A vacuum large packaging machine

Abstract

This invention discloses a vacuum large packaging machine, comprising a frame, within which are assembled a conveyor assembly, a bag-passing clamp assembly, a sealing assembly, a filling and weighing assembly, and a bag-box assembly. The conveyor assembly is mounted on one side of the frame, the bag-passing clamp assembly is located above the conveyor assembly, the sealing assembly is parallel to the bag-passing clamp assembly, the filling and weighing assembly is located on the other side of the frame, and the bag-box assembly is positioned in front of the filling and weighing assembly. A control panel is provided on one side of the frame, and the control panel is signal-connected to the conveyor assembly, the bag-passing clamp assembly, the sealing assembly, the filling and weighing assembly, and the bag-box assembly. This vacuum large packaging machine is primarily designed for packaging high-viscosity, high-weight products, improving the precision of existing packaging machines of this specification on the market and increasing the efficiency of packaging machines for various material specifications. For large packaging bags, the device is simple and reliable to adjust, has good stability, and each mechanism is more reliable, more efficient, and has a longer service life, adapting to different working conditions while being safer.

Description

Technical Field

[0001] This invention belongs to the field of filling technology, specifically a vacuum large packaging machine. Background Technology

[0002] In the fields of sauce processing, filling is a very common step. Existing filling equipment requires manual labor to introduce the sauce into the filling equipment. This manual method is labor-intensive and makes it difficult to control the amount of sauce introduced into the filling equipment.

[0003] Chinese utility model patent CN217496593U discloses an automatic feeding bagged sauce filling system. Through a pump, a first connecting pipe, and a second connecting pipe, the pump extracts sauce from the storage tank and guides it into the hopper through the second connecting pipe. A weighing scale weighs the extracted sauce. The pump feeding reduces labor intensity, and the weighing scale accurately calculates the amount of sauce fed into the hopper.

[0004] Although the aforementioned patent can achieve automatic filling of sauces, its equipment has poor integration and can only fill sauces. Subsequent weighing and packaging still require manual transfer, thus the degree of automation is not high to a certain extent. Summary of the Invention

[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0006] To address the problems existing in the background art, the present invention adopts the following technical solution.

[0007] A vacuum packaging machine includes a frame, within which are assembled a conveyor assembly, a bag-passing clamp assembly, a sealing assembly, a filling and weighing assembly, and a bag-box assembly. The conveyor assembly is mounted on one side of the frame, the bag-passing clamp assembly is located above the conveyor assembly, the sealing assembly is parallel to the bag-passing clamp assembly, the filling and weighing assembly is located on the other side of the frame, and the bag-box assembly is positioned in front of the filling and weighing assembly. A control panel is provided on one side of the frame, and the control panel is signal-connected to the conveyor assembly, the bag-passing clamp assembly, the sealing assembly, the filling and weighing assembly, and the bag-box assembly. The filling and weighing assembly includes a traveling plate, and a pair of traveling arms are hinged to the upper surface of the traveling plate. The forearm is equipped with a travel arm, the upper surface of which is fitted with a bag-fixing assembly. A filling mechanism is installed above the bag-fixing assembly, and a weighing assembly is located on one side of the filling mechanism. The filling mechanism includes a double-rod cylinder, the output end of which is equipped with a support rod, and a piston rod is mounted on the support rod. The output end of the piston rod is connected to a nozzle. After the bag-fixing assembly clamps the packaging bag, the filling mechanism fills it with sauce. The weighing assembly is located on both sides of the filling mechanism and is equipped with a pair of grippers. The grippers are located on both sides of the upper end of the packaging bag. When the packaging bag is filled, the grippers hold the packaging bag, and the weight of the packaging bag and the sauce inside acts on the weighing assembly.

[0008] Preferably, the traveling arm includes a fourth cylinder symmetrically arranged on the traveling plate. The tail of the fourth cylinder is fixed to the traveling plate by a pin seat. The output end of the fourth cylinder is pinned to a hinge plate. One end of the hinge plate is pinned to the traveling plate, and the other end of the hinge plate is pinned to the housing. The housing covers the fourth cylinder, and the other end of the housing is pinned to the pin seat. The bottom end of the traveling arm is welded to the upper surface of the housing. The traveling arm includes a first rotating assembly and a second rotating assembly arranged vertically. Both the first rotating assembly and the second rotating assembly are composed of a third cylinder, a connecting plate, and a mounting rod. The mounting rod end of the first rotating assembly is provided with a bag support plate, and the mounting rod end of the second rotating assembly is provided with an exhaust rod. The first rotating assembly and the second rotating assembly are covered by a protective shell, and the third cylinder, the connecting plate, and the mounting rod that make up the first rotating assembly and the second rotating assembly are all pinned to the inner wall of the protective shell.

[0009] Preferably, the bag securing assembly is assembled on the upper end of the protective shell. The bag securing assembly includes symmetrically arranged fork plates fixedly installed on the protective shell. A pair of first telescopic rods are centrally mounted on the upper surface of the fork plates. Each output end of the first telescopic rod is pinned to a clamping plate. The outer side of the clamping plate is connected to the upper surface of the fork plate through a pin shaft. Multiple silicone sheets are provided on the opposite side of the clamping plate. A lifting mechanism is also assembled above one of the fork plates. The lifting mechanism includes a hanging plate fixedly connected to the frame. A dual-axis cylinder is pinned to the lower end of the hanging plate. A second telescopic rod is assembled at the center of the end of the dual-axis cylinder connected to the hanging plate. The output end of the dual-axis cylinder is connected to a suction cup assembly, which consists of a metal sheet and multiple suction cups.

[0010] Preferably, the lower end of the frame is symmetrically provided with rotating shafts on both sides, and the rotating shafts are connected by chains through sprockets. The lower end of the frame is provided with a track frame for accommodating the chains, and one end of one of the rotating shafts is provided with a driver. The side of the traveling plate is welded with hinges connected to the chains, and the side of the traveling plate is also connected with multiple guide wheels through rotating shafts.

[0011] Preferably, the weighing assembly includes a slide plate fixed within a frame, a pair of sliders slidably connected to the slide plate, a second housing mounted on the front surface of the sliders, a weighing sensor built into the second housing, an input end of the weighing sensor connected to a sixth cylinder, a connecting strip symmetrically pinned to both sides of the output end of the sixth cylinder, and the center of the connecting strip pinned to the inner wall of the second housing, a gripper pinned to the end of the connecting strip, the center of the gripper also pinned to the inner wall of the second housing, and a rubber block installed at the end of the gripper; a fifth cylinder is also installed within the frame, a scissor bar symmetrically pinned to the output end of the fifth cylinder, the end of the scissor bar pinned to the lower surface of the second housing, a seventh cylinder is also connected to the output end of the fifth cylinder, and a suction cup is also installed at the output end of the seventh cylinder.

[0012] Preferably, the conveyor assembly includes oppositely arranged side plates, each side plate has an electric roller at both ends, a belt is sleeved between the electric rollers, and a liner bracket is provided between the side plates for connection. The liner bracket is parallel to the electric roller, and a belt liner is installed on the upper surface of the liner bracket. The belt liner is perpendicular to the electric roller. One end of the side plate is provided with a support leg, and the other end of the side plate is provided with a slide.

[0013] Preferably, the bag clamp assembly includes a connecting piece connected to the upper end of the frame, a slide is connected to the lower surface of the connecting piece, and a gripper is slidably connected to the lower surface of the slide.

[0014] Preferably, the gripper includes a pair of connecting plates. One connecting plate has a first cylinder mounted on one end of its upper surface. The other connecting plate is connected to the connecting plate with the first cylinder by a stud. The output end of the first cylinder is pinned to a pair of connecting short rods, and the front end of the connecting short rods is pinned to a first triangular piece. The center of the first triangular piece is pinned to the upper surface of the connecting plate. One apex of the first triangular piece is pinned to the connecting plate, and the other apex is rotatably connected to a connecting rod. A first small connecting plate and a second small connecting plate are rotatably connected to the connecting rod, and the centers of the first small connecting plate and the second small connecting plate are pinned to the connecting plate. A clamping plate is mounted on one end of the first small connecting plate and the second small connecting plate, and a chuck is mounted on one end of the clamping plate.

[0015] Preferably, the sealing assembly includes a pair of fixed plates connected together by studs. A second cylinder is installed between the pair of fixed plates. A transmission triangular plate is movably connected to the output end of the second cylinder. The center of the transmission triangular plate is connected to the pair of fixed plates by a rotating shaft. A pull shaft is pinned to the two apex corners of the bottom of the transmission triangular plate. A triangular clamping arm is pinned to the end of the pull shaft. One apex corner of the triangular clamping arm is rotatably connected to the fixed plate, and a sealing plate is fixedly connected to the other apex corner of the triangular clamping arm. A first machine cover is used to cover the pair of fixed plates.

[0016] Preferably, the bag assembly includes a tray and a bottom plate, a scissor hinge is fitted between the tray and the bottom plate, a screw is provided under the scissor hinge, a roller is connected to the lower surface of the bottom plate by a pivot, a baffle is installed at the rear end of the bottom plate, a guard plate is provided on the frame, and the guard plate is located on both sides of the tray and the bottom plate.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] (1) The vacuum large packaging machine of the present invention is mainly for packaging high-viscosity and heavy products. It improves the accuracy of existing packaging machines of this specification on the market and improves the efficiency of packaging machines for various material specifications. For large packaging bags, the device is simple and reliable to adjust, has good stability, and each mechanism is more reliable and efficient. It has a longer service life. While adapting to working conditions, it is safer, easier to clean, and the bag clamping is reliable and does not loosen. The weighing mechanism, combined with its own developed metering software, provides more accurate and stable dynamic metering.

[0019] (2) The vacuum large packaging machine of the present invention includes a conveyor assembly, a bag clamp assembly, a sealing assembly, a filling and weighing assembly, a bag and box assembly and a filling mechanism. Through the above-mentioned mechanisms, the packaging bag conveying, packaging bag unfolding, filling, weighing, sealing and feeding of the sauce packaging process are realized, realizing the multi-functional integrated design of the vacuum large packaging machine. The integrated device is usually smaller in size and occupies less space. The integrated design reduces the complex connection and operation steps between multiple independent parts, making it simpler and more intuitive to use. The integrated device can realize the collaborative work of functions and improve the overall work efficiency. The integrated design makes the device easier to integrate with other systems and facilitates future functional upgrades and expansions.

[0020] (3) The filling mechanism of the present invention can be adjusted over a wide range by using a double-rod cylinder and adjusted over a small range by using a piston rod, so as to ensure that the nozzle can be accurately inserted into the packaging bag. During filling, the bag support plate driven by the first rotating component can lift the packaging bag, thereby providing a certain support for the packaging bag. The exhaust rod driven by the second rotating component can roll slightly on the surface of the packaging bag to expel the air in the sauce. At the same time, the bag fixing component of the present invention can clamp the corner seal of the packaging bag, ensuring that the packaging bag can be extracted without affecting the filling of the packaging bag with sauce. Furthermore, two sets of suction cups are provided on the bag fixing component to suck open the packaging bag, thereby facilitating the insertion of the feed tube.

[0021] (4) The filling and weighing assembly of the present invention can move to a certain position on the frame, thereby facilitating the filling and weighing assembly to pick up the packaging bag provided by the bag box assembly. The filling and weighing assembly and the bag box assembly can use existing machinery to transfer the packaging bag. After filling is completed, the sealing assembly is used to seal the packaging bag. After sealing the packaging bag, the sealed sauce bag is transferred to the conveyor assembly through the bag clamp assembly, and then the conveyor assembly transports it outward for boxing. Integrating all the above mechanisms into one device is an efficient design strategy. It provides users with more convenient, economical and reliable products and services by comprehensively optimizing various resources and functions. Attached Figure Description

[0022] Figure 1 This is a perspective view of the packaging machine of the present invention.

[0023] Figure 2 This is a perspective view of the framework of the present invention.

[0024] Figure 3 This is a perspective view of the various assemblies of the packaging machine of the present invention.

[0025] Figure 4 This is a structural diagram of the conveyor assembly of the present invention.

[0026] Figure 5 This is a structural diagram of the bag clamp assembly of the present invention.

[0027] Figure 6 This is a structural diagram of the gripper of the present invention.

[0028] Figure 7 This is a top view of the gripper of the present invention.

[0029] Figure 8 This is a structural diagram of the sealing device assembly of the present invention.

[0030] Figure 9 This is an exploded view of the sealing device assembly of the present invention.

[0031] Figure 10 This is a plan view of the internal structure of the sealing device assembly of the present invention.

[0032] Figure 11 This is a structural diagram of the filling and weighing assembly of the present invention.

[0033] Figure 12 This is a side view of the filling and weighing assembly of the present invention.

[0034] Figure 13 This is a structural diagram of the bag-fixing assembly of the present invention.

[0035] Figure 14 This is a structural diagram of the weighing component of the present invention.

[0036] Figure 15 This is a bottom view of the weighing component of the present invention.

[0037] Figure 16 The bag box assembly of the present invention is in three dimensions. Figure 1 .

[0038] Figure 17 The bag box assembly of the present invention is in three dimensions. Figure 2 .

[0039] Figure 18 This is a structural diagram of the filling mechanism of the present invention.

[0040] Figure 19 The extraction mechanism of the present invention is three-dimensional. Figure 1 .

[0041] Figure 20 The extraction mechanism of the present invention is three-dimensional. Figure 2 .

[0042] The correspondence between the labels and component names in the attached figures is as follows:

[0043] 1. Frame; 11. Track frame; 12. Control panel;

[0044] 2. Conveyor assembly; 21. Side plate; 22. Electric roller; 23. Slide; 24. Support leg;

[0045] 3. Bag clamp assembly; 31. Connecting piece; 32. Slide table; 33. Gripper; 331. Connecting plate; 332. First cylinder; 333. Connecting short rod; 334. First triangular piece; 335. Connecting rod; 336. First small connecting plate; 337. Clamping plate; 338. Second small connecting plate; 339. Gripper;

[0046] 4. Sealing device assembly; 41. Fixing plate; 42. Second cylinder; 43. Transmission triangular plate; 44. Pull shaft; 45. Triangular clamping arm; 46. Sealing plate; 47. First machine cover;

[0047] 5. Filling and weighing assembly; 51. Walking plate; 511. Guide wheel; 52. Rotating shaft; 521. Chain; 522. Driver; 53. Walking arm; 531. First rotating assembly; 531a. Bag support plate; 532. Second rotating assembly; 532a. Exhaust rod; 533. Walking arm; 533a. Fourth cylinder; 54. Bag securing assembly; 541. Fork plate; 541a. First telescopic rod; 541b. Clamping plate 541b-1, Silicone sheet; 542, Hanging plate; 542a, Suction cup; 542c, Second telescopic rod; 542b, Fixing plate; 55, Weighing assembly; 551, Slide plate; 551a, Fifth cylinder; 551a-1, Scissor bar; 552, Slider; 553, Second cover; 553a, Sixth cylinder; 553b, Gripper; 553c, Rubber block; 553d, Weighing sensor; 554, Seventh cylinder;

[0048] 6. Bag / box assembly; 61. Pallet; 62. Base plate; 63. Screw; 64. Scissor hinge; 65. Baffle; 66. Roller; 67. Protective plate;

[0049] 7. Filling mechanism; 71. Double-rod cylinder; 72. Support rod; 73. Piston rod; 74. Nozzle;

[0050] 8. Lifting mechanism; 81. Hanging plate; 82. Second telescopic rod; 83. Dual-shaft cylinder; 84. Metal plate. Detailed Implementation

[0051] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0052] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0053] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places throughout this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that mutually excludes other embodiments. The present invention provides the following embodiments.

[0054] See Figure 1-3This is a structural diagram of the vacuum packaging machine in this embodiment. The vacuum packaging machine in this embodiment includes a frame 1. The frame 1 is equipped with a conveyor assembly 2, a bag-passing clamp assembly 3, a sealing assembly 4, a filling and weighing assembly 5, and a bag box assembly 6. The conveyor assembly 2 is installed on one side of the frame 1, the bag-passing clamp assembly 3 is located above the conveyor assembly 2, the sealing assembly 4 is parallel to the bag-passing clamp assembly 3, the filling and weighing assembly 5 is located on the other side of the frame 1, and the bag box assembly 6 is placed in front of the filling and weighing assembly 5. A control panel 12 is provided on one side of the frame 1, and the control panel 12 is aligned with the conveyor assembly 2, the bag-passing clamp assembly 3, the sealing assembly 4, and the filling and weighing assembly 5. The vacuum large packaging machine of the present invention includes a frame 1, a conveyor assembly 2, a bag clamp assembly 3, a sealing assembly 4, a filling and weighing assembly 5, a bag and box assembly 6, and a filling mechanism 7. Through the various mechanism assemblies, the packaging bag conveying, packaging bag unfolding, filling, weighing, sealing, and feeding processes of the sauce packaging process are realized, realizing the multi-functional integrated design of the vacuum large packaging machine. The integrated device is usually smaller in size and occupies less space. The integrated design reduces the complex connection and operation steps between multiple independent components, making it simpler and more intuitive to use. The integrated device can realize the coordinated work of functions and improve the overall work efficiency.

[0055] See Figure 11 and Figure 12The diagram shows the structure of the filling and weighing assembly 5. In this embodiment, the filling and weighing assembly 5 includes a traveling plate 51. A pair of traveling arms 533 are hinged to the upper surface of the traveling plate 51. Each traveling arm 533 includes a fourth cylinder 533a symmetrically arranged on the traveling plate 51. The tail of the fourth cylinder 533a is fixed to the traveling plate 51 by a pin. A hinge plate is pinned to the output end of the fourth cylinder 533a. One end of the hinge plate is pinned to the traveling plate 51, and the other end of the hinge plate is pinned to the machine housing. The housing covers the fourth cylinder 533a, and the other end of the housing is pinned to a pin seat. In this embodiment, the fourth cylinder 533a drives the hinge plate seat to rotate to a certain extent, which synchronously drives the housing to rotate synchronously in the same direction and to the same extent. Then, a traveling arm 53 is mounted on the traveling arm 533. The traveling arm 53 rotates with the housing, performing an opening and closing motion, thereby adjusting the distance between a pair of oppositely arranged traveling arms 53. The bottom end of the traveling arm 53 is welded to the upper surface of the housing. The upper arm 53 includes a first rotating assembly 531 and a second rotating assembly 532 arranged vertically. Both the first rotating assembly 531 and the second rotating assembly 532 consist of a third cylinder, a connecting piece, and a mounting rod. The mounting rod end of the first rotating assembly 531 is provided with a bag-supporting plate 531a, and the mounting rod end of the second rotating assembly 532 is provided with an exhaust rod 532a. The first rotating assembly 531 and the second rotating assembly 532 are covered by a protective shell, and the third cylinder, connecting piece, and mounting rod that make up the first rotating assembly 531 and the second rotating assembly 532 are all pinned to the inner wall of the protective shell. During filling, the bag-supporting plate 531a driven by the first rotating assembly 531 can lift the packaging bag, thus providing some support. The exhaust rod 532a driven by the second rotating assembly 532 can slightly roll on the surface of the packaging bag to expel air from the sauce. A bag-fixing assembly 54 is mounted on the upper surface of the traveling upper arm 53. (See reference...) Figure 13 The diagram shows the structure of the bag securing assembly 54. In this embodiment, the bag securing assembly 54 is assembled on the upper end of the protective shell. The bag securing assembly 54 includes symmetrically arranged fork plates 541 fixedly installed on the protective shell. A pair of first telescopic rods 541a are centrally mounted on the upper surface of the fork plates 541. Each output end of the first telescopic rods 541a is pinned to a clamping plate 541b. The outer side of the clamping plate 541b is connected to the upper surface of the fork plates 541 via a pin. The clamping plates 541b on the fork plates 541 rotate as they are pushed forward by the first telescopic rods 541a, thereby opening and closing the clamping plates 541b on the relatively arranged fork plates 541. Furthermore, to ensure a large contact area between the clamping plates 541b and the packaging bag, and to effectively clamp the packaging bag, this embodiment provides multiple silicone sheets 541b-1 on the opposite side of the clamping plates 541b. (Continue reading...) Figure 18A filling mechanism 7 is provided between the bag fixing components 54. The filling mechanism 7 is located above the bag fixing components 54. The filling mechanism 7 includes a double-rod cylinder 71. The output end of the double-rod cylinder 71 is provided with a support rod 72. A piston rod 73 is mounted on the support rod 72. The output end of the piston rod 73 is connected to a nozzle 74. After the bag fixing components 54 clamp the packaging bag, the filling mechanism 7 fills the sauce. The filling mechanism 7 in this invention is adjusted over a wide range by the double-rod cylinder 71 and adjusted over a small range by the piston rod 73, so that the nozzle 74 can be accurately inserted into the open packaging bag. The nozzle 74 is provided with a valve on its side so that an external feeder can be connected for injection. The weighing components 55 are located on both sides of the filling mechanism 7, and a pair of grippers 553b are provided on the weighing components 55. The grippers 553b are located on both sides of the upper end of the packaging bag. When the packaging bag is filled, the grippers 553b clamp the packaging bag. The weight of the packaging bag and the sauce inside it acts on the weighing components.

[0056] See Figure 11 To facilitate the gripping of packaging bags during actual operation, the filling and weighing assembly 5 is further provided with a moving mechanism, specifically: symmetrical rotating shafts 52 are provided on both sides of the lower end of the frame 1, and chains 521 are connected between the rotating shafts 52 via sprockets. One end of one of the rotating shafts 52 is provided with a driver 522; hinges are welded to the side of the walking plate 51 and connected to the chains 521. In this embodiment, the driver 522 directly drives one of the rotating shafts 52 to rotate. Since sprockets are sleeved on the rotating shafts 52, the chains 521 meshing with the sprockets rotate. The walking plate 51 is connected to the chains 521 via hinges, so the synchronous chains 521 drive the walking plate 51 to move horizontally during operation. In order to make the movement of the walking plate 51 stable, this embodiment also provides a track frame 11 at the lower end of the frame 1 to accommodate the chains 521. Multiple guide wheels 511 are also connected to the side of the walking plate 51 via rotating shafts, and the guide wheels 511 are placed in the track frame 11 for constraint.

[0057] See Figure 14 and Figure 15This is a structural diagram of the weighing component 55 in this embodiment. The weighing component 55 is installed above the bag fixing component 54. In this embodiment, the weighing component 55 includes a slide plate 551 fixed in the frame 1. A pair of sliders 552 are slidably connected to the slide plate 551. A second cover 553 is mounted on the front surface of the sliders 552. The second cover 553 houses a weighing sensor 553d. The input end of the weighing sensor 553d is connected to a sixth cylinder 553a. Connecting strips are symmetrically pinned to both sides of the output end of the sixth cylinder 553a, and the center of the connecting strip is pinned to the inner wall of the second cover 553. A gripper 553b is pinned to the end of the connecting strip, and the center of the gripper 553b is also pinned to the inner wall of the second cover 553. In this embodiment, the sixth cylinder 553a drives the gripper 553b to perform an opening and closing motion, thereby... The gripper 553b can grip the canned packaging bag. To further ensure the stability of the gripping, a rubber block 553c is installed at the end of the gripper 553b to increase the gripping area. After the gripper 553b grips the packaging bag, its gravity acts directly on the weighing sensor 553d to weigh it. To further meet the weighing needs of packaging bags of different widths, a fifth cylinder 551a is also installed in the frame 1. The output end of the fifth cylinder 551a is symmetrically pinned to a scissor bar 551a-1. The end of the scissor bar 551a-1 is pinned to the lower surface of the second cover 553. The fifth cylinder 551a drives the scissor bar 551a-1 to perform scissor motion, thereby causing the two second covers 553 to move relative to each other on the slide plate 551 via the slider 552, thus controlling the distance between them.

[0058] The weighed and packaged sauce packets are placed onto the conveyor assembly 2 via the bag-feeding clamp assembly 4. (See reference) Figure 4 The diagram shows the structure of the conveyor assembly 2. In this embodiment, the conveyor assembly 2 includes side plates 21 arranged opposite each other. Both ends of the side plates 21 are provided with electric rollers 22, and a belt is sleeved between the electric rollers 22. When the sauce packet is placed on the conveyor belt, the electric rollers 22 start and drive the belt to rotate, thereby sending out the sauce packet. Since the sauce packet has a certain weight, in order to keep the belt stable, a liner bracket is provided between the side plates 21 for connection. The liner bracket is parallel to the electric rollers 22, and a belt liner is installed on the upper surface of the liner bracket. The belt liner is perpendicular to the electric rollers 22 and provides a certain support for the belt. In order to ensure the stability of the entire assembly, this embodiment provides a support leg 24 at one end of the side plate 21 and a slide plate 23 at the other end of the side plate 21.

[0059] See Figure 5-7The diagram shows the structure of the bag-passing clamp assembly 3. In this embodiment, the bag-passing clamp assembly 3 includes a connecting piece 31 connected to the upper end of the frame 1. A slide 32 is connected to the lower surface of the connecting piece 31, and a gripper 33 is slidably connected to the lower surface of the slide 32. The gripper 33 includes a pair of connecting plates 331. A first cylinder 332 is mounted on one end of the upper surface of one connecting plate 331. The other connecting plate 331 is connected to the connecting plate 331 with the first cylinder 332 by a stud. A pair of connecting short rods 333 are pinned to the output end of the first cylinder 332, and a first triangular piece 334 is pinned to the front end of the connecting short rods 333. The center of the first triangular piece 334 is pinned to the upper surface of the connecting plate 331. One apex of the first triangular piece 334 is pinned to the connecting plate 331, and the other apex is rotatably connected to a connecting rod 335. The upper part is rotatably connected to a first small connecting plate 336 and a second small connecting plate 338, and the center of the first small connecting plate 336 and the second small connecting plate 338 is pinned to the connecting plate 331. In this embodiment, the first cylinder 332 uses a pair of connecting short rods 333 to drive the first triangular piece 334 to rotate on the connecting plate 331. When the first triangular piece 334 rotates, it drives the first small connecting plate 336 and the second small connecting plate 338 to rotate through the connecting rod 335. Then, one end of the clamping plate 337 on the first small connecting plate 336 and the second small connecting plate 338 moves closer to each other, so that the clamping plate 337 closes and tightens the packaging bag. In order to ensure the tightness, a chuck 339 is installed at one end of the first small connecting plate 336 and the second small connecting plate 338 to increase the clamping area. After clamping, the slide table 32 moves so that the packaging belt is above the conveyor assembly 2, which is convenient for putting down the sauce bag.

[0060] See Figure 8-10 The diagram shows the structure of the sealing assembly 4. In this embodiment, the sealing assembly 4 includes a pair of fixing plates 41, which are connected as a whole by studs. A second cylinder 42 is installed between the pair of fixing plates 41. The output end of the second cylinder 42 is movably connected to a transmission triangular plate 43, and the center of the transmission triangular plate 43 is connected to the pair of fixing plates 41 by a rotating shaft. The two apex pins of the bottom end of the transmission triangular plate 43 are pinned to a pull shaft 44, and the end of the pull shaft 44 is pinned to a triangular clamping arm 45. One apex is rotatably connected to the fixed plate 41, and the other apex of the triangular clamping arm 45 is fixedly connected to the sealing plate 46. The pair of fixed plates 41 are covered by a first machine cover 47. In this embodiment, after the sauce is filled into the packaging bag, the transmission triangular piece 43 is driven to rotate between the fixed plates 41 by the second cylinder 42. When the transmission triangular piece 43 rotates, it drives the pair of triangular clamping arms 45 to move closer through the pull shaft 44. The sealing plate 46 at the end of the triangular clamping arm 45 is heated by an external power source to clamp and heat-melt the opening of the packaging bag to seal the packaging bag.

[0061] See Figure 16 and Figure 17This is a structural diagram of the bag box assembly 6 in this embodiment. The bag box assembly 6 is used to stack packaging bags for use by the filling and weighing assembly 5. The bag box assembly 6 in this embodiment includes a pallet 61 and a bottom plate 62. A scissor hinge 64 is assembled between the pallet 61 and the bottom plate 62. A screw 63 is provided under the scissor hinge 64. A roller 66 is connected to the lower surface of the bottom plate 62 by a rotating shaft. A baffle 65 is installed at the rear end of the bottom plate 62. A guard plate 67 is provided on the frame 1, and the guard plate 67 is located on both sides of the pallet 61 and the bottom plate 62. In this embodiment, one end of the screw 63 is connected to a motor for driving. The rotation of the screw 63 causes the scissor hinge 64 to perform scissor movement, thereby causing the pallet 61 to rise and fall relative to the bottom plate 62.

[0062] See Figure 19 and Figure 20 To lift the packaging bags placed on the bag box assembly 6 onto the filling and weighing assembly 5, this embodiment also includes a lifting mechanism 8 above one of the forks 541. The lifting mechanism 8 includes a hanging plate 81, with a dual-axis cylinder 83 pinned to the lower end of the hanging plate 81. A second telescopic rod 82 is mounted at the center of the end of the dual-axis cylinder 83 connected to the hanging plate 81, and a suction cup assembly is connected to the output end of the dual-axis cylinder 83. The suction cup assembly consists of a metal sheet 84 and multiple suction cups. In this embodiment, the hanging plate 81 is fixedly connected to the frame 1. Bearing the weight of the entire lifting mechanism 8, when the packaging bag needs to be retrieved, the suction cup assembly is initially positioned opposite the bag box assembly 6. The dual-axis cylinder 83 is activated, pushing the suction cup assembly downwards to grip the packaging bag. At this point, the dual-axis cylinder 83 retracts, lifting the packaging bag and detaching it from the bag box assembly 6. The second telescopic rod 82 is then activated, its output end retracting, causing the dual-axis cylinder 83 to rotate on the hanging plate 81, changing its position from vertical to horizontal. The suction cup assembly is now positioned opposite the filling and weighing assembly 5. (See reference...) Figure 14 Furthermore, the output end of the fifth cylinder 551a is also connected to the seventh cylinder 554. The output end of the seventh cylinder 554 is also equipped with a suction cup. The seventh cylinder 554 directly pushes the suction cup to adhere to the packaging bag and then resets, thereby pulling the packaging bag open.

[0063] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present invention, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted herein.

Claims

1. A vacuum large packaging machine, comprising a frame (1), wherein a conveyor assembly (2), a bag clamp assembly (3), a sealing assembly (4), a filling and weighing assembly (5), and a bag box assembly (6) are assembled within the frame (1). The conveyor assembly (2) is mounted on one side of the frame (1), the bag clamp assembly (3) is located above the conveyor assembly (2), the sealing assembly (4) is parallel to the bag clamp assembly (3), the filling and weighing assembly (5) is located on the other side of the frame (1), and the bag box assembly (6) is positioned in front of the filling and weighing assembly (5). A control panel (12) is provided on one side of the frame (1), and the control panel (12) is signal connected to the conveyor assembly (2), the bag clamp assembly (3), the sealing assembly (4), the filling and weighing assembly (5), and the bag box assembly (6). Its features are: The filling and weighing assembly (5) includes a walking plate (51), a pair of walking arms (533) are hinged to the upper surface of the walking plate (51), a walking arm (53) is mounted on the walking arm (533), a bag fixing assembly (54) is mounted on the upper surface of the walking arm (53), a filling mechanism (7) is installed above the bag fixing assembly (54), a weighing assembly (55) is provided on one side of the filling mechanism (7), the filling mechanism (7) includes a double-rod cylinder (71), a support rod (72) is provided at the output end of the double-rod cylinder (71), a piston rod (73) is mounted on the support rod (72), and a nozzle (74) is connected to the output end of the piston rod (73). After the bag-fixing assembly (54) clamps the packaging bag, the filling mechanism (7) fills the sauce. The weighing assembly (55) is located on both sides of the filling mechanism (7), and a pair of grippers (553b) are provided on the weighing assembly (55). The grippers (553b) are located on both sides of the upper end of the packaging bag. When the packaging bag is filled, the grippers (553b) clamp the packaging bag, and the weight of the packaging bag and the sauce inside it acts on the weighing assembly. The traveling arm (533) includes a fourth cylinder (533a) symmetrically arranged on the traveling plate (51). The tail of the fourth cylinder (533a) is fixed to the traveling plate (51) by a pin seat. The output end of the fourth cylinder (533a) is pinned to a hinge plate. One end of the hinge plate is pinned to the traveling plate (51), and the other end of the hinge plate is pinned to the housing. The housing covers the fourth cylinder (533a), and the other end of the housing is pinned to the pin seat. The bottom end of the traveling arm (53) is welded to the upper surface of the housing. The traveling arm (53) includes a first rotating assembly (531) arranged vertically. The first rotating assembly (531) and the second rotating assembly (532) are both composed of a third cylinder, a connecting plate and a mounting rod. The mounting rod end of the first rotating assembly (531) is provided with a bag support plate (531a), and the mounting rod end of the second rotating assembly (532) is provided with an exhaust rod (532a). The first rotating assembly (531) and the second rotating assembly (532) are covered with a protective shell, and the third cylinder, connecting plate and mounting rod that make up the first rotating assembly (531) and the second rotating assembly (532) are all pinned to the inner wall of the protective shell. The bag securing assembly (54) is assembled on the upper end of the protective shell. The bag securing assembly (54) includes symmetrically arranged fork plates (541) fixedly installed on the protective shell. A pair of first telescopic rods (541a) are centrally mounted on the upper surface of the fork plates (541). Each output end of the first telescopic rod (541a) is pinned to a clamping plate (541b). The outer side of the clamping plate (541b) is connected to the upper surface of the fork plate (541) by a pin. Multiple silicone pads are provided on the opposite side of the clamping plate (541b). Plate (541b-1); A lifting mechanism (8) is also mounted above one of the forks (541). The lifting mechanism (8) includes a hanging plate (81) fixedly connected to the frame (1), and a double-axis cylinder (83) is pinned to the lower end of the hanging plate (81). A second telescopic rod (82) is mounted at the center of one end of the double-axis cylinder (83) connected to the hanging plate (81), and a suction cup assembly is connected to the output end of the double-axis cylinder (83). The suction cup assembly consists of a metal plate (84) and multiple suction cups.

2. The vacuum large packaging machine according to claim 1, characterized in that: The frame (1) has symmetrical rotating shafts (52) on both sides at the lower end, and the rotating shafts (52) are connected by chains (521) through sprockets. The lower end of the frame (1) is provided with a track frame (11) for accommodating the chains (521). One end of one of the rotating shafts (52) is provided with a driver (522). The side of the walking plate (51) is welded with hinges connected to the chains (521), and the side of the walking plate (51) is also connected with multiple guide wheels (511) through rotating shafts.

3. The vacuum large packaging machine according to claim 1, characterized in that: The weighing assembly (55) includes a slide plate (551) fixed inside the frame (1). A pair of sliders (552) are slidably connected to the slide plate (551). A second housing (553) is mounted on the front surface of the sliders (552). A weighing sensor (553d) is built into the second housing (553). The input end of the weighing sensor (553d) is connected to a sixth cylinder (553a). Connecting strips are symmetrically pinned to both sides of the output end of the sixth cylinder (553a), and the center of the connecting strip is pinned to the inner wall of the second housing (553). The gripper (553b) is pinned to the connecting strip. At the end of the clamp (553b), the center of the clamp is also pinned to the inner wall of the second cover (553), and a rubber block (553c) is installed at the end of the clamp (553b); a fifth cylinder (551a) is also installed in the frame (1), and a scissor bar (551a-1) is symmetrically pinned to the output end of the fifth cylinder (551a), and the end of the scissor bar (551a-1) is pinned to the lower surface of the second cover (553). The output end of the fifth cylinder (551a) is also connected to a seventh cylinder (554), and a suction cup is also installed at the output end of the seventh cylinder (554).

4. The vacuum large packaging machine according to claim 1, characterized in that: The conveyor assembly (2) includes side plates (21) arranged opposite each other. Both ends of the side plates (21) are provided with electric rollers (22). A belt is sleeved between the electric rollers (22). The side plates (21) are connected by a liner bracket. The liner bracket is parallel to the electric rollers (22). A belt liner is installed on the upper surface of the liner bracket. The belt liner is perpendicular to the electric rollers (22). One end of the side plate (21) is provided with a support leg (24), and the other end of the side plate (21) is provided with a slide plate (23).

5. The vacuum large packaging machine according to claim 1, characterized in that: The bag clamp assembly (3) includes a connecting piece (31) connected to the upper end of the frame (1), a slide (32) connected to the lower surface of the connecting piece (31), and a gripper (33) slidably connected to the lower surface of the slide (32).

6. The vacuum large packaging machine according to claim 5, characterized in that: The gripper (33) includes a pair of connecting plates (331). A first cylinder (332) is mounted on one end of the upper surface of one connecting plate (331). The other connecting plate (331) is connected to the connecting plate (331) with the first cylinder (332) by a stud. A pair of connecting rods (333) are pinned to the output end of the first cylinder (332), and a first triangular piece (334) is pinned to the front end of each connecting rod (333). The center of the first triangular piece (334) is pinned to the upper surface of the connecting plate (331). One of the apexes of the first triangular piece (334) is pinned to the connecting plate (331), and the other apexes are rotatably connected to the connecting rod (335). The connecting rod (335) is rotatably connected to the first small connecting plate (336) and the second small connecting plate (338). The center of the first small connecting plate (336) and the second small connecting plate (338) is pinned to the connecting plate (331). A clamping plate (337) is installed at one end of the first small connecting plate (336) and the second small connecting plate (338). A chuck (339) is installed at one end of the clamping plate (337).

7. The vacuum large packaging machine according to claim 1, characterized in that: The sealing assembly (4) includes a pair of fixing plates (41), which are connected as a whole by studs. A second cylinder (42) is installed between the pair of fixing plates (41). The output end of the second cylinder (42) is movably connected to a transmission triangle (43), and the center of the transmission triangle (43) is connected between the pair of fixing plates (41) by a rotating shaft. The bottom two apex of the transmission triangle (43) are pinned to a pull shaft (44), and the end of the pull shaft (44) is pinned to a triangular clamping arm (45). One apex of the triangular clamping arm (45) is rotatably connected to the fixing plate (41), and the other apex of the triangular clamping arm (45) is fixedly connected to a sealing plate (46). The pair of fixing plates (41) are covered by a first machine cover (47).

8. The vacuum large packaging machine according to claim 1, characterized in that: The bag assembly (6) includes a tray (61) and a bottom plate (62). A scissor hinge (64) is assembled between the tray (61) and the bottom plate (62). A screw (63) is provided under the scissor hinge (64). A roller (66) is connected to the lower surface of the bottom plate (62) by a rotating shaft. A baffle (65) is installed at the rear end of the bottom plate (62). A guard plate (67) is provided on the frame (1), and the guard plate (67) is located on both sides of the tray (61) and the bottom plate (62).

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