time, the motor 8 is started, so that the motor 8 drives the active roller 18 to rotate through the transmission shaft 9, so that the crawler 19 on the active roller 18 drives the driven roller 20 to rotate, so that the first rotating shaft 21 on the driven roller 20 drives the ring 22 on the card slot 25 to rotate through the clamping strip 24, and then the bottom end of the ring 22 drives the second rotating shaft 23 to rotate, so that the transmission gear 26 on the second rotating shaft 23 drives the driven roller 20 to rotate. The second gear ring 27 is driven to rotate, so that the bevel gear 28 meshing with the second gear ring 27 rotates, and the bevel gear 28 is meshingly connected with the screw rod 29, so that the screw rod 29 translates under the rotation of the bevel gear 28, thereby making the clamp 30 on the screw rod 29 translate, so that the clamp 30 opens the opening of the packaging bag. When the opening of the packaging bag is expanded to the maximum, the clamp 30 cannot continue to translate, so that the transmission shaft 9 cannot continue to rotate, so as to achieve the purpose of autonomously opening the packaging bag, thereby facilitating the subsequent autonomous bag filling of seafood, reducing the labor intensity of employees, and thus reducing packaging costs.

[0041] The working principle and use process of the present invention are as follows: when seafood needs to be vacuum packed, the seafood is placed in the storage barrel 1 in advance, and then the edge of the opening of the packaging bag is clamped on the clamp 30, and then the motor 8 is started, so that the motor 8 drives the active roller 18 to rotate through the transmission shaft 9, so that the crawler 19 on the active roller 18 drives the driven roller 20 to rotate, so that the first rotating shaft 21 on the driven roller 20 drives the ring 22 on the card slot 25 to rotate through the card strip 24, so that the bottom end of the ring 22 The second rotating shaft 23 is driven to rotate, so that the transmission gear 26 on the second rotating shaft 23 drives the second gear ring 27 to rotate, so that the bevel gear 28 meshing with the second gear ring 27 rotates, and the bevel gear 28 is meshingly connected with the screw rod 29, so that the screw rod 29 translates under the rotation of the bevel gear 28, thereby making the clamp 30 on the screw rod 29 translate, so that the clamp 30 opens the opening of the packaging bag. When the opening of the packaging bag is expanded to the maximum, the clamp 30 cannot continue to translate, so that the transmission shaft 9 cannot continue to rotate;

[0042] While the above process is being carried out, the rotation of the transmission shaft 9 will cause the driving gear 10 thereon to drive the first gear ring 11 to rotate, so that the driven gear 12 meshing with the first gear ring 11 rotates, so that the worm 13 on the driven gear 12 drives the worm wheel 14 to rotate, so that the worm wheel 14 drives the rotating rod 16 thereon to rotate, so that the rotating rod 16 gradually disperses outward, and then the rotating rod 16 stretches the central hole of the rubber cloth 17, so that the central opening of the rubber cloth 17 gradually expands, so as to achieve the purpose of gradually expanding the discharge hole of the storage barrel 1. When the transmission shaft 9 stops rotating, the expansion of the discharge hole of the storage barrel 1 stops, so that the diameter of the discharge hole of the storage barrel 1 can be adjusted independently according to the caliber of the packaging bag, so that when the packaging bag carries seafood, the seafood is not easy to slide out of the packaging bag, and at the same time, the discharge hole can be expanded to the maximum extent, so that the packaging carrying seafood can achieve the maximum efficiency, which indirectly shortens the vacuum packaging cycle;

[0043] After the packaging bag is loaded with seafood, the motor 5 is started, so that the motor 5 drives the chain 3 on the bracket 4 to rotate, so that the sealing strip 6 and the placement plate 7 on the chain 3 are translated until the sealing strip 6 is inserted into the cavity 32 and the placement plate 7 is inserted into the vacuum chamber 31. At this time, the packaging bag and the seafood are also located in the vacuum chamber 31. The sealing door 42 is manually reversed to make the sealing door 42 close to the box body 2, and the plug 43 is inserted into the cavity 32, so that the plug 43 squeezes the end face of the sealing strip 6 to achieve the purpose of preliminarily sealing the vacuum chamber 31. The vacuum pump 33 is then started, so that the vacuum pump 33 extracts the air in the vacuum chamber 31 through the air inlet 34, and guides the air into the air outlet 35, and finally flows into the guide chamber 36 from the air outlet 35, so that the pressure in the guide chamber 36 increases, thereby causing the piston in the guide chamber 36 to The top rod 37 pushes the push rod 38 to move horizontally, so that the push rod 38 pushes the top of the pressure block 40, and then the pressure block 40 rotates on the fixing frame 41, so that the bottom end of the pressure block 40 squeezes the sealing door 42, ensuring that the sealing door 42 is fully and tightly attached to the box body 2, thereby fully ensuring the sealing of the vacuum chamber 31, so that the air in the packaging bag can be completely extracted during vacuum packaging, ensuring the quality of vacuum packaging, and then ensuring the storage of seafood. When there is too much air in the guide chamber 36, causing the piston 37 to pass through the pressure-maintaining valve 39, the pressure-maintaining valve 39 discharges the air in the guide chamber 36, so that the air pressure in the guide chamber 36 drops, and the piston 37 is reset under the rebound of the spring, ensuring that the maximum air pressure in the guide chamber 36 is constant, ensuring the continuous vacuuming, and the sealing of the vacuum chamber 31 can be autonomously enhanced while vacuuming to complete the operation.

[0044] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A vacuum packaging device for seafood storage, characterized in that: The invention comprises a material storage barrel (1), the outer surface of which is fixedly connected to a box body (2), a vacuum chamber (31) is provided on the side wall of the box body (2), cavities (32) are provided on both sides of the vacuum chamber (31), one end of a chain (3) is rotatably sleeved in the cavity (32), a bracket (4) is rotatably sleeved on the other end of the chain (3), a motor (5) is installed on the side wall of the bracket (4), a sealing strip (6) is fixedly connected to the side wall of the chain (3), a placement plate (7) is fixedly connected between the sealing strips (6), a motor (8) is installed in the bottom wall of the material storage barrel (1), and the motor (8) is A transmission shaft (9) is fixedly connected to the output end, a driving gear (10) is fixedly sleeved on the outer surface of the transmission shaft (9), a first gear ring (11) is meshingly connected to the outer surface of the driving gear (10), a driven gear (12) is meshingly connected to the inner surface of the first gear ring (11), a worm (13) is fixedly connected to the central axis of the driven gear (12), a worm (13) is meshingly connected to the outer surface of the worm (13), a worm wheel (14) is fixedly connected to the end surface of the worm wheel (14), a connecting block (15) is fixedly connected to the side wall of the connecting block (15), and a rubber cloth (17) is fixedly connected to the side wall of the rotating rod (16); A driving roller (18) is fixedly connected to the bottom surface of the transmission shaft (9); one end of a crawler belt (19) is slidably sleeved on the outer surface of the driving roller (18); a driven roller (20) is slidably sleeved on the other end of the crawler belt (19); a first rotating shaft (21) is fixedly connected to the central axis of the driven roller (20); a collar (22) is slidably sleeved on the bottom end of the first rotating shaft (21); a second rotating shaft (23) is slidably sleeved on the bottom end of the collar (22); the second rotating shaft (23) is slidably sleeved on the outer surface of the first rotating shaft (21); The surfaces are fixedly connected with a clamping strip (24), the inner surface of the sleeve ring (22) is provided with a clamping groove (25), the bottom surface of the second rotating shaft (23) is fixedly connected with a transmission gear (26), the outer surface of the transmission gear (26) is meshingly connected with a second gear ring (27), the top surface of the second gear ring (27) is provided with inclined meshing teeth, the inclined meshing teeth are meshingly connected with a helical gear (28), a screw rod (29) is meshingly sleeved on the central axis of the helical gear (28), and a clamp (30) is fixedly connected to the end surface of the screw rod (29); An air inlet (34) is provided on the top surface of the vacuum chamber (31), an air outlet (35) is provided on the top of the box body (2), a vacuum pump (33) is installed between the air outlet (35) and the air inlet (34), and a guide chamber (36) is provided on the end surface of the air outlet (35), a piston (37) is slidably sleeved in the guide chamber (36), one end of a push rod (38) is fixedly connected to the side wall of the piston (37), a pressure block (40) is slidably sleeved on the other end of the push rod (38), both sides of the pressure block (40) are rotatably connected to fixed frames (41), one end of a pressure retaining valve (39) is installed on the inner surface of the guide chamber (36), the other end of the pressure retaining valve (39) extends to the outside of the box body (2), a sealing door (42) is hingedly connected to the side wall of the box body (2), and a plug (43) is fixedly connected to the side wall of the sealing door (42).

2. The vacuum packaging device for seafood storage according to claim 1, characterized in that: Two chains (3) are provided, and the two chains (3) are symmetrically arranged with respect to a plane bisecting the box body (2); two sealing strips (6) are provided, and the two sealing strips (6) are symmetrically arranged with respect to a plane bisecting the box body (2); and the inner ring and the outer ring of the first gear ring (11) are both provided with teeth.

3. The vacuum packaging device for seafood storage according to claim 1, characterized in that: A plurality of rotating rods (16) are provided, and the plurality of rotating rods (16) are evenly distributed about the central axis of the storage barrel (1); a plurality of driven gears (12), worms (13) and worm wheels (14) are provided, and the driven gears (12), worms (13) and worm wheels (14) are in one-to-one correspondence with the rotating rods (16).

4. The vacuum packaging device for seafood storage according to claim 1, characterized in that: The first rotating shaft (21) is rotatably connected to the bottom surface of the storage barrel (1), the clamping groove (25) is engaged with the clamping strip (24), the central axis of the first rotating shaft (21) is colinear with the central axis of the second rotating shaft (23), the screw rod (29) is slidably engaged with the placement plate (7), and the placement plate (7) limits the rotation of the screw rod (29).

5. The vacuum packaging device for seafood storage according to claim 1, characterized in that: The outer ring of the rubber cloth (17) is fixedly connected to the bottom wall of the storage barrel (1), the connecting block (15) is hingedly connected to the bottom wall of the storage barrel (1), and the driven gear (12) and the worm (13) are both rotatably connected to the bottom wall of the storage barrel (1).

6. The vacuum packaging device for seafood storage according to claim 1, characterized in that: The air inlet (34) is in communication with an input end of the vacuum pump (33), the air outlet (35) is in communication with an output end of the vacuum pump (33), the pressure-maintaining valve (39) is away from the vacuum pump (33), the plug (43) is slidably sleeved with the cavity (32), and the fixing frame (41) is fixedly connected to a side wall of the box body (2).

7. The vacuum packaging device for seafood storage according to claim 1, characterized in that: The bottom end of the pressing block (40) presses the side wall of the sealing door (42), and a spring is fixedly connected between the pressing block (40) and the side wall of the box body (2).

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