Pillow type vacuumizing packaging machine

Abstract

The utility model discloses a pillow type vacuumizing packaging machine which comprises a machine frame, a conveying belt, a telescopic discharging mechanism, a vacuumizing assembly, an exhaust pipe, an upper rubber strip assembly, a lower rubber strip assembly and an end sealing mechanism. The conveying belt is used for conveying packaging bags containing materials, and the telescopic discharging mechanism is used for bearing the packaging bags conveyed by the conveying belt. The exhaust pipe extends into the packaging bag; the upper rubber strip assembly and the lower rubber strip assembly are jointly used for pressing the exhaust pipe and a bag opening of the packaging bag. And the end sealing mechanism is used for sealing and cutting the packaging bag. The air exhaust pipe extends into a packaging bag, the upper rubber strip assembly and the lower rubber strip assembly are used for pressing a bag opening before sealing, the air exhaust pipe starts to exhaust air, and the packaging bag is sealed and cut off through the end sealing mechanism after certain vacuum is achieved. According to the utility model, the air exhaust efficiency is effectively improved, the vacuum degree in the bag is improved, and the packaging quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing technical field, more specifically, especially relates to a pillow type vacuum packaging machine. BACKGROUND

[0002] The pillow type packaging machine is a kind of automatic packaging equipment for food, medicine, daily chemical industry and other industries, can be formed, loading, sealing, cutting and other processes to the packaging film of reel shape, complete the packaging of product.The layout of the existing pillow type packaging machine's air extraction pipeline is unreasonable, cannot evenly extract air to packaging bag, leading to the gas in packaging bag cannot be effectively extracted, affect packaging quality. UTILIT Y MODEL CONTENT

[0003] The utility model provides a kind of pillow type vacuum packaging machine to solve the problem in the above background technique.The utility model provides the following technical scheme to achieve the above purpose: a kind of pillow type vacuum packaging machine, including rack, conveying belt, telescopic discharge mechanism, vacuumizing component, air extraction pipe, upper glue strip component, lower glue strip component and end seal mechanism;The conveying belt and the telescopic discharge mechanism are located on the rack, the conveying belt is used to transport the packaging bag loaded with material, and the telescopic discharge mechanism is used to receive the packaging bag conveyed by the conveying belt;The vacuumizing component is located beside the rack and is connected with the air extraction pipe;The air extraction pipe is arranged along the conveying direction of the conveying belt and extends into the packaging bag;The upper glue strip component and the lower glue strip component are respectively installed on the end seal mechanism, and are used to compress the air extraction pipe and the bag opening of packaging bag;The end seal mechanism is used to seal and cut the packaging bag.

[0004] Preferably, the end seal mechanism includes an end seal frame, the end seal frame is provided with a driving mechanism and a pair of parallel linear optical axes, an upper film pressing seat and a lower film pressing seat are arranged on the pair of linear optical axes;The upper film pressing seat is fixed on the linear optical axis by screw, and the upper film pressing seat is provided with an upper horizontal sealing knife, a lower air cylinder and a cutter, the piston rod of the lower air cylinder is connected with the cutter;The driving mechanism is connected with the lower film pressing seat, and drives the lower film pressing seat to slide on the pair of linear optical axes;The lower film pressing seat is provided with a lower horizontal sealing knife, and the lower horizontal sealing knife is arranged opposite to the upper horizontal sealing knife;The upper glue strip component is connected with the upper film pressing seat, and the lower glue strip is connected with the lower film pressing seat.

[0005] Preferably, the upper adhesive strip assembly comprises a buffer part, a first silica gel foam strip and a first silica gel strip; the buffer part is connected with the upper film pressing seat, the first silica gel foam strip and the first silica gel strip are respectively arranged on the two sides of the buffer part, the lower adhesive strip assembly comprises a second silica gel foam strip and a second silica gel strip, the second silica gel foam strip and the second silica gel strip are respectively connected with the lower film pressing seat through the mounting plate; the second silica gel foam strip is arranged opposite to the first silica gel foam strip and is used for pressing the air pipe and the bag opening of the packaging bag; the second silica gel strip is arranged opposite to the first silica gel strip and is used for pressing the packaging bag.

[0006] Preferably, the buffer part comprises a pair of buffer units, the buffer unit comprises a bearing seat, the two ends of the bearing seat are respectively provided with linear bearings, the linear bearings are provided with guide rods, the top of the guide rod is provided with a limiting sleeve, and the bottom is provided with a film pressing plate; the guide rod is provided with a spring, one end of the spring abuts against the linear bearing, and the other end abuts against the film pressing plate.

[0007] Preferably, the driving mechanism is a connecting rod transmission mechanism, the connecting rod transmission mechanism comprises a servo motor and a worm gear reducer, the servo motor is in transmission connection with the worm gear reducer, the worm gear reducer is provided with output shafts on the two sides, the output shafts are provided with rotating discs, the rotating discs are provided with eccentric shafts, the eccentric shafts are rotatably provided with connecting rods, and the other ends of the connecting rods are rotatably connected with the lower film pressing seat.

[0008] Preferably, the driving mechanism is a driving air cylinder, and the piston rod of the driving air cylinder is connected with the bottom of the lower film pressing seat.

[0009] Preferably, the conveying belt comprises a workbench, a first driving roller, a first driven roller and a first belt; the first driving roller and the first driven roller are arranged in the workbench, and the first driving roller and the first driven roller are in transmission connection through the first belt.

[0010] Preferably, the end of the workbench is provided with a pair of forming plates and a pair of forming rods, the forming rods and the forming plates are used for folding the packaging film to form the packaging bag; the number of the air pipes is two, and the two air pipes are arranged between the pair of forming plates.

[0011] Preferably, the telescopic discharging mechanism comprises a supporting table, a belt frame, a pushing cylinder and a connecting plate; the belt frame is provided with linear guides on both sides, the linear guides are provided with slidable sliders, the sliders are connected with the supporting table; the cylinder body of the pushing cylinder is connected with the supporting table, the piston rod is connected with the connecting plate, the other end of the connecting plate is connected with the belt frame; the belt frame is provided with a second driving roller, a second belt and a plurality of guide rollers; the second driving roller and the plurality of guide rollers are connected through the second belt.

[0012] Preferably, the vacuum pumping assembly is internally provided with a vacuum pump, and the vacuum pump is connected with the air pumping pipe.

[0013] Compared with the prior art, the pillow type vacuum packaging machine has the advantages of reasonable design, simple structure, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 FIG. 1 is a structural diagram of a pillow type vacuum packaging machine according to an embodiment of the present application;

[0015] Figure 2 FIG. 2 is a structural diagram of the pillow type vacuum packaging machine according to the embodiment of the present application from another perspective;

[0016] Figure 3 FIG. 3 is a front view of the pillow type vacuum packaging machine according to the embodiment of the present application; Figure 2

[0017] Figure 4 FIG. 4 is a side view of the pillow type vacuum packaging machine according to the embodiment of the present application;

[0018] Figure 5 FIG. 5 is a sectional view of the pillow type vacuum packaging machine according to the embodiment of the present application;

[0019] In Figures 1 to 5 FIG. 6 is an enlarged view of part A in FIG. 1, wherein the corresponding relationship between the names of the components and the figure numbers is as follows:

[0020] ​1-frame, 2-conveying belt, 21-workbench, 22-first driving roller, 23-first driven roller, 24-first belt, 25-molding plate, 26-molding rod, 3-telescopic discharging mechanism, 31-supporting table, 32-belt frame, 33-advancing cylinder, 34-connecting plate, 35-linear guide rail, 36-sliding block, 37-second driving roller, 38-second belt, 39-guide roller, 4-vacuumizing assembly, 5-exhaust pipe, 6-gluing strip assembly, 61-buffering part, 611-bearing seat, 612-linear bearing, 613-guide rod, 614-limiting sleeve, 615-film pressing plate, 616-spring, 62-first silica gel foaming strip, 63-first silica gel strip, 7-lower gluing strip assembly, 71-second silica gel foaming strip, 72-second silica gel strip, 8-end sealing mechanism, 81-end sealing frame, 82-driving mechanism, 821-worm and gear reducer, 822-rotating disc, 823-eccentric shaft, 824-connecting rod, 83-linear optical shaft, 84-upper film pressing seat, 85-lower film pressing seat, 86-upper transverse sealing cutter, 87-lower pressing cylinder, 88-lower transverse sealing cutter, 9-packaging bag. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be further described in conjunction with the drawings and examples, the drawings are only used for reference and do not limit the embodiments of the present application. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0022] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Please refer to Figures 1 to 5 The utility model provides a kind of pillow type vacuum packaging machine, including rack 1, conveying belt 2, telescopic discharge mechanism 3, vacuum assembly 4, suction pipe 5, upper glue strip component 6, lower glue strip component 7 and end sealing mechanism 8;The conveying belt 2 and the telescopic discharge mechanism 3 are located on the rack 1, the conveying belt 2 is used to transport packaging bag 9 with material, and the telescopic discharge mechanism 3 is used to receive the packaging bag 9 conveyed by the conveying belt 2;The vacuum assembly 4 is located beside the rack 1, and is connected with the suction pipe 5;The suction pipe 5 is arranged along the conveying direction of the conveying belt 2, and extends into packaging bag 9;The upper glue strip component 6, the lower glue strip component 7 are respectively installed on the end sealing mechanism 8, and are used to compress the suction pipe 5 and the bag opening of packaging bag 9;The end sealing mechanism 8 is used to seal and cut packaging bag 9.

[0025] In the embodiment of the utility model, conveying belt 2 is responsible for conveying packaging bag 9 with material, and telescopic discharge mechanism 3 can flexibly receive the packaging bag 9 conveyed by conveying belt 2, can adjust position according to actual demand, and can pass through end sealing mechanism 8 to receive material when end sealing mechanism 8 is opened, then drive packaging bag 9 and material to pass through end sealing mechanism 8, so as to facilitate subsequent sealing operation. Telescopic discharge mechanism 3 can be driven by air cylinder, screw pair or other equipment capable of linear motion. Vacuum assembly 4 extends into packaging bag 9 through suction pipe 5 to perform air extraction, which can directly perform vacuum treatment on the inside of packaging bag 9, has good air extraction effect, and can effectively exhaust air in the bag. At the same time, the suction pipe 5 is arranged along the conveying direction of the conveying belt 2, which is convenient for air extraction operation simultaneously before sealing when packaging bag 9 is folded and formed, so as to realize automatic continuous production. Upper glue strip component 6 and lower glue strip component 7 are respectively installed on end sealing mechanism 8, compress suction pipe 5 and the bag opening of packaging bag 9 together, reduce the gap of bag opening, and can also fix suction pipe 5, so that it remains stable during air extraction, avoids affecting air extraction effect or causing poor bag sealing due to shaking. End sealing mechanism 8 integrates sealing and cutting functions, can immediately seal and cut packaging bag 9 after air extraction is completed, and improves packaging efficiency.

[0026] The working process of the utility model is as follows: the packaging bag 9 with materials is transported along with the conveying belt 2, the air suction pipe 5 has been extended into the packaging bag 9 along the conveying direction of the conveying belt 2; the end sealing mechanism 8 is in the open state, the telescopic discharging mechanism 3 is extended and caught the packaging belt, then retreats, the end sealing mechanism 8 is closed, and drives the upper glue strip assembly 6 and the lower glue strip assembly 7 connected with it to close, the upper glue strip assembly 6 and the lower glue strip assembly 7 compress the air suction pipe 5 and the bag opening of the packaging bag 9, so that the bag opening is tightly attached; the vacuum assembly 4 is started, the air in the packaging bag 9 is extracted through the air suction pipe 5, so that the packaging bag 9 reaches the predetermined vacuum degree; after the air suction is completed, the end sealing mechanism 8 continues to act, seals and cuts the packaging bag 9, separates it from the continuous packaging material, and forms an independent vacuum packaging product. The packaging bag 9 after cutting is conveyed to the designated position by the telescopic discharging mechanism 3, and is discharged.

[0027] Preferably, the end sealing mechanism 8 comprises an end sealing frame 81, a driving mechanism 82 and a pair of parallel linear optical axes 83 are arranged in the end sealing frame 81, an upper pressing film seat 84 and a lower pressing film seat 85 are arranged on the pair of linear optical axes 83; the upper pressing film seat 84 is fixed on the linear optical axis 83 through a screw, an upper horizontal sealing knife 86, a lower pressing cylinder 87 and a cutter are arranged on the upper pressing film seat 84, the piston rod of the lower pressing cylinder 87 is connected with the cutter; the driving mechanism 82 is connected with the lower pressing film seat 85 and drives the lower pressing film seat 85 to slide on the pair of linear optical axes 83; a lower horizontal sealing knife 88 is arranged on the lower pressing film seat 85, and the lower horizontal sealing knife 88 is arranged opposite to the upper horizontal sealing knife 86; the upper glue strip assembly 6 is connected with the upper pressing film seat 84, and the lower glue strip is connected with the lower pressing film seat 85.

[0028] In the present embodiment, a pair of mutually parallel linear light axes 83 provided in the end sealing frame 81 provide stable support and accurate guidance for the upper and lower film pressing seats 84 and 85. The upper film pressing seat 84 is fixed on the linear light axes 83 by screws, ensuring its position fixed, while the lower film pressing seat 85 can slide on the linear light axes 83. This design makes the movement of the upper and lower film pressing seats 85 more stable and accurate, ensuring the position accuracy of the sealing knife and the rubber strip during work, which is conducive to improving the sealing and cutting quality. The driving mechanism 82 is connected with the lower film pressing seat 85, which can drive the lower film pressing seat 85 to smoothly slide on the linear light axes 83. The upper film pressing seat 84 is integrated with the upper horizontal sealing knife 86, the lower pressing cylinder 87 and the cutting knife, and the lower film pressing seat 85 is provided with the lower horizontal sealing knife 88. The upper rubber strip assembly 6 is connected with the upper film pressing seat 84, and the lower rubber strip is connected with the lower film pressing seat 85. This integrated design makes the end sealing mechanism 8 realize multiple functions on one component, including sealing, cutting and bag opening pressing, etc., reducing the number of parts and the overall volume of the equipment, improving the compactness and space utilization of the equipment. The upper and lower horizontal sealing knives 86 and 88 are oppositely arranged, which can uniformly heat and press the bag opening of the packaging bag 9 during work, making the bag opening firmly and smoothly, with high sealing quality, effectively preventing the packaging bag 9 from leaking. The cutting knife driven by the lower pressing cylinder 87 can quickly cut the packaging bag 9, forming an independent package.

[0029] Preferably, the upper rubber strip assembly 6 includes a buffer part 61, a first silica gel foam strip 62 and a first silica gel strip 63; the buffer part 61 is connected with the upper film pressing seat 84, and the first silica gel foam strip 62 and the first silica gel strip 63 are respectively arranged on both sides of the buffer part 61. The lower rubber strip assembly 7 includes a second silica gel foam strip 71 and a second silica gel strip 72, which are respectively connected with the lower film pressing seat 85 through mounting plates; the second silica gel foam strip 71 is oppositely arranged with the first silica gel foam strip 62 and is used for pressing the air suction pipe 5 and the bag opening of the packaging bag 9; and the second silica gel strip 72 is oppositely arranged with the first silica gel strip 63 and is used for pressing the packaging bag 9.

[0030] The buffer part 61 is arranged to provide good buffering effect when the lower rubber strip assembly 7 contacts and presses the upper rubber strip assembly 6, so as to avoid damaging the packaging bag 9 or affecting the sealing effect due to excessive extrusion on the bag opening and the air pipe 5. In the embodiment, the first and second silica gel foam strips 62 and 71 are arranged oppositely, and they are soft and have good elasticity, so as to press the air pipe 5 and the bag opening of the packaging bag 9, and tightly fit the air pipe 5 and the bag opening of the packaging bag 9, so as to effectively prevent gas leakage, and fix the air pipe 5, so as to ensure the stability of the air extraction process. The first silica gel strip 63 is provided with a slot for the packaging bag 9 to pass through, so that the first silica gel strip 63 only presses the two sides of the packaging bag 9, and the middle part is provided for the air pipe 5 to extract air. Similarly, the second silica gel strip 72 is also provided with a slot for the packaging bag 9 to pass through, and cooperates with the first silica gel strip 63 to press the two sides of the packaging bag 9. Meanwhile, the first and second silica gel strips 63 and 72 are harder than the silica gel foam strips, so as to better press the packaging bag 9, and cooperate with the foam strips to improve the air extraction effect.

[0031] Preferably, the buffer part 61 comprises a pair of buffer units, each buffer unit comprising a bearing seat 611, the bearing seat 611 being provided with a linear bearing 612 at each end, the linear bearing 612 being provided with a guide rod 613, the top of the guide rod 613 being provided with a limiting sleeve 614, and the bottom being provided with a film pressing plate 615; the guide rod 613 is sleeved with a spring 616, one end of the spring 616 abutting against the linear bearing 612, and the other end abutting against the film pressing plate 615.

[0032] In the present embodiment, the pair of buffering units can form a stable connection structure, making the installation of the adhesive strip more stable. The part in the buffering unit connected with the upper pressing film seat 84 is a bearing seat 611, the center of which is connected with the upper pressing film seat 84, and the two ends are respectively provided with a linear bearing 612, and then a slidable guide rod 613 is arranged in the linear bearing 612. The spring 616 is sleeved on the guide rod 613, and the two ends are respectively in abutment with the linear bearing 612 and the pressing film plate 615. When subjected to pressure, the spring 616 will be compressed, absorbing and buffering the pressure through elastic deformation, avoiding the direct action of the pressure on the packaging bag 9, effectively preventing the packaging bag 9 from being damaged and the air suction pipe 5 from being damaged due to excessive extrusion. The limiting sleeve 614 limits the top of the guide rod 613, which can limit the stroke of the guide rod 613. Further, by adjusting the position of the limiting sleeve 614, the buffering force and the pressing depth of the buffering part 61 can be flexibly adjusted according to the thickness, material and packaging requirements of different packaging bags 9, so that the buffering part 61 has strong adaptability and can meet various packaging requirements. The pressing film plate 615 at the bottom of the guide rod 613 is provided with a groove and can be used to connect the first silica gel foam strip 62 or the first silica gel strip 63. The modular structure also facilitates the replacement of the first silica gel foam strip 62 or the first silica gel strip 63.

[0033] Preferably, the driving mechanism 82 is a connecting rod 824 transmission mechanism, which comprises a servo motor and a worm gear reducer 821, the servo motor is in transmission connection with the worm gear reducer 821, the worm gear reducer 821 is provided with an output shaft on each side, the output shaft is provided with a rotating disc 822, the rotating disc 822 is provided with an eccentric shaft 823, the eccentric shaft 823 is rotatably provided with a connecting rod 824, the other end of the connecting rod 824 is rotatably connected with the lower pressing film seat 85.

[0034] In the embodiment, power is provided by a servo motor. Specifically, the servo motor outputs power to a worm gear reducer 821, which is a double-output structure with output shafts on both sides, and then a turntable 822 is arranged on each output shaft. An eccentric shaft 823 is arranged on the turntable 822, and a connecting rod 824 is arranged to act on the lower pressing film seat 85, so that the rotary motion of the servo motor can be converted into the linear motion of the lifting of the lower pressing film seat 85. This transmission mode is relatively stable, which can reduce vibration and impact. At the same time, the transmission of the worm gear reducer 821 is relatively stable, and the noise is low, which is beneficial to reduce the noise pollution of the working place. The worm gear reducer 821 has a large transmission ratio, which can amplify the torque of the servo motor, so that the lower pressing film seat 85 can obtain enough power to complete the sealing and cutting operation of the packaging bag 9 during the movement. Even in the case of thick packaging material or large pressure requirement, the normal work of the end sealing mechanism 8 can be ensured. In addition, the servo motor is used as the power source, and the rotation speed, rotation direction and movement time of the motor can be accurately controlled through the control system, so that the movement speed, stroke and pause time of the lower pressing film seat 85 and other parameters can be flexibly adjusted, so that the packaging machine can adapt to packaging bags 9 of different specifications and requirements.

[0035] Preferably, the driving mechanism 82 is a driving cylinder, and the piston rod of the driving cylinder is connected with the bottom of the lower pressing film seat 85. The driving cylinder acts quickly and can realize the rapid lifting movement of the lower pressing film seat 85 in a short time. During the working process of the pillow type vacuum packaging machine, the operations such as pressing, sealing and separating of the packaging bag 9 can be quickly completed, which effectively improves the packaging efficiency and meets the production demand of high-speed packaging.

[0036] Preferably, the conveying belt 2 comprises a workbench 21, a first driving roller 22, a first driven roller 23 and a first belt 24. The first driving roller 22 and the first driven roller 23 are arranged in the workbench 21, and the first driving roller 22 and the first driven roller 23 are drivingly connected through the first belt 24. In the embodiment, the first driving roller 22 and the first driven roller 23 are drivingly connected through the first belt 24, which can effectively transmit power from the driving roller to the driven roller to drive the belt to run, thereby realizing the conveying of the articles placed on the first belt 24. A supporting plate cooperating with the first belt 24 is further arranged in the workbench 21, so that the first belt 24 can run on the supporting plate and support the materials. During work, the driving roller can be externally connected with a power source, and the power source drives the driving roller to drive the first belt 24 to run.

[0037] Preferably, the end of the workbench 21 is provided with a pair of forming plates 25 and a pair of forming rods 26, which are used to fold the packaging film to form the packaging bag 9; the number of the suction pipes 5 is two, which are arranged between the pair of forming plates 25. Through the above structure, the forming plates 25 and the forming rods 26 work together to accurately fold the packaging film, so that the packaging film forms the packaging bag 9 according to the predetermined shape and size. The suction pipe 5 is arranged between the two forming plates 25, so that the packaging film is folded along the suction pipe 5 to form the packaging bag 9, so that the suction pipe 5 always remains in the state of extending into the packaging bag 9, facilitating the suction operation.

[0038] Preferably, the telescopic discharging mechanism 3 comprises a support table 31, a belt frame 32, a push cylinder 33 and a connecting plate 34; the two sides of the belt frame 32 are respectively provided with linear guides 35, and the linear guides 35 are provided with slidable sliding blocks 36, which are connected with the support table 31; the cylinder body of the push cylinder 33 is connected with the support table 31, the piston rod is connected with the connecting plate 34, and the other end of the connecting plate 34 is connected with the belt frame 32; the belt frame 32 is provided with a second driving roller 37, a second belt 38 and a plurality of guide rollers 39; the second driving roller 37 and the plurality of guide rollers 39 are drivingly connected through the second belt 38.

[0039] In this embodiment, through the action of the push cylinder 33, the piston rod is telescoped to drive the connecting plate 34, and then the belt frame 32 slides along the sliding block 36 on the linear guide 35. The support table 31 is connected with the sliding block 36, so that the whole mechanism can realize telescopic action. The belt frame 32 is provided with the second driving roller 37, the second belt 38 and a plurality of guide rollers 39, the second driving roller 37 is drivingly connected with the guide rollers 39 through the second belt 38, forming a stable belt conveying system. The guide rollers 39 can guide the second belt 38 to pass through the second driving roller 37, improving the running stability.

[0040] The working process of this embodiment is as follows: when the packaging bag 9 needs to be received, the cylinder is started, the piston rod is retracted to drive the whole belt frame 32 to move towards the conveying belt 2, so that when the packaging bag 9 moves to the end of the conveying belt 2, it can be caught by the second belt 38. Then, the cylinder is started, the piston rod is extended to drive the belt frame 32 away from the conveying belt 2, and then drive the packaging bag 9 to pass through the end sealing mechanism 8 and move to the preset position, facilitating the end sealing operation.

[0041] Preferably, the vacuum assembly 4 is internally provided with a vacuum pump connected with the air exhaust pipe 5. The vacuum pump as the core component of the vacuum assembly 4 can provide strong air exhaust power. By being connected with the air exhaust pipe 5, the air in the packaging bag 9 can be quickly exhausted, and a high vacuum degree can be reached in a short time, satisfying the requirement of the pillow type vacuum packaging machine on vacuum packaging.

[0042] Compared with the prior art, the pillow type vacuum packaging machine has the advantages that the pillow type vacuum packaging machine is reasonable in design and simple in structure, the air exhaust pipe is inserted into the packaging bag, the bag opening is pressed by the upper glue strip assembly and the lower glue strip assembly before being sealed, the air exhaust pipe starts to exhaust air, and the end sealing mechanism seals the packaging bag and cuts off after a certain vacuum degree is reached.

[0043] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A pillow-type vacuum packaging machine, characterized in that, The system includes a frame (1), a conveyor belt (2), a telescopic discharge mechanism (3), a vacuum assembly (4), an air extraction pipe (5), an upper adhesive strip assembly (6), a lower adhesive strip assembly (7), and an end-sealing mechanism (8). The conveyor belt and the telescopic discharge mechanism are mounted on the frame. The conveyor belt is used to transport packaging bags (9) containing materials, and the telescopic discharge mechanism is used to receive the packaging bags transported by the conveyor belt. The vacuum assembly is located next to the frame and connected to the air extraction pipe. The air extraction pipe is arranged along the conveying direction of the conveyor belt and extends into the packaging bag. The upper adhesive strip assembly and the lower adhesive strip assembly are respectively mounted on the end-sealing mechanism, and both are used to press the air extraction pipe and the bag opening of the packaging bag together. The end-sealing mechanism is used to seal and cut the packaging bag.

2. The pillow-type vacuum packaging machine according to claim 1, characterized in that, The end-sealing mechanism includes an end-sealing frame (81), which contains a drive mechanism (82) and a pair of parallel linear optical axes (83). An upper pressure film seat (84) and a lower pressure film seat (85) are provided on the pair of linear optical axes. The upper pressure film seat is fixed to the linear optical axis by screws. The upper pressure film seat is provided with an upper horizontal sealing knife (86), a lower pressure cylinder (87), and a cutter. The piston rod of the lower pressure cylinder is connected to the cutter. The drive mechanism is connected to the lower pressure film seat and drives the lower pressure film seat to slide on the pair of linear optical axes. The lower pressure film seat is provided with a lower horizontal sealing knife (88), which is opposite to the upper horizontal sealing knife. The upper adhesive strip assembly is connected to the upper pressure film seat, and the lower adhesive strip is connected to the lower pressure film seat.

3. The pillow-type vacuum packaging machine according to claim 2, characterized in that, The upper adhesive strip assembly includes a buffer section (61), a first silicone foam strip (62), and a first silicone strip (63); the buffer section is connected to the upper pressure film seat, and the first silicone foam strip and the first silicone strip are respectively disposed on both sides of the buffer section. The lower adhesive strip assembly includes a second silicone foam strip (71) and a second silicone strip (72), and the second silicone foam strip and the second silicone strip are respectively connected to the lower pressure film seat through a mounting plate; the second silicone foam strip is arranged opposite to the first silicone foam strip and is used to press the air extraction tube and the bag opening of the packaging bag; the second silicone strip is arranged opposite to the first silicone strip and is used to press the packaging bag.

4. The pillow-type vacuum packaging machine according to claim 3, characterized in that, The buffer section includes a pair of buffer units, each buffer unit including a bearing seat (611), with linear bearings (612) at both ends of the bearing seat, a guide rod (613) on the linear bearing, a limiting sleeve (614) at the top of the guide rod, and a pressure plate (615) at the bottom; a spring (616) is sleeved on the guide rod, one end of the spring abutting against the linear bearing, and the other end abutting against the pressure plate.

5. The pillow-type vacuum packaging machine according to claim 2, characterized in that, The driving mechanism is a linkage (824) transmission mechanism, which includes a servo motor and a worm gear reducer (821). The servo motor is connected to the worm gear reducer. The worm gear reducer has output shafts on both sides. A turntable (822) is provided on the output shaft. An eccentric shaft (823) is provided on the turntable. A connecting rod is rotatably provided on the eccentric shaft. The other end of the connecting rod is rotatably connected to the lower pressure diaphragm seat.

6. The pillow-type vacuum packaging machine according to claim 2, characterized in that, The driving mechanism is a driving cylinder, and the piston rod of the driving cylinder is connected to the bottom of the lower pressure diaphragm seat.

7. The pillow-type vacuum packaging machine according to claim 1, characterized in that, The conveyor belt includes a worktable (21), a first driving roller (22), a first driven roller (23), and a first belt (24); the first driving roller and the first driven roller are located inside the worktable, and the first driving roller and the first driven roller are connected by the first belt drive.

8. The pillow-type vacuum packaging machine according to claim 7, characterized in that, The end of the workbench is provided with a pair of forming plates (25) and a pair of forming rods (26). The forming rods and the forming plates are used to fold the packaging film to form a packaging bag. There are two suction pipes, which are located between the pair of forming plates.

9. The pillow-type vacuum packaging machine according to claim 1, characterized in that, The telescopic discharge mechanism includes a support platform (31), a belt frame (32), a propulsion cylinder (33), and a connecting plate (34); the belt frame is provided with linear guide rails (35) on both sides, and a sliding slider (36) is provided on the linear guide rail, and the slider is connected to the support platform; the cylinder body of the propulsion cylinder is connected to the support platform, the piston rod is connected to the connecting plate, and the other end of the connecting plate is connected to the belt frame; the belt frame is provided with a second drive roller (37), a second belt (38), and several guide rollers (39); the second drive roller and several guide rollers are connected by the second belt drive.

10. The pillow-type vacuum packaging machine according to claim 1, characterized in that, The vacuum assembly is equipped with a vacuum pump, which is connected to the suction pipe.

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