Vertical automatic filling packaging machine
By employing a spiral design with rotating rollers and guide rings in a vertical packaging machine, the problem of incomplete sealing caused by film wrinkles is solved, achieving film flatness and efficient sealing, and improving the packaging yield.
Patent Information
- Application Number
- CN202522414955.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-14
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-11-14
AI Technical Summary
Existing vertical packaging machines suffer from incomplete sealing and insufficient sealing strength due to film wrinkles during the horizontal sealing process, which affects the finished product yield.
The design employs two sets of rotating rollers and guide rings. The spiral strips are used to precisely center and initially position the film. The scraping force of the spiral strips mechanically pushes and flattens outwards any potential wrinkles, ensuring that the film is flat before heat sealing.
It improves the flatness and sealing performance of the seal, enhances the quality of the seal, avoids poor sealing, and increases the yield of finished packaging products.
Smart Images

Figure CN223658567U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vertical packing machine technical field, more specifically, relate to a vertical automatic filling packaging machine. BACKGROUND
[0002] In the modern packaging industry, vertical automatic filling packaging machine plays a vital role, it can efficiently package various materials, meet the demand of large-scale production. With the market for product packaging quality requirements continue to improve, not only requires the sealing of the package is good, but also increasingly concerned about the flatness of the appearance of the package.
[0003] The horizontal sealing device of prior art vertical packaging machine is usually composed of a pair of relative motion heating clamps, the sealing and cutting of bag opening are completed by clamping and heating. However, in actual operation, when the horizontal sealing clamp clamps the cylindrical film, the material of the film will naturally accumulate to the center of extrusion under the extrusion in the horizontal direction. At the same time, due to the filled material below, the bag is full, and the cylindrical film above the unsealed opening lacks effective radial constraint, and irregular wrinkles are easily generated in the sealing area when it is pressed. These wrinkles will cause the upper and lower two layers of film to be unable to completely adhere locally during heat sealing, thereby causing sealing to be not tight, sealing strength to be insufficient, causing product leakage or deterioration, and other quality problems, which seriously affect the packaging yield and reliability. In view of this, we propose a vertical automatic filling packaging machine. SUMMARY
[0004] The utility model aims at overcoming the insufficient of prior art, adapting to the actual need, provide a kind of vertical automatic filling packaging machine, to solve the technical problem of current horizontal sealing process due to film wrinkle and cause sealing to be not tight, packaging yield is low.
[0005] To solve the above technical problems, the utility model provides the following technical scheme: a kind of vertical automatic filling packaging machine, including vertical packaging machine rack, the front of vertical packaging machine rack is provided with horizontal sealing mechanism, two groups of horizontal sealing mechanism inside are provided with the flattening mechanism for the film is stretched before horizontal sealing operation, the horizontal sealing mechanism includes first horizontal sealing frame and second horizontal sealing frame, the first horizontal sealing frame and second horizontal sealing frame inside are respectively provided with the first horizontal sealing clamp and second horizontal sealing clamp that mutually cooperate, two groups of flattening mechanism all include rotating roller, the rotating roller can rotate respectively first horizontal sealing frame and second horizontal sealing frame top are provided, the outside axial center position of rotating roller is provided with guide ring, the two sides of guide ring are symmetrically provided with the first helical strip and second helical strip of the first helical strip and second helical strip of the opposite screw direction and the pitch gradually increasing from inside to outside.
[0006] Preferably, the transverse sealing mechanism further comprises a mounting frame fixedly installed on the front of the vertical packaging machine rack, a guide rod fixedly installed inside the mounting frame, a sliding frame slidingly installed on the outside of the guide rod, a first connecting rod rotatably installed on the outside of the sliding frame, a second connecting rod rotatably installed on the outside of the first connecting rod, a third connecting rod rotatably installed on the outside of the second connecting rod, an electric push rod fixedly installed inside the mounting frame, a first transverse sealing frame fixedly installed on the output end of the electric push rod, the first transverse sealing frame slidingly installed on the outside of the guide rod, the first transverse sealing frame rotatably installed on the outside of the third connecting rod away from the second connecting rod, a limiting telescopic rod arranged between the second transverse sealing frame and the sliding frame, and a spring fixedly installed between the second transverse sealing frame and the sliding frame, and the spring is sleeved on the outside of the guide rod.
[0007] Preferably, the flattening mechanism further comprises a fixed frame connected with the first transverse sealing frame and the second transverse sealing frame, respectively, a rotating roller rotatably installed inside the fixed frame, a gear fixedly installed on the end of the rotating roller, a fixed plate fixedly installed on the outside of the guide rod, and a rack meshing with the gear fixedly installed on the outside of the fixed plate.
[0008] Preferably, the first transverse sealing frame and the second transverse sealing frame are arranged on the outside of the guide rod.
[0009] Preferably, the second connecting rod is rotatably installed with the inside of the mounting frame through an axis.
[0010] Preferably, the second transverse sealing clamp is internally integrated with a cutter, the first transverse sealing clamp is provided with a avoiding groove at the position of the cutter, and the second transverse sealing clamp and the first transverse sealing clamp are internally provided with a heater.
[0011] Preferably, the outside of the guide ring is provided with a silica gel ring.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1、The rotating power of the rotating roller is completely derived from the opening and closing movement of the transverse sealing mechanism, the flattening action is synchronous with the transverse sealing action, the guide ring at the axial center position of the rotating roller first contacts the center of the film, the precise centering and initial positioning of the film are realized, the first spiral strip and the second spiral strip arranged symmetrically and having opposite spiral directions generate a scraping force from the center to the two sides during the rotation of the rotating roller, the potential wrinkles of the sealing area are mechanically pushed out and flattened, the film is ensured to be in a flat state before being heat-sealed, and the problems of loose sealing and low packaging yield caused by film wrinkles during the transverse sealing process are solved.
[0014] 2、The utility model discloses still through the first helical strip and the second helical strip of the gradually increasing of the screw pitch from the guide ring to the rotating roller both ends, the screw pitch is smaller near the central position, can be more accurate effect in the initial wrinkle part, with the push to both sides, the screw pitch increases and makes the outward thrust gradually strengthens, can more powerfully handle those distance center farther, relatively more stubborn wrinkle, further improve the processing effect of the film wrinkle, let the flatness of film be higher, ensure that the upper and lower two layers film of the sealing place can be closely, completely adhere, strengthen the quality of heat sealing, maximumly avoid the poor sealing condition of the wrinkle residual, further strengthen the sealing property of package. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is appearance structure schematic diagram of the utility model;
[0016] Figure 2 It is appearance structure schematic diagram of the utility model's horizontal sealing mechanism and the flattening mechanism;
[0017] Figure 3 It is appearance structure schematic diagram of the utility model's horizontal sealing mechanism;
[0018] Figure 4 It is appearance structure schematic diagram of the utility model's horizontal sealing mechanism;
[0019] Figure 5 It is appearance structure schematic diagram of the utility model's flattening mechanism structure;
[0020] Figure 6 It is appearance structure schematic diagram of the utility model's flattening mechanism top structure;
[0021] Figure 7 It is appearance schematic diagram of the utility model's first silica gel strip and relative structure.
[0022] Mark explanation in drawing: 1, vertical packaging machine frame; 2, material filling device; 3, film roll support device; 4, longitudinal sealing device; 5, horizontal sealing mechanism; 51, mounting frame; 511, guide rod; 52, sliding frame; 521, first connecting rod; 522, second connecting rod; 523, third connecting rod; 53, electric push rod; 54, first horizontal sealing frame; 541, first horizontal sealing clamp; 55, second horizontal sealing frame; 551, second horizontal sealing clamp; 552, cutter; 56, spring; 57, limit telescopic rod; 6, flattening mechanism; 61, fixed frame; 62, rotating roller; 621, first silica gel strip; 622, second silica gel strip; 63, guide ring; 64, gear; 65, fixed plate; 66, rack; 7, material receiving plate. DETAILED DESCRIPTION
[0023] Embodiment: as Figures 1 to 7The utility model relates to a vertical automatic filling packaging machine, including vertical packaging machine frame 1, the vertical packaging machine frame 1 front is provided with horizontal sealing mechanism 5, two groups of horizontal sealing mechanism 5 inside are provided with the flattening mechanism 6 for the film before horizontal sealing operation is relaxed, and the flattening mechanism 6 includes first horizontal sealing frame 54 and second horizontal sealing frame 55, and the inside of first horizontal sealing frame 54 and second horizontal sealing frame 55 are provided with the first horizontal sealing pincers 541 and second horizontal sealing pincers 551 that cooperate with each other respectively, and the inside of second horizontal sealing pincers 551 is integrated with cutter 552, and the first horizontal sealing pincers 541 and cutter 552 position place are set up with the avoidance groove, and second horizontal sealing pincers 551 and first horizontal sealing pincers 541 are all built-in heater, and two groups of flattening mechanism 6 all include rotating roller 62, and rotating roller 62 rotatable is set up in the top of first horizontal sealing frame 54 and second horizontal sealing frame 55 respectively, and the outside axial center position of rotating roller 62 is provided with guide ring 63, and the outside of guide ring 63 is provided with silica gel ring, and the both sides of guide ring 63 are provided with the first helical strip 621 and the second helical strip 622 of opposite helical direction and the pitch that increases gradually in order from inside to outside and symmetry, the utility model discloses through the rigid connection of fixed frame 61 with first horizontal sealing frame 54 and second horizontal sealing frame 55, and the rotating power of rotating roller 62 is completely derived from the opening and closing movement of horizontal sealing mechanism 5 itself, and this design makes the flattening action and horizontal sealing action strictly synchronous, and the guide ring 63 of rotating roller 62 axial center position first contacts the film center, realizes the accurate centering and initial positioning of film, and the first helical strip 621 and the second helical strip 622 of opposite helical direction and symmetry arrangement generate the scraping force from center to both sides in the rotating process of rotating roller 62, and the potential wrinkle of sealing area is mechanically pushed out, and is flattened, and it is ensured that the film is in the flat state before being heat sealed, and the problem of low packaging yield due to the film wrinkle during horizontal sealing is solved.
[0024] Further, the transverse sealing mechanism 5 further comprises a mounting frame 51 fixedly installed on the front face of the vertical packaging machine rack 1, a guide rod 511 fixedly installed inside the mounting frame 51, a sliding frame 52 slidingly installed on the outer side of the guide rod 511, a first connecting rod 521 rotatably installed on the outer side of the sliding frame 52, a second connecting rod 522 rotatably installed on the outer side of the first connecting rod 521, a third connecting rod 523 rotatably installed on the outer side of the second connecting rod 522, an electric push rod 53 fixedly installed inside the mounting frame 51, a first transverse sealing frame 54 fixedly installed at the output end of the electric push rod 53, the first transverse sealing frame 54 slidingly installed on the outer side of the guide rod 511, the first transverse sealing frame 54 rotatably installed on the outer side of the third connecting rod 523 away from the second connecting rod 522, the second connecting rod 522 rotatably installed on the inner side of the mounting frame 51 at the center position, a limiting telescopic rod 57 arranged between the second transverse sealing frame 55 and the sliding frame 52, a spring 56 fixedly installed between the second transverse sealing frame 55 and the sliding frame 52, and the spring 56 sleeved on the outer side of the guide rod 511, the first transverse sealing frame 54 and the second transverse sealing frame 55 are both arranged on the outer side of the guide rod 511, and the second transverse sealing frame 55 is driven to move in the centering manner through the linkage action of the first connecting rod 521, the second connecting rod 522 and the third connecting rod 523, so that the first transverse sealing jaws 541 and the second transverse sealing jaws 551 can be precisely closed and contacted, the built-in heater can rapidly melt and seal the film sealing part, and the cutter 552 integrated in the second transverse sealing jaws 551 can complete the separation and cutting of the packaging bag. Such a structural design enables the transverse sealing and cutting actions to be efficiently and accurately completed in cooperation, thereby improving the packaging efficiency and sealing quality.
[0025] Further, the flattening mechanism 6 further comprises a fixed frame 61 connected with the first transverse sealing frame 54 and the second transverse sealing frame 55, a rotating roller 62 rotatably installed on the inner side of the fixed frame 61, a gear 64 fixedly installed at the end of the rotating roller 62, a fixed plate 65 fixedly installed on the outer side of the guide rod 511, a rack 66 fixedly installed on the outer side of the fixed plate 65 and engaged with the gear 64, and the rotating roller 62 is rigidly connected with the first transverse sealing frame 54 and the second transverse sealing frame 55 through the fixed frame 61, and the rotating power of the rotating roller 62 is completely derived from the opening and closing movement of the transverse sealing mechanism 5 itself. Such a design enables the flattening action to be synchronized with the transverse sealing action.
[0026] Working principle: The embodiment provides a vertical automatic filling packaging machine, in use, the material to be packaged is filled into the hopper of the material filling device 2, the packaging film installed on the film roll supporting device 3 is drawn out, passes through the former, and forms a cylinder at the discharge port of the material filling device 2, then the equipment is started, the longitudinal seam of the film is continuously sealed through the longitudinal sealing device 4, and then the film in the cylinder form is pulled to pass through the gap between the first transverse sealing jaws 541 and the second transverse sealing jaws 551 in the open state.
[0027] The electric push rod 53 is started, and the output end of the electric push rod 53 pushes the first transverse sealing frame 54 to slide outside the guide rod 511, the first transverse sealing frame 54 moves to drive the third connecting rod 523 to rotate, the third connecting rod 523 rotates to pull the first connecting rod 521 through the second connecting rod 522, the sliding frame 52 moves inward under the guidance of the guide rod 511, and then the second transverse sealing frame 55 is pushed to move in the center through the spring 56, and finally the second transverse sealing jaw 551 is in closed contact with the first transverse sealing jaw 541, the heater built in the jaw body is instantaneously heated, the film sealing part clamped is fused and sealed, and the cutting knife 552 is used to complete separation and cutting of the last packaging bag at the position.
[0028] When the first transverse sealing frame 54 and the second transverse sealing frame 55 move in the center, the fixed frame 61 located at the top of the first transverse sealing frame 54 and the second transverse sealing frame 55 also moves, at this time, the guide ring 63 arranged outside the rotating roller 62 first contacts the center line of the film bag, and in the process of movement of the fixed frame 61, the gear 64 continuously meshes with the rack 66 to rotate, thereby driving the rotating roller 62 to rotate, and as the rotating roller 62 starts to rotate, the guide ring 63 itself does not generate an axial force, but the first silica gel strip 621 and the second silica gel strip 622 on both sides of the guide ring 63 start to work, because the first silica gel strip 621 and the second silica gel strip 622 are in a spiral shape and are arranged outside the rotating roller 62, and the pitch gradually increases from inside to outside, and since the starting point is firmly locked in the center by the guide ring 63, the wrinkles in the center region are quickly pushed outward, and any slack and potential wrinkles are mechanically pushed outward and flattened, thereby completing the flattening operation of the film bag.
[0029] After the transverse sealing and cutting actions are completed, the electric push rod 53 is retracted, and the first transverse sealing jaw 541 and the second transverse sealing jaw 551 are opened and reset under the action of the linkage mechanism. The finished packaging bag that has completed filling, sealing and cutting falls to the lower receiving plate 7 under the action of gravity, and a complete working cycle is completed.
[0030] The embodiments of the utility model discloses the better embodiment, but is not limited to this, the ordinary skill of the art, the person, easily understands the spirit of the utility model according to the above-mentioned embodiment, and makes different extension and change, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.
Claims
1. A vertical automatic filling and packaging machine comprising a vertical packaging machine frame (1), characterized in that, The front of the vertical packaging machine frame (1) is provided with a transverse sealing mechanism (5), and the transverse sealing mechanism (5) is internally provided with two groups of flattening mechanisms (6) for stretching the film before transverse sealing operation. The transverse sealing mechanism (5) comprises a first transverse sealing frame (54) and a second transverse sealing frame (55), and the inner sides of the first transverse sealing frame (54) and the second transverse sealing frame (55) are respectively provided with a first transverse sealing clamp (541) and a second transverse sealing clamp (551) that cooperate with each other. Both groups of the flattening mechanisms (6) comprise a rotating roller (62), which is rotatably arranged at the top of the first transverse sealing frame (54) and the second transverse sealing frame (55), respectively, and the outer side of the rotating roller (62) is provided with a guide ring (63) at the axial center position, and the two sides of the guide ring (63) are symmetrically provided with a first spiral strip (621) and a second spiral strip (622) with opposite spiral directions and gradually increasing pitches from inside to outside.
2. A vertical form, fill and seal machine according to claim 1, wherein, The transverse sealing mechanism (5) further comprises a mounting frame (51) fixedly installed on the front of the vertical packaging machine frame (1), and the mounting frame (51) is internally fixedly installed with a guide rod (511), the outer side of the guide rod (511) is slidably installed with a sliding frame (52), the outer side of the sliding frame (52) is rotatably installed with a first connecting rod (521), the outer side of the first connecting rod (521) is rotatably installed with a second connecting rod (522), and the outer side of the second connecting rod (522) is rotatably installed with a third connecting rod (523). The mounting frame (51) is internally fixedly installed with an electric push rod (53), and the output end of the electric push rod (53) is fixedly installed with the first transverse sealing frame (54), the first transverse sealing frame (54) is slidably installed on the outer side of the guide rod (511), and the outer side of the first transverse sealing frame (54) is rotatably installed with the end of the third connecting rod (523) away from the second connecting rod (522). A limiting telescopic rod (57) is arranged between the second transverse sealing frame (55) and the sliding frame (52), a spring (56) is fixedly installed between the second transverse sealing frame (55) and the sliding frame (52), and the spring (56) is sleeved on the outer side of the guide rod (511).
3. A vertical form, fill and seal machine according to claim 2, wherein, The flattening mechanism (6) further comprises a fixed frame (61), the fixed frame (61) is connected with the first transverse sealing frame (54) and the second transverse sealing frame (55), respectively, the rotating roller (62) is rotatably installed in the inner side of the fixed frame (61), the end of the rotating roller (62) is fixedly installed with a gear (64), the outer side of the guide rod (511) is fixedly installed with a fixed plate (65), and the outer side of the fixed plate (65) is fixedly installed with a rack (66) engaged with the gear (64).
4. A vertical form, fill and seal machine according to claim 2, wherein, The first transverse sealing frame (54) and the second transverse sealing frame (55) are arranged on the outer side of the guide rod (511).
5. A vertical form, fill and seal machine according to claim 2, wherein, The center position of the second connecting rod (522) is rotatably installed with a rotating shaft on the inner side of the mounting frame (51).
6. A vertical form, fill and seal machine according to claim 1, wherein, The second transverse sealing clamp (551) is internally integrated with a cutter (552), and a avoiding slot is formed at the position of the cutter (552) and the first transverse sealing clamp (541).
7. A vertical form, fill and seal machine according to claim 3, wherein, A silica gel ring is arranged outside the guide ring (63).