Bagging device for frozen aquatic products

Abstract

The invention discloses a frozen aquatic product bag sealing device, which belongs to the technical field of frozen product bag sealing, and comprises a frame, a first motor, a speed reducer, a rotating shaft, a double-side cam heat sealing device, a bag opening cam device, a top side cam heat sealing device, a cutting cam device, a bottom side folding device and a quantitative weighing device, a packaging bag roller is arranged at the top end of the upper supporting plate, the bottom edge folding device is installed at the top end of the frame, the first motor, the speed reducer and the rotating shaft are in transmission connection and installed on the lower supporting plate, and the double-side-edge cam heat sealing device, the bag opening cam device, the top edge cam heat sealing device and the cutting cam device are installed in the frame and are in transmission connection with the rotating shaft. The output end of the quantitative weighing device is located over the bag opening cam device. The cams used for side edge heat sealing, bag opening, top edge heat sealing and cutting of the packaging bag are installed on the same rotating shaft, the installation angle between the cams is convenient to adjust, and the whole device is simple in structure and convenient to maintain.

Description

Technical Field

[0001] The invention belongs to the technical field of frozen product bag sealing, and in particular relates to a frozen aquatic product bag sealing device. Background Art

[0002] Aquatic products have high protein content and low fat content. With the improvement of living standards, people's demand for aquatic products is getting higher and higher. In order to prevent aquatic products from rotting and deteriorating, aquatic products need to be frozen to extend their shelf life. Considering that aquatic products such as shrimps cannot be eaten all at once after opening the package, in order to facilitate the storage of frozen aquatic products, a three-sided sealing bag technology solution is used to seal and package frozen aquatic products.

[0003] The existing bag sealing and packaging equipment has a complex structure, and the packaging bags are loaded, opened and sealed in sequence by setting multiple sets of connecting rods. The mechanical structure is complex and inconvenient to maintain, and the angles between the multiple cams used to drive the multiple sets of connecting rods are inconvenient to adjust. It is urgent for those skilled in the art to propose a three-dimensional bag-type three-side sealing bag device with a simple structure, high transmission efficiency, convenient maintenance, and easy adjustment of the cam installation angle, which is suitable for the assembly line production of frozen aquatic products in workshops. Summary of the invention

[0004] In view of this, the present invention provides a frozen aquatic product bag sealing device to solve the above problems.

[0005] In order to achieve the above object, the present invention adopts the following technical solution:

[0006] A frozen aquatic product bag sealing device, comprising: a frame, a first motor, a reducer, a rotating shaft, a double-side cam heat-sealing device, a bag opening cam device, a top cam heat-sealing device, a cutting cam device, a bottom edge folding device and a quantitative weighing device, the frame is provided with an upper support plate and a lower support plate, a packaging bag roller is provided on one side of the top end of the upper support plate, the bottom edge folding device is installed on the top end of the upper support plate and is located on one side of the output end of the packaging bag roller, the working end of the double-side cam heat-sealing device is located on one side of the output end of the bottom edge folding device, the double-side cam heat-sealing device, the bag opening cam device, The top cam heat sealing device and the cutting cam device are sequentially installed in the frame, the first motor and the reducer are transmission connected, and are sequentially installed on the top of the lower support plate, the rotating shaft is rotatably connected to the top of the lower support plate, one end of the rotating shaft is transmission connected to the output end of the reducer, and the rotating shaft is sequentially transmission connected to the double side cam heat sealing device, the bag opening cam device, the top cam heat sealing device and the cutting cam device; the quantitative weighing device is located on one side of the frame, and the output end of the quantitative weighing device is located directly above the bag opening cam device.

[0007] Furthermore, it also includes a first tensioning wheel device and a second tensioning wheel device, a pair of the first tensioning wheel device and the second tensioning wheel device are installed at the top end of the upper support plate, the pair of the first tensioning wheel devices are respectively located at the input end and the output end of the double-side cam heat sealing device, the second tensioning wheel device is located between the top cam heat sealing device and the cutting cam device, and the second tensioning wheel device is used to clamp the top edge of the packaging bag and drive the packaging bag to move toward the rear end.

[0008] Furthermore, the bottom edge folding device includes a folding barrel and a folding roller. The folding barrel is hoisted on the top of the upper support plate and is located on the side of the output end of the packaging bag roller, and is used to fold the packaging bag upward. A folding groove is provided at the bottom end of the folding barrel. The folding roller is rotatably connected to the top of the upper support plate. The folding roller rolls in the folding groove, and is used to fold the bottom edge of the packaging bag upward.

[0009] The cam-type double-side heat-sealing device comprises a first cam, a first sliding bracket, a first spring, a first hinge bracket and a side heat-sealing device, wherein the first cam is fixedly mounted on the rotating shaft, a first sliding column is arranged on both sides of the bottom plate of the first sliding bracket, a first sliding groove is arranged on the frame, the first sliding column vertically slides in the first sliding groove, and a plurality of the first springs are arranged between the lower support plate and the bottom plate of the first sliding bracket, a pair of second sliding columns is arranged at the top of the first sliding bracket, and only a first through hole is provided on the upper support plate, a pair of the first hinge brackets are rotatably connected to the hinge column of the first through hole, the two first hinge brackets are arranged in a scissor-type manner, a second sliding groove is provided at the bottom end of the first hinge bracket, and the second sliding column is slidably connected to the second sliding groove; a first mounting plate is provided on the top of the first hinge bracket, and a plurality of horizontal adjustment sliding grooves are arranged on both sides of the first mounting plate, and the two pairs of the side heat-sealing devices are slidably mounted in the horizontal adjustment sliding groove.

[0010] Furthermore, the bag opening cam device includes a second cam, a second sliding bracket, a second spring and a second articulated bracket, the second cam is fixedly mounted on the rotating shaft, third sliding columns are arranged on both sides of the bottom plate of the second sliding bracket, a third sliding groove is arranged on the frame, the third sliding column slides vertically in the third sliding groove, a plurality of second springs are installed between the lower support plate and the bottom plate of the second sliding bracket, a pair of fourth sliding columns are arranged at the top of the second sliding bracket, only a second through hole is provided on the upper support plate, a pair of second articulated brackets are rotatably connected to the articulated columns of the second through holes, the two second articulated brackets are arranged in a scissor-type manner, a fourth sliding groove is provided at the bottom end of the second articulated bracket, and the fourth sliding column is slidably connected to the fourth sliding groove; a second mounting plate is provided on the top of the second articulated bracket, and a waist-shaped suction cup is provided on the second mounting plate for pulling open the packaging bag and unloading the frozen product.

[0011] The cam heat-sealing device of the top edge comprises a third cam, a third sliding bracket, a third spring, a third hinge bracket and a top edge heat-sealing device, the third cam is fixedly mounted on the rotating shaft, fifth sliding posts are arranged on both sides of the bottom plate of the third sliding bracket, a fifth sliding slot is arranged on the frame, and the fifth sliding post vertically slides in the fifth sliding slot, and a plurality of the third springs are mounted between the lower support plate and the bottom plate of the third sliding bracket, and a pair of sixth sliding posts are arranged at the top of the third sliding bracket, and only a third through hole is provided on the upper support plate, a pair of the third hinge brackets are rotatably connected to the hinge column of the third through hole, and the two third hinge brackets are arranged in a scissor-fork type, a sixth sliding slot is provided at the bottom end of the third hinge bracket, and the sixth sliding post is slidably connected to the sixth sliding slot; a third mounting plate is provided on the top of the third hinge bracket, and the top edge heat-sealing device is mounted on the top of the third mounting plate, and side fixing protrusions are arranged on both sides of the third mounting plate.

[0012] Further, the cutting cam device includes a fourth cam, a fourth sliding bracket, a fourth spring, a fourth articulated bracket and a cutting knife, the fourth cam is fixedly mounted on the rotating shaft, seventh sliding columns are arranged on both sides of the bottom plate of the fourth sliding bracket, a seventh sliding groove is arranged on the frame, the seventh sliding column vertically slides in the seventh sliding groove, a plurality of the fourth springs are installed between the lower support plate and the bottom plate of the fourth sliding bracket, a pair of eighth sliding columns are arranged at the top of the fourth sliding bracket, only a fourth through hole is provided on the upper support plate, a pair of the fourth articulated brackets are both rotatably connected to the articulated columns of the fourth through holes, the two fourth articulated brackets are arranged in a scissor-type manner, the bottom end of the fourth articulated bracket is provided with an eighth sliding groove, the eighth sliding column is slidably connected to the eighth sliding groove; a fourth mounting plate is provided at the top of the fourth articulated bracket, and the cutting knife is mounted on the fourth mounting plate.

[0013] Furthermore, it also includes a conveyor belt device, the input end of which is located at the output end of the cutting cam device and is also located directly below the second tensioning wheel device.

[0014] Furthermore, the first tensioning wheel device includes a first tensioning wheel, a first gear and a second motor. A pair of the first tensioning wheels are vertically rotatably connected to the mounting bracket of the upper support plate. A pair of the first gears are fixedly mounted on the top ends of the two first tensioning wheels respectively. The two first gears are meshed with each other. The two first tensioning wheels are adjacent to each other. The second motor is mounted on the top end of the upper support plate, and the output end of the second motor is fixedly connected to the bottom end of one of the first tensioning wheels.

[0015] Furthermore, the second tensioning wheel device includes a second tensioning wheel and a third motor, a pair of second tensioning wheels are vertically rotatably connected to the mounting bracket of the upper support plate, the two second tensioning wheels are adjacent to each other, a pair of third motors are installed at the top end of the mounting bracket of the upper support plate, and the output end of the third motor is fixedly connected to the top end of the second tensioning wheel.

[0016] The beneficial effects of the present invention are:

[0017] The present invention installs a first cam for heat-sealing the side edges of the packaging bag, a second cam for opening the bag, a third cam for heat-sealing the top edge, and a fourth cam for cutting on a rotating shaft. The first motor is transmission-connected to a reducer, and the output end of the reducer is fixedly connected to the rotating shaft. The first motor drives the rotating shaft to rotate, and the rotating shaft then drives the first cam, the second cam, the third cam, and the fourth cam to rotate. The first cam, the second cam, the third cam, and the fourth cam cooperate with the first sliding bracket, the second sliding bracket, the third sliding bracket, and the fourth sliding bracket respectively. The first sliding bracket, the second sliding bracket, the third sliding bracket, and the fourth sliding bracket drive the first articulated bracket, the second articulated bracket, the third articulated bracket, and the fourth articulated bracket to regularly and rhythmically heat-seal the double sides, open the bag, heat-seal the top edge, and cut the packaging bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a frozen aquatic product bag sealing device;

[0020] Figure 2It is a front view of a bag sealing device for frozen aquatic products;

[0021] Figure 3 It is a top view of a bag sealing device for frozen aquatic products;

[0022] Figure 4 It is a three-dimensional structural diagram of a frozen aquatic product bag sealing device without a quantitative weighing device;

[0023] Figure 5 This is a front view of a frozen aquatic product bag sealing device without a quantitative weighing device;

[0024] Figure 6 It is a top view of a frozen aquatic product bag sealing device without a quantitative weighing device;

[0025] Figure 7 It is a three-dimensional structural schematic diagram of the double-side cam heat sealing device and the rotating shaft;

[0026] Figure 8 It is a three-dimensional structural schematic diagram of the bag opening cam device and the rotating shaft;

[0027] Fig. 9 It is a three-dimensional structural schematic diagram of the top cam heat sealing device and the rotating shaft;

[0028] Fig.10 It is a three-dimensional structural schematic diagram of the cutting cam device and the rotating shaft;

[0029] Fig.11 is a side view of the bottom hemming device;

[0030] Among them, in the figure:

[0031] 10-frame, 11-upper support plate, 111-first through hole, 112-second through hole, 113-third through hole, 114-fourth through hole, 12-lower support plate, 13-bag roller, 14-first slide, 15-third slide, 16-fifth slide, 17-seventh slide, 20-first motor, 30-reducer, 40-rotating shaft, 50-double side cam heat sealing device, 51-first cam, 52-first sliding bracket, 521-first slide column, 52 2-second slide column, 53-first spring, 54-first hinge bracket, 541-second slide groove, 542-first mounting plate, 5421-horizontal adjustment slide groove, 55-side heat sealing device, 60-bag opening cam device, 61-second cam, 62-second sliding bracket, 621-third slide column, 622-fourth slide column, 63-second spring, 64-second hinge bracket, 641-fourth slide groove, 642-second mounting plate, 6421-waisted round suction cup, 70- Top edge cam heat sealing device, 71-third cam, 72-third sliding bracket, 721-fifth sliding column, 722-sixth sliding column, 73-third spring, 74-third hinge bracket, 741-sixth sliding groove, 742-third mounting plate, 7421-side fixing protrusion, 75-top edge heat sealing device, 80-cutting cam device, 81-fourth cam, 82-fourth sliding bracket, 821-seventh sliding column, 822-eighth sliding column, 83-fourth spring, 84-fourth Articulated bracket, 841-eighth slide groove, 842-fourth mounting plate, 85-cutting knife, 90-bottom edge folding device, 91-folding barrel, 911-folding groove, 92-folding roller, 100-first tensioning wheel device, 1001-first tensioning wheel, 1002-first gear, 1003-second motor, 110-second tensioning wheel device, 1101-second tensioning wheel, 1102-third motor, 120-conveyor belt device, 130-quantitative weighing device. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See attached Figure 1-11As shown, the present invention provides a frozen aquatic product bag sealing device, comprising: a frame 10, a first motor 20, a reducer 30, a rotating shaft 40, a double-side cam heat-sealing device 50, a bag opening cam device 60, a top cam heat-sealing device 70, a cutting cam device 80, a bottom edge folding device 90 and a quantitative weighing device 130, the frame 10 is provided with an upper support plate 11 and a lower support plate 12, a packaging bag roller 13 is provided on one side of the top end of the upper support plate 11, the bottom edge folding device 90 is installed on the top end of the upper support plate 11, and is located on one side of the output end of the packaging bag roller 13, the working end of the double-side cam heat-sealing device 50 is located on one side of the output end of the bottom edge folding device 90, and the double-side The cam heat sealing device 50, the bag opening cam device 60, the top edge cam heat sealing device 70 and the cutting cam device 80 are sequentially installed in the frame 10, the first motor 20 and the reducer 30 are transmission connected, and are sequentially installed on the top of the lower support plate 12, and the rotating shaft 40 is rotatably connected to the top of the lower support plate 12; one end of the rotating shaft 40 is transmission connected to the output end of the reducer 30, and the rotating shaft 40 is transmission connected to the double side cam heat sealing device 50, the bag opening cam device 60, the top edge cam heat sealing device 70 and the cutting cam device 80 in sequence; the quantitative weighing device 130 is located on one side of the frame 10, and the output end of the quantitative weighing device 130 is located directly above the bag opening cam device 60.

[0034] When in use, the packaging bag raw material is placed on the packaging bag roller 13, and the packaging bag is passed through the bottom edge folding device 90 to fold the bottom edge, so that the packaging bag can be self-standing after the double-side edges are heat-sealed, which is convenient for later use; under the drive of the motor and the reducer 30, the rotating shaft 40 simultaneously drives the double-side cam heat-sealing device 50, the bag opening cam device 60, the top edge cam heat-sealing device 70 and the cutting cam device 80, so that the packaging bag after the bottom edge folding passes through the double-side cam heat-sealing device 50 in turn for double-side heat-sealing, the bag opening cam device 60 opens the packaging bag after double-side heat-sealing, the frozen product is automatically quantitatively weighed from the quantitative weighing device 130, and then falls into the packaging bag with the bag opening opened by the bag opening cam device 60 below, the top edge cam heat-sealing device 70 heat-seals the top edge of the packaging bag, and the cutting cam device 80 cuts the packaging bag containing the frozen aquatic products into separate self-standing three-sided packaging bags in turn.

[0035] In a preferred embodiment, a frozen aquatic product bag sealing device further includes a first tension wheel device 100 and a second tension wheel device 110. A pair of first tension wheel devices 100 and a second tension wheel device 110 are installed at the top of the upper support plate 11. The pair of first tension wheel devices 100 are respectively located at the input end and the output end of the double-side cam heat sealing device 50. The second tension wheel device 110 is located between the top cam heat sealing device 70 and the cutting cam device 80. The second tension wheel device 110 is used to clamp the top edge of the packaging bag and drive the packaging bag to move toward the rear end. The pair of first tension wheel devices 100 straightens the packaging bag after the bottom edge is folded at the front and rear sections of the double-side cam heat sealing device 50, which is helpful for the heat forming of the double-side cam heat sealing device. The second tensioning wheel device 110 clamps the top edge of the packaging bag between the top edge heat sealing device 70 and the cutting cam device 80 to prevent the packaging bag from falling and conveys the packaging bag with the top edge sealed but not cut backward and enters the cutting cam device 80 to be cut into separate self-supporting three-sided packaging bags.

[0036] In a preferred embodiment, the bottom edge folding device 90 includes a folding barrel 91 and a folding roller 92. The folding barrel 91 is hoisted on the top of the upper support plate 11, and the front and rear ends are spherical and cannot scratch the packaging bag. The folding barrel 91 is located on the output end of the packaging bag roller 13 and is used to fold the packaging bag upward. A folding groove 911 is provided at the bottom end of the folding barrel 91, and the folding roller 92 is rotatably connected to the top of the upper support plate 11. The folding roller 92 rolls in the folding groove 911 to fold the bottom edge of the packaging bag upward.

[0037] In a preferred embodiment, the double-side cam heat-sealing device 50 includes a first cam 51, a first sliding bracket 52, a first spring 53, a first hinged bracket 54 and a side heat-sealing device 55. The first cam 51 is fixedly mounted on the rotating shaft 40. First slide posts 521 are arranged on both sides of the bottom plate of the first sliding bracket 52. A first slide groove 14 is arranged on the frame 10. The first slide post 521 slides vertically in the first slide groove 14. A plurality of first springs 53 are installed between the lower support plate 12 and the bottom plate of the first sliding bracket 52. A pair of first springs 53 are arranged at the top of the first sliding bracket 52. There are two sliding columns 522, and only the first through hole 111 is provided on the upper support plate 11. A pair of first articulated brackets 54 are both rotatably connected to the articulated columns of the first through hole 111. The two first articulated brackets 54 are arranged in a scissor-like manner. A second slide groove 541 is provided at the bottom end of the first articulated bracket 54, and the second sliding column 522 is slidably connected to the second slide groove 541; a first mounting plate 542 is provided at the top end of the first articulated bracket 54, and a plurality of horizontal adjustment slide grooves 5421 are provided on both sides of the first mounting plate 542, and two pairs of side heat sealing devices 55 are both slidably installed in the horizontal adjustment slide grooves 5421. The rotating shaft 40 drives the first cam 51 to rotate. When the first cam 51 rotates to the lowest end, the first sliding bracket 52 is pressed downward and the first spring 53 is compressed. The first sliding column 521 slides vertically in the first slide groove 14, and the second sliding column 522 slides downward at the same time. The vertical movement of the second sliding column 522 in the second slide groove 541 drives the first hinge bracket 54 to rotate in a scissor-like manner, so that the two first mounting plates 542 move toward each other until the two side heat-sealing devices 55 heat-seal the packaging bag to form a double-sided heat-sealing. The side heat-sealing device 55 slides in the horizontal adjustment slide groove 5421 to adjust the width of the packaging bag.

[0038] In a preferred embodiment, the bag opening cam device 60 includes a second cam 61, a second sliding bracket 62, a second spring 63 and a second hinged bracket 64. The second cam 61 is fixedly mounted on the rotating shaft 40. Third slide posts 621 are arranged on both sides of the bottom plate of the second sliding bracket 62. A third slide groove is arranged on the frame 10. The third slide post 621 slides vertically in the third slide groove. A plurality of second springs 63 are arranged between the lower support plate 12 and the bottom plate of the second sliding bracket 62. A pair of fourth slide posts 622 are arranged at the top of the second sliding bracket 62. The upper support plate Only the second through hole 112 is provided on the packaging bag 11, and a pair of second hinged brackets 64 are both rotatably connected to the hinged columns of the second through hole 112. The two second hinged brackets 64 are arranged in a scissor-fork manner, and a fourth slide groove 641 is provided at the bottom end of the second hinged bracket 64, and the fourth slide column 622 is slidably connected to the fourth slide groove 641; a second mounting plate 642 is provided at the top end of the second hinged bracket 64, and a waist-shaped suction cup 6421 is provided on the second mounting plate 642, which is used to open the bag mouth of the packaging bag and unload the frozen product after quantitative weighing from the quantitative weighing device 130. Like the movement form of the double-side cam heat sealing device 50, the rotating shaft 40 rotates the second cam 61 to realize the scissor-fork movement of the second hinged bracket 64, and then the waist-shaped suction cup 6421 opens the packaging bag after the double-side edge sealing, and then the weighed frozen aquatic product is loaded into the packaging bag.

[0039] In a preferred embodiment, the top edge cam heat sealing device 70 includes a third cam 71, a third sliding bracket 72, a third spring 73, a third hinged bracket 74 and a top edge heat sealing device 75. The third cam 71 is fixedly mounted on the rotating shaft 40. Fifth slide posts 721 are arranged on both sides of the bottom plate of the third sliding bracket 72. A fifth slide groove 16 is arranged on the frame 10. The fifth slide post 721 slides vertically in the fifth slide groove 16. A plurality of third springs 73 are installed between the lower support plate 12 and the bottom plate of the third sliding bracket 72. A third hinged bracket 74 is arranged at the top of the third sliding bracket 72. For the sixth slide post 722, only the third through hole 113 is provided on the upper support plate 11, and a pair of third hinge brackets 74 are both rotatably connected to the hinge posts of the third through hole 113, and the two third hinge brackets 74 are arranged in a scissor-fork manner, and a sixth slide groove 741 is provided at the bottom end of the third hinge bracket 74, and the sixth slide post 722 is slidably connected to the sixth slide groove 741; a third mounting plate 742 is provided at the top end of the third hinge bracket 74, and a top edge heat sealing device 75 is installed at the top end of the third mounting plate 742, and side fixing protrusions 7421 are provided on both sides of the third mounting plate 742. The rotating shaft 40 rotates the third cam 71 to rotate, so that the third hinge bracket 74 forms a scissor-fork movement, and then the top edge heat sealing device 75 seals the top edge of the packaging bag filled with frozen aquatic products, and the side fixing blocks 7421 on both sides fix the two sides.

[0040] In a preferred embodiment, the cutting cam device 80 includes a fourth cam 81, a fourth sliding bracket 82, a fourth spring 83, a fourth hinged bracket 84 and a cutting knife 85. The fourth cam 81 is fixedly mounted on the rotating shaft 40. Seventh slide posts 821 are arranged on both sides of the bottom plate of the fourth sliding bracket 82. A seventh slide groove is arranged on the frame 10. The seventh slide post 821 slides vertically in the seventh slide groove. A plurality of fourth springs 83 are installed between the lower support plate 12 and the bottom plate of the fourth sliding bracket 82. A pair of eighth slide posts 822 are arranged at the top of the fourth sliding bracket 82. Only a fourth through hole 114 is provided on the upper support plate 11. A pair of fourth hinged brackets 84 are both rotatably connected to the hinge posts of the fourth through hole 114. The two fourth hinged brackets 84 are arranged in a scissor-type manner. An eighth slide groove 841 is arranged at the bottom end of the fourth hinged bracket 84. The eighth slide post 822 is slidably connected to the eighth slide groove 841. A fourth mounting plate 842 is arranged at the top of the fourth hinged bracket 84, and the cutting knife 85 is mounted on the fourth mounting plate 842. The rotating shaft 40 rotates the fourth cam 81 to rotate, so that the fourth hinged bracket 84 forms a scissor-like movement, and then the cutting knife 85 cuts the edge-sealed packaging bag into independent three-edge-sealed packaging bags.

[0041] In a preferred embodiment, a frozen aquatic product bag sealing device further comprises a conveyor belt device 120, the input end of which is located at the output end of the cutting cam device 80 and is located directly below the second tensioning wheel device 110. The left side of the conveyor bag device 120 timely supports the packaging bag after the top edge is heat-sealed to prevent it from falling, and the cutting knife 85 cuts the packaging bag independently.

[0042] In a preferred embodiment, the first tensioning wheel device 100 includes a first tensioning wheel 1001, a first gear 1002 and a second motor 1003. A pair of first tensioning wheels 1001 are vertically rotatably connected to a mounting bracket of an upper support plate 11. A pair of first gears 1002 are fixedly mounted on the top ends of the two first tensioning wheels 1001 respectively. The two first gears 1002 are meshed with each other. The two first tensioning wheels 1001 are adjacent to each other. The second motor 1003 is mounted on the top end of the upper support plate 11. The output end of the second motor 1003 is fixedly connected to the bottom end of one of the first tensioning wheels 1001.

[0043] In a preferred embodiment, the second tensioning wheel device 110 includes a second tensioning wheel 1101 and a third motor 1102, a pair of second tensioning wheels 1101 are vertically rotatably connected to the mounting bracket of the upper support plate 11, the two second tensioning wheels 1101 are adjacent to each other, a pair of third motors 1102 are installed at the top of the mounting bracket of the upper support plate 11, and the output end of the third motor 1102 is fixedly connected to the top of the second tensioning wheel 1101.

[0044] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0045] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest range consistent with the principles and novel features disclosed herein.

Claims

1. A frozen aquatic product bag sealing device, characterized in that: include: A frame (10), a first motor (20), a speed reducer (30), a rotating shaft (40), a double-side cam heat-sealing device (50), a bag opening cam device (60), a top cam heat-sealing device (70), a cutting cam device (80), a bottom edge folding device (90) and a quantitative weighing device (130); the frame (10) is provided with an upper support plate (11) and a lower support plate (12); a packaging bag roller (13) is provided on one side of the top end of the upper support plate (11); the bottom edge folding device (90) is installed on the top end of the upper support plate (11) and is located on one side of the output end of the packaging bag roller (13); a working end of the double-side cam heat-sealing device (50) is located on one side of the output end of the bottom edge folding device (90); the double-side cam heat-sealing device (50), the bag opening cam device (60), the The top cam heat sealing device (70) and the cutting cam device (80) are sequentially installed in the frame (10); the first motor (20) and the reducer (30) are transmission-connected and sequentially installed at the top end of the lower support plate (12); the rotating shaft (40) is rotationally connected to the top end of the lower support plate (12); one end of the rotating shaft (40) is transmission-connected to the output end of the reducer (30); the rotating shaft (40) is transmission-connected to the double-side cam heat sealing device (50), the bag opening cam device (60), the top cam heat sealing device (70) and the cutting cam device (80) in sequence; the quantitative weighing device (130) is located on one side of the frame (10), and the output end of the quantitative weighing device (130) is located directly above the bag opening cam device (60).

2. A frozen aquatic product bag sealing device according to claim 1, characterized in that: It also includes a first tensioning wheel device (100) and a second tensioning wheel device (110), wherein a pair of the first tensioning wheel devices (100) and the second tensioning wheel devices (110) are installed at the top end of the upper support plate (11), and the pair of the first tensioning wheel devices (100) are respectively located at the input end and the output end of the double-side cam heat sealing device (50), and the second tensioning wheel device (110) is located between the top cam heat sealing device (70) and the cutting cam device (80), and the second tensioning wheel device (110) is used to clamp the top edge of the packaging bag and drive the packaging bag to move toward the rear end.

3. A frozen aquatic product bag sealing device according to claim 1, characterized in that: The bottom edge folding device (90) comprises a folding barrel (91) and a folding roller (92); the folding barrel (91) is hoisted at the top end of the upper support plate (11) and is located on one side of the output end of the packaging bag roller (13), and is used to fold the packaging bag upward; a folding groove (911) is provided at the bottom end of the folding barrel (91); the folding roller (92) is rotatably connected to the top end of the upper support plate (11); the folding roller (92) rolls in the folding groove (911), and is used to fold the bottom edge of the packaging bag upward.

4. A frozen aquatic product bag sealing device according to claim 1, characterized in that: The double-side cam heat-sealing device (50) comprises a first cam (51), a first sliding bracket (52), a first spring (53), a first hinged bracket (54) and a side heat-sealing device (55), wherein the first cam (51) is fixedly mounted on the rotating shaft (40), first sliding columns (521) are arranged on both sides of the bottom plate of the first sliding bracket (52), a first sliding groove (14) is arranged on the frame (10), and the first sliding column (521) slides vertically in the first sliding groove (14), a plurality of the first springs (53) are mounted between the lower support plate (12) and the bottom plate of the first sliding bracket (52), and a pair of second sliding columns ( 522), only a first through hole (111) is provided on the upper support plate (11), a pair of the first hinged brackets (54) are both rotatably connected to the hinge columns of the first through holes (111), the two first hinged brackets (54) are arranged in a scissor-like manner, a second slide groove (541) is provided at the bottom end of the first hinged bracket (54), and the second slide column (522) is slidably connected to the second slide groove (541); a first mounting plate (542) is provided at the top end of the first hinged bracket (54), and a plurality of horizontal adjustment slide grooves (5421) are provided on both sides of the first mounting plate (542), and the two pairs of the side heat sealing devices (55) are both slidably installed in the horizontal adjustment slide grooves (5421).

5. A frozen aquatic product bag sealing device according to claim 1, characterized in that: The bag opening cam device (60) comprises a second cam (61), a second sliding bracket (62), a second spring (63) and a second hinged bracket (64); the second cam (61) is fixedly mounted on the rotating shaft (40); third slide posts (621) are arranged on both sides of the bottom plate of the second sliding bracket (62); a third slide groove (15) is arranged on the frame (10); the third slide post (621) slides vertically in the third slide groove (15); a plurality of second springs (63) are mounted between the lower support plate (12) and the bottom plate of the second sliding bracket (62); a third slide post (621) is arranged on the top of the second sliding bracket (62); A pair of fourth sliding columns (622), the upper support plate (11) has only a second through hole (112), a pair of the second hinged brackets (64) are rotatably connected to the hinged columns of the second through hole (112), the two second hinged brackets (64) are arranged in a scissor-like manner, the bottom end of the second hinged bracket (64) is provided with a fourth slide groove (641), the fourth sliding column (622) is slidably connected to the fourth slide groove (641); the top end of the second hinged bracket (64) is provided with a second mounting plate (642), the second mounting plate (642) is provided with a waist-shaped circular suction cup (6421) for pulling open the packaging bag and unloading the frozen product.

6. A frozen aquatic product bag sealing device according to claim 1, characterized in that: The top edge cam heat sealing device (70) comprises a third cam (71), a third sliding bracket (72), a third spring (73), a third hinged bracket (74) and a top edge heat sealing device (75), wherein the third cam (71) is fixedly mounted on the rotating shaft (40), fifth slide posts (721) are arranged on both sides of the bottom plate of the third sliding bracket (72), a fifth slide groove (16) is arranged on the frame (10), and the fifth slide post (721) slides vertically in the fifth slide groove (16), a plurality of third springs (73) are mounted between the lower support plate (12) and the bottom plate of the third sliding bracket (72), and a pair of third hinged brackets (74) are arranged at the top of the third sliding bracket (72). Six sliding columns (722), only a third through hole (113) is provided on the upper support plate (11), a pair of the third hinged brackets (74) are rotatably connected to the hinged columns of the third through hole (113), the two third hinged brackets (74) are arranged in a scissor-fork manner, a sixth slide groove (741) is provided at the bottom end of the third hinged bracket (74), and the sixth sliding column (722) is slidably connected to the sixth slide groove (741); a third mounting plate (742) is provided at the top end of the third hinged bracket (74), the top edge heat sealing device (75) is installed at the top end of the third mounting plate (742), and side fixing protrusions (7421) are provided on both sides of the third mounting plate (742).

7. A frozen aquatic product bag sealing device according to claim 1, characterized in that: The cutting cam device (80) comprises a fourth cam (81), a fourth sliding bracket (82), a fourth spring (83), a fourth hinged bracket (84) and a cutting knife (85); the fourth cam (81) is fixedly mounted on the rotating shaft (40); seventh slide posts (821) are arranged on both sides of the bottom plate of the fourth sliding bracket (82); a seventh slide groove (17) is arranged on the frame (10); the seventh slide post (821) slides vertically in the seventh slide groove (17); a plurality of fourth springs (83) are mounted between the lower support plate (12) and the bottom plate of the fourth sliding bracket (82); A pair of eighth sliding columns (822) are arranged at the top of the bracket (82), and only a fourth through hole (114) is opened on the upper support plate (11). A pair of the fourth hinged brackets (84) are rotatably connected to the hinge columns of the fourth through hole (114). The two fourth hinged brackets (84) are arranged in a scissor-type manner. An eighth sliding groove (841) is arranged at the bottom end of the fourth hinged bracket (84), and the eighth sliding column (822) is slidably connected to the eighth sliding groove (841); a fourth mounting plate (842) is arranged at the top of the fourth hinged bracket (84), and the cutting knife (85) is mounted on the fourth mounting plate (842).

8. A frozen aquatic product bag sealing device according to claim 2, characterized in that: It also comprises a conveyor belt device (120), wherein the input end of the conveyor belt device (120) is located at the output end of the cutting cam device (80) and is also located directly below the second tensioning wheel device (110).

9. A frozen aquatic product bag sealing device according to claim 2, characterized in that: The first tensioning wheel device (100) comprises a first tensioning wheel (1001), a first gear (1002) and a second motor (1003); a pair of the first tensioning wheels (1001) are vertically rotatably connected to a mounting bracket of the upper support plate (11); a pair of the first gears (1002) are respectively fixedly mounted on the top ends of the two first tensioning wheels (1001); the two first gears (1002) are meshed with each other; the two first tensioning wheels (1001) are adjacent to each other; the second motor (1003) is mounted on the top end of the upper support plate (11); and the output end of the second motor (1003) is fixedly connected to the bottom end of one of the first tensioning wheels (1001).

10. A frozen aquatic product bag sealing device according to claim 2, characterized in that: The second tensioning wheel device (110) comprises a second tensioning wheel (1101) and a third motor (1102); a pair of the second tensioning wheels (1101) are vertically rotatably connected to a mounting bracket of the upper support plate (11); the two second tensioning wheels (1101) are adjacent to each other; a pair of the third motors (1102) are mounted on the top of the mounting bracket of the upper support plate (11); and the output end of the third motor (1102) is fixedly connected to the top of the second tensioning wheel (1101).

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